Submission #234946

#	Time	Username	Problem	Language	Result	Execution time	Memory
234946		Nodir_Bobiev	Rice Hub (IOI11_ricehub)	C++17	26 / 100	1088 ms	3328 KiB

ricehub

#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;

int besthub(int R, int L, int X[], long long B)
{
	int ans = 0;
	long long sumL[R+2]={}, sumR[R+2]={};
	for( int i = 1; i <= R; i ++ ){
		sumL[i] = sumL[i-1] + X[i-1];
	}
	for( int i = R; i >= 1; i -- ){
		sumR[i] = sumR[i+1] + X[i-1];
	}
	for( int i = 1; i <= R; i ++ ){
		int l = 1, r = R+1;
		while( r - l > 1 ){
			int m = ( l + r ) >> 1;
			long long mn = 1e18;
			for( int j = max(i-m+1,1); j <= min(i,R-m+1); j++){
				int k = j + m-1;
				mn = min(mn, X[i-1]*1ll*(i-j+1)-(sumL[i]-sumL[j-1]) + 
							(sumR[i]-sumR[k+1])-X[i-1]*1ll*(k-i+1)  );
			}
			if( mn <= B ) {
				ans = max(m, ans);
				l = m;
			}else{
				r = m;
			}
		}
	}
	return ans;
}

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