Submission #249887

#	Time	Username	Problem	Language	Result	Execution time	Memory
249887		godwind	Strange Device (APIO19_strange_device)	C++14	10 / 100	5096 ms	524292 KiB

strange_device

#include <iostream>
#include <vector>
#include <algorithm>
#include <random>
#include <set>
#include <map>
#include <queue>
#include <cstring>
#include <cmath>
#include <bitset>
#include <iomanip>
#include <functional>
//#include <unordered_map>
 
using namespace std;
 
template<typename T> void uin(T &a, T b) {if (b < a) a = b;}
template<typename T> void uax(T &a, T b) {if (b > a) a = b;}
 
#define int long long
#define double long double
#define left left228
#define right right228
#define mp make_pair
#define all(v) v.begin(), v.end()
 
 
signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
	int n, A, B;
	cin >> n >> A >> B;
	set< pair<int,int> > s;
	for (int i = 0; i < n; ++i) {
		int l, r;
		cin >> l >> r;
		for (int t = l; t <= r; ++t) {
			int x = (t + t / B) % A;
			int y = t % B;
			s.insert({x, y});
		}
	}
	cout << s.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