Submission #330733

#	Time	Username	Problem	Language	Result	Execution time	Memory
330733		M_W	Art Exhibition (JOI18_art)	C++14	0 / 100	1 ms	364 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define ii pair<long long, long long>
ii aw[500500];
long long val[500500];
int main(){
	int N;
	scanf("%d", &N);
	for(int i = 0; i < N; i++)
		scanf("%lld %lld", &aw[i].first, &aw[i].second);
	sort(aw, aw + N);
	val[0] = aw[0].second;
	for(int i = 1; i < N; i++)
		val[i] = aw[i].second - (aw[i].first - aw[i - 1].first);
	long long curmax = 0, maxmax = INT_MIN;
	for(int i = 0; i < N; i++){
		curmax = max(curmax + val[i], 0 * 1ll);
		maxmax = max(maxmax, curmax);
	}
	printf("%lld", maxmax);
}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:8:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    8 |  scanf("%d", &N);
      |  ~~~~~^~~~~~~~~~
art.cpp:10:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   10 |   scanf("%lld %lld", &aw[i].first, &aw[i].second);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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