Submission #672599

#	Time	Username	Problem	Language	Result	Execution time	Memory
672599		Hacv16	Dreaming (IOI13_dreaming)	C++17	0 / 100	58 ms	52300 KiB

dreaming

#include<bits/stdc++.h>
#include"dreaming.h"
using namespace std;

const int MAX = 2e6 + 15;
const int INF = 0x3f3f3f3f;

#define fr first
#define sc second

bool seen[MAX];
vector<pair<int, int>> adj[MAX];

void dfs(int u){
	seen[u] = true;

	for(auto e : adj[u]){
		int v = e.fr;
		if(!seen[v]) dfs(v); 
	}
}	

int travelTime(int n, int m, int L, int A[], int B[], int T[]){
	int ret = 0, comp = 0;

	for(int i = 0; i < m; i++){
		int u = A[i], v = B[i], w = T[i];
		adj[u].push_back({v, w});
		adj[v].push_back({u, w});

		ret += w;
	}

	for(int i = 0; i < n; i++){
		if(seen[i]) continue;
		seen[i] = true;	
		comp++;

		dfs(i);
	}
	
	return (comp - 1) * L + ret;
}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 10
• Subtask 3: 0 / 23
• Subtask 4: 0 / 18
• Subtask 5: 0 / 12
• Subtask 6: 0 / 23