Submission #549895

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
549895	2022-04-16 19:08:53	Hanksburger	Strange Device (APIO19_strange_device)	C++17	35 / 100	510 ms	49908 KiB

strange_device

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#include <bits/stdc++.h>
using namespace std;
vector<pair<long long, long long> > vec;
int main()
{
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  long long n, a, b, num, curl, curr, ans=0;
  cin >> n >> a >> b;
  num=a*b/gcd(a*b, b+1);
  for (long long i=1; i<=n; i++)
  {
    long long l, r;
    cin >> l >> r;
    if (l+num<=r)
      vec.push_back({0, num-1});
    else if (l%num<=r%num)
      vec.push_back({l%num, r%num});
    else
    {
      vec.push_back({l%num, num-1});
      vec.push_back({0, r%num});
    }
  }
  sort(vec.begin(), vec.end());
  curl=vec[0].first;
  curr=vec[0].second;
  for (long long i=1; i<vec.size(); i++)
  {
 
 
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Compilation message (stderr)

strange_device.cpp: In function 'int main()':
strange_device.cpp:29:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |  for (long long i=1; i<vec.size(); i++)
      |                      ~^~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 20 / 20
• Subtask 7: 0 / 20
• Subtask 8: 0 / 30