online compiler and debugger for c/c++

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/****************************************************************************** Welcome to GDB Online. GDB online is an online compiler and debugger tool for C, C++, Python, Java, PHP, Ruby, Perl, C#, VB, Swift, Pascal, Fortran, Haskell, Objective-C, Assembly, HTML, CSS, JS, SQLite, Prolog. Code, Compile, Run and Debug online from anywhere in world. *******************************************************************************/ #include <stdio.h> #include <iostream> #include <cstring> #include <algorithm> using namespace std; int F(int n){ if(n == 0){ return 1; } return n * F(n - 1); } int main() { int n; cin >> n; cout << F(n) <<endl; return 0; }

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