12345678910111213
#include<iostream> #include<conio.h> using namespace std; void main() { char ch[20]; cout<<"Enter number"; cin>>ch; int n; n=(int)ch; cout<<"\n"<<n; getch(); }
123
#include <cstdlib> int n = atoi(ch);
12345678
#include <sstream> int num = 5; std::stringstream ss; ss << num; std::string word = ss.str(); std::cout << word << std::endl; // Will output 5