Question

Can you please translate this code from Java to C++;

These are the only libraries i am allowed to use

#include <iostream>
#include <fstream>
#include <sstream>
#include <iomanip>
#include <string>
using namespace std;

1 /* Given a string, compute recursively (no loops) a new string where all * appearances of "pi" have been replaced by "3.14". public String changepi(String str) { if(str.length() <= 1) return str; if(str.substring(0, 2).equals("pi")) return "3.14" + changepi(str.substring(2)); 11 12 return str.charAt(0) + changepi(str.substring(1)); }

Answer 1

string changePi(string str){
    if(str.length()<=1)
        return str;
    if(str.substr(0,2)=="pi")   
        return "3.14" + changePi(str.substr(2,str.length()-2));
    return str[0]+changePi(str.substr(1,str.length()-1));
}