Submission #1283934

#	Time	Username	Problem	Language	Result	Execution time	Memory
1283934		farica	Packing Biscuits (IOI20_biscuits)	C++20	0 / 100	2 ms	572 KiB

biscuits

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

using namespace std;
using ll = long long;
const ll INF = 1e18;

long long count_tastiness(long long x, std::vector<long long> a) {
  int k = (int)a.size();
  vector<ll>dp(60, 0);
  ll ans = 0;
  for(int i=0; i<60; ++i) {
    int j = i;
    if((1LL<<i) > INF/x) continue;
    ll sum = x * (1LL<<i);
    for(; j>=0; --j) {
      sum -= a[j] * (1LL<<j);
      if(sum <= 0) break;
    }
    if(j) dp[i] = dp[j-1];
    else dp[i] = 1;
    ans += dp[i];
  }
  
	return ans;
}

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