Some compilers do not support itoa because it is not standard.

Solution

• • c++11: std:: to_string
  • sprintf

1. 1. 1. stdio.h
      2. char *c = new char;
sprintf(c,"%d",num);

• • stringstream

1. 1. 1. sstream.h
      2. stringstream ss; int x = 1;
ss << x;
string str = ss.str();