Submission #1284038

#	Time	Username	Problem	Language	Result	Execution time	Memory
1284038		farica	Packing Biscuits (IOI20_biscuits)	C++20	9 / 100	1102 ms	214140 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

long long count_tastiness(long long x, std::vector<long long> a) {
  int n = (int)a.size();
  set<ll>S;
  vector<ll>s(60, 0);
  for(int i=0; i<60; ++i) {
    if(i < n) s[i] = (1LL<<i) * a[i];
    if(i) s[i] += s[i-1];
  }
  S.insert(0);
  for(int i=0; i<60; ++i) {
    auto it = S.upper_bound(s[i]/x - (1LL<<i));
    if(it == S.begin()) continue;
    --it;
    while(true) {
      ll cur = (*it);
      S.insert(cur + (1LL<<i));
      if(it == S.begin()) break;
	  --it;
    }
  }
  
	return (ll)S.size();
}

• Subtask 1: 9 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23