Submission #258911

#	Time	Username	Problem	Language	Result	Execution time	Memory
258911		parsa_mobed	Strange Device (APIO19_strange_device)	C++14	0 / 100	5075 ms	48120 KiB

strange_device

#include <bits/stdc++.h>

using namespace std;
#define int long long
const int N = 1e6 + 5;
int l[N], r[N], mark[N];

int32_t main() {
	int n, A, B, ans = 0; cin >> n >> A >> B;
	A = A / __gcd(A, B + 1);
	for (int i = 0; i < n; i++) {
		cin >> l[i] >> r[i];
		for (int j = l[i]; j <= r[i]; j++) if (!mark[j%(A*B)]) mark[j%(A*B)] = 1, 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