제출 #806813

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
806813	2023-08-04 10:02:49	Gangsta	쌀 창고 (IOI11_ricehub)	C++14	100 / 100	19 ms	2736 KiB

ricehub

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// a >> b = a / pow(2,b)
// a << b = a * pow(2,b)
#include <bits/stdc++.h>
#define ll long long int
#define pb push_back
#define sz size()
#define ss second
#define ff first
#define N 200001
#define pll pair<ll,ll>
using namespace std;
bool check(int md, ll b, vector<int>arr){
  int n = arr.sz, p = (md-1) / 2;
  ll cost = 0;
  for(int i = 0; i < md; i++) cost += abs(arr[p] - arr[i]);
  if(cost <= b) return true;
  for(int i = md; i < n; i++){
    int x = arr[i - md], y = arr[i];
    int m = arr[p], mp = arr[p+1];
    p++;
    if(md&1){
      cost += x + y;
      cost -= m + mp;
    }
    else{
      cost += x + y;
      cost -= mp + mp;
    }
 
 
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