Submission #308536

#	Time	Username	Problem	Language	Result	Execution time	Memory
308536		kylych03	Crocodile's Underground City (IOI11_crocodile)	C++14	46 / 100	188 ms	262148 KiB

crocodile

#include "crocodile.h"
#include <bits/stdc++.h>
//#include "grader.cpp"
using namespace std;
vector <pair <int, int > > g[1002];
int vis[1002], vis1[1001];
int inf =1e9;
int dfs(int v, int p ){
    vector <int> vec;
    if(vis[v])
        return 0;
    for(int i  = 0 ; i<g[v].size() ; i++){
        int to = g[v][i].first;
        if(to==p || vis1[p])
            continue;
        vec.push_back ( dfs(to, v) + g[v][i].second);
    }
    sort(vec.begin(), vec.end());
    vis1[v]=1;

    if(vec.size() > 1)
    return vec[1];


}
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[])
{
    for(int i  = 0 ; i < M ;i++){
        g[R[i][0]].push_back(make_pair (R[i][1], L[i]) );
        g[R[i][1]].push_back( make_pair (R[i][0], L[i]));
    }
    for(int i = 0; i < K; i++)
        vis[P[i]] = 1;
    int x =  dfs(0, -1);
    return x;

}
/*

5 4 3
0 1 2
0 2 3
3 2 1
2 4 4
1 3 4
*/

Compilation message (stderr)

crocodile.cpp: In function 'int dfs(int, int)':
crocodile.cpp:12:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for(int i  = 0 ; i<g[v].size() ; i++){
      |                      ~^~~~~~~~~~~~
crocodile.cpp:9:18: warning: control reaches end of non-void function [-Wreturn-type]
    9 |     vector <int> vec;
      |                  ^~~

• Subtask 1: 46 / 46
• Subtask 2: 0 / 43
• Subtask 3: 0 / 11