Life Game-cww

#include<cstdio>
#include<cstring>
#include<iostream>
using namespace std;
const int N=22,M=66;
const int dx[]={-1,0,1,0,-1,-1,1,1};
const int dy[]={0,-1,0,1,-1,1,-1,1};
int g[N][M],gg[N][M],x,y,n=20,m=60;
bool ok[N][M];
char ch;

int main(){
    puts("Welcome");
    for (;scanf("%d%d",&x,&y)==2&&!(x==-1&&y==-1);){
        if (ok[x][y])continue;
        for (int i=0;i<8;i++) g[x+dx[i]][y+dy[i]]++;
        ok[x][y]=1;
    }
    for (int i=1;i<=n;i++){
      for (int j=1;j<=m;j++)
        if (ok[i][j])printf("*");
        else printf("-");
      puts("");
    }
    puts("fuck or not?");
    for (;cin>>ch&&ch!='n';){
        for (int i=1;i<=n;i++) 
          for (int j=1;j<=m;j++)gg[i][j]=g[i][j];
        for (int i=1;i<=n;i++){
          for (int j=1;j<=m;j++){
            if (ok[i][j]&&(gg[i][j]!=2&&gg[i][j]!=3)){
                for (int di=0;di<8;di++) g[i+dx[di]][j+dy[di]]--;
                ok[i][j]=0;
            }
            if ((!ok[i][j])&&gg[i][j]==3){
                for (int di=0;di<8;di++) g[i+dx[di]][j+dy[di]]++;
                ok[i][j]=1;
            }
            if (ok[i][j])printf("*");else printf("-");
          }
          puts("");
        }
        puts("fuck or not?");
    }
    return 0;
}