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Submission #1003171

# Submission time Handle Problem Language Result Execution time Memory
1003171 2024-06-20T07:09:27 Z hacizadal Rice Hub (IOI11_ricehub) C++17
0 / 100
 6 ms 604 KB 
#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define ll long long
#define pll pair<ll, ll>
ll p[5005];

pll binary1(ll b, ll e, ll num, ll money)
{
    ll l = b, r = e, ans = 0;
    while (l <= r){
        ll m = (l + r)/2;
        if (p[m] - p[b-1] - ((m-b+1)*num) <= money){
            l = m + 1;
            ans = money - (p[m] - p[b-1] - ((m-b+1)*num));
        }
        else {
            r = m - 1;
        }
    }
    return {ans, l-1};
}

pll binary2(ll b, ll e, ll num, ll money)
{
    ll l = b, r = e, ans = 0;
    while (l <= r){
        ll m = (l + r)/2;
        if ((m-b+1)*num - p[m] <= money){
            l = m + 1;
            ans = money - ((m-b+1)*num - p[m]);
        }
        else {
            r = m - 1;
        }
    }
    return {ans, l-1};
}


int besthub(int n, int l, int a[], long long b)
{
    for (ll i = 0; i<n; i++){
        p[i+1] = p[i] + a[i];
    }
    ll mx = 0;
    for (ll i = 1; i<=l; i++){
        ll x = lower_bound(a, a+n, i) - a;
        pll k = binary1(x+1, n, i, b);
        pll g = binary2(1, x, i, b-k.first);
        mx = max(mx, (k.second-g.second+1));
    }
    return mx;
}

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 26.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 604 KB Output isn't correct
2 Halted 0 ms 0 KB -