Submission #792396

#	Time	Username	Problem	Language	Result	Execution time	Memory
792396		1075508020060209tc	Euklid (COCI20_euklid)	C++14	35 / 110	1 ms	464 KiB

euklid

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,popcnt,sse4,abm")
#include<bits/stdc++.h>
//#pragma GCC target("popcnt")
using namespace std;
//#define int long long
#define X first
#define Y second
int G;int H;
int ttt;
int ek(int a,int b){
if(a<b){return ek(b,a);}
if(b==1){return a;}
return ek(a/b,b);
}

vector<pair<int,int>>co;

void solve(){
cin>>G>>H;
/*
for(int i=1;i<=3000;i++){
    for(int j=1;j<=4000;j++){
        if(ek(i*G,j*G)==H&&__gcd(i,j)==1){
            cout<<i*G<<" "<<j*G<<endl;return;
        }
    }
}*/

for(int i=0;i<co.size();i++){
    int a=G*co[i].first;int b=G*co[i].second;
    if(ek(a,b)==H){
        cout<<a<<" "<<b<<endl;return;
    }
}

}
int dp[2000006];

signed main()
{
    cin.tie(0);
    ios_base::sync_with_stdio(0);
    for(int i=1;i<=20;i++){
        for(int j=1;j<=441;j++){
            if(__gcd(i,j)==1){
                co.push_back({i,j});
            }
        }
    }


    cin>>ttt;
    while(ttt--)solve();


}

Compilation message (stderr)

euklid.cpp: In function 'void solve()':
euklid.cpp:30:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 | for(int i=0;i<co.size();i++){
      |             ~^~~~~~~~~~

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