Submission #306717

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Source Code Expand

#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <cmath>
#include <cstring>
#include <algorithm>

using namespace std;

int n;
char s[1005][1005];

int row[1005];
int col[1005];

int main(){
    // freopen("a.out", "w", stdout);

    while(~scanf("%d", &n)){

        bool flag = false;
        for(int i = 1; i <= n; i++){
            scanf("%s", s[i]+1);
          // printf("%s\n", s+1);

        }
        for(int i = 1; i <= n; i++){
            row[i] = 0;
            for(int k = n; k >= 1; k--)
                if(s[i][k] == '.')row[i]++;
                else break;
            if(row[i] == n && i != 1) flag = true;
           // cout << row[i] << ": " <<i << endl;
        }

        for(int i = 1; i <= n; i++){
            col[i] = 0;
            for(int k = n; k >= 1; k--)
                if(s[k][i] == '.')col[i]++;
                else break;
            if(col[i] == n && i != 1) flag = true;
        }




        for(int i = 1; i <= n; i++){
            for(int j = n-col[i] + 1; j <=n; j++)
                if(n-row[j]+1<=i && i != 1 && j != 1){
                    flag = true;
                    //cout << i << " " << j << endl;
                }
        }

        if(!flag)puts("YES");
        else puts("NO");





    }




    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:23:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result