Submission #733161

#	Time	Username	Problem	Language	Result	Execution time	Memory
733161		minhcool	Strange Device (APIO19_strange_device)	C++17	10 / 100	5095 ms	524288 KiB

strange_device

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

#define int long long
#define fi first
#define se second
#define pb push_back
#define mp make_pair

typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;

const int N = 3e5 + 5;

const int oo = 1e18 + 7, mod = 1e9 + 7;

int n, a, b;
set<ii> se;

void process(){
	cin >> n >> a >> b;
	for(int i = 1; i <= n; i++){
		int l, r;
		cin >> l >> r;
		for(int j = l; j <= r; j++) se.insert({(j + j/b) % a, j%b});
	}
	cout << se.size() << "\n";
}

signed main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	process();
}

• 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