In how many ways can the templates concept be used?

#define clrscr() 59

main()

{

clrscr();

printf("%d\n", clrscr());

}

 Which of the two operators ++ and — work for the bool data type in C++? 

Which function is used to read a single character from the console in C++?

predict the Output?

#include<stdio.h>

int main()

{

        int a=5,b;

        a=a+++a+++a;

        printf("%d\n",++a);

}

Which memory allocation function will load all the assigned memory locations with the value 0?

What does the following C declaration mean?

 int (*ptr) (char*);

#include <stdio.h>

int main()

{

int check = 20, arr[] = {10, 20, 30};

switch (check)

{

case arr[0]: printf("Abekus ");

case arr[1]: printf("Quiz ");

case arr[2]: printf("AbekusQuiz");

}

return 0;

}

What is the output of the following C program?

int main()

{

  int j = 100;

  printf("%s, %d is a good score%s", (j >= 100) ? "Yes" : "No", j, (1, "...OK"));

}