Submission #328128

#	Time	Username	Problem	Language	Result	Execution time	Memory
328128		hhhhaura	Euklid (COCI20_euklid)	C++14	110 / 110	1 ms	384 KiB

euklid

#include <bits/stdc++.h>
#pragma loop-opt(on)
#pragma GCC optmize("Ofast")

#define print(x) cout << #x <<" = " << x << endl
#define pprint(x) cout << #x <<" = (" << x.first << " , " << x.second <<" )\n"
#define rep(i, a, b) for(int i = a; i <= b; i++)
#define rrep(i, a, b) for(int i = b; i >= a; i--)
#define ceil(a, b) ((a + b - 1) / b)
#define all(x) x.begin(), x.end()

#define MAXN 1000005
#define INF 1000000000000000000
#define MOD 1000000007
#define eps (1e-9)

#define int long long int 
#define lld long double
#define pii pair<int, int>
#define random mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count())

using namespace std;
int t, g, h, a, b, hh;
bool check(int a, int b) {
	int aa = a, bb = b;
	if(__gcd(a, b) != g) return false;
	while(b != 1) {
		if(a < b) swap(a, b);
		else a /= b;
		pprint(pii(a, b));
	}
	pprint(pii(aa, bb));
	if(a != h) pprint(pii(h, g));
	return a == h;
}
void solve(int g, int h) {
	hh = h;
	while(hh <= g) hh *= h;
	b = g * ceil(hh, g), a = b * h + g;
}
signed main() {
	ios::sync_with_stdio(false), cin.tie(0);
//	rep(i, 1, 1500) rep(j, 2, 1500) g = i, h = j, solve(i, j),pprint(pii(a, b)),assert(check(a, b));
	cin >> t;
	while(t--) {
		cin >> g >> h, hh = h;
		while(hh <= g) hh *= h;
		b = g * ceil(hh, g), a = b * h + g;
		cout << a <<" " << b <<"\n";
//		print(check(a, b));
	}
	return 0;
} 

Compilation message (stderr)

euklid.cpp:2: warning: ignoring #pragma loop  [-Wunknown-pragmas]
    2 | #pragma loop-opt(on)
      | 
euklid.cpp:3: warning: ignoring #pragma GCC optmize [-Wunknown-pragmas]
    3 | #pragma GCC optmize("Ofast")
      |

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