第一篇：簡單易懂的C語言源代碼(供初學(xué)者使用)
#include
#include
#include
#include
#include
#include
#include
#include
textcolor(RED);/* 設(shè)置文件顏色為紅色，可更改 */ clrscr();/* 清屏，使設(shè)置生效 */ printf(“enter radius:”);scanf(“%f”,&r);if(r<0)printf(“Enter Error!n”);else printf(“r=%.2f,c=%.2f,area=%.2fn”,r,2*pi*r,pi*r*r);system(“pause”);/* 暫停，按任一鍵繼續(xù) */
#include
#include
#include #include #include #include #include /* 逆初始置換表IP */ int IP_1_Table[64] = {39,7,47,15,55,23,63,31，38,6,46,14,54,22,62,30，37,5,45,13,53,21,61,29，36,4,44,12,52,20,60,28，35,3,43,11,51,19,59,27，34,2,42,10,50,18,58,26，33,1,41,9,49,17,57,25，32,0,40,8,48,16,56,24}; /* 擴(kuò)充置換表E */ int E_Table[48] = {31, 0, 1, 2, 3, 4，3, 4, 5, 6, 7, 8，7, 8,9,10,11,12，11,12,13,14,15,16，15,16,17,18,19,20，19,20,21,22,23,24，23,24,25,26,27,28，27,28,29,30,31,0}; /* 置換函數(shù)P */ int P_Table[32] = {15,6,19,20,28,11,27,16，0,14,22,25,4,17,30,9，1,7,23,13,31,26,2,8，18,12,29,5,21,10,3,24}; /* S盒 */ int S[8][4][16] =/* S1 */ {{{14,4,13,1,2,15,11,8,3,10,6,12,5,9,0,7}，{0,15,7,4,14,2,13,1,10,6,12,11,9,5,3,8}，{4,1,14,8,13,6,2,11,15,12,9,7,3,10,5,0}，{15,12,8,2,4,9,1,7,5,11,3,14,10,0,6,13}}，/* S2 */ {{15,1,8,14,6,11,3,4,9,7,2,13,12,0,5,10}，{3,13,4,7,15,2,8,14,12,0,1,10,6,9,11,5}，{0,14,7,11,10,4,13,1,5,8,12,6,9,3,2,15}，{13,8,10,1,3,15,4,2,11,6,7,12,0,5,14,9}}，/* S3 */ {{10,0,9,14,6,3,15,5,1,13,12,7,11,4,2,8}，{13,7,0,9,3,4,6,10,2,8,5,14,12,11,15,1}，{13,6,4,9,8,15,3,0,11,1,2,12,5,10,14,7}，{1,10,13,0,6,9,8,7,4,15,14,3,11,5,2,12}}，/* S4 */ {{7,13,14,3,0,6,9,10,1,2,8,5,11,12,4,15}，{13,8,11,5,6,15,0,3,4,7,2,12,1,10,14,9}，{10,6,9,0,12,11,7,13,15,1,3,14,5,2,8,4}，{3,15,0,6,10,1,13,8,9,4,5,11,12,7,2,14}}，/* S5 */ {{2,12,4,1,7,10,11,6,8,5,3,15,13,0,14,9}，{14,11,2,12,4,7,13,1,5,0,15,10,3,9,8,6}，{4,2,1,11,10,13,7,8,15,9,12,5,6,3,0,14}，{11,8,12,7,1,14,2,13,6,15,0,9,10,4,5,3}}，/* S6 */ {{12,1,10,15,9,2,6,8,0,13,3,4,14,7,5,11}，{10,15,4,2,7,12,9,5,6,1,13,14,0,11,3,8}，{9,14,15,5,2,8,12,3,7,0,4,10,1,13,11,6}，{4,3,2,12,9,5,15,10,11,14,1,7,6,0,8,13}}，/* S7 */ {{4,11,2,14,15,0,8,13,3,12,9,7,5,10,6,1}，{13,0,11,7,4,9,1,10,14,3,5,12,2,15,8,6}, {1,4,11,13,12,3,7,14,10,15,6,8,0,5,9,2}，{6,11,13,8,1,4,10,7,9,5,0,15,14,2,3,12}}，/* S8 */ {{13,2,8,4,6,15,11,1,10,9,3,14,5,0,12,7}，{1,15,13,8,10,3,7,4,12,5,6,11,0,14,9,2}，{7,11,4,1,9,12,14,2,0,6,10,13,15,3,5,8}，{2,1,14,7,4,10,8,13,15,12,9,0,3,5,6,11}}}; /* 置換選擇1 */ int PC_1[56] = {56,48,40,32,24,16,8，0,57,49,41,33,25,17，9,1,58,50,42,34,26，18,10,2,59,51,43,35，62,54,46,38,30,22,14，6,61,53,45,37,29,21，13,5,60,52,44,36,28，20,12,4,27,19,11,3}; /* 置換選擇2 */ int PC_2[48] = {13,16,10,23,0,4，2,27,14,5,20,9，22,18,11,3,25,7，15,6,26,19,12,1，40,51,30,36,46,54，29,39,50,44,32,47，43,48,38,55,33,52，45,41,49,35,28,31};//把8X6的數(shù)組變成一個(gè)一維數(shù)組 void change1(int E[8][6],int r[48]){ int i,j;for(i=0;i<8;i++){ for(j=0;j<6;j++) { r[i*6+j] = E[i][j]; } } } //把一維數(shù)組變成8X6的矩陣 void change2(int r[48],int E[8][6]){ int i,j;for(i=0;i<8;i++){ for(j=0;j<6;j++) { E[i][j]= r[i*6+j]; } } } //輸入16進(jìn)制明文 void input(int M[8][8]){ int i,j,k;char c[16];int s[16],d[64],a[16][4]; printf(“請(qǐng)輸入16位16進(jìn)制數(shù)：”);for(i=0;i<16;i++){ scanf(“%c”,&c[i]);} for(i=0;i<16;i++) { if(c[i]>=48&&c[i]<=58) s[i]=c[i]-48; else if(c[i]>='A'&&c[i]<='Z') s[i]=c[i]-55; else if(c[i]>='a'&&c[i]<='z') s[i]=c[i]-87; else { puts(“errorn”); return; } } //把16進(jìn)制數(shù)組c[]轉(zhuǎn)化為二進(jìn)制數(shù)： k=0;while(k<16)//每一位分解為四位，注意輸出順序就可以了 { for(j=3;j>=0;j--) { a[k][j]=s[k]%2; s[k]/=2; } k++;} //把a(bǔ)[16][4]轉(zhuǎn)化成a[8][8]類型數(shù)組 for(k=0;k<16;k++){ for(j=0;j<4;j++) { d[k*4+j] = a[k][j]; } } for(i=0;i<8;i++){ for(j=0;j<8;j++) { M[i][j] = d[i*8+j]; } } /* //打印密文二進(jìn)制數(shù)組 for(i=0;i<8;i++){ for(j=0;j<8;j++) { printf(“%2d”,M[i][j]); } printf(“n”);} */ } /*初始置換*/ void Startedexchange(int MW[8][8],int temp[8][8]){ int i,j,a[64],b[64];for(i=0;i<8;i++){ for(j=0;j<8;j++) a[i*8+j] = MW[i][j];} for(i=0;i<64;i++){ b[i] = a[IP_Table[i]];} for(i=0;i<8;i++){ for(j=0;j<8;j++){ temp[i][j] = b[i*8+j];} } /*for(i=0;i<8;i++){ for(j=0;j<8;j++){ printf(“%2d”,temp[i][j]);} printf(“n”);} */ } /*生成秘鑰*/ void bornkey(int MY[8][8],int n,int key [48]){ int i,j,m;int tem,tem2;int k[64],k1[56];int a[8][7];int c[28],d[28];int list[16]={1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1};for(i=0;i<8;i++){ for(j=0;j<8;j++){ k[i*8+j] = MY[i][j];} } for(i=0;i<8;i++){ for(j=0;j<7;j++){ a[i][j] = k[PC_1[i*7+j]];} } /* for(i=0;i<8;i++){ for(j=0;j<7;j++){ printf(“%d”,a[i][j]);} } printf(“n”);*/ //c0,d0 for(i=0;i<4;i++){ for(j=0;j<7;j++){ c[i*7+j] = a[i][j];} } for(i=4;i<8;i++){ for(j=0;j<7;j++){ d[i*7+j-28] = a[i][j];} } //確定左移位數(shù) m = 0;for(i=0;i tem=c[0]; for(i=0;i<27;i++) { c[i] = c[i+1]; } c[27] = tem; tem2 = d[0]; for(i=0;i<27;i++) { d[i] = d[i+1]; } d[27] = tem2; m--;} /* for(i=0;i<28;i++){ printf(“%d”,d[i]);} printf(“n”);*/ //合并 for(i=0;i<28;i++){ k1[i] = c[i];} for(i=0;i<28;i++){ k1[28+i] = d[i];} //置換選擇2 for(i=0;i<48;i++){ key[i] = k1[PC_2[i]];} } //第一次異或 void firstXOR(int key[48],int R[48],int k2[48]){ int i;for(i=0;i<48;i++){ if(R[i]!=key[i]) { k2[i] = 1; } else k2[i] = 0;} } //S盒壓縮變換 void Schange(int k2[48],int k3[32]){ int i,h,l,a,temp,k,m,j; int b[8][6];int num[4]; change2(k2,b); m=0; //printf(“n”); for(i=0;i<8;i++) { h=2*b[i][0]+b[i][5];l=8*b[i][1]+4*b[i][2]+2*b[i][3]+b[i][4];a = S[i][h][l]; //printf(“%d ”,a);//把a(bǔ)裝換成二進(jìn)制輸出 k=3;while(a!=0){ temp = a%2; a = a/2; num[k] = temp; k--;} while(k>=0){ num[k]=0; k--;} for(j=0;j<4;j++){ k3[m] = num[j]; m++;} } } //置換運(yùn)算P void Pchange(int k3[32],int p[32]){ int i;for(i=0;i<32;i++){ p[i] = k3[P_Table[i]];} } //拓展變換 void extension(int a[32],int b[48]){ int i;for(i=0;i<48;i++){ b[i] = a[E_Table[i]]; } } void feistel(int R[32], int key[48],int p[32]){ int b[48],k2[48],k3[32];extension(R,b);firstXOR(key,b,k2);//key后半部分出現(xiàn)問題 Schange(k2,k3);Pchange(k3,p);} //第二次異或 void SecondXOR(int L[32],int p[32],int R1[32]){ int i;for(i=0;i<32;i++){ if(L[i]!=p[i]) { R1[i] = 1; } else R1[i] = 0;} } /*把明文分成兩部分32+32*/ void divideLR(int temp[8][8],int L[32],int R[32]){ int i,j;for(i=0;i<4;i++){ for(j=0;j<8;j++) { L[i*8+j] = temp[i][j]; } } for(i=0;i<4;i++){ for(j=0;j<8;j++) { R[i*8+j] = temp[i+4][j]; } } } void exchange(int R[32],int L[32]){ int i; for(i=0;i<32;i++) { L[i] = R[i]; } } //逆初始置換 void restartexchange(int L[32],int R[32],int secret[64]){ int a[64];int i;for(i=0;i<32;i++){ a[i] = L[i];} for(i=0;i<32;i++){ a[32+i] = R[i];} for(i=0;i<64;i++){ secret[i] = a[IP_1_Table[i]];} } // 將二進(jìn)制 數(shù)轉(zhuǎn)化為16進(jìn)制 void BtoOX(int a[64], char b [16]){ int i,j,k,n,r;n=0; for(i=0;i<16;i++){ k=8; r=0; for(j=1;j<5;j++) { r+=a[n]*k; k=k/2; n++; } if(r<10) b[i]=r+48; else b[i]=r+55; } } void main(){ int i,j,a;int MW[8][8];//密文 int MY[8][8];//秘鑰 int temp[8][8];//過渡數(shù)組 int L[32];//左邊加密部分 int R[32];//右邊加密部分 int R1[32];int key[48];//生成的秘鑰 int p[32];int secret[64];//密文二進(jìn)制表示 char miwen[16];printf(“請(qǐng)輸入明文：”);input(MW);getchar();Startedexchange(MW,temp);divideLR(temp,L,R); printf(“請(qǐng)輸入秘鑰：”);input(MY);//打印密文二進(jìn)制數(shù)組 a = 1;while(a<=15){ bornkey(MY,a,key);//true feistel(R,key,p);SecondXOR(L,p,R1);exchange(R,L); exchange(R1,R);a++;} //第16次迭代 bornkey(MY,16,key);feistel(R,key,p);SecondXOR(L,p,R1);exchange(R1,L); restartexchange(L,R,secret);BtoOX(secret,miwen);printf(“n”);for(i=0;i<16;i++){ printf(“%c”,miwen[i]);} printf(“n”);} C語言掃雷源代碼.txt如果背叛是一種勇氣，那么接受背叛則需要更大的勇氣。