Submission #473919

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
473919	2021-09-16 11:55:41	Ahmed57	Euklid (COCI20_euklid)	C++14	35 / 110	1109 ms	391780 KiB

euklid

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#include <bits/stdc++.h>
using namespace std;
int dp[10001][10001];
long long r(long long a,long long b){
    if(dp[a][b]!=-1)return dp[a][b];
    if(a<b)return dp[a][b]= r(b,a);
    else if(a>=b&&b>1)return dp[a][b]=r(abs(a/b),b);
    else if(a>=b&&b==1)return dp[a][b]=a;
}
int main(){
    //ios_base::sync_with_stdio(false);cin.tie(NULL);
    memset(dp,-1,sizeof dp);
    int t;cin>>t;
    z:while(t--){
        long long a,b;
        cin>>a>>b;
        if(a==b||b==2||a==b*b){
            cout<<a*b<<" "<<a<<"\n";goto z;
        }
        for(int i = 1;i<=10000;i++){
            for(int j = 1;j<=10000;j++){
                if(__gcd(i,j)==a&&r(i,j)==b){
                    cout<<i<<" "<<j<<"\n";
                    goto z;
                }
            }
        }
    }
    return 0;
}
 
 
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Compilation message (stderr)

euklid.cpp: In function 'long long int r(long long int, long long int)':
euklid.cpp:9:1: warning: control reaches end of non-void function [-Wreturn-type]
    9 | }
      | ^

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