呵呵

#include<windows.h>
#define GOAWAY gotoxy(30,20);printf("          ");gotoxy(30,20);
#define gotoxy(x,y) SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),(COORD){2*(x),(y)})
#define drawo(x) gotoxy((x)%19,(x)/19);printf("〇")
#define drawx(y) gotoxy((y)%19,(y)/19);printf("×")

using namespace std;

short brd[361],now,*iter,hehe,x,y;

int main(){
    for(now=0;now!=19;++now) {
        printf("                                       ");
        printf("%d\n",(now)%10);
    }
    printf("0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8");
    iter=brd+361;now=hehe=0;
    while(iter!=brd) *--iter=0;
    
    while(1){
        do{ 
            GOAWAY;
              scanf("%d",&x);scanf("%d",&y);
            now=x*19+y;
        }
        while((now>360||hehe>18)||brd[now]);
        drawx(now);brd[now]=1;
        while(x&&brd[y*19+(--x)]==1) ++hehe;x+=hehe;
        while(x!=18&&brd[y*19+(++x)]==1) ++hehe;
        if(hehe>3) break;hehe=0;
        while(y&&brd[(--y)*19+x]==1) ++hehe;now+=hehe;
        while(y!=18&&brd[(++y)*19+x]==1) ++hehe;
        if(hehe>3) break;hehe=0;
        
        do{ 
            GOAWAY;
              scanf("%d",&x);scanf("%d",&y);
            now=19*y+x;
        }
        while((now>360||hehe>18)||brd[now]);
        drawo(now);brd[now]=2;
    }
}