Submission #624097

#	Time	Username	Problem	Language	Result	Execution time	Memory
624097		Plurm	Packing Biscuits (IOI20_biscuits)	C++17	0 / 100	2 ms	340 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;

long long count_tastiness(long long x, vector<long long> a) {
  for (int i = 0; i < a.size(); i++) {
    if (a[i] <= 2ll)
      continue;
    if (a[i] % 2ll == 0ll) {
      long long d = (a[i] - 2ll) / 2ll;
      a[i] -= 2ll * d;
      if (i == a.size() - 1)
        a.push_back(d);
      else
        a[i + 1] += d;
    } else if (a[i] % 2ll == 1ll) {
      long long d = (a[i] - 1ll) / 2ll;
      a[i] -= 2ll * d;
      if (i == a.size() - 1)
        a.push_back(d);
      else
        a[i + 1] += d;
    }
  }
  int k = a.size();
  for (int i = k - 1; i > 0; i--) {
    if (a[i - 1] > 0ll) {
      a[i - 1] += a[i] * 2ll;
      a[i] = 0ll;
    }
  }
  long long ans = 1ll;
  for (int i = 0; i < k; i++)
    if (a[i])
      ans *= 1ll * a[i];
  return ans;
}

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:6:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    6 |   for (int i = 0; i < a.size(); i++) {
      |                   ~~^~~~~~~~~~
biscuits.cpp:12:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |       if (i == a.size() - 1)
      |           ~~^~~~~~~~~~~~~~~
biscuits.cpp:19:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |       if (i == a.size() - 1)
      |           ~~^~~~~~~~~~~~~~~

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