Submission #781474

#	Time	Username	Problem	Language	Result	Execution time	Memory
781474		devariaota	Strange Device (APIO19_strange_device)	C++17	0 / 100	5066 ms	524288 KiB

strange_device

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

#define int long long

// int gcd(int a, int b) {
//   if (b == 0) return a;
//   return gcd(b, a%b);
// }

// int lcm(int a, int b) {
//   return (a*b)/gcd(a, b);
// }

// int unique[100005];
set<int> unik;

signed main() {
  int n, a, b, l, r, kpk;
  cin >> n >> a >> b;
  // kpk = lcm(a, b);
  // cout << kpk << endl;
  for (int i = 0; i < n; i++) {
    cin >> l >> r;
    for (int j = l; j <= r; j++) unik.insert(j%(a*b));
  }
  cout << unik.size() << endl;
}

Compilation message (stderr)

strange_device.cpp: In function 'int main()':
strange_device.cpp:19:22: warning: unused variable 'kpk' [-Wunused-variable]
   19 |   int n, a, b, l, r, kpk;
      |                      ^~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 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