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Submission #58333

# Submission time Handle Problem Language Result Execution time Memory
58333 2018-07-17T13:45:43 Z PeppaPig Rice Hub (IOI11_ricehub) C++14
68 / 100
 7 ms 1468 KB 
#include "ricehub.h"
#include <bits/stdc++.h>

using namespace std;

const int N = 5e3 + 5;

long long sum[N];

int besthub(int R, int L, int X[], long long B)
{
	for(int i = 1; i <= R; i++) sum[i] = sum[i - 1] + X[i - 1];
	int res = 0;
	int l = 1, r = R;
	while(l <= r) {
		int mid = (l + r) >> 1;
		int m = mid >> 1;
		long long ret = LLONG_MAX;
		for(int i = 1; i <= R - mid + 1; i++) {
			if(mid == 1) ret = 0;
			if(mid == 2) ret = min(ret, sum[i + 1] - 2 * sum[i] + sum[i - 1]);
			else {
				long long t = sum[i + mid - 1] - sum[i + m] - sum[i + m - 1] + sum[i - 1];
				if(mid & 1) ret = min(ret, t);
				else ret = min(ret, t + X[i + m - 1]);
			}
		}
		if(ret <= B) res = mid, l = mid + 1;
		else r = mid - 1;
	}

	return res;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 468 KB Output is correct
3 Correct 2 ms 492 KB Output is correct
4 Correct 3 ms 492 KB Output is correct
5 Correct 3 ms 492 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 492 KB Output is correct
2 Correct 2 ms 520 KB Output is correct
3 Correct 2 ms 520 KB Output is correct
4 Correct 2 ms 520 KB Output is correct
5 Correct 2 ms 704 KB Output is correct
6 Correct 2 ms 704 KB Output is correct
7 Correct 3 ms 704 KB Output is correct
8 Correct 3 ms 704 KB Output is correct
9 Correct 3 ms 704 KB Output is correct
10 Correct 2 ms 704 KB Output is correct
11 Correct 3 ms 704 KB Output is correct
12 Correct 4 ms 704 KB Output is correct
13 Correct 3 ms 704 KB Output is correct
14 Correct 3 ms 704 KB Output is correct
15 Correct 2 ms 704 KB Output is correct
16 Correct 2 ms 704 KB Output is correct
17 Correct 3 ms 704 KB Output is correct
18 Correct 2 ms 704 KB Output is correct
19 Correct 2 ms 704 KB Output is correct
20 Correct 3 ms 704 KB Output is correct
21 Correct 2 ms 704 KB Output is correct
22 Correct 3 ms 704 KB Output is correct
23 Correct 2 ms 832 KB Output is correct
24 Correct 2 ms 832 KB Output is correct
25 Correct 3 ms 832 KB Output is correct
26 Correct 2 ms 832 KB Output is correct
27 Correct 4 ms 832 KB Output is correct
28 Correct 3 ms 832 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 832 KB Output is correct
2 Correct 3 ms 832 KB Output is correct
3 Correct 2 ms 832 KB Output is correct
4 Correct 3 ms 836 KB Output is correct
5 Correct 3 ms 860 KB Output is correct
6 Correct 2 ms 864 KB Output is correct
7 Correct 2 ms 868 KB Output is correct
8 Correct 2 ms 892 KB Output is correct
9 Correct 3 ms 900 KB Output is correct
10 Correct 3 ms 904 KB Output is correct
11 Correct 3 ms 1036 KB Output is correct
12 Correct 3 ms 1036 KB Output is correct
13 Correct 2 ms 1036 KB Output is correct
14 Correct 2 ms 1036 KB Output is correct
15 Correct 2 ms 1036 KB Output is correct
16 Correct 3 ms 1036 KB Output is correct
17 Correct 3 ms 1104 KB Output is correct
18 Correct 3 ms 1104 KB Output is correct
19 Correct 3 ms 1104 KB Output is correct
20 Correct 3 ms 1104 KB Output is correct
21 Correct 4 ms 1104 KB Output is correct
22 Correct 4 ms 1120 KB Output is correct
23 Correct 4 ms 1120 KB Output is correct
24 Correct 4 ms 1168 KB Output is correct
25 Correct 4 ms 1240 KB Output is correct
26 Correct 4 ms 1240 KB Output is correct
27 Correct 4 ms 1268 KB Output is correct
28 Correct 7 ms 1296 KB Output is correct

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 1468 KB Output isn't correct
2 Halted 0 ms 0 KB -