愛情是塊磚，婚姻是座山。磚不在多，有一塊就靈；山不在高，守一生就行。#include /*鼠標(biāo)信息宏定義*/ #define WAITING 0xff00 #define LEFTPRESS 0xff01 #define LEFTCLICK 0xff10 #define LEFTDRAG 0xff19 #define RIGHTPRESS 0xff02 #define RIGHTCLICK 0xff20 #define RIGHTDRAG 0xff2a #define MIDDLEPRESS 0xff04 #define MIDDLECLICK 0xff40 #define MIDDLEDRAG 0xff4c #define MOUSEMOVE 0xff08 struct { int num;/*格子當(dāng)前處于什么狀態(tài),1有雷，0已經(jīng)顯示過數(shù)字或者空白格子*/ int roundnum;/*統(tǒng)計(jì)格子周圍有多少雷*/ int flag;/*右鍵按下顯示紅旗的標(biāo)志,0沒有紅旗標(biāo)志,1有紅旗標(biāo)志*/ }Mine[10][10]; int gameAGAIN=0;/*是否重來的變量*/ int gamePLAY=0;/*是否是第一次玩游戲的標(biāo)志*/ int mineNUM;/*統(tǒng)計(jì)處理過的格子數(shù)*/ char randmineNUM[3];/*顯示數(shù)字的字符串*/ int Keystate;int MouseExist;int MouseButton;int MouseX;int MouseY;int up[16][16],down[16][16],mouse_draw[16][16],pixel_save[16][16]; void MouseMath()/*計(jì)算鼠標(biāo)的樣子*/ {int i,j,jj,k;long UpNum[16]={ 0x3fff,0x1fff,0x0fff,0x07ff, 0x03ff,0x01ff,0x00ff,0x007f, 0x003f,0x00ff,0x01ff,0x10ff, 0x30ff,0xf87f,0xf87f,0xfc3f };long DownNum[16]={ 0x0000,0x7c00,0x6000,0x7000, 0x7800,0x7c00,0x7e00,0x7f00, 0x7f80,0x7e00,0x7c00,0x4600, 0x0600,0x0300,0x0300,0x0180 };for(i=0;i<16;i++){ j=jj=15;while(UpNum[i]!=0){ up[i][j]=UpNum[i]%2;j--;UpNum[i]/=2;} while(DownNum[i]!=0){ down[i][jj--]=DownNum[i]%2;DownNum[i]/=2;} for(k=j;k>=0;k--)up[i][k]=0;for(k=jj;k>=0;k--)down[i][k]=0;for(k=0;k<16;k++)/*四種組合方式*/ { if(up[i][k]==0&&down[i][k]==0)mouse_draw[i][k]=1;else if(up[i][k]==0&&down[i][k]==1)mouse_draw[i][k]=2;else if(up[i][k]==1&&down[i][k]==0)mouse_draw[i][k]=3;else mouse_draw[i][k]=4;} } mouse_draw[1][2]=4;/*特殊點(diǎn)*/ } void Init(void);/*圖形驅(qū)動(dòng)*/ void MouseOn(int,int);/*鼠標(biāo)光標(biāo)顯示*/ void MouseOff(void);/*鼠標(biāo)光標(biāo)隱藏*/ void MouseSetXY(int,int);/*設(shè)置當(dāng)前位置*/ int LeftPress(void);/*左鍵按下*/ int RightPress(void);/*鼠標(biāo)右鍵按下*/ int MiddlePress();void MouseGetXY(void);/*得到當(dāng)前位置*/ int MouseStatus();void Control(void);/*游戲開始,重新,關(guān)閉*/ void GameBegain(void);/*游戲開始畫面*/ void DrawSmile(void);/*畫笑臉*/ void DrawRedflag(int,int);/*顯示紅旗*/ void DrawEmpty(int,int,int,int);/*兩種空格子的顯示*/ void GameOver(void);/*游戲結(jié)束*/ void GameWin(void);/*顯示勝利*/ int MineStatistics(int,int);/*統(tǒng)計(jì)每個(gè)格子周圍的雷數(shù)*/ int ShowWhite(int,int);/*顯示無雷區(qū)的空白部分*/ void GamePlay(void);/*游戲過程*/ void Close(void);/*圖形關(guān)閉*/ void main(void){ Init();MouseMath();//MouseOn(MouseX,MouseY);Control();Close();} void Init(void)/*圖形開始*/ { int gd=DETECT,gm;registerbgidriver(EGAVGA_driver);initgraph(&gd,&gm,“");} void Close(void)/*圖形關(guān)閉*/ { closegraph();} /*鼠標(biāo)光標(biāo)顯示*/ void MouseOn(int x,int y){ int i,j;int color; for(i=0;i<16;i++)/*畫鼠標(biāo)*/ { for(j=0;j<16;j++){ pixel_save[i][j]=getpixel(x+j,y+i);/*保存原來的顏色*/ if(mouse_draw[i][j]==1)putpixel(x+j,y+i,0);else if(mouse_draw[i][j]==2)putpixel(x+j,y+i,15);} } } /*隱藏鼠標(biāo)*/ void MouseOff(){ int i,j,x,y,color;x=MouseX;y=MouseY;for(i=0;i<16;i++)/*原位置異或消去*/ for(j=0;j<16;j++){ if(mouse_draw[i][j]==3||mouse_draw[i][j]==4)continue;color=getpixel(x+j,y+i);putpixel(x+j,y+i,color^color);putpixel(x+j,y+i,pixel_save[i][j]);} } void MouseSetXY(int x,int y)/*設(shè)置當(dāng)前位置*/ { _CX=x;_DX=y;_AX=0x04;geninterrupt(0x33);} int LeftPress(void)/*鼠標(biāo)左鍵按下*/ { _AX=0x03;geninterrupt(0x33);return(_BX&1);} int RightPress(void)/*鼠標(biāo)右鍵按下*/ { _AX=0x03;geninterrupt(0x33);return(_BX&2);} /*是否按下中鍵 返回值同上 */ int MiddlePress(){ _AX=0x03;geninterrupt(0x33);return(_BX&4);} void MouseGetXY(void)/*得到當(dāng)前位置*/ { _AX=0x03;geninterrupt(0x33);MouseX=_CX;MouseY=_DX;} /*鼠標(biāo)按鍵情況,返回0表示只移動(dòng)，返回1表示左右鍵同時(shí)按下，2表示只按了左鍵，3表示只按了右鍵*/ int MouseStatus(){ int x,y;int status;int press=0; int i,j,color;status=0;/*默認(rèn)鼠標(biāo)沒有移動(dòng)*/ x=MouseX;y=MouseY; while(x==MouseX&&y==MouseY&&status==0&&press==0){ if(LeftPress()&&RightPress())press=1;else if(LeftPress())press=2;else if(RightPress())press=3;MouseGetXY();if(MouseX!