oj.uz

Submission #164413

# Submission time Handle Problem Language Result Execution time Memory
164413 2019-11-20T13:38:44 Z tselmegkh Schools (IZhO13_school) C++14
75 / 100
 530 ms 12504 KB 
#include<bits/stdc++.h>
using namespace std;

const int N = 3e5 + 5;
int sum[N][2];

int main(){
	int n, m, s;
	cin >> n >> m >> s;
	
	vector<pair<int, pair<int, int>>> v1;
	for(int i = 0; i < n; i++){
		int a, b;
		cin >> a >> b;
		v1.push_back({a - b, {a, b}});
	}
	sort(v1.rbegin(), v1.rend());

	int tot = 0;
	multiset<int> ms;
	for(int i = 0; i < n; i++){
		ms.insert(v1[i].second.first);
		tot += v1[i].second.first;
		if(ms.size() > m){
			tot -= *ms.begin();
			ms.erase(ms.begin());
		}
		sum[i + 1][0] = tot;
	}
	tot = 0;
	ms.clear();
	for(int i = n - 1; i >= 0; i--){
		ms.insert(v1[i].second.second);
		tot += v1[i].second.second;
		if(ms.size() > s){
			tot -= *ms.begin();
			ms.erase(ms.begin());
		}
		sum[i + 1][1] = tot;
	}
	int ans = 0;
	for(int i = m; i <= n - s; i++){
		ans = max(ans, sum[i][0] + sum[i + 1][1]);
	}
	cout << ans << '\n';
}

Compilation message

school.cpp: In function 'int main()':
school.cpp:24:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(ms.size() > m){
      ~~~~~~~~~~^~~
school.cpp:35:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(ms.size() > s){
      ~~~~~~~~~~^~~

Subtask #1
75.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 6 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 8 ms 632 KB Output is correct
8 Correct 12 ms 632 KB Output is correct
9 Correct 9 ms 632 KB Output is correct
10 Correct 9 ms 632 KB Output is correct
11 Correct 9 ms 632 KB Output is correct
12 Correct 9 ms 632 KB Output is correct
13 Correct 58 ms 2904 KB Output is correct
14 Correct 112 ms 3688 KB Output is correct
15 Correct 199 ms 4808 KB Output is correct
16 Incorrect 320 ms 12160 KB Output isn't correct
17 Incorrect 447 ms 10468 KB Output isn't correct
18 Incorrect 414 ms 10464 KB Output isn't correct
19 Incorrect 456 ms 11364 KB Output isn't correct
20 Incorrect 530 ms 12504 KB Output isn't correct