ironfist2 / ai

Basic Machine Learning Codes

#include #include using namespace std;

string fillarray(string arr, int n) { int temp = 10; while (true) { int t = n%temp; arr = to_string((long long int)t) + arr; if (n < temp) break; n = n/temp; } return arr; }

string factorial(string arr, int n, int back, int carry) { if (n == 0) return arr; int temp = (arr[back] - 48) * n + carry; if (temp == 0 && back != arr.size()-1) return factorial(arr, n-1, arr.size()-1, 0); arr[back] = (temp%10); carry = temp/10; back --; return factorial(arr, n, back, carry); }

void solve(int n) { string arr; arr = fillarray(arr, n); arr = factorial(arr, n-1, arr.size()-1, 0); cout << arr << endl; return ; }

int main(){ int tc; cin >> tc; for (int t = 0; t < tc; t++) { int n; cin >> n; solve(n); } return 0; }