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Submission #954714

# Submission time Handle Problem Language Result Execution time Memory
954714 2024-03-28T12:12:59 Z starchan Schools (IZhO13_school) C++17
95 / 100
 106 ms 15400 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 = 0; i < n; 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 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 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 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 600 KB Output is correct
12 Correct 2 ms 604 KB Output is correct
13 Correct 14 ms 2428 KB Output is correct
14 Correct 24 ms 4444 KB Output is correct
15 Correct 44 ms 7916 KB Output is correct
16 Correct 55 ms 11064 KB Output is correct
17 Correct 79 ms 11860 KB Output is correct
18 Correct 87 ms 12904 KB Output is correct
19 Correct 97 ms 13776 KB Output is correct
20 Correct 106 ms 15400 KB Output is correct