=x||MouseY!=y)status=1;} if(status)/*移動(dòng)情況才重新顯示鼠標(biāo)*/ { for(i=0;i<16;i++)/*原位置異或消去*/ for(j=0;j<16;j++){ if(mouse_draw[i][j]==3||mouse_draw[i][j]==4)continue;color=getpixel(x+j,y+i);putpixel(x+j,y+i,color^color);putpixel(x+j,y+i,pixel_save[i][j]);} MouseOn(MouseX,MouseY);/*新位置顯示*/ } if(press!=0)/*有按鍵的情況*/ return press;return 0;/*只移動(dòng)的情況*/ } void Control(void)/*游戲開始,重新,關(guān)閉*/ { int gameFLAG=1;/*游戲失敗后判斷是否重新開始的標(biāo)志*/ while(1){ MouseStatus();if(gameFLAG)/*游戲失敗后沒判斷出重新開始或者退出游戲的話就繼續(xù)判斷*/ { GameBegain();/*游戲初始畫面*/ GamePlay();/*具體游戲*/ if(gameAGAIN==1)/*游戲中重新開始*/ { gameAGAIN=0;continue;} } gameFLAG=0;if(LeftPress())/*判斷是否重新開始*/ { if(MouseX>280&&MouseX<300&&MouseY>65&&MouseY<85){ gameFLAG=1;continue;} } if(kbhit())/*判斷是否按鍵退出*/ break;} } void DrawSmile(void)/*畫笑臉*/ { MouseOff();setfillstyle(SOLID_FILL,YELLOW);fillellipse(290,75,10,10);setcolor(YELLOW);setfillstyle(SOLID_FILL,BLACK);/*眼睛*/ fillellipse(285,75,2,2);fillellipse(295,75,2,2);setcolor(BLACK);/*嘴巴*/ bar(287,80,293,81);MouseGetXY();MouseOn(MouseX,MouseY);} void DrawRedflag(int i,int j)/*顯示紅旗*/ { MouseOff();setcolor(7);setfillstyle(SOLID_FILL,RED);bar(198+j*20,95+i*20,198+j*20+5,95+i*20+5);setcolor(BLACK);line(198+j*20,95+i*20,198+j*20,95+i*20+10);MouseGetXY();MouseOn(MouseX,MouseY);} void DrawEmpty(int i,int j,int mode,int color)/*兩種空格子的顯示*/ { MouseOff();setcolor(color);setfillstyle(SOLID_FILL,color);if(mode==0)/*沒有單擊過的大格子*/ bar(200+j*20-8,100+i*20-8,200+j*20+8,100+i*20+8);else if(mode==1)/*單擊過后顯示空白的小格子*/ bar(200+j*20-7,100+i*20-7,200+j*20+7,100+i*20+7);MouseGetXY();MouseOn(MouseX,MouseY);} void GameBegain(void)/*游戲開始畫面*/ { int i,j;cleardevice();if(gamePLAY!=1){ MouseSetXY(290,70);/*鼠標(biāo)一開始的位置,并作為它的初始坐標(biāo)*/ MouseX=290;MouseY=70;} gamePLAY=1;/*下次按重新開始的話鼠標(biāo)不重新初始化*/ mineNUM=0;setfillstyle(SOLID_FILL,7);bar(190,60,390,290);for(i=0;i<10;i++)/*畫格子*/ for(j=0;j<10;j++)DrawEmpty(i,j,0,8);setcolor(7);DrawSmile();/*畫臉*/ randomize();for(i=0;i<10;i++)/*100個(gè)格子隨機(jī)賦值有沒有地雷*/ for(j=0;j<10;j++){ Mine[i][j].num=random(8);/*如果隨機(jī)數(shù)的結(jié)果是1表示這個(gè)格子有地雷*/ if(Mine[i][j].num==1)mineNUM++;/*現(xiàn)有雷數(shù)加1*/ else Mine[i][j].num=2;Mine[i][j].flag=0;/*表示沒紅旗標(biāo)志*/ } sprintf(randmineNUM,”%d“,mineNUM);/*顯示這次總共有多少雷數(shù)*/ setcolor(1);settextstyle(0,0,2);outtextxy(210,70,randmineNUM);mineNUM=100-mineNUM;/*變量取空白格數(shù)量*/ } void GameOver(void)/*游戲結(jié)束畫面*/ { int i,j;setcolor(0);for(i=0;i<10;i++)for(j=0;j<10;j++)if(Mine[i][j].num==1)/*顯示所有的地雷*/ { DrawEmpty(i,j,0,RED);setfillstyle(SOLID_FILL,BLACK);MouseOff();fillellipse(200+j*20,100+i*20,7,7); MouseGetXY();MouseOn(MouseX,MouseY);} } void GameWin(void)/*顯示勝利*/ { setcolor(11);settextstyle(0,0,2);outtextxy(230,30,”YOU WIN!