제출 #751811

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
751811		vjudge1	Art Exhibition (JOI18_art)	C++14	0 / 100	0 ms	212 KiB

art

#include <bits/stdc++.h>
#define LL long long
using namespace std;
int main()
{
	LL n;
	scanf("%lld",&n);
	pair<LL,LL>arr[n+5];
	for(LL a=1;a<=n;a++)
	{
		LL x,y;
		scanf("%lld %lld",&x,&y);
		arr[a]=make_pair(x,y);
	}
	sort(arr+1,arr+n+1);
	bool tama=1;
	LL awal,tot=0;
	LL maks=0;
	for(LL a=1;a<=n;a++)
	{
		if(a==1)
		{
			tot+=arr[a].second;
			maks=max(maks,tot);
			awal=a;
		}
		else
		{
			tot+=arr[a].second;
			if(tot-abs(arr[a].first-arr[awal].first)<0)
			{
				tot=arr[a].second;
				awal=a;
				maks=max(tot,maks);
			}
			maks=max(tot-(arr[a].first-arr[awal].first),maks);
		}
	//	printf("%lld\n",maks);
	}
	cout<<maks<<endl;
}

컴파일 시 표준 에러 (stderr) 메시지

art.cpp: In function 'int main()':
art.cpp:16:7: warning: unused variable 'tama' [-Wunused-variable]
   16 |  bool tama=1;
      |       ^~~~
art.cpp:7:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |  scanf("%lld",&n);
      |  ~~~~~^~~~~~~~~~~
art.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |   scanf("%lld %lld",&x,&y);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50