oj.uz

Submission #253411

# Submission time Handle Problem Language Result Execution time Memory
253411 2020-07-28T03:15:13 Z vioalbert Potatoes and fertilizers (LMIO19_bulves) C++14
100 / 100
 202 ms 19304 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const ll N = 5e5+5, MAX = 3e4+5, ZERO = 3e4, INF = 1e18;
ll n, delta;
ll val[N], pref[N];

void read() {
	cin >> n;
	for(int i = 1; i <= n; i++) {
		ll a, b; cin >> a >> b;
		val[i] = a - b;
	}
}

void solve() {
	pref[0] = 0;
	for(int i = 1; i <= n; i++) {
		pref[i] = pref[i-1] + val[i];
	}
	delta = pref[n];

	ll ans = 0, x;
	priority_queue<ll> pq;
	pq.push(0);
	for(int i = 1; i <= n; i++) {
		x = pref[i];
		if(x < 0) {
			ans += -x;
			x = 0;
		} else if(x > delta) {
			ans += x - delta;
			x = delta;
		}
		pq.push(x);
		pq.push(x);
		ans += pq.top() - x;
		pq.pop();
	}
	cout << ans << '\n';
}

int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	read();
	solve();
	return 0;
}

Subtask #1
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 10 ms 2176 KB Output is correct
5 Correct 20 ms 3708 KB Output is correct
6 Correct 73 ms 9840 KB Output is correct
7 Correct 147 ms 19172 KB Output is correct
8 Correct 122 ms 17260 KB Output is correct
9 Correct 120 ms 16620 KB Output is correct
10 Correct 86 ms 14316 KB Output is correct
11 Correct 96 ms 14316 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 10 ms 2176 KB Output is correct
5 Correct 20 ms 3708 KB Output is correct
6 Correct 73 ms 9840 KB Output is correct
7 Correct 147 ms 19172 KB Output is correct
8 Correct 122 ms 17260 KB Output is correct
9 Correct 120 ms 16620 KB Output is correct
10 Correct 86 ms 14316 KB Output is correct
11 Correct 96 ms 14316 KB Output is correct
12 Correct 39 ms 5108 KB Output is correct
13 Correct 88 ms 13292 KB Output is correct
14 Correct 157 ms 19304 KB Output is correct
15 Correct 123 ms 17260 KB Output is correct
16 Correct 117 ms 16620 KB Output is correct
17 Correct 103 ms 14444 KB Output is correct
18 Correct 1 ms 512 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 1 ms 512 KB Output is correct
10 Correct 1 ms 512 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 512 KB Output is correct
9 Correct 2 ms 512 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 2 ms 536 KB Output is correct
13 Correct 1 ms 512 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 1 ms 512 KB Output is correct
16 Correct 1 ms 512 KB Output is correct
17 Correct 1 ms 512 KB Output is correct
18 Correct 1 ms 512 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 512 KB Output is correct
9 Correct 2 ms 512 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 10 ms 2176 KB Output is correct
12 Correct 20 ms 3708 KB Output is correct
13 Correct 73 ms 9840 KB Output is correct
14 Correct 147 ms 19172 KB Output is correct
15 Correct 122 ms 17260 KB Output is correct
16 Correct 120 ms 16620 KB Output is correct
17 Correct 86 ms 14316 KB Output is correct
18 Correct 96 ms 14316 KB Output is correct
19 Correct 39 ms 5108 KB Output is correct
20 Correct 88 ms 13292 KB Output is correct
21 Correct 157 ms 19304 KB Output is correct
22 Correct 123 ms 17260 KB Output is correct
23 Correct 117 ms 16620 KB Output is correct
24 Correct 103 ms 14444 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 2 ms 536 KB Output is correct
27 Correct 1 ms 512 KB Output is correct
28 Correct 1 ms 512 KB Output is correct
29 Correct 1 ms 512 KB Output is correct
30 Correct 1 ms 512 KB Output is correct
31 Correct 1 ms 512 KB Output is correct
32 Correct 45 ms 5108 KB Output is correct
33 Correct 108 ms 13420 KB Output is correct
34 Correct 178 ms 19176 KB Output is correct
35 Correct 154 ms 16748 KB Output is correct
36 Correct 142 ms 17256 KB Output is correct
37 Correct 197 ms 19212 KB Output is correct
38 Correct 120 ms 15340 KB Output is correct
39 Correct 126 ms 14572 KB Output is correct
40 Correct 102 ms 14468 KB Output is correct
41 Correct 107 ms 14444 KB Output is correct
42 Correct 102 ms 14316 KB Output is correct
43 Correct 103 ms 14316 KB Output is correct
44 Correct 202 ms 19180 KB Output is correct
45 Correct 128 ms 14700 KB Output is correct
46 Correct 104 ms 13308 KB Output is correct
47 Correct 1 ms 512 KB Output is correct