제출 #782746

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
782746		vjudge1	사이버랜드 (APIO23_cyberland)	C++17	15 / 100	32 ms	6868 KiB

cyberland

#include<bits/stdc++.h>
using namespace std;
#define lalala ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define endl "\n"
#define ll long long
#define pb push_back
#define uwu 100005 
vector<pair<int,int>>adj[uwu];
double solve(int N, int M, int K, int H, vector<int> x, vector<int>y, vector<int> c, vector<int> arr){

	int father[N];
	ll int yol[N];
	for(int i=0;i<N;i++){
		father[i]=-1;
		yol[i]=1000000000000000000;
	}
	for(int i=0;i<M;i++){
		adj[x[i]].pb({y[i],c[i]});
		adj[y[i]].pb({x[i],c[i]});
	}
	priority_queue<tuple<ll int,int,int>> pq;
	pq.push({(ll int)0,0,-1});
	while(pq.size()){
		ll int node,once, deg;
		tie(deg,node,once)=pq.top();deg=-deg;
		pq.pop();
		//cout<<node<<" "<<once<<" "<<" "<<deg<<" "<<endl;
		if(arr[node]==0){
			deg=0;
		}
		if(yol[node]<=deg)continue;
		yol[node]=deg;

		father[node]=once;
		for(auto u:adj[node]){
			ll int kim=u.first, lira=u.second+deg;
			pq.push({-lira,kim,node});
			
		}
	}
	/*for(int i=0;i<N;i++)cout<<yol[i]<<" ";
	cout<<endl;
	for(int i=0;i<N;i++)cout<<father[i]<<" ";
	cout<<endl;*/
	for(int i=0;i<N;i++)adj[i].clear();
	if(yol[H]==1000000000000000000)yol[H]=-1;
	return (1.0)*(double)yol[H];
}

컴파일 시 표준 에러 (stderr) 메시지

cyberland.cpp: In function 'double solve(int, int, int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
cyberland.cpp:11:6: warning: variable 'father' set but not used [-Wunused-but-set-variable]
   11 |  int father[N];
      |      ^~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 8 / 8
• Subtask 3: 0 / 13
• Subtask 4: 0 / 19
• Subtask 5: 7 / 7
• Subtask 6: 0 / 16
• Subtask 7: 0 / 29
• Subtask 8: 0 / 3