Submission #277079

#	Time	Username	Problem	Language	Result	Execution time	Memory
277079		Bill_00	Traffic (IOI10_traffic)	C++14	Compilation error	0 ms	0 KiB

traffic

#include <combo.h>
#include <bits/stdc++.h>
using namespace std;
vector<long long>adj[1000000];
vector<long long>leaf;
long long p[1000000];
long long sum[1000000];
long long dp[1000000],vis[1000000];
void dfs(int j){
	if(adj[j].size()==1 && p[j]==adj[j][0]){
		leaf.push_back(j);
		return;
	}
	for(int i=0;i<adj[j].size();i++){
		if(adj[j][i]!=p[j]){
			p[adj[j][i]]=j;
			dfs(adj[j][i]);
		}
	}
}
void check(int j){
	vis[j]=1;
	for(int i=0;i<adj[j].size();i++){
		if(vis[adj[j][i]]==0 && adj[j][i]!=p[j]){
			dp[adj[j][i]]=dp[j]-(2*sum[adj[j][i]])+sum[0];
			check(adj[j][i]);
		}
	}
	if(j!=0){
		dp[p[j]]=dp[j]+2*sum[j]-sum[0];
		check(p[j]);
	}
}
long long calc(long long j,long long a[]){
	sum[j]=a[j];
	for(int i=0;i<adj[j].size();i++){
		if(adj[j][i]!=p[j]){
			sum[j]+=calc(adj[j][i],a[]);
		}
	}
	return sum[j];
}
int LocateCentre(long long n,long long a[],long long s[],long long d[]){
	memset(vis,0,sizeof(vis));
	for(int i=0;i<n-1;i++){
		adj[s[i]].push_back(d[i]);
		adj[d[i]].push_back(s[i]);
	}
	p[0]=-1;
	dfs(0);
	calc(0,a[]);
	dp[leaf[0]]=0;
	int ans=0,id=0;
	check(leaf[0]);
	for(int i=1;i<n;i++){
		if(dp[i]<ans){
			id=i;
			ans=dp[i];
		}	
	}
	return id;
}

Compilation message (stderr)

traffic.cpp:1:10: fatal error: combo.h: No such file or directory
    1 | #include <combo.h>
      |          ^~~~~~~~~
compilation terminated.