제출 #473904

#제출 시각아이디문제언어결과실행 시간메모리
473904Ahmed_SolymanEuklid (COCI20_euklid)C++14
20 / 110
1 ms292 KiB
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

ll R(ll a,ll b){
    if(a<b)return R(b,a);
    if(a>=b && b>1)return R(a/b,b);
    if(a>=b && b==1)return a;
}
int main()
{
    ll t=1;cin>>t;
    while(t--){
        ll a,b;cin>>a>>b;
        if(a==b || b==2 || a==b*b)cout<<a*b<<" "<<a<<endl;
        else{
            for(ll i=0;i<=1000;i++){
                bool b=0;
                for(ll j=0;j<=1000;j++){
                    if(R(i,j)==b && __gcd(i,j)==a){
                        cout<<i<<" "<<j<<endl;b=1;break;
                    }
                }
                if(b)break;
            }
        }
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

euklid.cpp: In function 'll R(ll, ll)':
euklid.cpp:11:1: warning: control reaches end of non-void function [-Wreturn-type]
   11 | }
      | ^
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