0_0_39678329_19695.cpp: In function 'void precompute_factorials(int, int)':
0_0_39678329_19695.cpp:23:19: error: 'pow' was not declared in this scope
23 | inv_fact[n] = pow(fact[n], MOD - 2, MOD);
| ^~~
0_0_39678329_19695.cpp: In function 'int main()':
0_0_39678329_19695.cpp:106:74: error: 'pow' was not declared in this scope
106 | long long prob_covered = (1 - binom(n - c, k, MOD) * pow(binom(n, k, MOD), MOD - 2, MOD) % MOD + MOD) % MOD;
| ^~~
|