oj.uz

Submission #89398

# Submission time Handle Problem Language Result Execution time Memory
89398 2018-12-13T10:32:01 Z Hideo Evacuation plan (IZhO18_plan) C++14
0 / 100
 4000 ms 11352 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 1e5 + 7;
const int INF = 1e9 + 7;

int n, m, q;
int dis[N];

vector < pair < int, int > > g[N];
queue < int > qb;

void dfs (int v, int d){
    dis[v] = min(dis[v], d);
    for (int i = 0; i < g[v].size(); i++){
        if (g[v][i].second + d < dis[g[v][i].first])
            dfs(g[v][i].first, d + g[v][i].second);
    }
}

main(){
    fill (dis, dis + N, INF);
	cin >> n >> m;
	for (int i = 0; i < m; i++){
        int a, b, c;
        cin >> a >> b >> c;
        a--; b--;
        g[a].push_back(make_pair(b, c));
        g[b].push_back(make_pair(a, c));
	}
    int k;
    cin >> k;
    for (int i = 0; i < k; i++){
        int a;
        cin >> a;
        a--;
        qb.push(a);
    }
    while(!qb.empty()){
        int c = qb.front();
        qb.pop();
        dfs(c, 0);
    }
    for (int i = 0; i < n; i++){
        cout << dis[i] << " ";
    }
    int q;
    cin >> q;
    for (int i = 0; i < q; i++){
        int a, b;
        cin >> a >> b;
        a--; b--;
        cout << max(dis[a], dis[b]) << endl;
    }
}

Compilation message

plan.cpp: In function 'void dfs(int, int)':
plan.cpp:15:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < g[v].size(); i++){
                     ~~^~~~~~~~~~~~~
plan.cpp: At global scope:
plan.cpp:21:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 3064 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 3064 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 3064 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4009 ms 11352 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 46.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 3064 KB Output isn't correct
2 Halted 0 ms 0 KB -