Submission #1150516

#	Time	Username	Problem	Language	Result	Execution time	Memory
1150516		zhasyn	Rice Hub (IOI11_ricehub)	C++20	0 / 100	0 ms	320 KiB

ricehub

#include "ricehub.h"
#include <bits/stdc++.h>
#define pb push_back
#define pf push_front
using namespace std;
#define F first
#define S second
typedef long long ll;
#define pii pair <int, int>
#define pll pair <ll, ll>
typedef long double ld;
const ll N = 1e5 + 100, M = 4096 + 10, len = 21, inf = 1e18;
const ll mod = 1e9 + 7;

int besthub(int n, int mx, int x[], long long b)
{
  int l = 1, r = n + 1;
  while(r - l > 1){
  	int mid = (r + l) / 2, sred = mid/2, last = 0;
  	ll sum = 0;
  	bool can = false;
  	for(int i = 0; i < mid; i++){
  		sum += abs(x[sred] - x[i]);
  	}
  	if(sum <=b) can = true;
  	for(int i = mid + 1; i < n; i++){
  		sum -= abs(x[sred] - x[last]);
  		last++;
  		sum += (x[sred + 1] - x[sred]) * ((mid - 1) / 2);
  		sum -= (x[sred + 1] - x[sred]) * (mid / 2);
  		sred++;
  		sum += x[i] - x[sred];
  		if(sum <= b) can = true;
  	}
  	
  	if(can) l = mid;
  	else r = mid;
  }
  return l;
}

// 
// int main(){
  	// ios::sync_with_stdio(false);
  	// cin.tie(NULL); 	
    // return 0;
// }
//  

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