#include <bits/stdc++.h>
#define f first
#define s second
#define pb push_back
using namespace std;
typedef long long ll;
typedef long double ld;
const ll N = 1e3 + 100;
ll gcd[N][N];
ll f(ll x, ll y)
{
if (x < y) swap(x, y);
if (y == 1) return x;
else return f(x / y, y);
}
int main()
{
for (ll i = 1; i < N; i++)
for (ll j = 1; j < N; j++) gcd[i][j] = __gcd(i, j);
ll t;
cin >> t;
while (t--)
{
ll x, y;
cin >> x >> y;
if (x == y)
{
cout << x << " " << x << endl;
continue;
}
if (y == 2)
{
cout << x << " " << 2 * x << endl;
continue;
}
if (x == y * y)
{
cout << x << " " << x * y << endl;
continue;
}
ll l = -1, r = -1;
for (ll i = 1; i < N; i++)
for (ll j = 1; j < N; j++)
if (gcd[i][j] == 1 && f(i * x, j * x) == y) {l = i * x, r = j * x;break;}
cout << l << " " << r << endl;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
52 ms |
9836 KB |
Output is correct |
2 |
Correct |
52 ms |
9836 KB |
Output is correct |
3 |
Correct |
52 ms |
9836 KB |
Output is correct |
4 |
Correct |
52 ms |
9836 KB |
Output is correct |
5 |
Correct |
52 ms |
9836 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
65 ms |
9836 KB |
Output is correct |
2 |
Correct |
53 ms |
9836 KB |
Output is correct |
3 |
Correct |
52 ms |
9836 KB |
Output is correct |
4 |
Correct |
52 ms |
9836 KB |
Output is correct |
5 |
Correct |
52 ms |
9836 KB |
Output is correct |
6 |
Correct |
52 ms |
9836 KB |
Output is correct |
7 |
Correct |
52 ms |
9836 KB |
Output is correct |
8 |
Correct |
52 ms |
9836 KB |
Output is correct |
9 |
Correct |
52 ms |
9836 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
52 ms |
9836 KB |
Output is correct |
2 |
Correct |
52 ms |
9836 KB |
Output is correct |
3 |
Correct |
52 ms |
9836 KB |
Output is correct |
4 |
Correct |
52 ms |
9836 KB |
Output is correct |
5 |
Correct |
53 ms |
9836 KB |
Output is correct |
6 |
Correct |
52 ms |
9836 KB |
Output is correct |
7 |
Correct |
52 ms |
9836 KB |
Output is correct |
8 |
Correct |
52 ms |
9836 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
401 ms |
9836 KB |
Output is correct |
2 |
Correct |
430 ms |
9836 KB |
Output is correct |
3 |
Correct |
411 ms |
9836 KB |
Output is correct |
4 |
Correct |
389 ms |
9944 KB |
Output is correct |
5 |
Correct |
381 ms |
9836 KB |
Output is correct |
6 |
Correct |
380 ms |
9836 KB |
Output is correct |
7 |
Correct |
390 ms |
9836 KB |
Output is correct |
8 |
Correct |
398 ms |
9836 KB |
Output is correct |
9 |
Correct |
414 ms |
9836 KB |
Output is correct |
10 |
Correct |
415 ms |
9836 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
401 ms |
9836 KB |
Output is correct |
2 |
Correct |
430 ms |
9836 KB |
Output is correct |
3 |
Correct |
411 ms |
9836 KB |
Output is correct |
4 |
Correct |
389 ms |
9944 KB |
Output is correct |
5 |
Correct |
381 ms |
9836 KB |
Output is correct |
6 |
Correct |
380 ms |
9836 KB |
Output is correct |
7 |
Correct |
390 ms |
9836 KB |
Output is correct |
8 |
Correct |
398 ms |
9836 KB |
Output is correct |
9 |
Correct |
414 ms |
9836 KB |
Output is correct |
10 |
Correct |
415 ms |
9836 KB |
Output is correct |
11 |
Incorrect |
289 ms |
9836 KB |
Integer parameter [name=a] equals to -1, violates the range [1, 10^18] |
12 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
52 ms |
9836 KB |
Output is correct |
2 |
Correct |
52 ms |
9836 KB |
Output is correct |
3 |
Correct |
52 ms |
9836 KB |
Output is correct |
4 |
Correct |
52 ms |
9836 KB |
Output is correct |
5 |
Correct |
52 ms |
9836 KB |
Output is correct |
6 |
Correct |
65 ms |
9836 KB |
Output is correct |
7 |
Correct |
53 ms |
9836 KB |
Output is correct |
8 |
Correct |
52 ms |
9836 KB |
Output is correct |
9 |
Correct |
52 ms |
9836 KB |
Output is correct |
10 |
Correct |
52 ms |
9836 KB |
Output is correct |
11 |
Correct |
52 ms |
9836 KB |
Output is correct |
12 |
Correct |
52 ms |
9836 KB |
Output is correct |
13 |
Correct |
52 ms |
9836 KB |
Output is correct |
14 |
Correct |
52 ms |
9836 KB |
Output is correct |
15 |
Correct |
52 ms |
9836 KB |
Output is correct |
16 |
Correct |
52 ms |
9836 KB |
Output is correct |
17 |
Correct |
52 ms |
9836 KB |
Output is correct |
18 |
Correct |
52 ms |
9836 KB |
Output is correct |
19 |
Correct |
53 ms |
9836 KB |
Output is correct |
20 |
Correct |
52 ms |
9836 KB |
Output is correct |
21 |
Correct |
52 ms |
9836 KB |
Output is correct |
22 |
Correct |
52 ms |
9836 KB |
Output is correct |
23 |
Correct |
401 ms |
9836 KB |
Output is correct |
24 |
Correct |
430 ms |
9836 KB |
Output is correct |
25 |
Correct |
411 ms |
9836 KB |
Output is correct |
26 |
Correct |
389 ms |
9944 KB |
Output is correct |
27 |
Correct |
381 ms |
9836 KB |
Output is correct |
28 |
Correct |
380 ms |
9836 KB |
Output is correct |
29 |
Correct |
390 ms |
9836 KB |
Output is correct |
30 |
Correct |
398 ms |
9836 KB |
Output is correct |
31 |
Correct |
414 ms |
9836 KB |
Output is correct |
32 |
Correct |
415 ms |
9836 KB |
Output is correct |
33 |
Incorrect |
289 ms |
9836 KB |
Integer parameter [name=a] equals to -1, violates the range [1, 10^18] |
34 |
Halted |
0 ms |
0 KB |
- |