제출 #725992

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
725992		NemanjaSo2005	비스킷 담기 (IOI20_biscuits)	C++14	12 / 100	10 ms	1208 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int MaxK=60;
ll res,br,kol[MaxK*4],stepen[MaxK*4],del,K;
ll count_tastiness(ll x,vector<ll> A){
   stepen[0]=1;
   for(int i=1;i<=MaxK;i++)
      stepen[i]=stepen[i-1]*2;
   for(int i=MaxK+1;i<MaxK*4;i++)
      stepen[i]=1;
   br=x;
   K=A.size();
   for(int i=0;i<K;i++)
      kol[i]=A[i];
   for(int i=K;i<4*MaxK;i++)
      kol[i]=0;
   res=1;
   ll br=0,maks=0;
   del=1;
   for(int i=0;i<4*MaxK;i++){
      if(br<1){
         res*=(maks/x+1);
        // cout<<i<<" "<<maks+1<<endl;
         br=0;
         maks=0;
         del=stepen[i];
      }
      br+=kol[i];
      maks+=kol[i]*stepen[i]/del;
      br/=2;
   }
   return res;
}

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