제출 #1137755

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1137755		SmuggingSpun	Fortune Telling 2 (JOI14_fortune_telling2)	C++20	4 / 100	3 ms	328 KiB

fortune_telling2

#include<bits/stdc++.h>
#define taskname "B"
using namespace std;
typedef long long ll;
int n, k;
namespace sub1{
	const int lim = 1e3 + 5;
	int a[lim][2];
	void solve(){
		for(int i = 1; i <= n; i++){
			cin >> a[i][0] >> a[i][1];
		}
		for(int _ = 0; _ < k; _++){
			int x;
			cin >> x;
			for(int i = 1; i <= n; i++){
				if(a[i][0] <= x){
					swap(a[i][0], a[i][1]);
				}
			}
		}
		ll ans = 0;
		for(int i = 1; i <= n; i++){
			ans += a[i][0];
		}
		cout << ans;
	}
}
namespace sub23{
	void solve(){
		
	}
}
int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	if(fopen(taskname".inp", "r")){
		freopen(taskname".inp", "r", stdin);
	}
	cin >> n >> k;
	if(max(n, k) <= 1000){
		sub1::solve();
	}
	else{
		sub23::solve();
	}
}

컴파일 시 표준 에러 (stderr) 메시지

fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:37:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |                 freopen(taskname".inp", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 0 / 31
• Subtask 3: 0 / 65