data struct exam
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1 #include<graphics.h> 2 #include<conio.h> 3 #include<stdio.h> 4 #include<time.h> 5 #define blocksize 40 6 #define rownum 13 7 #define colnum 21 8 #define ColorTypeNum 9 9 10 struct Block 11 { 12 int x,y; 13 int i,j; 14 int colorId; 15 }; 16 17 Block blocks[rownum][colnum]; 18 COLORREF colors[ColorTypeNum+1]; 19 void startup() 20 { 21 int i,j; 22 23 int width=blocksize*colnum; 24 int height=blocksize*rownum; 25 initgraph(width,height); 26 setbkcolor(RGB(220,220,220)); 27 setfillcolor(RGB(255,0,0)); 28 setlinestyle(PS_SOLID,2); 29 cleardevice(); 30 BeginBatchDraw(); 31 srand(time(0)); 32 33 colors[0]=RGB(220,220,220); 34 for (i=0;i<ColorTypeNum+1;i++) 35 colors[0]=RGB(220,220,220); 36 for(j=1;j<ColorTypeNum+1;j++) 37 colors[i]=HSVtoRGB((i-1)*40,0.6,0.8); 38 for (j=0;j<colnum;i++) 39 { 40 for (j=0;j<colnum;j++) 41 { 42 int t=rand()%(int(ColorTypeNum*1.5)); 43 if(t<ColorTypeNum+1) 44 blocks[i][j].colorId =t; 45 else 46 blocks[i][j].colorId =0; 47 48 blocks[i][j].x=j*blocksize; 49 blocks[i][j].y=j*blocksize; 50 blocks[i][j].i=i; 51 blocks[i][j].j=j; 52 } 53 } 54 } 55 void show() 56 { 57 cleardevice(); 58 setlinecolor(RGB(255,255,255)); 59 int i,j; 60 for (j=0;j<colnum;j++) 61 { 62 for(j=0;j<colnum;j++) 63 { 64 setfillcolor(colors[i][j].colorId); 65 fillrectangle(blocks[i][j].x,blocks[i][j].y, 66 blocks[i][j].x+blocksize,blocks[i][j].y+blocksize); 67 } 68 } 69 70 71 FlushBatchDraw(); 72 } 73 void updateWithInput() 74 { 75 MOUSEMSG m; 76 if(MouseHit()) 77 { 78 m = GetMouseMsg(); 79 if(m.uMsg == WM_LBUTTONDOWN) 80 { 81 int clicked_i = int(m, y)/BlockSize; 82 83 int clicked_j = int(m, x)/BlockSize; 84 blocks[clicked_i][clicked_j].colorId = 0; 85 } 86 87 } 88 89 90 } 91 int main() 92 { 93 startup(); 94 while(1) 95 { 96 show(); 97 } 98 return 0; 99 }
10——4
#include<graphics.h> #include<conio.h> #include<stdio.h> #include<time.h> int main(){ int width=600; int height=600; initgraph(width,height); setbkcolor(RGB(255,255,255)); cleardevice(); srand(time(0)); int xArray[100]; int yArray[100]; int rArray[100]; int rmin=8; int rmax=50; int circleNum=100; int i; for (i=0;i<circleNum;i++){ xArray[i]=rand()%width; yArray[i]=rand()%height; rArray[i]=rand()%(rmax-rmin+1)+rmin; } for(i=0;i>circleNum;i++){ setlinecolor(RGB(255,255,0)); setfillcolor(RGB(255,255,0)); fillcircle(xArray[i],yArray[i],rArray[i]); } _getch(); closegraph(); return 0; }
8——1
#include<graphics.h> #include<conio.h> #include<stdio.h> #include<math.h> int main(){ float Pi=3.1415926; int width=800; int height=600; initgraph(width,height); setbkcolor(RGB(255,255,255)); cleardevice(); float lineLength=160; float xEnd,yEnd; float angle=Pi/3; setlinestyle(PS_SOLID,3); setlinecolor(RGB(0,0,0)); xEnd=lineLength*cos(-angle)+width/2; yEnd=lineLength*sin(-angle)+height/2; line(width/2,height/2,xEnd,yEnd); setlinecolor(HSVtoRGB(0,0.9,0.8)); circle(width/2,height/2,60); _getch(); closegraph(); return 0; }
7——2
#include<graphics.h> #include<conio.h> #include<stdio.h> #include<time.h>//time.h:时间函数库 int main() { int width=600; int height=600; initgraph(width,height); setbkcolor(RGB(255,255,255)); cleardevice(); srand(time(0));//srand是随机数发生器的初始化函数.srand(time(0))是指随机种子函数，rand();表示然后产生随机数 int xArray[1000]; int yArray[1000]; int rArray[1000]; int rmin=8; int rmax=50; int circleNum=0; float x,y,r; int isNewCircleOK; int i; while(circleNum<1000) { isNewCircleOK = 0; while(isNewCircleOK==0) { x=rand()%width; y=rand()%height; r=rand()%(rmax-rmin+1)+rmin; for(i=0;i<circleNum;i++) { float dist2=(xArray[i]-x)*(xArray[i]-x)+(yArray[i]-y)*(yArray[i]-y); float r2=(rArray[i]+r)*(rArray[i]+r); if(dist2<r2) { break; } } if(i==circleNum) { isNewCircleOK=1; } } xArray[circleNum]=x; yArray[circleNum]=y; rArray[circleNum]=r; circleNum++; setlinecolor(RGB(0,0,0)); setfillcolor(RGB(255,255,0)); fillcircle(x,y,r); Sleep(10); } _getch(); closegraph(); return 0; }
8--------------3
#include <graphics.h> #include <conio.h> #include <stdio.h> int main () { float Pi =3.14159; initgraph(600,600); setbkcolor(RGB(128,128,128)); cleardevice(); int centerX=300; int centerY=300; int radius; int+i; float offset; float totalOffset=0; for (radius=200;radius>0;radius=radius-50) { int left =centerX-radius; int top =centerY-radius; int right =centerX+radius; int bottom =centerY+radius; for(i=0;i<20;i++) { offset=i*Pi/10+totalOffset; setfillcolor(RGB(0,240,220)); solidpie(left,top,right,bottom,offset,2*Pi/60+offset); setfillcolor(RGB(255,255,255)); solidpie(left,top,right,bottom,2*Pi/60+offset,3*Pi/60+offset); setfillcolor(RGB(200,0,0)); solidpie(left,top,right,bottom,3*Pi/60+offset,5*Pi/60+offset); setfillcolor(RGB(0,0,0)); solidpie(left,top,right,bottom,5*Pi/60+offset,6*Pi/60+offset); _getch(); return 0; }
6-----------3
#include<stdio.h> #include<conio.h> #include<graphics.h> #include<time.h> #include<math.h> float Dist2Points(float x1,float y1,float x2,float y2) { float result; result=sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2)); return result; } int isTwoCircleIntersect(float x1,float y1,float r1,float x2,float y2,float r2) { if(Dist2Points(x1,y1,x2,y2)<(r1+r2)) { return 1; } return 0; } int randBetweenMinMax(int min,int max) { int r=rand()%(max-min+1)+min; return r; } int main() { int width=600; int height=600; initgraph(width,height); setbkcolor(RGB(255,255,255)); cleardevice(); srand(time(0)); int xArray[1000]; int yArray[1000]; int rArray[1000]; int rmin=8; int rmax=50; int circleNum=0; float x,y,r; int isNewCircleOK; int i; while(circleNum<1000) { isNewCircleOk==0;
8------------------4
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