Submission #284510

#	Time	Username	Problem	Language	Result	Execution time	Memory
284510		Basilhijaz	Rice Hub (IOI11_ricehub)	C++17	0 / 100	4 ms	640 KiB

ricehub

#include "ricehub.h"

using namespace std;
typedef long long ll;


int besthub(int R, int L, int X[], long long B)
{
    ll pre[R + 1];
    pre[0] = 0;
    for(int i = 0; i < R; i++){
        pre[i + 1] = X[i] + pre[i];
    }
    int lo = 0; int hi = R;
    while(lo < hi){
        ll mid = (lo + hi + 1)/2;
        bool can = 0;
        for(int i = 0; i + mid - 1 < R; i++){
            ll sum = 0;
            ll nos = (i + i + mid - 1)/2;
            sum += X[nos]*mid - (pre[nos] - pre[i]);
            sum += (pre[i + i + mid - 1] - pre[nos]) - X[nos]*mid;
            if(sum <= B){
                can = 1;
                break;
            }
        }
        if(can){
            lo = mid;
        }
        else{
            hi = mid - 1;
        }
    }
    return lo;
}

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