Submission #99225

# Submission time Handle Problem Language Result Execution time Memory
99225 2019-03-01T18:30:36 Z eriksuenderhauf Rice Hub (IOI11_ricehub) C++11
100 / 100
33 ms 2208 KB
#pragma GCC optimize("O3")
#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXN = 1e6 + 5;
int a[MAXN], n;

int ok(ll b, int len) {
    ll cur = 0;
    for (int i = 0; i < len; i++)
        cur += abs((ll) a[i] - a[(len - 1) / 2]);
    if (cur <= b)
        return 1;
    for (int i = len; i < n; i++) {
        cur += (ll) (a[(len-1)/2+i-len+1]-a[(len-1)/2+i-len]) * (ll) ((len-1)/2+1);
        cur -= (ll) (a[(len-1)/2+i-len+1]-a[(len-1)/2+i-len]) * (ll) (len-((len-1)/2+1));
        cur -= abs((ll) a[i - len] - a[(len-1)/2+i-len+1]);
        cur += abs((ll) a[i] - a[(len-1)/2+i-len+1]);
        if (cur <= b)
            return 1;
    }
    return 0;
}

int besthub(int r, int l, int x[], ll b) {
    for (int i = 0; i < r; i++)
        a[i] = x[i];
    n = r;
    int lo = 1, hi = r, ans = 1;
    while (lo <= hi) {
        int m = (lo + hi) / 2;
        if (ok(b, m))
            lo = m + 1, ans = m;
        else
            hi = m - 1;
    }
    return ans;
}

/*int main()
{
    int ans = besthub(5, 20, {1, 2, 10, 12, 14}, 6);
    pri(ans);
    return 0;
}
*/
# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 3 ms 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 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 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 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 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 3 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 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 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 3 ms 384 KB Output is correct
5 Correct 3 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 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 3 ms 384 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 3 ms 384 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 4 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 4 ms 384 KB Output is correct
26 Correct 4 ms 384 KB Output is correct
27 Correct 4 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 640 KB Output is correct
2 Correct 7 ms 640 KB Output is correct
3 Correct 21 ms 2168 KB Output is correct
4 Correct 24 ms 2208 KB Output is correct
5 Correct 14 ms 1024 KB Output is correct
6 Correct 11 ms 1152 KB Output is correct
7 Correct 18 ms 1920 KB Output is correct
8 Correct 22 ms 1892 KB Output is correct
9 Correct 15 ms 1056 KB Output is correct
10 Correct 12 ms 1024 KB Output is correct
11 Correct 29 ms 2196 KB Output is correct
12 Correct 27 ms 2176 KB Output is correct
13 Correct 13 ms 1152 KB Output is correct
14 Correct 21 ms 1156 KB Output is correct
15 Correct 22 ms 1792 KB Output is correct
16 Correct 19 ms 1644 KB Output is correct
17 Correct 30 ms 2040 KB Output is correct
18 Correct 29 ms 1968 KB Output is correct
19 Correct 24 ms 2048 KB Output is correct
20 Correct 33 ms 2060 KB Output is correct