“);} int MineStatistics(int i,int j)/*統(tǒng)計(jì)每個(gè)格子周圍的雷數(shù)*/ { int nNUM=0;if(i==0&&j==0)/*左上角格子的統(tǒng)計(jì)*/ { if(Mine[0][1].num==1)nNUM++;if(Mine[1][0].num==1)nNUM++;if(Mine[1][1].num==1)nNUM++;} else if(i==0&&j==9)/*右上角格子的統(tǒng)計(jì)*/ { if(Mine[0][8].num==1)nNUM++;if(Mine[1][9].num==1)nNUM++;if(Mine[1][8].num==1)nNUM++;} else if(i==9&&j==0)/*左下角格子的統(tǒng)計(jì)*/ { if(Mine[8][0].num==1)nNUM++;if(Mine[9][1].num==1)nNUM++;if(Mine[8][1].num==1)nNUM++;} else if(i==9&&j==9)/*右下角格子的統(tǒng)計(jì)*/ { if(Mine[9][8].num==1)nNUM++;if(Mine[8][9].num==1)nNUM++;if(Mine[8][8].num==1)nNUM++;} else if(j==0)/*左邊第一列格子的統(tǒng)計(jì)*/ { if(Mine[i][j+1].num==1)nNUM++;if(Mine[i+1][j].num==1)nNUM++;if(Mine[i-1][j].num==1)nNUM++;if(Mine[i-1][j+1].num==1)nNUM++;if(Mine[i+1][j+1].num==1)nNUM++;} else if(j==9)/*右邊第一列格子的統(tǒng)計(jì)*/ { if(Mine[i][j-1].num==1)nNUM++;if(Mine[i+1][j].num==1)nNUM++;if(Mine[i-1][j].num==1)nNUM++;if(Mine[i-1][j-1].num==1)nNUM++;if(Mine[i+1][j-1].num==1)nNUM++;} else if(i==0)/*第一行格子的統(tǒng)計(jì)*/ { if(Mine[i+1][j].num==1)nNUM++;if(Mine[i][j-1].num==1)nNUM++;if(Mine[i][j+1].num==1)nNUM++;if(Mine[i+1][j-1].num==1)nNUM++;if(Mine[i+1][j+1].num==1)nNUM++;} else if(i==9)/*最后一行格子的統(tǒng)計(jì)*/ { if(Mine[i-1][j].num==1)nNUM++;if(Mine[i][j-1].num==1)nNUM++;if(Mine[i][j+1].num==1)nNUM++;if(Mine[i-1][j-1].num==1)nNUM++;if(Mine[i-1][j+1].num==1)nNUM++;} else/*普通格子的統(tǒng)計(jì)*/ { if(Mine[i-1][j].num==1)nNUM++;if(Mine[i-1][j+1].num==1)nNUM++;if(Mine[i][j+1].num==1)nNUM++;if(Mine[i+1][j+1].num==1)nNUM++;if(Mine[i+1][j].num==1)nNUM++;if(Mine[i+1][j-1].num==1)nNUM++;if(Mine[i][j-1].num==1)nNUM++;if(Mine[i-1][j-1].num==1)nNUM++;} return(nNUM);/*把格子周圍一共有多少雷數(shù)的統(tǒng)計(jì)結(jié)果返回*/ } int ShowWhite(int i,int j)/*顯示無雷區(qū)的空白部分*/ { if(Mine[i][j].flag==1||Mine[i][j].num==0)/*如果有紅旗或該格處理過就不對(duì)該格進(jìn)行任何判斷*/ return;mineNUM--;/*顯示過數(shù)字或者空格的格子就表示多處理了一個(gè)格子,當(dāng)所有格子都處理過了表示勝利*/ if(Mine[i][j].roundnum==0&&Mine[i][j].num!=1)/*顯示空格*/ { DrawEmpty(i,j,1,7); Mine[i][j].num=0;} else if(Mine[i][j].roundnum!=0)/*輸出雷數(shù)*/ { DrawEmpty(i,j,0,8);sprintf(randmineNUM,”%d“,Mine[i][j].roundnum);setcolor(RED);MouseOff();outtextxy(195+j*20,95+i*20,randmineNUM);MouseGetXY();MouseOn(MouseX,MouseY);Mine[i][j].num=0;/*已經(jīng)輸出雷數(shù)的格子用0表示已經(jīng)用過這個(gè)格子*/ return;} /*8個(gè)方向遞歸顯示所有的空白格子*/ if(i!=0&&Mine[i-1][j].num!=1)ShowWhite(i-1,j);if(i!=0&&j!=9&&Mine[i-1][j+1].num!=1)ShowWhite(i-1,j+1);if(j!=9&&Mine[i][j+1].num!=1)ShowWhite(i,j+1);if(j!=9&&i!=9&&Mine[i+1][j+1].num!=1)ShowWhite(i+1,j+1);if(i!=9&&Mine[i+1][j].num!=1)ShowWhite(i+1,j);if(i!=9&&j!=0&&Mine[i+1][j-1].num!=1)ShowWhite(i+1,j-1);if(j!=0&&Mine[i][j-1].num!=1)ShowWhite(i,j-1);if(i!=0&&j!=0&&Mine[i-1][j-1].num!=1)ShowWhite(i-1,j-1);} void GamePlay(void)/*游戲過程*/ { int i,j,Num;/*Num用來接收統(tǒng)計(jì)函數(shù)返回一個(gè)格子周圍有多少地雷*/ for(i=0;i<10;i++)for(j=0;j<10;j++)Mine[i][j].roundnum=MineStatistics(i,j);/*統(tǒng)計(jì)每個(gè)格子周圍有多少地雷*/ while(!kbhit()){ MouseStatus();if(LeftPress())/*鼠標(biāo)左鍵盤按下*/ { if(MouseX>280&&MouseX<300&&MouseY>65&&MouseY<85)/*重新來*/ { gameAGAIN=1;break;} if(MouseX>190&&MouseX<390&&MouseY>90&&MouseY<290)/*當(dāng)前鼠標(biāo)位置在格子范圍內(nèi)*/ { j=(MouseX-190)/20;/*x坐標(biāo)*/ i=(MouseY-90)/20;/*y坐標(biāo)*/ if(Mine[i][j].flag==1)/*如果格子有紅旗則左鍵無效*/ continue;if(Mine[i][j].num!=0)/*如果格子沒有處理過*/ { if(Mine[i][j].num==1)/*鼠標(biāo)按下的格子是地雷*/ { GameOver();/*游戲失敗*/ break;} else/*鼠標(biāo)按下的格子不是地雷*/ { Num=MineStatistics(i,j);if(Num==0)/*周圍沒地雷就用遞歸算法來顯示空白格子*/ ShowWhite(i,j);else/*按下格子周圍有地雷*/ { MouseOff();sprintf(randmineNUM,”%d",Num);/*輸出當(dāng)前格子周圍的雷數(shù)*/ setcolor(RED);outtextxy(195+j*20,95+i*20,randmineNUM);mineNUM--; MouseGetXY();MouseOn(MouseX,MouseY);} Mine[i][j].num=0;/*點(diǎn)過的格子周圍雷數(shù)的數(shù)字變?yōu)?表示這個(gè)格子已經(jīng)用過*/ if(mineNUM<1)/*勝利了*/ { GameWin();break;} } } } } if(RightPress())/*鼠標(biāo)右鍵鍵盤按下*/ { if(MouseX>190&&MouseX<390&&MouseY>90&&MouseY<290)/*當(dāng)前鼠標(biāo)位置在格子范圍內(nèi)*/ { j=(MouseX-190)/20;/*x坐標(biāo)*/ i=(MouseY-90)/20;/*y坐標(biāo)*/ if(Mine[i][j].flag==0&&Mine[i][j].num!