oj.uz

답안 #229386

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
229386 2020-05-04T11:04:15 Z kshitij_sodani 악어의 지하 도시 (IOI11_crocodile) C++17
0 / 100
 5 ms 384 KB 
#include <bits/stdc++.h>
#include <iostream>
using namespace std;
typedef int64_t llo;
#define mp make_pair
#define a first
#define b second
#define pb push_back
#include <crocodile.h>
int travel_plan(int n,int m,int r[][2],int l[],int k,int p[]){
	int vis[n];
	for(int i=0;i<n;i++){
		vis[i]=0;
	}
	for(int i=0;i<k;i++){
		vis[p[i]]=1;
	}
	vector<pair<int,int>> adj[n];
	for(int i=0;i<m;i++){
		adj[r[i][0]].pb({r[i][1],l[i]});
		adj[r[i][1]].pb({r[i][0],l[i]});
	}
	int dist[n];
	int dist2[n];
	for(int i=0;i<n;i++){
		dist[i]=-1;
		dist2[i]=-1;
	}
	priority_queue<pair<int,int>> ac;
	for(int i=0;i<n;i++){
		if(vis[i]==1){
			dist[i]=0;
			dist2[i]=0;
			ac.push({0,i});
		}	
	}

	while(ac.size()){
		pair<int,int> no=ac.top();
		ac.pop();
		no.a=-no.a;
		for(auto j:adj[no.b]){
			int co=no.a+j.b;
			if(co>1000000000){
				continue;
			}
			if(dist[j.a]==-1 or dist[j.a]>=co){
				int acc=dist2[j.a];
				dist2[j.a]=dist[j.a];
				dist[j.a]=co;
				if(dist2[j.a]!=-1 and dist2[j.a]!=acc){
					ac.push({-dist2[j.a],j.a});
				}
			}
			else if(dist2[j.a]==-1 or dist2[j.a]>co){
				dist2[j.a]=co;

				ac.push({-dist2[j.a],j.a});
			}
		}
	}
	if(dist2[0]==-1){
		while(true){
			continue;
		}
	}
	return dist2[0];
}
/*int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int aa[7][2];
	int bb[7];
	int cc[2];
	cc[0]=1;cc[1]=3;
	bb[0]=4;bb[1]=3;bb[2]=2;bb[3]=10;bb[4]=100;
	bb[5]=7;bb[6]=9;
	aa[0][0]=0;aa[0][1]=2;
	aa[1][0]=0;aa[1][1]=3;
	aa[2][0]=3;aa[2][1]=2;
	aa[3][0]=2;aa[3][1]=1;
	aa[4][0]=0;aa[4][1]=1;
	aa[5][0]=0;aa[5][1]=4;
	aa[6][0]=3;aa[6][1]=4;
 
	int aa[4][2];
	int bb[4];
	int cc[3];
	cc[0]=1;cc[1]=3;cc[2]=4;
	bb[0]=2;bb[1]=3;bb[2]=1;bb[3]=4;
	aa[0][0]=0;aa[0][1]=1;
	aa[1][0]=0;aa[1][1]=2;
	aa[2][0]=3;aa[2][1]=2;
	aa[3][0]=2;aa[3][1]=4;
	cout<<travel_plan(5,4,aa,bb,3,cc)<<endl;
 
	return 0;
}*/

Subtask #1
0 / 46.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Incorrect 5 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Incorrect 5 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Incorrect 5 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -