답안 #418216

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
418216	2021-06-05T08:26:56 Z	dxz05	쌀 창고 (IOI11_ricehub)	C++14	100 / 100	23 ms	2540 KB

ricehub

#include "ricehub.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int MAXN = 2e5 + 3e2;

ll pref[MAXN];

ll sum(int l, int r){
    ll res = pref[r];
    if (l) res -= pref[l - 1];
    return res;
}

int besthub(int N, int L, int X[], long long B) {
    for (int i = 0; i < N; i++){
        pref[i] = X[i];
        if (i > 0) pref[i] += pref[i - 1];
    }

    int ans = 0;
    for (int i = 0; i < N; i++){
        int l = i, r = N - 1;
        while (l <= r){
            int mid = (l + r) >> 1;

            int ind = (i + mid) / 2;
            int hub = X[ind];

            ll cost = 1ll * hub * (ind - i + 1) - sum(i, ind);
            cost += sum(ind + 1, mid) - 1ll * hub * (mid - ind);

            if (cost <= B){
                ans = max(ans, mid - i + 1);
                l = mid + 1;
            } else r = mid - 1;
        }
    }

    return ans;
}

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct

Subtask #2

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	304 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	300 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct

Subtask #3

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	296 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	308 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	2 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	2 ms	308 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct

Subtask #4

32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	596 KB	Output is correct
2	Correct	5 ms	692 KB	Output is correct
3	Correct	23 ms	2540 KB	Output is correct
4	Correct	21 ms	2536 KB	Output is correct
5	Correct	10 ms	1228 KB	Output is correct
6	Correct	9 ms	1228 KB	Output is correct
7	Correct	19 ms	2248 KB	Output is correct
8	Correct	20 ms	2204 KB	Output is correct
9	Correct	10 ms	1100 KB	Output is correct
10	Correct	12 ms	1180 KB	Output is correct
11	Correct	21 ms	2512 KB	Output is correct
12	Correct	22 ms	2540 KB	Output is correct
13	Correct	10 ms	1276 KB	Output is correct
14	Correct	10 ms	1244 KB	Output is correct
15	Correct	16 ms	1868 KB	Output is correct
16	Correct	18 ms	1852 KB	Output is correct
17	Correct	19 ms	2232 KB	Output is correct
18	Correct	19 ms	2292 KB	Output is correct
19	Correct	20 ms	2420 KB	Output is correct
20	Correct	20 ms	2360 KB	Output is correct