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Submission #954716

# Submission time Handle Problem Language Result Execution time Memory
954716 2024-03-28T12:14:25 Z starchan Schools (IZhO13_school) C++17
95 / 100
 116 ms 15640 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pq priority_queue
#define in pair<int, int>
#define f first
#define s second
#define pb push_back
#define pob pop_back
#define INF (int)1e17
#define MX (int)3e5+5
#define fast() ios_base::sync_with_stdio(false); cin.tie(NULL)
struct ritul
{
	int Limit;
	int sum;
	pq<int> chungus;
	void init(int x)
	{
		Limit = x;
		while(!chungus.empty())
			chungus.pop();
		sum = 0;
		return;
	}
	void push(int x)
	{
		chungus.push(-x);
		sum+=x;
		if(chungus.size() > Limit)
		{
			sum+=chungus.top();
			chungus.pop();
		}
		return;
	}
	int ans()
	{
		return sum;
	}
};
signed main()
{
	fast(); ritul work;
	int n, A, B; cin >> n >> A >> B;
	vector<int> a(n+1), b(n+1), d(n+1, 0), e(n+1, 0); vector<in> c(n+1);
	for(int i = 1; i <= n; i++)
	{
		cin >> a[i] >> b[i];
		c[i] = {b[i]-a[i], i};
	}
	c[0] = {-INF, -INF};
	sort(c.begin(), c.end());
	work.init(A);
	for(int i = 1; i <= n; i++)
	{
		work.push(a[c[i].s]);
		d[i] = work.ans();
	}
	work.init(B);
	for(int i = n; i >= 1; i--)
	{
		work.push(b[c[i].s]);
		e[i] = work.ans();
	}
	int ans = -1;
	for(int i = A; i <= n-B; i++)
		ans = max(ans, d[i]+e[i+1]);
	cout << ans << "\n";
	return 0;
}

Compilation message

school.cpp: In member function 'void ritul::push(long long int)':
school.cpp:30:21: warning: comparison of integer expressions of different signedness: 'std::priority_queue<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   30 |   if(chungus.size() > Limit)
      |      ~~~~~~~~~~~~~~~^~~~~~~

Subtask #1
95.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 0 ms 344 KB Output isn't correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 604 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 12 ms 2524 KB Output is correct
14 Correct 24 ms 4448 KB Output is correct
15 Correct 43 ms 7920 KB Output is correct
16 Correct 56 ms 10960 KB Output is correct
17 Correct 76 ms 11732 KB Output is correct
18 Correct 89 ms 12756 KB Output is correct
19 Correct 92 ms 13780 KB Output is correct
20 Correct 116 ms 15640 KB Output is correct