L4_T2
unknown
c_cpp
a year ago
356 B
1
Indexable
Never
#include <iostream> #include <cmath> using namespace std; double RecrsP(int n) { return n > 1 ? pow(2*n, n) * RecrsP(n - 1) : 1; } int main() { int n; while(true) { cout << "enter n: " << endl; cin >> n; if(n > 0) break; cout << "Incorrect input values!"; } cout << RecrsP(n); return 0; }