Submission #761342

#	Time	Username	Problem	Language	Result	Execution time	Memory
761342		KN200711	Rice Hub (IOI11_ricehub)	C++14	100 / 100	11 ms	2516 KiB

ricehub

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

int l, r, pos;
ll pc[200001], val;

void ad() {
	r++;
	val	+= pc[r] - pc[pos];
	if((r - l + 1)&1) {
		// dimajuin pos nya
		val -= pc[pos + 1] - pc[pos];
		pos++;
	}
	return;
}

void mn() {
	val -= pc[pos] - pc[l];
	l++;
	if((r - l + 1)&1) {
		// dimajuin pos nya
		val -= pc[pos + 1] - pc[pos];
		pos++;
	}
}

int besthub(int R, int L, int X[], ll B) {
	for(int i=0;i<R;i++) pc[i] = X[i];
	val = 0ll;
	l = r = pos=  0;
	int mx = 0;
	for(int i=1;i<R;i++) {
		ad();
		while(val > B) mn();
		
		mx = max(mx, r - l + 1);
	}
	return mx;
}

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