Submission #1108427

#	Time	Username	Problem	Language	Result	Execution time	Memory
1108427		Nurislam	Strange Device (APIO19_strange_device)	C++17	10 / 100	5059 ms	524288 KiB

strange_device

#include "bits/stdc++.h"

using namespace std;


#define int long long
#define all(x) x.begin(),x.end()
#define ff first
#define ss second
#define pb push_back

template<class T, class U> inline bool chmin(T& a, const U& b) { if (a > b) { a = b; return true; } return false; }
template<class T, class U> inline bool chmax(T& a, const U& b) { if (a < b) { a = b; return true; } return false; }

const int inf = 1e18;
const int mod = 1e9 + 7;
const int N = 2e5+5;



void solve(){
	map<array<int,2>,int> mp;
	int n, a, b;
	cin >> n >> a >> b;
	for(int i =0 ; i < n; i++){
		int l, r;
		cin >> l >> r;
		for(int t = l; t <= r; t++){
			mp[{(t+t/b)%a, t%b}] = 1;
		}
	}
	cout << mp.size() << '\n';
}

signed main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);cout.tie(nullptr);
  
	int t = 1;
	//cin >> t;
	while(t--){
		solve();
	}
}

• 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