全WA求diao

#include <bits/stdc++.h>
#define int long long
using namespace std;
int a[31][31],n; 
int l[100];
int o[31]={2};
int p[31]={2};
signed main(){
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            scanf("%d",&a[i][j]);
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            if(a[i][j]==1&&a[i+2][j]!=0&&o[i]==2){
                o[i]=0;
            }
            if(a[i][j]==1&&a[i+2][j]==0&&o[i]==0||a[i][j]==1&&a[i+2][j]==0&&o[i]==2){
                o[i]=1;
                p[i]=1;
                if(a[i][j]==1&&a[i-1][j]==0){
                    p[i]==0;
                }
                if(a[i][j]==1&&p[i]==0){
                    o[i]=0;
                }
            }
            if(o[i]==0&&a[i][j]==0&&a[i-1][j]==1){
                a[i][j]=1;
            }   
            if(a[i][j]==0&&o[i]==0)
                a[i][j]=1;
        }
    }
    for(int i=1;i<=n;i++)for(int j=1;j<=n;j++)if(a[i][j]==0)a[i][j]=2;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            printf("%d",a[i][j]);
        }
        printf("\n");
    }
    return 0;
}