Submission #934284

#	Time	Username	Problem	Language	Result	Execution time	Memory
934284		vjudge1	Strange Device (APIO19_strange_device)	C++17	10 / 100	5052 ms	524288 KiB

strange_device

// Problem: A - Strange Device
// Contest: Virtual Judge - 2024-02-27 APIO Simulation
// URL: https://vjudge.net/contest/612540#problem/A
// Memory Limit: 512 MB
// Time Limit: 5000 ms
// 
// Powered by CP Editor (https://cpeditor.org)

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

#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define print(A,t) cerr << #A << ": "; copy(all(A),ostream_iterator<t>(cerr," " )); cerr << endl
#define prArr(A,n,t)  cerr << #A << ": "; copy(A,A + n,ostream_iterator<t>(cerr," " )); cerr << endl
#define what_is(x) cerr << #x << " is " << x << endl
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef vector<int> vi;

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL); cout.tie(NULL);
	int n; ll A, B; cin >> n >> A >> B;
	set<pair<ll, ll>> ans;
	for (int i = 1; i <= n; i++) {
		ll L, R;
		cin >> L >> R;
		for (ll j = L; j <= R; j++) {
			ll x = (j + j / B) % A;
			ll y = j % B;
			ans.insert({x, y});
		}
	}
	cout << sz(ans) << endl;
	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