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Submission #872175

# Submission time Handle Problem Language Result Execution time Memory
872175 2023-11-12T12:33:30 Z SalihSahin Euklid (COCI20_euklid) C++14
20 / 110
 1000 ms 348 KB 
#include<bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define int long long 
using namespace std;

const int N = 4e10 + 5;
const int mod = 1e9+7;
const int inf = 1e18 + 10;
const int L = 20 * 20 * 20;

int gcd(int a, int b){
    if(a < b) swap(a, b);
    if(b == 0) return a;
    return gcd(b, a%b);
}

int R(int a, int b){
    if(a < b) swap(a, b);
    if(b == 1) return a;
    return R(a/b, b);
}

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int t;
    cin>>t;
    while(t--){
        int g, h;
        cin>>g>>h;
        int a = g;
        while(h*h > a) a *= h;

        int a1 = 0, a2 = 0;

        for(int i = g; i <= N; i += g){
            //int l = i * h / g * g - g;
            //for(int j = l; j < i * (h + 1); j += g){
                if(gcd(i, a) == g && R(i, a) == h){
                    a1 = i, a2 = a;
                    break;
                }
            //}

            //if(a1 > 0) break;
        }

        cout<<a1<<" "<<a2<<endl;
    }
    
    /*
    vector<pair<int, int> > test;
    for(int i = 100; i < 300; i++){
        for(int j = 2; j < 6; j++){
            test.pb(mp(i, j));
        }
    }

    for(auto itr: test){
        int g = itr.first, h = itr.second;

        int a1 = 0, a2 = 0;

        for(int i = g; i <= N; i += g){
            int l = i * h / g * g - g;
            for(int j = l; j < i * (h + 1); j += g){
                if(gcd(i, j) == g && R(i, j) == h){
                    a1 = i, a2 = j;
                    break;
                }
            }

            if(a1 > 0) break;
        }

        cout<<g<<" "<<h<<" -> "<<a1<<" "<<a2<<endl;
    }
    */
    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 348 KB Output is correct
2 Execution timed out 1091 ms 348 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 348 KB Output is correct
2 Execution timed out 1091 ms 348 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 6 ms 348 KB Output is correct
24 Execution timed out 1091 ms 348 KB Time limit exceeded
25 Halted 0 ms 0 KB -