제출 #460756

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
460756		mahmoudbadawy	Art Exhibition (JOI18_art)	C++17	100 / 100	257 ms	20836 KiB

art

#include <bits/stdc++.h>
#define F first
#define S second

using namespace std;

const int N=5e5+5;

pair<long long,long long> arr[N];
int n;

int main()
{
	scanf("%d",&n);
	for(int i=0;i<n;i++)
		scanf("%lld %lld",&arr[i].F,&arr[i].S);
	sort(arr,arr+n);
	long long cur=(1LL<<60),sum=0,ans=0;
	for(int i=0;i<n;i++)
	{
		cur=min(cur,sum-arr[i].F);
		sum+=arr[i].S;
		ans=max(ans,sum-arr[i].F-cur);
	}
	printf("%lld\n",ans);
}

컴파일 시 표준 에러 (stderr) 메시지

art.cpp: In function 'int main()':
art.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |  scanf("%d",&n);
      |  ~~~~~^~~~~~~~~
art.cpp:16:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |   scanf("%lld %lld",&arr[i].F,&arr[i].S);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 50 / 50