how to convert char digit to int in c++ code example
Example 1: convert char to int c++
char a = '6'; //bounded by 0 and 9
int n1 = a - '0';
int n2 = a - 48;
int n3 = std::stoi(&a);Example 2: char* to int in cpp
int x = std::stoi("42")char a = '6'; //bounded by 0 and 9
int n1 = a - '0';
int n2 = a - 48;
int n3 = std::stoi(&a);int x = std::stoi("42")