Submission #227785

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
227785	2020-04-28T19:17:42 Z	staniewzki	Rice Hub (IOI11_ricehub)	C++17	100 / 100	22 ms	2560 KB

ricehub

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

#include "ricehub.h"

int besthub(int R, int L, int X[], LL B) {
	vector<LL> sum(R + 1);
	for(int i = 0; i < R; i++)
		sum[i + 1] = sum[i] + X[i];

	auto get = [&](int l, int r) {
		int m = (l + r) / 2;
		return sum[r + 1] - sum[m] - X[m] * LL(r + 1 - m)
			 + X[m] * LL(m - l) - sum[m] + sum[l];
	};

	int p = 0, ans = 0;
	for(int i = 0; i < R; i++)
		while(p < R && get(i, p) <= B)
			ans = max(ans, p++ - i + 1);
	return ans;
}

Subtask #1

17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	5 ms	256 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct

Subtask #2

25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	4 ms	256 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	256 KB	Output is correct
5	Correct	5 ms	256 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	4 ms	256 KB	Output is correct
9	Correct	4 ms	256 KB	Output is correct
10	Correct	4 ms	256 KB	Output is correct
11	Correct	4 ms	256 KB	Output is correct
12	Correct	4 ms	256 KB	Output is correct
13	Correct	4 ms	256 KB	Output is correct
14	Correct	5 ms	256 KB	Output is correct
15	Correct	4 ms	256 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	4 ms	256 KB	Output is correct
18	Correct	4 ms	256 KB	Output is correct
19	Correct	5 ms	256 KB	Output is correct
20	Correct	4 ms	256 KB	Output is correct
21	Correct	4 ms	384 KB	Output is correct
22	Correct	4 ms	384 KB	Output is correct
23	Correct	4 ms	256 KB	Output is correct
24	Correct	5 ms	256 KB	Output is correct
25	Correct	4 ms	256 KB	Output is correct
26	Correct	5 ms	256 KB	Output is correct
27	Correct	4 ms	256 KB	Output is correct
28	Correct	5 ms	256 KB	Output is correct

Subtask #3

26.0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	256 KB	Output is correct
2	Correct	4 ms	256 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	4 ms	256 KB	Output is correct
6	Correct	4 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	4 ms	256 KB	Output is correct
9	Correct	4 ms	384 KB	Output is correct
10	Correct	4 ms	256 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	4 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	4 ms	256 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	256 KB	Output is correct
19	Correct	4 ms	256 KB	Output is correct
20	Correct	4 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct

Subtask #4

32.0 / 32.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	512 KB	Output is correct
2	Correct	7 ms	512 KB	Output is correct
3	Correct	21 ms	1536 KB	Output is correct
4	Correct	19 ms	1536 KB	Output is correct
5	Correct	11 ms	1280 KB	Output is correct
6	Correct	12 ms	1280 KB	Output is correct
7	Correct	17 ms	2304 KB	Output is correct
8	Correct	20 ms	2304 KB	Output is correct
9	Correct	11 ms	1280 KB	Output is correct
10	Correct	11 ms	1280 KB	Output is correct
11	Correct	22 ms	2560 KB	Output is correct
12	Correct	21 ms	2560 KB	Output is correct
13	Correct	13 ms	1280 KB	Output is correct
14	Correct	12 ms	1280 KB	Output is correct
15	Correct	17 ms	1920 KB	Output is correct
16	Correct	17 ms	2048 KB	Output is correct
17	Correct	19 ms	2304 KB	Output is correct
18	Correct	20 ms	2304 KB	Output is correct
19	Correct	20 ms	2432 KB	Output is correct
20	Correct	20 ms	2432 KB	Output is correct