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Submission #524579

# Submission time Handle Problem Language Result Execution time Memory
524579 2022-02-09T14:59:35 Z blue Potatoes and fertilizers (LMIO19_bulves) C++17
100 / 100
 316 ms 34468 KB 
#include <iostream>
#include <vector>
#include <set>
using namespace std;

using ll = long long;
using vll = vector<ll>;
#define sz(x) int(x.size())

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	int N;
	cin >> N;

	vll x(1+N);

	ll basicCost = 0;

	x[0] = 0;
	for(int i = 1; i <= N; i++)
	{
		ll a, b;
		cin >> a >> b;
		x[i] = x[i-1] + a - b;
	}

	for(int i = 1; i < N; i++)
	{
		if(x[i] < 0)
		{
			basicCost += 0 - x[i];
			x[i] = 0;
		}

		if(x[i] > x[N])
		{
			basicCost += x[i] - x[N];
			x[i] = x[N];
		}
	}

	ll ans0 = 0;

	multiset<ll> points;

	for(int i = 1; i <= N; i++)
	{
		ans0 += x[i];

		points.insert(x[i]);
		points.insert(x[i]);
		points.erase(points.find(*points.rbegin()));
	}

	ll curr_sl = -N;

	ll answer = basicCost + ans0;

	points.insert(0);

	while(sz(points) > 1)
	{
		ll u = *points.begin();
		points.erase(points.begin());

		ll v = *points.begin();

		answer += (v - u) * curr_sl;

		curr_sl++;
	}

	cout << answer << '\n';
}

Subtask #1
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 448 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 21 ms 3268 KB Output is correct
5 Correct 46 ms 6332 KB Output is correct
6 Correct 141 ms 17340 KB Output is correct
7 Correct 298 ms 34364 KB Output is correct
8 Correct 281 ms 32708 KB Output is correct
9 Correct 276 ms 31852 KB Output is correct
10 Correct 272 ms 29720 KB Output is correct
11 Correct 259 ms 29556 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 448 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 21 ms 3268 KB Output is correct
5 Correct 46 ms 6332 KB Output is correct
6 Correct 141 ms 17340 KB Output is correct
7 Correct 298 ms 34364 KB Output is correct
8 Correct 281 ms 32708 KB Output is correct
9 Correct 276 ms 31852 KB Output is correct
10 Correct 272 ms 29720 KB Output is correct
11 Correct 259 ms 29556 KB Output is correct
12 Correct 60 ms 8828 KB Output is correct
13 Correct 172 ms 20756 KB Output is correct
14 Correct 247 ms 34360 KB Output is correct
15 Correct 289 ms 32880 KB Output is correct
16 Correct 243 ms 31916 KB Output is correct
17 Correct 236 ms 29552 KB Output is correct
18 Correct 2 ms 460 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 448 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 0 ms 312 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 2 ms 452 KB Output is correct
8 Correct 1 ms 448 KB Output is correct
9 Correct 2 ms 460 KB Output is correct
10 Correct 2 ms 460 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 448 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 0 ms 312 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 2 ms 452 KB Output is correct
8 Correct 1 ms 448 KB Output is correct
9 Correct 2 ms 460 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 2 ms 460 KB Output is correct
14 Correct 2 ms 448 KB Output is correct
15 Correct 2 ms 460 KB Output is correct
16 Correct 2 ms 452 KB Output is correct
17 Correct 2 ms 460 KB Output is correct
18 Correct 2 ms 504 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 448 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 0 ms 312 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 2 ms 452 KB Output is correct
8 Correct 1 ms 448 KB Output is correct
9 Correct 2 ms 460 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 21 ms 3268 KB Output is correct
12 Correct 46 ms 6332 KB Output is correct
13 Correct 141 ms 17340 KB Output is correct
14 Correct 298 ms 34364 KB Output is correct
15 Correct 281 ms 32708 KB Output is correct
16 Correct 276 ms 31852 KB Output is correct
17 Correct 272 ms 29720 KB Output is correct
18 Correct 259 ms 29556 KB Output is correct
19 Correct 60 ms 8828 KB Output is correct
20 Correct 172 ms 20756 KB Output is correct
21 Correct 247 ms 34360 KB Output is correct
22 Correct 289 ms 32880 KB Output is correct
23 Correct 243 ms 31916 KB Output is correct
24 Correct 236 ms 29552 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 2 ms 460 KB Output is correct
27 Correct 2 ms 448 KB Output is correct
28 Correct 2 ms 460 KB Output is correct
29 Correct 2 ms 452 KB Output is correct
30 Correct 2 ms 460 KB Output is correct
31 Correct 2 ms 504 KB Output is correct
32 Correct 2 ms 460 KB Output is correct
33 Correct 57 ms 8820 KB Output is correct
34 Correct 143 ms 20688 KB Output is correct
35 Correct 276 ms 34428 KB Output is correct
36 Correct 289 ms 31940 KB Output is correct
37 Correct 302 ms 32796 KB Output is correct
38 Correct 245 ms 34468 KB Output is correct
39 Correct 300 ms 30612 KB Output is correct
40 Correct 200 ms 27880 KB Output is correct
41 Correct 316 ms 29716 KB Output is correct
42 Correct 291 ms 29672 KB Output is correct
43 Correct 274 ms 29632 KB Output is correct
44 Correct 258 ms 29624 KB Output is correct
45 Correct 290 ms 34424 KB Output is correct
46 Correct 220 ms 29940 KB Output is correct
47 Correct 172 ms 24260 KB Output is correct