Find the output of C programs

Program 1

codeaft.c

#include <stdio.h>
int main()
{
    int x = 5;
    if (x == 5)
        printf("%d\n", !x);
    else
        printf("%d\n", x);
    return 0;
}

Show Output

codeaft@codeaft:~$ gcc codeaft.c
codeaft@codeaft:~$ ./a.out
0
codeaft@codeaft:~$

Program 2

codeaft.c

#include <stdio.h>
int main()
{
    int x = 0;
    if (!x)
        printf("%d\n", !x);
    else
        printf("%d\n", x);
    return 0;
}

Show Output

codeaft@codeaft:~$ gcc codeaft.c
codeaft@codeaft:~$ ./a.out
1
codeaft@codeaft:~$

Program 3

codeaft.c

#include <stdio.h>
int main()
{
    int x = 5;
    if (x)
        printf("%d\n", !x);
    else
        printf("%d\n", x);
    return 0;
}

Show Output

codeaft@codeaft:~$ gcc codeaft.c
codeaft@codeaft:~$ ./a.out
0
codeaft@codeaft:~$

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C Loops