No Numerals -

Question

include <iostream>
#include <string>
using namespace std;

int main() {
string pras;
getline(cin, pras);
int z= pras.length();
int i=0;
do{

if(pras[i]=='1'){
pras.erase(i,1);
pras.insert(i,"one");
}
if(pras[i]=='2'){
pras.erase(i,1);
pras.insert(i,"two");
}
if(pras[i]=='3'){
pras.erase(i,1);
pras.insert(i,"three");
}
if(pras[i]=='4'){
pras.erase(i,1);
pras.insert(i,"four");
}
if(pras[i]=='5'){
pras.erase(i,1);
pras.insert(i,"five");
}
if(pras[i]=='6'){
pras.erase(i,1);
pras.insert(i,"six");
}
if(pras[i]=='7'){
pras.erase(i,1);
pras.insert(i,"seven");
}
if(pras[i]=='8'){
pras.erase(i,1);
pras.insert(i,"eight");
}
if(pras[i]=='9'){
pras.erase(i,1);
pras.insert(i,"nine");
}
if(pras[i]=='0'){
pras.erase(i,1);
pras.insert(i,"zero");
}

i++;
}while(i<=z);

cout<<pras;

return 0;
}

Answer 1

literally you forgot to put '#' in the iostream pre-processor.
use either switch or else if instead of just ifs