답안 #374499

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
374499	2021-03-07T10:42:52 Z	topovik	Euklid (COCI20_euklid)	C++14	35 / 110	19 ms	640 KB

euklid

#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 = 1e2 + 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;
    }
}

Subtask #1

4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	620 KB	Output is correct
2	Correct	2 ms	620 KB	Output is correct
3	Correct	2 ms	620 KB	Output is correct
4	Correct	2 ms	620 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct

Subtask #2

8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	620 KB	Output is correct
2	Correct	2 ms	620 KB	Output is correct
3	Correct	2 ms	620 KB	Output is correct
4	Correct	2 ms	620 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	2 ms	620 KB	Output is correct
7	Correct	3 ms	620 KB	Output is correct
8	Correct	2 ms	620 KB	Output is correct
9	Correct	2 ms	620 KB	Output is correct

Subtask #3

8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	620 KB	Output is correct
2	Correct	2 ms	620 KB	Output is correct
3	Correct	2 ms	620 KB	Output is correct
4	Correct	3 ms	620 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	3 ms	620 KB	Output is correct
7	Correct	2 ms	620 KB	Output is correct
8	Correct	2 ms	620 KB	Output is correct

Subtask #4

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	640 KB	Output is correct
2	Correct	16 ms	620 KB	Output is correct
3	Correct	16 ms	620 KB	Output is correct
4	Correct	17 ms	620 KB	Output is correct
5	Correct	17 ms	620 KB	Output is correct
6	Correct	17 ms	620 KB	Output is correct
7	Correct	17 ms	620 KB	Output is correct
8	Correct	19 ms	620 KB	Output is correct
9	Correct	18 ms	620 KB	Output is correct
10	Correct	18 ms	620 KB	Output is correct

Subtask #5

0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	640 KB	Output is correct
2	Correct	16 ms	620 KB	Output is correct
3	Correct	16 ms	620 KB	Output is correct
4	Correct	17 ms	620 KB	Output is correct
5	Correct	17 ms	620 KB	Output is correct
6	Correct	17 ms	620 KB	Output is correct
7	Correct	17 ms	620 KB	Output is correct
8	Correct	19 ms	620 KB	Output is correct
9	Correct	18 ms	620 KB	Output is correct
10	Correct	18 ms	620 KB	Output is correct
11	Incorrect	9 ms	620 KB	Integer parameter [name=a] equals to -1, violates the range [1, 10^18]
12	Halted	0 ms	0 KB	-

Subtask #6

0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	620 KB	Output is correct
2	Correct	2 ms	620 KB	Output is correct
3	Correct	2 ms	620 KB	Output is correct
4	Correct	2 ms	620 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	2 ms	620 KB	Output is correct
7	Correct	2 ms	620 KB	Output is correct
8	Correct	2 ms	620 KB	Output is correct
9	Correct	2 ms	620 KB	Output is correct
10	Correct	2 ms	620 KB	Output is correct
11	Correct	2 ms	620 KB	Output is correct
12	Correct	3 ms	620 KB	Output is correct
13	Correct	2 ms	620 KB	Output is correct
14	Correct	2 ms	620 KB	Output is correct
15	Correct	2 ms	620 KB	Output is correct
16	Correct	2 ms	620 KB	Output is correct
17	Correct	2 ms	620 KB	Output is correct
18	Correct	3 ms	620 KB	Output is correct
19	Correct	2 ms	620 KB	Output is correct
20	Correct	3 ms	620 KB	Output is correct
21	Correct	2 ms	620 KB	Output is correct
22	Correct	2 ms	620 KB	Output is correct
23	Correct	15 ms	640 KB	Output is correct
24	Correct	16 ms	620 KB	Output is correct
25	Correct	16 ms	620 KB	Output is correct
26	Correct	17 ms	620 KB	Output is correct
27	Correct	17 ms	620 KB	Output is correct
28	Correct	17 ms	620 KB	Output is correct
29	Correct	17 ms	620 KB	Output is correct
30	Correct	19 ms	620 KB	Output is correct
31	Correct	18 ms	620 KB	Output is correct
32	Correct	18 ms	620 KB	Output is correct
33	Incorrect	9 ms	620 KB	Integer parameter [name=a] equals to -1, violates the range [1, 10^18]
34	Halted	0 ms	0 KB	-