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Submission #473853

# Submission time Handle Problem Language Result Execution time Memory
473853 2021-09-16T10:34:44 Z SaraMostafa Euklid (COCI20_euklid) C++14
35 / 110
 216 ms 312 KB 
#include <bits/stdc++.h>
#include<unordered_map>
using namespace std;
#define ll long long
#define endl "\n"
#define Sara ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
const long long mod=1e9+7;
const double PI=acos(-1);
// 1 2 3 --> 1,2,3 ...1,2..1,3..1..2,3..2..3..none (2 power number of elements)
//1 2 3 --> 2--> 1,2..1,3..2,3..(!n/(r!(n-r)!)) aka:ncr
// 1 2 3 -->2-->1,2..2,1..1,3..3,1..2,3..3,2..(n!/(n-r)!) aka:npr
//1 2 3--> 1..1,2..1,2,3..2..2,3..3  number of subarrays -->(n*(n+1))/2 "sum of numbers from 1 to n."
/*
ll power(ll x,ll y)
{
    if(y==0)
        return 1;
    else if(y==1)
        return x%mod;
    ll  r=power(x%mod,((y%mod)/2)%mod);
    if(y%2==0)
        return ((r%mod)*(r%mod));
    else
        return ((r%mod)*(r%mod)*(x%mod));
}

ll inverse(ll md,ll x)
{
    return power(x%mod,mod-2);
}

*/
ll r(ll a,ll b)
{
    while(a>1 && b>1)
    {
        if(a<b)
            swap(a,b);
        a/=b;

    }
    if(a==1)
        return b;
    else
        return a;
}
int main()
{
    //freopen("input.in","r",stdin);

    Sara
    int t;
    cin>>t;
    while(t--)
    {
        ll h,g;
        cin>>g>>h;
        ll ans1=-1,ans2=-1;
        for(int i=1; i<=1000; i++)
        {
            ll a=g*i;
            for(int j=i; j<=1000; j++)
            {
                ll b=g*j;
                if(__gcd(a,b)==g && r(a,b)==h)
                {
                    ans1=a;
                    ans2=b;
                    break;
                }
            }
            if(ans1!=-1)
                break;
        }
        cout<<ans1<<' '<<ans2<<endl;
    }

    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 304 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 204 KB Output is correct
2 Correct 4 ms 312 KB Output is correct
3 Correct 3 ms 312 KB Output is correct
4 Correct 2 ms 204 KB Output is correct
5 Correct 2 ms 204 KB Output is correct
6 Correct 2 ms 204 KB Output is correct
7 Correct 2 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 2 ms 204 KB Output is correct

Subtask #5
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 204 KB Output is correct
2 Correct 4 ms 312 KB Output is correct
3 Correct 3 ms 312 KB Output is correct
4 Correct 2 ms 204 KB Output is correct
5 Correct 2 ms 204 KB Output is correct
6 Correct 2 ms 204 KB Output is correct
7 Correct 2 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 2 ms 204 KB Output is correct
11 Incorrect 216 ms 204 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 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 304 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 5 ms 204 KB Output is correct
24 Correct 4 ms 312 KB Output is correct
25 Correct 3 ms 312 KB Output is correct
26 Correct 2 ms 204 KB Output is correct
27 Correct 2 ms 204 KB Output is correct
28 Correct 2 ms 204 KB Output is correct
29 Correct 2 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 2 ms 204 KB Output is correct
33 Incorrect 216 ms 204 KB Integer parameter [name=a] equals to -1, violates the range [1, 10^18]
34 Halted 0 ms 0 KB -