Submission #984372

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
984372	2024-05-16 15:09:19	SmuggingSpun	Strange Device (APIO19_strange_device)	C++14	15 / 100	319 ms	71364 KiB

strange_device

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#include<bits/stdc++.h>
#define taskname "A"
using namespace std;
typedef long long ll;
const int lim = 1e6 + 5;
int n;
ll A, B, S = 0, l[lim], r[lim];
namespace sub1{
  void solve(){
    map<pair<ll, ll>, bool>cnt;
    for(int i = 0; i < n; i++){
      for(ll j = l[i]; j <= r[i]; j++){
        cnt[make_pair((j + j / B) % A, j % B)] = true;
      }
    }
    cout << cnt.size();
  }
}
ll next_mod(ll current, ll d, ll r){
  ll R = current % d;
  if(R < r){
    return current + r - R;
  }
  return current + d - R + r;
}
ll prev_mod(ll current, ll d, ll r){
  ll R = current % d;
  if(R > r){
    return current - R + r;
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

strange_device.cpp: In function 'void sub4::solve()':
strange_device.cpp:64:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |   for(int i = 1; i < range.size(); i++){
      |                  ~~^~~~~~~~~~~~~~
strange_device.cpp: In function 'int main()':
strange_device.cpp:76:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   76 |   freopen(taskname".inp", "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

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