Submission #473959

#	Time	Username	Problem	Language	Result	Execution time	Memory
473959		Mr_Ph	Euklid (COCI20_euklid)	C++14	20 / 110	1082 ms	204 KiB

euklid

///made by : Mr_Ph :D
#include<bits/stdc++.h>
#include<unordered_map>
typedef long long ll;
typedef long long int lli;
typedef unsigned long long ull;
using namespace std;
const double PI=acos(-1.0);
const ll mod=(ll)1e9+7;
//int dx[4] = {0, 0, 1, -1};
//int dy[4] = {1, -1, 0, 0};
///the defines :)
#define endl '\n'
#define vi vector<int>
#define vll vector<ll>
#define lower(s) transform(s.begin(),s.end(),s.begin(),::tolower)
#define upper(s) transform(s.begin(),s.end(),s.begin(),::toupper)
#define ent(arr) for(int i=0;i<arr.size();i++)cin>>arr[i];
#define all(arr) arr.begin(),arr.end()
#define allr(arr) arr.rbegin(),arr.rend()
#define sz size()
///the end of the defines ;)
ll R(ll a,ll b)
{
    if(a<b)
        return R(b,a);
    if(a>=b>1)
        return R(a/b,b);
    if(a>=b==1)
        return a;
}
void solve()
{
    ll a,b;
    cin>>a>>b;
    if(b==2)
    {
        cout<<a*2<<" "<<a<<endl;
        return;
    }
    else if(a==b*b)
    {
        cout<<a*b<<" "<<a<<endl;
        return;
    }
    else if(a==b)
    {
        cout<<a<<" "<<b<<endl;
        return;
    }
    for(ll i=1; i<=3000; i++)
    {
        for(ll k=1; k<=3000; k++)
        {
            if(__gcd(i,k)==a&&R(i,k)==b)
            {
                cout<<i<<" "<<k<<endl;
                return;
            }
        }
    }
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(0);
    //freopen("window.in","r",stdin);
    //freopen("output.txt","w",stdout);
    int t=1;//int st;
    cin>>t;//cin>>st;
    while(t--)
        solve();
}

Compilation message (stderr)

euklid.cpp: In function 'll R(ll, ll)':
euklid.cpp:27:12: warning: comparison of constant '1' with boolean expression is always false [-Wbool-compare]
   27 |     if(a>=b>1)
      |        ~~~~^~
euklid.cpp:27:9: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
   27 |     if(a>=b>1)
      |        ~^~~
euklid.cpp:29:9: warning: suggest parentheses around comparison in operand of '==' [-Wparentheses]
   29 |     if(a>=b==1)
      |        ~^~~
euklid.cpp:31:1: warning: control reaches end of non-void function [-Wreturn-type]
   31 | }
      | ^

• Subtask 1: 4 / 4
• Subtask 2: 8 / 8
• Subtask 3: 8 / 8
• Subtask 4: 0 / 15
• Subtask 5: 0 / 40
• Subtask 6: 0 / 35