conversion of string to int in c++ code example
Example 1: string to number in c++
// For C++11 and later versions
string str1 = "45";
string str2 = "3.14159";
string str3 = "31337 geek";
int myint1 = stoi(str1);
int myint2 = stoi(str2);
int myint3 = stoi(str3);
// Output
stoi("45") is 45
stoi("3.14159") is 3
stoi("31337 geek") is 31337
Example 2: c++ string to int
// EXAMPLE
std::string sStringAsString = "789";
int iStringAsInt = atoi( sStringAsString.c_str() );
/* SYNTAX
atoi( <your-string>.c_str() )
*/
/* HEADERS
#include <cstring>
#include <string>
*/