Submission #977089

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
977089	2024-05-07 11:22:06	dubabuba	Strange Device (APIO19_strange_device)	C++14	100 / 100	1427 ms	99036 KiB

strange_device

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#include <bits/stdc++.h>
using namespace std;
 
#define int long long
typedef pair<int, int> pii;
#define ff first
#define ss second
#define MP make_pair
 
int gcd(int a, int b) {
  if(a == 0) return b;
  if(b == 0) return a;
  return gcd(b % a, a);
}
 
signed main() {
  int a, b, n, t;
  cin >> n >> a >> b;
  int d = gcd(a, b + 1);
  double sda = 1.0  * a / d * b;
  if(sda <= 1e18) t = a / d * b;
  else t = 1e18;
  set<pii> v;
 
  int l, r; bool gay = false;
  for(int i = 0; i < n; i++) {
    cin >> l >> r;
    if(r - l + 1 >= t) {
      gay = 1;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 20 / 20
• Subtask 7: 20 / 20
• Subtask 8: 30 / 30