정화 코딩

https://www.acmicpc.net/problem/1629 #include using namespace std;long long divpow(long long a, long long b, long long c) { if (b == 1) return a % c; long long tmp = divpow(a, b / 2, c) % c; if (b % 2 == 0) return (tmp * tmp) % c; else return (((tmp * tmp) % c) * (a % c)) % c;}int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long a, b, c; cin >>..