1
GATE CSE 2024 Set 1
MCQ (Single Correct Answer)
+1
-0.33

Consider the following C program:


#include <stdio.h>
void fX();
int main() {
   fX();
   return 0;}


void fX() {
   char a;
   if ((a = getchar()) != '\n')
       fX();
   if (a != '\n')
       putchar(a);}

Assume that the input to the program from the command line is 1234 followed by a newline character. Which one of the following statements is CORRECT?

A

The program will not terminate

B

The program will terminate with no output

C

The program will terminate with 4321 as output

D

The program will terminate with 1234 as output

2
GATE CSE 2022
MCQ (Single Correct Answer)
+1
-0.33

What is printed by the following ANSI C program?


  #include <stdio.h>
  int main(int argc, char *argv[ ]) {
    int a[3][3][3] = {{1, 2, 3, 4, 5, 6, 7, 8, 9},
        {10, 11, 12, 13, 14, 15, 16, 17, 18},
        {19, 20, 21, 22, 23, 24, 25, 26, 27}};
    int i = 0, j = 0, k = 0;
    for(i = 0; i < 3; i++) {
        for(k = 0; k < 3; k++)
              printf("%d"",a[i][j][k]);
        printf("\n");
    }
   return 0;
   }

A
$$\matrix{ 1 & 2 & 3 \cr {10} & {11} & {12} \cr {19} & {20} & {21} \cr } $$
B
$$\matrix{ 1 & 4 & 7 \cr {10} & {13} & {16} \cr {19} & {22} & {25} \cr } $$
C
$$\matrix{ 1 & 2 & 3 \cr 4 & 5 & 6 \cr 7 & 8 & 9 \cr } $$
D
$$\matrix{ 1 & 2 & 3 \cr {13} & {14} & {15} \cr {25} & {26} & {27} \cr } $$
3
GATE CSE 2019
Numerical
+1
-0.33
Consider the following C program:

        #include < stdio.h >
         int jumble (int x, int y)  {
               x = 2 * x + y ;
               return x ;
         }
         int main ( )  {
               int x=2, y=5 ;
               y = jumble (y, x) ;
               x = jumble (y, x) ;
               printf ("%d \n", x) ;
               return 0 ;
         }


The value printed by the program is ______.
Your input ____
4
GATE CSE 2018
Numerical
+1
-0
Consider the following C program:
#include < stdio.h >
  int counter = 0;
  int calc (int a, int b) {
  int c;
  counter++;
  if (b==3) return (a*a*a);
  else {
    c = calc(a, b/3);
    return (c*c*c);
 }
}
int main (){
  calc(4, 81);
  printf ("%d", counter);
}
The output of this program is _____.
Your input ____
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