Submission #1000767

#	Time	Username	Problem	Language	Result	Execution time	Memory
1000767		nomuluun	Race (IOI11_race)	C++14	Compilation error	0 ms	0 KiB

race

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int N, K;
int H[200005][2];
int L[200005];
bool vis[200005]={0};
vector<pair<int,int>>v[200005];
ll mi=INT_MAX;
void dfs(int q, int dis, int hi){
    int m=v[q].size();
    if(dis==K){
        if(hi<mi)mi=hi;
    }
    for(int i=0; i<m; i++){
        int k=v[q][i].first;
        ll cost=v[q][i].second;
        if(!vis[k]){
            vis[k]=1;
            dfs(k,dis+cost,hi+1);
        }
    }
}
int best_path(int N, int K, int H[200005][2], int L[200005]){
    for(int i=0; i<=N-1; i++){
        for(int i=0; i<N; i++){
            vis[i]=0;
        }
        vis[i]=1;
        dfs(i,0,0); //ehleh oroi distance highway
    }
    if(mi==INT_MAX)return -1;
    else return mi;
}
int main(){
    cin>>N>>K;
    for(int i=0; i<N-1; i++){
        cin>>H[i][0]>>H[i][1]>>L[i];
    }
    for(int i=0; i<N-1; i++){
        v[H[i][0]].push_back({H[i][1], L[i]});
        v[H[i][1]].push_back({H[i][0], L[i]});
    }
    cout<<best_path(N,K,H,L);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccxdFdjb.o: in function `main':
race.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccsiO8F8.o:grader.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status