oj.uz

Submission #411249

# Submission time Handle Problem Language Result Execution time Memory
411249 2021-05-24T20:21:29 Z LouayFarah Crocodile's Underground City (IOI11_crocodile) C++14
0 / 100
 1 ms 204 KB 
#include "bits/stdc++.h"
#include "crocodile.h"
using namespace std;
 
#define fi first
#define se second
#define pb push_back
#define mp make_pair
 
void dfs(vector<pair<int, int>> tree[], vector<int> &dist, vector<int> &len, int u, int e)
{
    for(auto v: tree[u])
    {
        if(v.first==e)
            continue;
        dist[v.fi] = dist[u] + v.se;
        len[v.fi] = len[u] + 1;
        dfs(tree, dist, len, v.fi, u);
    }
}
 
int travel_plan(int n, int m, int r[][2], int l[], int k, int p[])
{
    vector<pair<int, int>> tree[n];
    for(int i = 0; i<m; i++)
    {
        tree[r[i][0]].pb(mp(r[i][1], l[i]));
        tree[r[i][1]].pb(mp(r[i][0], l[i]));
    }
 
    vector<int> dist(n, 0);
    vector<int> len(n, 0);
    dfs(tree, dist, len, 0, -1);
 
    int res = 0;
 
    vector<pair<int, int>> v;
    for(int i = 0; i<k; i++)
    {
        v.pb(mp(dist[p[i]], len[p[i]]));
    }
 
    sort(v.begin(), v.end());
 
    for(int i = 0; i<k; i++)
    {
        if(v[i].se<i+1)
        {
            res = v[i].fi;
            break;
        }
    }
 
    return res;
}

Subtask #1
0 / 46.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 43.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -