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#include<graphics.h> #include<conio.h> #include<process.h> void drawboard(); void round(int); void cross(int); void ask(); void turn(int); void swap(); void winner(); int a[10],p,o,i,x,y,m,count; void main() { int gd=0,gm; initgraph(&gd,&gm,""); for(int i=1;i<10;i++) { a[i]=2; } p=0; o=1; count=0; drawboard(); while(1) { ask(); cleardevice(); drawboard(); winner(); swap(); } } void drawboard() { line(0,160,480,160); line(0,320,480,320); line(160,0,160,480); line(320,0,320,480); for(i=1;i<10;i++) { if(a[i]==0) { round(i); } if(a[i]==1) { cross(i); } } } void round(int a) { a=a-1; x=a/3; y=a%3; circle(80+160y,80+160x,60); } void cross(int a) { a=a-1; x=a/3; y=a%3; line(20+160y,20+160x,140+160y,140+160x); line(20+160y,140+160x,140+160y,20+160x); } void ask() { m=getch(); m=m-48; turn(m); } void turn(int i) { if(a[i]==2) { a[i]=p; count=count+1; } else { outtextxy(480,10,"already marked"); ask(); } } void over() { getch(); closegraph(); exit(0); } void winner() { if(a[1]==0&&a[2]==0&&a[3]==0) { line(80,80,400,80); outtextxy(480,10,"O wins"); over(); } else if(a[1]==1&&a[2]==1&&a[3]==1) { line(80,80,400,80); outtextxy(480,10,"X wins"); over(); } else if(a[4]==0&&a[5]==0&&a[6]==0) { line(80,240,400,240); outtextxy(480,10,"O wins"); over(); } else if(a[4]==1&&a[5]==1&&a[6]==1) { line(80,240,400,240); outtextxy(480,10,"X wins"); over(); } else if(a[7]==0&&a[8]==0&&a[9]==0) { line(80,400,400,400); outtextxy(480,10,"O wins"); over(); } else if(a[7]==1&&a[8]==1&&a[9]==1) { line(80,400,400,400); outtextxy(480,10,"X wins"); over(); } else if(a[1]==0&&a[4]==0&&a[7]==0) { line(80,80,80,400); outtextxy(480,10,"O wins"); over(); } else if(a[1]==1&&a[4]==1&&a[7]==1) { line(80,80,80,400); outtextxy(480,10,"X wins"); over(); } else if(a[2]==0&&a[5]==0&&a[8]==0) { line(240,80,240,400); outtextxy(480,10,"O wins"); over(); } else if(a[2]==1&&a[5]==1&&a[8]==1) { line(240,80,240,400); outtextxy(480,10,"X wins"); over(); } else if(a[3]==0&&a[6]==0&&a[9]==0) { line(400,80,400,400); outtextxy(480,10,"O wins"); over(); } else if(a[3]==1&&a[6]==1&&a[9]==1) { line(400,80,400,400); outtextxy(480,10,"X wins"); over(); } else if(a[1]==0&&a[5]==0&&a[9]==0) { line(80,80,400,400); outtextxy(480,10,"O wins"); over(); } else if(a[1]==1&&a[5]==1&&a[9]==1) { line(80,80,400,400); outtextxy(480,10,"X wins"); over(); } else if(a[3]==0&&a[5]==0&&a[7]==0) { line(80,400,400,80); outtextxy(480,10,"O wins"); over(); } else if(a[3]==1&&a[5]==1&&a[7]==1) { line(80,400,400,80); outtextxy(480,10,"X wins"); over(); } else if(count==9) { outtextxy(480,10,"Draw"); over(); } } void swap() { p=p+o; o=p-o; p=p-o; }