How to convert a single char to int? ++How to add two integers without using arithmetic operators?

How to convert a single char to int? ++

GNU C ++Compiler (g ++）is a compiler in Linux used to compile C ++The program compiles two files with extensions .c and .cpp into C ++file.

The following is used to compile a C ++The compiler command for the program.

How to convert a single char to int?++　program.cpp　-o filename

Here,

filename-The filename with an extension of .c or .cpp.

The following is an example using g ++Compiler Example.

Example

#include <iostream>
using namespace std;
int main() {
　　　int a =　20;
　　　cout << "The value of a: " << a;
　　　return 0;
}

Output Result

$g++　-o main　*.cpp
$main
The value of a:　20

Gulf Cooperation Council

The GNU C compiler (gcc) is a compiler in Linux used to compile C programs. It compiles files with the extension “.c”.

The following is the compiler command used to compile a C program.

gcc program.c　-o filename

Here,

filename-The name of the file with an extension of .c.

The following is an example using the gcc compiler.

Example

#include <stdio.h>
int main() {
　　　int a =　20;
　　　printf("The value of a: %d", a);
　　　return 0;
}

Output Result

$gcc　-o main　*.c
$main
The value of a:　20