Submission #212658

#	Time	Username	Problem	Language	Result	Execution time	Memory
212658		vioalbert	Strange Device (APIO19_strange_device)	C++14	10 / 100	5075 ms	524292 KiB

strange_device

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

ll n, a, b;
set<pair<ll,ll>> distinct;

int main() {
	ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
	cin >> n >> a >> b;
	for(int i = 0; i < n; i++) {
		ll l, r; cin >> l >> r;
		for(ll t = l; t <= r; t++)
			distinct.insert({(t+t/b)%a, t%b});
	}

	cout << distinct.size() << '\n';

	return 0;
}

• Subtask 1: 10 / 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