Submission #1053409

#	Time	Username	Problem	Language	Result	Execution time	Memory
1053409		kachim2	Furniture (JOI20_furniture)	C++17	5 / 100	5076 ms	6356 KiB

furniture

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n, m;
    cin >> n >> m;
    
    vector<vector<int>> inp(n+2, vector<int>(m+2, 0));
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++ ){
        cin >> inp[i][j];
        }
    }
    

    int q;
    cin >> q;


    for(int _ = 0; _ < q; _++){
        int x, y;
        cin >> x >> y;
        vector<vector<bool>> p(n+2, vector<bool>(m+2, 0));
        p[1][1] = 1;
        inp[x][y] = 1;
            for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++ ){
        if(inp[i][j] == 0){
            if(i!=1 || j!=1)
            p[i][j] = p[i-1][j] || p[i][j-1];

        }
        }

    }
        if(p[n][m]) {
            cout << "1\n";
        }else{
           cout << "0\n";
           inp[x][y] = 0; 
        }

    }

}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 95