C Control Statement Test – 2

1. What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

    #include <stdio.h>
    void main()
    {
        int ch;
        printf("enter a value between 1 to 2:");
        scanf("%d", &ch);
        switch (ch, ch + 1)
        {
           case 1:
              printf("1\n");
              break;
           case 2:
              printf("2");
              break;
        }
    } 

2. What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

    #include <stdio.h>
    void main()
    {
        char *ch;
        printf("enter a value between 1 to 3:");
        scanf("%s", ch);
        switch (ch)
        {
           case "1":
              printf("1");
              break;
           case "2":
              printf("2");
              break;
        }
    } 

3. What will be the output of the following C code? (Assuming that we have entered the value 2 in the standard input)

    #include <stdio.h>
    void main()
    {
        int ch;
        printf("enter a value between 1 to 2:");
        scanf("%d", &ch);
        switch (ch)
        {
           case 1:
              printf("1\n");
              break;
              printf("hi");
           default:
              printf("2\n");
        }
    } 

4. What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

    #include <stdio.h>
    void main()
    {
        int ch;
        printf("enter a value between 1 to 2:");
        scanf("%d", &ch);
        switch (ch)
        {
           case 1:
              printf("1\n");
           default:
              printf("2\n");
        }
    } 

5. What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

    #include <stdio.h>
    void main()
    {
        double ch;
        printf("enter a value between 1 to 2:");
        scanf("%lf", &ch);
        switch (ch)
        {
           case 1:
              printf("1");
              break;
           case 2:
              printf("2");
              break;
        }
    } 

6. What will be the output of the following C code?

    #include <stdio.h>
    int main()
    {
        int x = 97;
        switch (x)
        {
           case 'a':
              printf("yes ");
              break;
           case 97:
              printf("no\n");
              break;
        }
    } 

7. What will be the output of the following C code?

    #include <stdio.h>
    int main()
    {
        float f = 1;
        switch (f)
        {
           case 1.0:
              printf("yes\n");
              break;
           default:
              printf("default\n");
        }
    } 

8. What will be the output of the following C code?

    #include <stdio.h>
    int main()
    {
        int a = 1, b = 1;
        switch (a)
        {
           case a*b:
              printf("yes ");
           case a-b:
              printf("no\n");
              break;
        }
    }