Submission #630402

#	Time	Username	Problem	Language	Result	Execution time	Memory
630402		NintsiChkhaidze	Crocodile's Underground City (IOI11_crocodile)	C++14	46 / 100	129 ms	262144 KiB

crocodile

#include "crocodile.h"
#include <bits/stdc++.h>
using namespace std;
#define s second
#define pb push_back
#define f first
 
const int nn = 100005;
vector <pair<int,int> > v[nn];
int dp[nn];

// int R[nn][4],L[nn],P[nn];

void dfs(int x,int par){
    int mn1 = 1e9,mn2 = 1e9;
    for (auto [to,w]: v[x]){
        if (to == par) continue;
        dfs(to,x);
        int vl = dp[to] + w;
        if (vl < mn1) mn2 = mn1,mn1 = vl;
        else if (vl < mn2) mn2 = vl;
    }

    if (v[x].size() == 1) dp[x] = 0;
    else dp[x] = mn2;
}
    /*int main (){
    int N,M,K;
    cin>>N>>M>>K;
    */
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]){
 
    for (int i = 0; i < M; i++){
        // cin>>R[i][0]>>R[i][1]>>L[i];
        v[R[i][0]].pb({R[i][1],L[i]});
        v[R[i][1]].pb({R[i][0],L[i]});
    }
    
    // for (int i = 0; i < K; i++)
    //     cin>>P[i];

    dfs(0,0);
    return dp[0];
    // cout<<dp[0];
}
 
 

Compilation message (stderr)

crocodile.cpp: In function 'void dfs(int, int)':
crocodile.cpp:16:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   16 |     for (auto [to,w]: v[x]){
      |               ^

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