Submission #714053

#	Time	Username	Problem	Language	Result	Execution time	Memory
714053		Spade1	Rice Hub (IOI11_ricehub)	C++14	0 / 100	3 ms	596 KiB

ricehub

#include <bits/stdc++.h>
#define ll long long
#include "ricehub.h"
//#include "grader.cpp"

using namespace std;

ll x[100010], qs[100010];

int besthub(int R, int L, int _X[], ll B) {
    for (int i = 1; i <= R; ++i) x[i] = _X[i-1];
    for (int i = 1; i <= R; ++i) qs[i] = qs[i-1] + x[i];

    ll l = 1, r = R;
    while (l < r) {
        ll mid = (l+r+1)/2;
        bool y = 0;
        for (ll i = 1, j = mid; j <= R; ++i, ++j) {
            ll md = (i+j)/2;
            if (qs[j]-qs[md]-(j-md)*x[md] + (md-i)*x[md]-qs[md-1]-qs[i-1] <= B) y = 1;
        }
        if (y) l = mid;
        else r = mid-1;
    }
    return l;
}

• Subtask 1: 0 / 17
• Subtask 2: 0 / 25
• Subtask 3: 0 / 26
• Subtask 4: 0 / 32