제출 #1182462

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1182462		boclobanchat	악어의 지하 도시 (IOI11_crocodile)	C++20	컴파일 에러	0 ms	0 KiB

crocodile

#include"crocodile.h"
#include<bits/stdc++.h>
using namespace std;
#define ii pair<long long,long long>
#define fi first
#define se second
const int MAXN=1e5+5;
const long long INF=1e18;
long long dp[MAXN][2];
vector<ii> ds[MAXN];
long long travel_plan(int n,int m,int R[][2],int L[],int k,int P[])
{
	priority_queue< ii,vector<ii>,greater<ii> > pq;
	for(int i=0;i<n;i++) dp[i][0]=dp[i][1]=INF,ds[i].clear();
	for(int i=0;i<m;i++) ds[R[i][0]].push_back({R[i][1],L[i]}),ds[R[i][1]].push_back({R[i][0],L[i]});
	for(int i=0;i<k;i++) dp[P[i]][0]=dp[P[i]][1]=0,pq.push({0,P[i]});
	while(!pq.empty())
	{
		long long a=pq.top().fi,b=pq.top().se;
		pq.pop();
		if(dp[b][1]<a) continue;
		for(auto v:ds[b]) if(dp[v.fi][0]>a+v.se)
		{
			dp[v.fi][1]=dp[v.fi][0],dp[v.fi][0]=a+v.se;
			pq.push({dp[v.fi][1],v.fi});
		}
		else if(dp[v.fi][1]>a+v.se)
		{
			dp[v.fi][1]=a+v.se;
			pq.push({dp[v.fi][1],v.fi});
		}
	}
	return dp[0][1];
}

컴파일 시 표준 에러 (stderr) 메시지

crocodile.cpp:11:11: error: ambiguating new declaration of 'long long int travel_plan(int, int, int (*)[2], int*, int, int*)'
   11 | long long travel_plan(int n,int m,int R[][2],int L[],int k,int P[])
      |           ^~~~~~~~~~~
In file included from crocodile.cpp:1:
crocodile.h:1:5: note: old declaration 'int travel_plan(int, int, int (*)[2], int*, int, int*)'
    1 | int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]);
      |     ^~~~~~~~~~~