Submission #872135

#	Time	Username	Problem	Language	Result	Execution time	Memory
872135		Onur_Ilgaz	Euklid (COCI20_euklid)	C++17	75 / 110	32 ms	600 KiB

euklid

#include <bits/stdc++.h>
#define fast cin.tie(0)->sync_with_stdio(0);
#define int long long
#define inf ((int)1e18)
#define N 1000005
using namespace std;

void solve(){
	int g, h;
	cin >> g >> h;
	bitset <N> dp; // if(dp[i]) then we can get R'(i, h)
	dp[1] = 1;
	for(int i = 1; i < N; i++) {
		if(!dp[i]) continue;
		if(i >= g) {
			int a = i, b = h; // a >= b garantili
			// cout << a << " " << b << "\n";
			// cout << a << " " << b << "\n";
			// b'yi g'nin katı yapacağız
			int need = (g - (a * b % g)) % g;
			b = a * b + need;
			// b artık g'nin katı
			// cout << a << " " << b << "\n";
			swap(a, b);
			if(gcd(a, b) == g) {
				cout << a << " " << b << "\n\n";
				return;
			}
			// a >= b garantili
			b = a * b + ((a == g) ? 0 : g);
			cout << a << " " << b << "\n\n";
			return;
		}
		for(int j = 0; j < h and i * h + j < N; j++) {
			dp[i * h + j] = 1;
		}
	}
	cout << "ERROR\n";
}

int32_t main(){
	fast
	int t=1;
	cin>>t;
	while(t--) solve();
}

• Subtask 1: 4 / 4
• Subtask 2: 8 / 8
• Subtask 3: 8 / 8
• Subtask 4: 15 / 15
• Subtask 5: 40 / 40
• Subtask 6: 0 / 35