답안 #885114

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
885114 2023-12-09T03:00:46 Z 12345678 Pipes (BOI13_pipes) C++17
67.5926 / 100
114 ms 38484 KB
#include <bits/stdc++.h>

using namespace std;

#define ll long long

const int nx=1e5+5;
int n, m, h[nx], u, v, sz, res[nx], vs[nx], lvl[nx], f;
vector<pair<int, int>> d[nx];

void dfs(int u, int p, int idx)
{
    vs[u]=1; lvl[u]=lvl[p]+1;
    for (auto [v, id]:d[u]) 
    {
        if (v==p) continue;
        if (!vs[v]) dfs(v, u, id);
        else if ((lvl[u]-lvl[v]+1)%2==0) f=1;
    }
    if (idx==-1) return;
    res[idx]=2*h[u];
    h[p]-=h[u];
}

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>m;
    for (int i=1; i<=n; i++) cin>>h[i];
    for (int i=1; i<=m; i++) cin>>u>>v, d[u].push_back({v, i}), d[v].push_back({u, i});
    dfs(1, 1, -1);
    if (m>n||f)
    {
        cout<<0;
        return 0;
    }
    for (int i=1; i<n; i++) cout<<res[i]<<'\n';
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 45 ms 8276 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 2 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2904 KB Output is correct
13 Correct 29 ms 7184 KB Output is correct
14 Correct 36 ms 8016 KB Output is correct
15 Correct 39 ms 8368 KB Output is correct
16 Correct 36 ms 7508 KB Output is correct
17 Correct 37 ms 8448 KB Output is correct
18 Correct 35 ms 8528 KB Output is correct
19 Correct 40 ms 11604 KB Output is correct
20 Correct 1 ms 2652 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 35 ms 8316 KB Output is correct
23 Correct 28 ms 7320 KB Output is correct
24 Correct 35 ms 8532 KB Output is correct
25 Correct 28 ms 7508 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 2652 KB Output isn't correct
2 Incorrect 1 ms 2908 KB Output isn't correct
3 Correct 31 ms 10868 KB Output is correct
4 Correct 35 ms 13796 KB Output is correct
5 Correct 30 ms 7952 KB Output is correct
6 Runtime error 114 ms 38484 KB Execution killed with signal 11
7 Incorrect 1 ms 2648 KB Output isn't correct
8 Incorrect 1 ms 2648 KB Output isn't correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2648 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Incorrect 1 ms 2652 KB Output isn't correct
15 Incorrect 1 ms 2908 KB Output isn't correct
16 Incorrect 1 ms 2652 KB Output isn't correct
17 Correct 1 ms 2904 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 1 ms 2908 KB Output is correct
20 Correct 1 ms 2652 KB Output is correct
21 Correct 1 ms 2908 KB Output is correct
22 Incorrect 1 ms 2908 KB Output isn't correct
23 Incorrect 30 ms 11092 KB Output isn't correct
24 Incorrect 39 ms 12116 KB Output isn't correct
25 Correct 32 ms 10844 KB Output is correct
26 Correct 34 ms 12736 KB Output is correct
27 Correct 32 ms 13148 KB Output is correct
28 Correct 30 ms 7772 KB Output is correct
29 Runtime error 96 ms 34748 KB Execution killed with signal 11
30 Incorrect 42 ms 14676 KB Output isn't correct
31 Incorrect 39 ms 14672 KB Output isn't correct
32 Incorrect 41 ms 9992 KB Output isn't correct
33 Correct 32 ms 11856 KB Output is correct
34 Correct 31 ms 11864 KB Output is correct
35 Correct 33 ms 13392 KB Output is correct
36 Correct 29 ms 7772 KB Output is correct
37 Runtime error 114 ms 38484 KB Execution killed with signal 11
38 Incorrect 39 ms 13648 KB Output isn't correct
39 Incorrect 48 ms 9128 KB Output isn't correct
40 Incorrect 37 ms 11856 KB Output isn't correct
41 Correct 38 ms 14172 KB Output is correct
42 Correct 32 ms 12380 KB Output is correct
43 Correct 32 ms 13912 KB Output is correct
44 Correct 29 ms 7772 KB Output is correct
45 Runtime error 96 ms 35664 KB Execution killed with signal 11
46 Incorrect 54 ms 15552 KB Output isn't correct
47 Incorrect 37 ms 12120 KB Output isn't correct
48 Incorrect 43 ms 14472 KB Output isn't correct
49 Correct 28 ms 8792 KB Output is correct
50 Correct 32 ms 12112 KB Output is correct
51 Correct 30 ms 10076 KB Output is correct
52 Correct 29 ms 9300 KB Output is correct
53 Runtime error 109 ms 34584 KB Execution killed with signal 11
54 Incorrect 38 ms 13136 KB Output isn't correct