oj.uz

답안 #292448

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
292448 2020-09-07T01:56:09 Z 7_7_7 Geppetto (COCI15_geppetto) C++17
80 / 80
 404 ms 520 KB 
#include <bits/stdc++.h>

using namespace std;

int n;
int m;
int used[50][50];
int main()
{
    ios_base::sync_with_stdio(false);

    cin >> n >> m;
    for(int i = 1; i <= m; i ++){
        int x, y;
        cin >> x >> y;
        used[x][y] = 1;
        used[y][x] = 1;
    }
    int res = 0;
    for(int i = 0; i < (1 << n); i ++){
        vector<int> t;
        for(int j = 0; j < n; j ++){
            if(i & (1 << j)) t.push_back(j + 1);
        }
        int good = 1;
        for(int j = 0; j < (int)t.size(); j ++){
            for(int k = j + 1; k < (int)t.size(); k ++){
                good &= (used[t[j]][t[k]] == 0);
            }
        }
        res += good;
    }
    cout << res << "\n";
}

Subtask #1
80.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 404 ms 384 KB Output is correct
4 Correct 370 ms 504 KB Output is correct
5 Correct 365 ms 504 KB Output is correct
6 Correct 369 ms 504 KB Output is correct
7 Correct 368 ms 516 KB Output is correct
8 Correct 379 ms 384 KB Output is correct
9 Correct 366 ms 520 KB Output is correct
10 Correct 370 ms 504 KB Output is correct