Submission #499276

#	Time	Username	Problem	Language	Result	Execution time	Memory
499276		dsyz	Rice Hub (IOI11_ricehub)	C++17	0 / 100	2 ms	440 KiB

ricehub

#include <bits/stdc++.h>
#include "ricehub.h"
using namespace std;
using ll = long long;
#define MAXN (1000005)

int besthub(int R, int L, int X[], long long B){
	ll l = 0;
	ll r = 0;
	ll sum = 0;
	ll cur = 0;
	ll budget = 0;
	for(ll i = 1;i < R;i++){
		budget += abs(X[i] - X[0]);
		if(budget > B){
			break;
		}
		cur++;
		R++;
	}
	sum = max(sum,cur); 
	for(ll i = 1;i < R;i++){
		budget += abs(i - l) * abs(X[i] - X[i - 1]);
		budget -= abs(r - i + 1) * abs(X[i] - X[i - 1]);
		while(budget > B && l < i){
			budget -= abs(X[i] - X[l]);
			l++;
		}
		while(r < R - 1 && budget + X[r + 1] <= B){
			r++;
			budget += X[r];
			cur++;
		}
		while(l < i && r < R - 1){ 
			if(X[l] >= X[r + 1]){
				budget -= abs(X[i] - X[l]);
				budget += abs(X[r + 1] - X[i]); 
				l++;
				r++;
			}
		}
		while(r < R - 1 && budget + X[r + 1] <= B){
			r++;
			budget += X[r];
			cur++;
		}
		if(budget <= B){
			sum = max(sum,cur);
		}
	}
	return sum;
}

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