답안 #99407

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
99407 2019-03-03T15:51:16 Z naoai 쌀 창고 (IOI11_ricehub) C++14
100 / 100
28 ms 2560 KB
#include <bits/stdc++.h>
#include "ricehub.h"

using namespace std;

#define fin cin
#define fout cout
//ifstream fin("x.in"); ofstream fout("x.out");

typedef long long i64;
const int nmax = 1e5;

static i64 s[nmax + 1];

bool check (int n, int v[], i64 b, int x) {
    for (int i = x; i <= n; ++ i) {
        int y = (i - x + 1);
        int mij = (y + i) / 2;

        if (b >= s[i] - s[mij] - 1LL * (i - mij) * v[mij] + 1LL * (mij - y + 1) * v[mij] - (s[mij] - s[y - 1])) {
            return 1;
        }
    }
    return 0;
}

int besthub (int n, int l, int v[], i64 b) {
    for (int i = 1; i <= n; ++ i)
        s[i] = s[i - 1] + v[i - 1];

    int n2;
    for (n2 = 1; (n2 << 1) <= n; n2 <<= 1) {
    }

    int ans = 0;
    for (int step = n2; step > 0; step >>= 1) {
        if (ans + step <= n && check(n, v, b, ans + step))
            ans += step;
    }

    return ans;
}

/*int k[5] = {1, 2, 10, 12, 14};

int main() {
    cout << besthub(5, 20, k, 6) << "\n";
    return 0;
}*/
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 3 ms 256 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 3 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 4 ms 384 KB Output is correct
22 Correct 3 ms 384 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 4 ms 384 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 768 KB Output is correct
2 Correct 7 ms 768 KB Output is correct
3 Correct 18 ms 2560 KB Output is correct
4 Correct 19 ms 2560 KB Output is correct
5 Correct 13 ms 1280 KB Output is correct
6 Correct 13 ms 1280 KB Output is correct
7 Correct 19 ms 2300 KB Output is correct
8 Correct 14 ms 2304 KB Output is correct
9 Correct 9 ms 1152 KB Output is correct
10 Correct 11 ms 1124 KB Output is correct
11 Correct 22 ms 2552 KB Output is correct
12 Correct 19 ms 2552 KB Output is correct
13 Correct 10 ms 1280 KB Output is correct
14 Correct 11 ms 1280 KB Output is correct
15 Correct 16 ms 2040 KB Output is correct
16 Correct 21 ms 2048 KB Output is correct
17 Correct 27 ms 2296 KB Output is correct
18 Correct 23 ms 2304 KB Output is correct
19 Correct 28 ms 2424 KB Output is correct
20 Correct 20 ms 2432 KB Output is correct