=0)/*本來沒紅旗現(xiàn)在顯示紅旗*/ { DrawRedflag(i,j);Mine[i][j].flag=1;} else if(Mine[i][j].flag==1)/*有紅旗標(biāo)志再按右鍵就紅旗消失*/ { DrawEmpty(i,j,0,8);Mine[i][j].flag=0;} } delay(1000000);delay(1000000);delay(1000000);delay(1000000);delay(1000000);} } } /////////////////////////////////////////////////// // 程序名稱：一束漂亮的花 // 編譯環(huán)境：Visual C++ 6.0 / 2010，EasyX 2011驚蟄版 // 作 者：yangw80 #define PI 3.14159265 // 畫 花朵 void flower(int x, int y, COLORREF c){ int x1, y1, x2, y2;int d = 15;double e;setcolor(c);for(double a = 0;a < 2 * PI;a += PI / 360){ e = d *(1 + sin(a * 5));x1 = int(x + e * cos(a));y1 = int(y + e * sin(a));x2 = int(x + e * cos(a + PI / 5));y2 = int(y + e * sin(a + PI / 5));line(x1, y1, x2, y2);} // 畫 蝴蝶結(jié) void tie(int x, int y, COLORREF c){ int x1, y1, x2, y2;} int d = 80;double e;setcolor(c);for(double a = 0;a < 2 * PI;a += PI / 360){ e = d *(1 + sin(a * 4));x1 = int(x + e * cos(a));y1 = int(y + e * sin(a)/ 2);x2 = int(x + e * cos(a + PI / 9));y2 = int(y + e * sin(a + PI / 9)/ 4.5);line(x1, y1, x2, y2);} // 主函數(shù) void main(){ // 畫花朵 flower(320, 160, RED);flower(200, 120, YELLOW);flower(150, 140, LIGHTRED);flower(430, 176, RGB(255, 127, 0));flower(370, 110, RGB(239, 179, 52));flower(250, 72, RGB(235, 95, 186));initgraph(640, 480); // 畫枝干 setcolor(GREEN);line(189, 372, 180, 400);line(310, 160, 325, 68);line(310, 160, 187, 374);line(150, 140, 189, 374);line(430, 176, 190, 374);line(370, 110, 187, 374);line(250, 72, 189, 372);line(253, 192, 190, 374);line(189, 372, 187, 400);line(189, 372, 182, 400);line(189, 372, 200, 120);} } flower(325, 68, RGB(228, 119, 98));flower(253, 190, RGB(247, 169, 117));// 畫蝴蝶結(jié) tie(195, 354, LIGHTMAGENTA); // 按任意鍵退出 getch();closegraph(); #include //編號(hào)// char name[20]; //起點(diǎn)和終點(diǎn)// char time[5]; //出發(fā)時(shí)間// int price; //車票價(jià)格// int amount; //剩余數(shù)量// struct Node *next;}Node;//創(chuàng)建鏈表并輸入數(shù)據(jù)// struct Node *creat(){ struct Node *head,*r,*s; int i=0; char choice; head=(struct Node *)malloc(sizeof(struct Node));head->next=NULL;r=head;do { s=(struct Node *)malloc(sizeof(struct Node));s->next=NULL;printf(“請(qǐng)輸入第%d種火車票的信息:n”,++i);printf(“請(qǐng)輸入火車的編號(hào):”); scanf(“%d”,&s->num); printf(“起點(diǎn)和終點(diǎn):”);scanf(“%s”,s->name);printf(“出發(fā)時(shí)間:”);scanf(“%s”,s->time);printf(“車票價(jià)格:”);scanf(“%d”,&s->price);printf(“剩余數(shù)量:”);scanf(“%d”,&s->amount); r->next=s; r=s; printf(“Continue?(Y/N)”);scanf(“%s”,&choice);}while(choice=='Y'||choice=='y'); r->next=NULL;return(head);} //將單鏈表中的信息保存到文件1.txt中// void save(struct Node *h){ struct Node *s;FILE *fp; char filename[10]=“1.txt”; fp=fopen(“1.txt”,“wt”);if(fp==NULL){ printf(“n寫文件出錯(cuò)，按任意鍵退出！”);getchar();exit(1);} for(s=h->next;s!=NULL;s=s->next) fprintf(fp,“%d %s %s %d %d n”,s->num,s->name,s->time,s->price,s->amount); getchar();fclose(fp);} // 從文件1.txt中讀取信息并存入單鏈表中// struct Node *read(){ struct Node *head,*r,*s;FILE *fp;char filename[10]=“zl.txt”;fp=fopen(“1.txt”,“rt”);if(fp==NULL){ printf(“讀文件錯(cuò)誤，按任意鍵退出！”);getchar();exit(1);} head=(struct Node *)malloc(sizeof(struct Node));head->next=NULL;r=head;while(!feof(fp)){ s=(struct Node *)malloc(sizeof(struct Node));fscanf(fp,“%d %s %s %d %d”,&s->num,s->name,s->time,&s->price,&s->amount); r->next=s;r=s; } r->next=NULL;fclose(fp); return head;} //將鏈表中的數(shù)據(jù)輸出// void print(struct Node *h){ struct Node *s; printf(“n火車票信息如下:n”); printf(“~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~n”);printf(“編號(hào) 起點(diǎn)和終點(diǎn) 出發(fā)時(shí)間 車票價(jià)格 剩余票數(shù)：n”); for(s=h->next;s->next!