답안 #564870

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
564870	2022-05-19T21:40:22 Z	four_specks	쌀 창고 (IOI11_ricehub)	C++17	100 / 100	22 ms	2280 KB

ricehub

#include "ricehub.h"

#include <bits/stdc++.h>

using namespace std;

namespace
{
} // namespace

int besthub(int R, int L, int X[], long long B)
{
    vector<long> pref(R + 1, 0), suff(R + 1, 0);
    for (int i = 0; i < R; i++)
        pref[i + 1] = pref[i] + X[i];
    for (int i = R - 1; i >= 0; i--)
        suff[i] = suff[i + 1] - X[i];

    int res = 0;

    for (int i = 0; i < R; i++)
    {
        int lo = i, hi = R;
        while (lo < hi)
        {
            int mid = (lo + hi + 1) / 2;

            int m = (i + mid - 1) / 2;
            if (pref[mid] - 2 * pref[m] + pref[i] + (long)(2 * m - i - mid) * X[m] <= B)
                lo = mid;
            else
                hi = mid - 1;
        }

        res = max(res, lo - i);
    }

    return res;
}

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct

Subtask #2

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct

Subtask #3

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct

Subtask #4

32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	596 KB	Output is correct
2	Correct	3 ms	596 KB	Output is correct
3	Correct	19 ms	2280 KB	Output is correct
4	Correct	14 ms	2264 KB	Output is correct
5	Correct	7 ms	1296 KB	Output is correct
6	Correct	8 ms	1236 KB	Output is correct
7	Correct	13 ms	2276 KB	Output is correct
8	Correct	14 ms	2184 KB	Output is correct
9	Correct	7 ms	1236 KB	Output is correct
10	Correct	7 ms	1236 KB	Output is correct
11	Correct	22 ms	2260 KB	Output is correct
12	Correct	16 ms	2232 KB	Output is correct
13	Correct	8 ms	1236 KB	Output is correct
14	Correct	9 ms	1236 KB	Output is correct
15	Correct	12 ms	1748 KB	Output is correct
16	Correct	11 ms	1700 KB	Output is correct
17	Correct	13 ms	2004 KB	Output is correct
18	Correct	14 ms	2004 KB	Output is correct
19	Correct	16 ms	2076 KB	Output is correct
20	Correct	13 ms	2092 KB	Output is correct