제출 #99198

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
99198		figter001	Garage (IOI09_garage)	C++14	0 / 100	3 ms	384 KiB

garage

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
const ll oo = 1e18;
const ll mod = 1e9+7;
const int nax = 110;
const int mx = 2010;

ll r[nax],w[mx],at[mx];

int main(){
	#ifndef ONLINE_JUDGE
		freopen("input.txt","r",stdin);
	#endif
	int n,m;
	cin>>n>>m;
	set<int> st;
	for(int i=1;i<=n;i++){
		st.insert(i);
		cin>>r[i];
	}
	for(int i=1;i<=m;i++)
		cin>>w[i];
	ll ans = 0;
	queue<int> q;
	for(int i=1;i<=2*m;i++){
		int t;
		cin>>t;
		if(t > 0){
			q.push(t);
		}else{
			t = -t;
			st.insert(at[t]);
		}
		while(q.size() && st.size()){
			t = q.front();
			q.pop();
			at[t] = *st.begin();
			ans += w[t] * r[at[t]];
			st.erase(st.begin());
		}
	}
	cout << ans << endl;
}

컴파일 시 표준 에러 (stderr) 메시지

garage.cpp: In function 'int main()':
garage.cpp:17:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen("input.txt","r",stdin);
   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100