=NULL;s=s->next){ printf(“ %d %10s %5s %10d %6dn”,s->num,s->name,s->time,s->price,s->amount);} } //鏈表查詢// struct Node * find(struct Node *h){ int i,j;char s[20];printf(“tt 查詢方法有以下幾種:n”);printf(“tt 1.火車票編號(hào)n”);printf(“tt 2.起點(diǎn)和終點(diǎn)n”);printf(“tt 3.出發(fā)時(shí)間n”);printf(“tt 4.車票價(jià)格n”);printf(“tt 5.剩余票數(shù)n”);printf(“請(qǐng)輸入您要查詢的方法的序號(hào):”);scanf(“%d”,&i);switch(i){ case 1:printf(“請(qǐng)輸入你要查詢火車票的編號(hào):”);scanf(“%d”,&j); while(h->next!=NULL) { h=h->next; if(h->num==j)return h; } return NULL;break;case 2:printf(“請(qǐng)輸入您要查詢火車票的起點(diǎn)和終點(diǎn):”);scanf(“%s”,s);while(h->next!=NULL){ h=h->next;if(strcmp(h->name,s)==0) return h; } return NULL;break;case 3:printf(“請(qǐng)輸入您要查詢火車票的時(shí)間:”); scanf(“%s”,s); while(h->next!=NULL) { h=h->next; if(strcmp(h->time,s)==0) return h; } return NULL; break;case 4:printf(“請(qǐng)輸入你要查詢火車票的價(jià)格 :”);scanf(“%d”,&j); while(h->next!=NULL) { h=h->next; if(h->price==j) return h; } return NULL; break;case 5:printf(“請(qǐng)輸入你要查詢火車票的剩余票數(shù):”);scanf(“%d”,&j); while(h->next!=NULL) { h=h->next; if(h->amount==j) return h; } return NULL; break;} } //修改信息// change(struct Node *h,int k){ int j;struct Node *p;p=find(h);printf(“------------n”);printf(“t 您要修改哪一項(xiàng)？n”);printf(“t 1.火車編號(hào)n”);printf(“t 2.起點(diǎn)和終點(diǎn)n”);printf(“t 3.出發(fā)時(shí)間n”);printf(“t 4.車票價(jià)格n”); printf(“t 5.剩余票數(shù)n”);printf(“t 0.退出系統(tǒng)n”); printf(“------------n”);printf(“請(qǐng)輸入您要修改項(xiàng)的編號(hào):”);scanf(“%d”,&j);switch(j) { case 1: printf(“修改后的火車編號(hào):”); scanf(“%d”,&p->num); break; case 2: printf(“修改后的起點(diǎn)和終點(diǎn):”); scanf(“%s”,p->name); break; case 3: printf(“修改后的出發(fā)時(shí)間:”); scanf(“%s”,p->time); break; case 4: printf(“修改后的車票價(jià)格:”); scanf(“%d”,&p->price); break; case 5: printf(“修改后的剩余票數(shù):”); scanf(“%d”,&p->amount); break; case 0:break;} } //刪除信息// delete(struct Node *h){ struct Node *p; int j; printf(“請(qǐng)輸入您要?jiǎng)h除的火車票的編號(hào):”);scanf(“%d”,&j);p=h->next; if(p==NULL) return 0;while(p!=NULL){ if(p->num==j){ h->next=p->next; free(p); return 1;} h=p;p=p->next; } return 0;} //添加信息// void append(){ struct Node *p; FILE *fp; fp=fopen(“1.txt”,“at+”); if(fp==NULL) { printf(“寫文件出錯(cuò)，按任意鍵返回.n”);getchar();exit(1); } printf(“請(qǐng)輸入要添加的火車票的信息:火車編號(hào)，起點(diǎn)和終點(diǎn)，出發(fā)時(shí)間，車票價(jià)格，剩余票數(shù):n”);scanf(“%d%s%s%d%d”,&p->num,p->name,p->time,&p->price,&p->amount);fprintf(fp,“%d %s %s %d %dn”,p->num,p->name,p->time,p->price,p->amount);getchar();fclose(fp);} //數(shù)據(jù)的統(tǒng)計(jì)// void count(struct Node *h){ struct Node *s;s=h;int i,j,k,n=0;printf(“*****************************************************************************n”); printf(“tt 請(qǐng)選擇您要統(tǒng)計(jì)項(xiàng)目的序號(hào):n”); printf(“tt 1.車票價(jià)格n”); printf(“tt 2.剩余票數(shù)n”);printf(“tt 0.退出界面n”); scanf(“%d”,&i);switch(i) { case 1: printf(“請(qǐng)輸入您要統(tǒng)計(jì)車票的價(jià)格的標(biāo)準(zhǔn):”); scanf(“%d”,&j); printf(“tt 請(qǐng)選擇低于或高于標(biāo)準(zhǔn):n”); printf(“tt 1.價(jià)格低于%d的個(gè)數(shù)n”,j); printf(“tt 2.價(jià)格高于%d的個(gè)數(shù)n”,j); scanf(“%d”,&k); if(k==1) { for(s=h->next;s->next!=NULL;s=s->next) if(s->price n++; printf(“車票價(jià)格低于%d的個(gè)數(shù)有%d個(gè).n”,j,n); } else { for(s=h->next;s->next!=NULL;s=s->next) if(s->price>j) n++; printf(“車票價(jià)格低于%d的個(gè)數(shù)有%d個(gè).n”,j,n); } break; case 2: printf(“請(qǐng)輸入您要統(tǒng)計(jì)剩余票數(shù)的數(shù)量:”); scanf(“%d”,&j); printf(“tt 請(qǐng)選擇低于或高于所輸票數(shù):n”); printf(“tt 1.票數(shù)低于%d的個(gè)數(shù)n”,j); printf(“tt 2.票數(shù)高于%d的個(gè)數(shù)n”,j); scanf(“%d”,&k); if(k==1) { for(s=h->next;s->next!