Submission #878489

#	Time	Username	Problem	Language	Result	Execution time	Memory
878489		Sandro123	Closing Time (IOI23_closing)	C++17	Compilation error	0 ms	0 KiB

closing

#include <bits/stdc++.h>
#define pb push_back
#define int long long
#define f first
#define s second
using namespace std;
const int P=2*1e6+5;
vector <pair <int,int> > gr[P];
int fix[P],dist[2*P];
int d,nd;
void dfs(int x){
	fix[x]=1;
	for(int i=0; i<(int)gr[x].size(); i++){
		int v=gr[x][i].f;
		if(fix[v]==0){
			nd++; d+=gr[x][i].s; dist[nd]=d; dfs(v); d-=gr[x][i].s;
		}
	}
}
int max_score(int N, int X, int Y, long long K, 
			std::vector<int> U, std::vector<int> V, std::vector<int> W){
    for(int i=0; i<N; i++){
    	fix[i]=0; gr[i].clear();
	}
	for(int i=0; i<2*N; i++){
		dist[i]=0;
	}
	for(int i=1; i<N; i++){
		gr[U[i]].pb({V[i],W[i]});
		gr[V[i]].pb({U[i],W[i]});
	}
	d=0; nd=0; dist[0]=0;
	dfs(X);
	for(int i=0; i<N; i++){
		fix[i]=0;
	}
	nd++; d=0; dist[nd]=0; dfs(Y);
	sort(dist,dist+nd+1);
	int sm=0,ans=0;
	for(int i=0; i<2*N; i++){
		if(sm+dist[i]>K){
			break;
		}
		sm+=dist[i];
		ans++;
	}
	return ans;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccwngSKs.o: in function `main':
grader.cpp:(.text.startup+0x6a1): undefined reference to `max_score(int, int, int, long long, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status