제출 #679028

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
679028	2023-01-07 08:11:44	atigun	쌀 창고 (IOI11_ricehub)	C++11	100 / 100	14 ms	3268 KiB

ricehub

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#include<bits/stdc++.h>
#include "ricehub.h"
using namespace std;
typedef long long ll;
int R;
ll L, B;
vector<ll> X, pf;
ll get(int l, int r){
  return pf[r]-pf[l-1];
}
ll sz(int l, int r){
  return r-l+1;
}
ll go(int l, int r){
  int mid = (l+r)/2;
  ll lsum = sz(l, mid)*X[mid]-get(l, mid);
  ll rsum = get(mid+1, r)-sz(mid+1, r)*X[mid];
  return lsum+rsum;
}
int besthub(int rr, int ll, int xx[], long long bb){
  R = rr, L = ll, B = bb;
  X.resize(R+5);
  for(int i = 1; i <= R; i++)
    X[i] = xx[i-1];
  pf = X;
  for(int i = 1; i <= R; i++)
    pf[i]+= pf[i-1];
 
 
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• Subtask 4: 32 / 32