oj.uz

Submission #542056

# Submission time Handle Problem Language Result Execution time Memory
542056 2022-03-25T09:18:10 Z lunchbox Art Exhibition (JOI18_art) C++17
0 / 100
 0 ms 212 KB 
#include <bits/stdc++.h>
using namespace std;

int main() {
	long long ans, mx;
	int n;
	scanf("%d", &n);
	vector<pair<long long, long long>> a(n);
	for (auto &[x, y] : a)
		scanf("%lld%lld", &x, &y);
	sort(a.begin(), a.end());
	for (int i = 0; i + 1 < n; i++)
		a[i + 1].second += a[i].second;
	mx = 0, ans = -0x3f3f3f3f3f3f3f3f;
	for (int i = 0; i < n; i++) {
		ans = max(ans, a[i].second - a[i].first + mx);
		mx = max(mx, a[i].first - (i == 0 ? 0 : a[i - 1].second));
	}
	printf("%lld\n", ans);
	return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:7:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |  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", &x, &y);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 50.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -