| 6 | using namespace std; |
| 7 | |
| 8 | long long power(long long b, long long e, long long mod) { |
| 9 | long long res = 1; |
| 10 | while (e) { |
| 11 | if (e & 1) |
| 12 | res = res * b % mod; |
| 13 | b = b * b % mod; |
| 14 | e >>= 1; |
| 15 | } |
| 16 | return res; |
| 17 | } |
| 18 | |
| 19 | long long gcd(long long a, long long b) { |
| 20 | if (a == 0) |
nothing calls this directly
no outgoing calls
no test coverage detected