Submission #434157

# Submission time Handle Problem Language Result Execution time Memory
434157 2021-06-20T15:59:50 Z illyakr Rice Hub (IOI11_ricehub) C++14
100 / 100
125 ms 2372 KB
#include <bits/stdc++.h>
#include "ricehub.h"
using namespace std;
#define ll long long

ll have;
ll n;
ll a[101010];
ll res = 0;
ll pref[101010];
ll gt(ll l, ll r) {
    return pref[r] - pref[l - 1];
}
ll scbp(ll sum, ll id) {
    ll l = 0, r = id + 1;
    while (l + 1 < r) {
        ll mid = (l + r) / 2;
        ll md = (a[id] * (id - mid + 1)) - gt(mid, id);
        if (md + sum > have)l = mid;
        else r = mid;
    }
    return r;
}

int besthub(int R, int L, int X[], long long B) {
    n = R;
    for (ll i = 0; i < R; i++)
        a[i + 1] = X[i];
    have = B;
    for (ll i = 1; i <= n; i++) {
        pref[i] = pref[i - 1] + a[i];
    }

    for (ll i = 1; i <= n; i++) {
        ll l = i - 1, r = n + 1;
        while (l + 1 <= r) {
            if (l + 1 == r)break;
            ll mid = (l + r) / 2;
            ll cnt = gt(i, mid) - (a[i] * (mid - i + 1));
            if (cnt > have){r = mid;continue;}
            ll id = scbp(cnt, i);
            res = max(res, mid - id + 1);

            if (id == 1){l = mid;continue;}
            if (abs(a[id - 1] - a[i]) < abs(a[mid] - a[i])){r = mid;continue;}
            l = mid;
        }
    }

    return res;
}

/**
5 20 6
1
2
10
12
14
3
*/
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory 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 0 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 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 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 204 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 256 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 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory 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 332 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 332 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 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 3 ms 332 KB Output is correct
22 Correct 3 ms 332 KB Output is correct
23 Correct 3 ms 308 KB Output is correct
24 Correct 3 ms 332 KB Output is correct
25 Correct 4 ms 332 KB Output is correct
26 Correct 5 ms 332 KB Output is correct
27 Correct 4 ms 332 KB Output is correct
28 Correct 4 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 588 KB Output is correct
2 Correct 7 ms 588 KB Output is correct
3 Correct 85 ms 2184 KB Output is correct
4 Correct 125 ms 2252 KB Output is correct
5 Correct 21 ms 1292 KB Output is correct
6 Correct 17 ms 1228 KB Output is correct
7 Correct 81 ms 2252 KB Output is correct
8 Correct 104 ms 2252 KB Output is correct
9 Correct 44 ms 1248 KB Output is correct
10 Correct 44 ms 1264 KB Output is correct
11 Correct 109 ms 2180 KB Output is correct
12 Correct 113 ms 2372 KB Output is correct
13 Correct 26 ms 1288 KB Output is correct
14 Correct 25 ms 1288 KB Output is correct
15 Correct 61 ms 1756 KB Output is correct
16 Correct 77 ms 1716 KB Output is correct
17 Correct 72 ms 2028 KB Output is correct
18 Correct 94 ms 2024 KB Output is correct
19 Correct 93 ms 2248 KB Output is correct
20 Correct 103 ms 2140 KB Output is correct