Submission #136872

#	Time	Username	Problem	Language	Result	Execution time	Memory
136872		eohomegrownapps	악어의 지하 도시 (IOI11_crocodile)	C++14	46 / 100	257 ms	262148 KiB

crocodile

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

vector<vector<pair<int,int> > > adjlist;
int INF = 100000000;
int dfs(int x, int parent){
	int min1 = INF;
	int min2 = INF;
	if (adjlist[x].size()==1){
		return 0;
	}
	for (auto p : adjlist[x]){
		if (p.second==parent){
			continue;
		}
		int distance = p.first+dfs(p.second,x);
		if (distance<min1){
			min2=min1;
			min1=distance;
		} else if (distance<min2){
			min2=distance;
		}
	}
	return min2;
}

int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]) {
	adjlist.resize(N);
	for (int i = 0; i<M; i++){
		adjlist[R[i][0]].push_back(make_pair(L[i],R[i][1]));
		adjlist[R[i][1]].push_back(make_pair(L[i],R[i][0]));
	}
	return dfs(0,-1);
}

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