Submission #203279

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
203279	2020-02-20T05:04:03 Z	dolphingarlic	Potatoes and fertilizers (LMIO19_bulves)	C++14	100 / 100	189 ms	15336 KB

bulves

#include <bits/stdc++.h>
using namespace std;

long long c[500001], ans = 0;

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n;
	cin >> n;
	for (int i = 1; i <= n; i++) {
		long long a, b;
		cin >> a >> b;
		c[i] = c[i - 1] + a - b;
	}
	priority_queue<long long> pq;
	for (int i = 1; i <= n; i++) {
		if (c[i] > c[n]) {
			ans += c[i] - c[n];
			c[i] = c[n];
		} else if (c[i] < 0) {
			ans -= c[i];
			c[i] = 0;
		}
		pq.push(c[i]); pq.push(c[i]);
		ans += pq.top() - c[i];
		pq.pop();
	}
	cout << ans;
	return 0;
}

Subtask #1

24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	17 ms	1784 KB	Output is correct
5	Correct	23 ms	2932 KB	Output is correct
6	Correct	74 ms	7920 KB	Output is correct
7	Correct	153 ms	15208 KB	Output is correct
8	Correct	123 ms	13424 KB	Output is correct
9	Correct	135 ms	12648 KB	Output is correct
10	Correct	96 ms	10472 KB	Output is correct
11	Correct	107 ms	10472 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	17 ms	1784 KB	Output is correct
5	Correct	23 ms	2932 KB	Output is correct
6	Correct	74 ms	7920 KB	Output is correct
7	Correct	153 ms	15208 KB	Output is correct
8	Correct	123 ms	13424 KB	Output is correct
9	Correct	135 ms	12648 KB	Output is correct
10	Correct	96 ms	10472 KB	Output is correct
11	Correct	107 ms	10472 KB	Output is correct
12	Correct	42 ms	4208 KB	Output is correct
13	Correct	100 ms	10984 KB	Output is correct
14	Correct	160 ms	15196 KB	Output is correct
15	Correct	124 ms	13544 KB	Output is correct
16	Correct	123 ms	12776 KB	Output is correct
17	Correct	98 ms	10472 KB	Output is correct
18	Correct	6 ms	504 KB	Output is correct

Subtask #3

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	248 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	6 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	6 ms	504 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	6 ms	504 KB	Output is correct

Subtask #4

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	248 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	6 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	6 ms	504 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	6 ms	376 KB	Output is correct
12	Correct	6 ms	504 KB	Output is correct
13	Correct	6 ms	504 KB	Output is correct
14	Correct	6 ms	504 KB	Output is correct
15	Correct	5 ms	504 KB	Output is correct
16	Correct	5 ms	380 KB	Output is correct
17	Correct	6 ms	504 KB	Output is correct
18	Correct	6 ms	504 KB	Output is correct

Subtask #5

36.0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	248 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	6 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	6 ms	504 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	17 ms	1784 KB	Output is correct
12	Correct	23 ms	2932 KB	Output is correct
13	Correct	74 ms	7920 KB	Output is correct
14	Correct	153 ms	15208 KB	Output is correct
15	Correct	123 ms	13424 KB	Output is correct
16	Correct	135 ms	12648 KB	Output is correct
17	Correct	96 ms	10472 KB	Output is correct
18	Correct	107 ms	10472 KB	Output is correct
19	Correct	42 ms	4208 KB	Output is correct
20	Correct	100 ms	10984 KB	Output is correct
21	Correct	160 ms	15196 KB	Output is correct
22	Correct	124 ms	13544 KB	Output is correct
23	Correct	123 ms	12776 KB	Output is correct
24	Correct	98 ms	10472 KB	Output is correct
25	Correct	6 ms	376 KB	Output is correct
26	Correct	6 ms	504 KB	Output is correct
27	Correct	6 ms	504 KB	Output is correct
28	Correct	6 ms	504 KB	Output is correct
29	Correct	5 ms	504 KB	Output is correct
30	Correct	5 ms	380 KB	Output is correct
31	Correct	6 ms	504 KB	Output is correct
32	Correct	59 ms	4364 KB	Output is correct
33	Correct	120 ms	10988 KB	Output is correct
34	Correct	189 ms	15336 KB	Output is correct
35	Correct	168 ms	12904 KB	Output is correct
36	Correct	151 ms	13416 KB	Output is correct
37	Correct	184 ms	15208 KB	Output is correct
38	Correct	112 ms	11372 KB	Output is correct
39	Correct	128 ms	10984 KB	Output is correct
40	Correct	103 ms	10472 KB	Output is correct
41	Correct	105 ms	10476 KB	Output is correct
42	Correct	104 ms	10476 KB	Output is correct
43	Correct	111 ms	10488 KB	Output is correct
44	Correct	158 ms	15208 KB	Output is correct
45	Correct	136 ms	10984 KB	Output is correct
46	Correct	110 ms	10344 KB	Output is correct
47	Correct	6 ms	504 KB	Output is correct