#include "../util.h" #include void stress_test() { ll queries = 0; for (ll i = 0; i < 10'000; i++) { int a = Random::integer(1, 100); int n = Random::integer(2, 100); ll expected = 1; ll k = 0; do { auto got = powMod(a, k, n); if (got != expected) cerr << "got: " << got << ", expected: " << expected << FAIL; k++; expected = (expected * a) % n; } while (k < 100); queries += n; } cerr << "tested queries: " << queries << endl; } constexpr int N = 1'000'000; void performance_test() { timer t; hash_t hash = 0; for (int operations = 0; operations < N; operations++) { ll a = Random::integer(0, 1'000'000'000); ll b = Random::integer(0, 1'000'000'000); ll n = Random::integer(2, 1'000'000'000); t.start(); hash += powMod(a, b, n); t.stop(); } if (t.time > 750) cerr << "too slow: " << t.time << FAIL; cerr << "tested performance: " << t.time << "ms (hash: " << hash << ")" << endl; } int main() { stress_test(); performance_test(); }