https://www.acmicpc.net/problem/6463#include #include #include #include #include #include #include using namespace std;int lastNonZeroDigitOfFactorial(int n) { int result = 1; int two_count = 0, five_count = 0; for (int i = 1; i > num || !cin.eof()) { int lastNonZeroDigit = lastNonZeroDigitOfFactorial(num); cout "; cout