#include <bits/stdc++.h>
using namespace std;
#define all(v) v.begin(), v.end()
typedef long long ll;
const int NMAX = 3e5 + 5;
ll n, x, k, m[NMAX], sz;
vector<ll> d;
ll gcd(ll a, ll b){
if(!b) return a;
return gcd(b, a % b);
}
int chk(ll& x){
for(int i = 0; i < sz; i++)
if(m[i] % x == 0) return 0;
return 1;
}
int main(void){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> k;
for(int i = 0; i < k; i++) cin >> m[i], m[i] = gcd(m[i], n);
sort(m, m + k - 1);
for(int i = 0; i < k - 1; i++) if(m[i] != m[i + 1]) m[sz++] = m[i];
x = m[k - 1];
for(ll i = 1; i * i <= x; i++)
if(x % i == 0){
d.emplace_back(i);
d.emplace_back(x / i);
}
sort(all(d));
for(ll& x : d) if(chk(x)) {
cout << n / x; break;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
2 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
9 ms |
320 KB |
Output is correct |
4 |
Correct |
13 ms |
452 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
2 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
73 ms |
460 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
312 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
90 ms |
324 KB |
Output is correct |
4 |
Correct |
62 ms |
468 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
68 ms |
212 KB |
Output is correct |
2 |
Correct |
2 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
77 ms |
556 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
91 ms |
560 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
3 ms |
212 KB |
Output is correct |
3 |
Correct |
64 ms |
316 KB |
Output is correct |
4 |
Correct |
94 ms |
468 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
98 ms |
1088 KB |
Output is correct |
2 |
Correct |
25 ms |
1080 KB |
Output is correct |
3 |
Correct |
318 ms |
1316 KB |
Output is correct |
4 |
Correct |
796 ms |
1856 KB |
Output is correct |
5 |
Correct |
209 ms |
1456 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
66 ms |
1804 KB |
Output is correct |
2 |
Correct |
59 ms |
1824 KB |
Output is correct |
3 |
Correct |
138 ms |
2068 KB |
Output is correct |
4 |
Correct |
663 ms |
1784 KB |
Output is correct |
5 |
Correct |
265 ms |
2224 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
76 ms |
2196 KB |
Output is correct |
2 |
Correct |
86 ms |
2264 KB |
Output is correct |
3 |
Correct |
351 ms |
2524 KB |
Output is correct |
4 |
Correct |
741 ms |
2524 KB |
Output is correct |
5 |
Correct |
268 ms |
2648 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
69 ms |
2148 KB |
Output is correct |
2 |
Correct |
86 ms |
2216 KB |
Output is correct |
3 |
Correct |
477 ms |
2492 KB |
Output is correct |
4 |
Correct |
798 ms |
2556 KB |
Output is correct |
5 |
Correct |
283 ms |
2636 KB |
Output is correct |