Submission #391415

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
391415	2021-04-18 17:24:48	AlexPop28	Packing Biscuits (IOI20_biscuits)	C++14	12 / 100	1097 ms	144060 KiB

biscuits

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#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
int n;
map<pair<int, long long>, long long> memo;
long long Solve(int i, const vector<long long> &cnt, long long s) {
  if (memo.count({i, s})) return memo[{i, s}];
  if (i == (int)cnt.size()) {
    return 1 + s / n;
  }
  long long ret;
  ret = Solve(i + 1, cnt, (s + cnt[i]) / 2);
  if (s + cnt[i] >= n) {
    ret += Solve(i + 1, cnt, (s + cnt[i] - n) / 2);
  }
  return memo[{i, s}] = ret; 
}
long long count_tastiness(long long n, vector<long long> a) {
  ::n = n;
  long long s = 0;
  for (int i = 0; i < (int)a.size(); ++i) {
    if (a[i] > n + 1) {
      if (i + 1 == (int)a.size()) a.emplace_back(0LL);
      auto delta = (a[i] - n) / 2;
      a[i + 1] += delta;
 
 
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• Subtask 2: 12 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23