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Submission #374499

# Submission time Handle Problem Language Result Execution time Memory
374499 2021-03-07T10:42:52 Z topovik Euklid (COCI20_euklid) C++14
35 / 110
 19 ms 640 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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 -