Submission #781626

#	Time	Username	Problem	Language	Result	Execution time	Memory
781626		kebine	Strange Device (APIO19_strange_device)	C++17	0 / 100	5092 ms	524288 KiB

strange_device

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;

ll n, a, b, ans = 0;
map<pll, bool> mp;

int main(){
  cin >> n >> a >> b;
  while(n--)
  {
    ll l, r;
    cin >> l >> r;
    for (int i = l; i <= r; ++i)
    {
      pll hasil = {(i + (i/b)) % a, i % b};
      if (mp[hasil])
      {
        continue ;
      }
      mp[hasil] = true;
      ans++;
    }
  }

  cout << ans << "\n";
  return 0;
}

• 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