cpp string to int convert code example
Example 1: convert stirng to int c++
int thing = std::stoi(string);
Example 2: string to number in c++
string str1 = "45";
string str2 = "3.14159";
string str3 = "31337 geek";
int myint1 = stoi(str1);
int myint2 = stoi(str2);
int myint3 = stoi(str3);
stoi("45") is 45
stoi("3.14159") is 3
stoi("31337 geek") is 31337
Example 3: c++ string to int
atoi( str.c_str() )
Example 4: convert string to number c++
#include <iostream>
#include <string>
using namespace std;
main() {
string str = "12345678";
cout << stoi(str);
}
Example 5: c++ string to int
std::string sStringAsString = "789";
int iStringAsInt = atoi( sStringAsString.c_str() );