답안 #872172

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
872172	2023-11-12T12:24:04 Z	SalihSahin	Euklid (COCI20_euklid)	C++14	75 / 110	736 ms	600 KB

euklid

#include<bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define int long long 
using namespace std;

const int N = 4e6 + 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 a1 = 0, a2 = 0;

        for(int i = g; i <= N; i += g){
            int l = i * h / 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<<a1<<" "<<a2<<endl;
    }
    /*
    vector<pair<int, int> > test;
    vector<pair<int, int> > cantsolve;
    for(int i = 1; i < 50; i++){
        for(int j = 2; j < 50; j++){
            test.pb(mp(i, j));
        }
    }

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

        if(g == h){
            continue;
        }

        int a = g * (h/g + (h%g ? 1 : 0));
        int b = -1;
        for(int i = g; i <= N; i += g){
            if(gcd(i, a) == g && r(i, a) == h){
                b = i;
                break;
            }
        }
        if(b > 0) continue;

        cantsolve.pb(mp(g, h));
    }

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

        int a = -1, b = -1;

        for(int i = g; i <= N; i += g){
            for(int j = i; j <= N; j += g){
                if(gcd(i, j) == g && r(i, j) == h) a = i, b = j;
                if(a > 0) break;
            }
            if(a > 0) break;
        }

        cout<<g<<" "<<h<<" ans = "<<a<<" "<<b<<endl;
    }
    */
    return 0;
}

Subtask #1
4.0 / 4.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	344 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct

Subtask #3
8.0 / 8.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	600 KB	Output is correct
7	Correct	344 KB	Output is correct
8	Correct	348 KB	Output is correct

Subtask #4
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 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	1 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

Subtask #5
40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 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	1 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	348 KB	Output is correct
12	Correct	10 ms	348 KB	Output is correct
13	Correct	10 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	21 ms	348 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	496 KB	Output is correct
21	Correct	29 ms	348 KB	Output is correct
22	Correct	25 ms	344 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	4 ms	348 KB	Output is correct
31	Correct	26 ms	548 KB	Output is correct
32	Correct	3 ms	348 KB	Output is correct

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	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	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	344 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	348 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	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	600 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	10 ms	348 KB	Output is correct
35	Correct	10 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	21 ms	348 KB	Output is correct
40	Correct	0 ms	344 KB	Output is correct
41	Correct	0 ms	348 KB	Output is correct
42	Correct	1 ms	496 KB	Output is correct
43	Correct	29 ms	348 KB	Output is correct
44	Correct	25 ms	344 KB	Output is correct
45	Correct	0 ms	348 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	0 ms	344 KB	Output is correct
48	Correct	0 ms	348 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	1 ms	348 KB	Output is correct
52	Correct	4 ms	348 KB	Output is correct
53	Correct	26 ms	548 KB	Output is correct
54	Correct	3 ms	348 KB	Output is correct
55	Incorrect	736 ms	348 KB	Integer parameter [name=a] equals to 0, violates the range [1, 10^18]
56	Halted	0 ms	0 KB	-

답안 #872172

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 8.0 / 8.0

Subtask #3 8.0 / 8.0

Subtask #4 15.0 / 15.0

Subtask #5 40.0 / 40.0

Subtask #6 0 / 35.0

Subtask #1
4.0 / 4.0

Subtask #2
8.0 / 8.0

Subtask #3
8.0 / 8.0

Subtask #4
15.0 / 15.0

Subtask #5
40.0 / 40.0

Subtask #6
0 / 35.0