Submission #3774252

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Source Code Expand

using namespace std;

using uint = unsigned int;
using ll = long long;
using ull = unsigned long long;
#include <iostream>
#include <string>
#include <cstdio>
#include <algorithm>
#include <vector>
#include <cmath>
#include <climits>
#include <bitset>
#include <array>
#define all(x) (x).begin(),(x).end()

void solve(){

}
string ma[15] = {};
//array<array<bool,10>,10> reached = {};
array<array<bool,10>,10> reached;
int cnt;
//array<int,5> reached = {};

void search(int x, int y){
    if (x < 0 || y < 0 || x >= 10 || y >= 10 || ma[x][y] == 'x') return;
    if (reached[x][y]) return;

    reached[x][y] = true;
    cnt++;
    search(x + 1, y);
    search(x - 1, y);
    search(x, y + 1);
    search(x, y - 1);
}
int main(){
    for (int i = 0; i < 10; i++){
        cin >> ma[i];
    }

    int maxn = 1;
    for (int i = 0; i < 10; i++){
        for (auto& var : ma[i]){
            if (var == 'o'){
                maxn++;
            }
        }
    }

    bool ok = false;
    for (int i = 0; i < 10; i++){
        for (int k = 0; k < 10; k++){
            cnt = 0;
            reached = {};
            bool change = false;
            if (ma[i][k] == 'x'){
                change = true;
                ma[i][k] = 'o';
            }
            search(i,k);
            if (cnt == maxn){
                ok = true;
            }
            if (change){
                ma[i][k] = 'x';
            }
        }
    }
    if (ok) {
        cout << "YES" << endl;
    } else {
        cout << "NO" << endl;
    }
    return 0;
}

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