=NULL;s=s->next) if(s->amount n++; printf(“剩余票數(shù)低于%d的個(gè)數(shù)有%d個(gè).n”,j,n); } else { for(s=h->next;s->next!=NULL;s=s->next) if(s->amount>j) n++; printf(“剩余票數(shù)高于%d的個(gè)數(shù)有%d個(gè).n”,j,n); } break; case 0:break; } } //保存用戶和密碼到文件2.txt中// void save_user(){ char file[10]=“2.txt”;FILE *fp;char name[20];char pwd[10];fp=fopen(“2.txt”,“at+”);if(fp==NULL){ printf(“n寫文件出錯(cuò)，按任意鍵退出.n”); getchar();exit(1);} printf(“請(qǐng)輸入用戶名:”); scanf(“%s”,name);printf(“請(qǐng)輸入密碼:”); scanf(“%s”,pwd); fprintf(fp,“%s %sn”,name,pwd); getchar(); fclose(fp); printf(“用戶注冊成功！n”);} //檢驗(yàn)用戶和密碼是否匹配// int check(char *name,char *pwd){ char name1[20];char pwd1[10];FILE *fp;char file[10]=“2.txt”;if((fp=fopen(“2.txt”,“rt”))==NULL){ printf(“讀文件出錯(cuò)，按任意鍵退出！n”); getchar(); exit(1);} while(!feof(fp)){ fscanf(fp,“%s %s”,name1,pwd1); if(strcmp(name1,name)==0&&strcmp(pwd1,pwd)==0) return 1;} return 0;} //數(shù)據(jù)排序// void sort(struct Node *h){ struct Node *s,*p,*m,*n;int t,t1,t2,t3;char s1[20];char s2[10]; printf(“車票價(jià)格由小到大排序如下:n”);for(s=h->next;s->next!=NULL;s=s->next)for(p=s->next;p->next!=NULL;p=p->next) if(s->price>p->price) { t1=s->num;s->num=p->num;p->num=t1; t2=s->price;s->price=p->price;p->price=t2; t3=s->amount;s->amount=p->amount;p->amount=t3; strcpy(s1,s->name);strcpy(s->name,p->name);strcpy(p->name,s1); strcpy(s2,s->time);strcpy(s->time,p->time);strcpy(p->time,s2); } print(h);printf(“nn剩余車票數(shù)量由多到少排序如下:n”);for(s=h->next;s->next!=NULL;s=s->next) for(p=s->next;p->next!=NULL;p=p->next) if(s->amount amount) { t1=s->num;s->num=p->num;p->num=t1; t2=s->price;s->price=p->price;p->price=t2; t3=s->amount;s->amount=p->amount;p->amount=t3; strcpy(s1,s->name);strcpy(s->name,p->name);strcpy(p->name,s1); strcpy(s2,s->time);strcpy(s->time,p->time);strcpy(p->time,s2); } print(h);} void main(){ struct Node *head,*p;int i,j,k;head=(struct Node *)malloc(sizeof(struct Node));head->next=NULL;char name[20];char pwd[10];printf(“n***************歡迎進(jìn)入火車票管理系統(tǒng)******************n”);printf(“tt 1.用戶登錄n”);printf(“tt 2.用戶注冊n”);printf(“tt 0.退出系統(tǒng) n”);printf(“請(qǐng)輸入所選序號(hào):”);scanf(“%d”,&k); switch(k){ case 1: printf(“請(qǐng)輸入用戶名:”); scanf(“%s”,name); printf(“請(qǐng)輸入密碼:”); scanf(“%s”,pwd); if(check(name,pwd)) { printf(“密碼正確.n”); do { printf(“nntt*********************歡迎進(jìn)入火車票管理系統(tǒng)***********************n”); printf(“tt 1.錄入火車票信息tt 2.添加火車票信息n”); printf(“tt 3.修改火車票信息tt 4.刪除火車票信息n”); printf(“tt 5.打印火車票信息tt 6.查詢火車票信息n”); printf(“tt 7.統(tǒng)計(jì)火車票信息tt 8.火車票銷售排行n”); printf(“tt 0.退出系統(tǒng)n”); printf(“請(qǐng)輸入您要進(jìn)入菜單的序號(hào)(0-8)：”); scanf(“%d”,&i); switch(i) { case 1: printf(“請(qǐng)錄入火車票信息nn”); head=creat(); save(head); head=read(); break; case 2: append(); break; case 3: printf(“請(qǐng)輸入您要修改的火車票的編號(hào):”); scanf(“%d”,&j); change(head,j); save(head); break; case 4: head=read(); if(delete(head)) { printf(“已正確刪除！n”); save(head); } else printf(“要?jiǎng)h除的結(jié)點(diǎn)不存在！n”); break; case 5: head=read(); print(head); break; case 6: printf(“請(qǐng)輸入您要查詢火車票的編號(hào)(以0結(jié)束):”); scanf(“%d”,&j); { p=find(head); printf(“編號(hào) 起點(diǎn)和終點(diǎn) 出發(fā)時(shí)間 車票價(jià)格 剩余票數(shù)：n”); printf(“%d %10s %5s %10d %6dn”,p->num,p->name,p->time,p->price,p->amount); printf(“請(qǐng)繼續(xù)輸入序號(hào)(以0結(jié)束):”); scanf(“%d”,&j); } break; case 7: head=read();count(head);break; case 8: sort(head);break; case 0: printf(“************************用!*****************************n”);break; } }while(i!=0); } else printf(“密碼錯(cuò)誤或用戶名不存在.n”); break;case 2:save_user();break;case 0:break;} 謝 謝 使第二篇：DES源代碼C語言實(shí)現(xiàn)(簡潔易懂)
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