Conditional Statements

What will be the output of the following C code?

#include
void main()
{
int x = 5;
if (x < 1)
printf("hello");
if (x == 5)
printf("hi");
else
printf("no");
}
1. hi
2. hello
3. no
4. error
What will be the output of the following C code?

#include
int x;
void main()
{
if (x)
printf("hi");
else
printf("how are u");
}
1. hi
2. how are you
3. compile time error
4. error
What will be the output of the following C code?

#include
void main()
{
int x = 0;
if (x == 0)
printf("hi");
else
printf("how are u");
printf("hello");
}
1. hi
2. how are you
3. hello
4. hihello
What will be the output of the following C code?

#include
void main()
{
int x = 5;
if (x < 1);
printf("Hello");

}
1. Nothing
2. Runtime error
3. Hello
4. Varies
What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

#include
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;
}
}
1. Compile time error
2. 1
3. 2
4. Varies
What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

#include
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;
}
}
1. 1
2. 2
3. Compile time error
4. No Compile time error
What will be the output of the following C code? (Assuming that we have entered the value 2 in the standard input)

#include
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");
}
}
1. 1
2. Hi 2
3. Run time error
4. 2
What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

#include
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;
}
}
1. 1
2. 2
3. 3
4. Runtime error
What will be the output of the following C code?

#include
int main()
{
int x = 0;
if (x++)
printf("true\n");
else if (x == 1)
printf("false\n");
}
1. true
2. false
3. compile ti,e error
4. undefined behaviour
The C statement “”if (a == 1 || b == 2) {}”” can be re-written as ___________
1. if (a == 1)
  if (b == 2){}
2. if (a == 1){}
  if (b == 2){}
3. if (a == 1){}
  else if (b == 2){}
4. none of the mentioned
What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)
#include
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;
}
}
1. Compile time error
2. 1
3. 2
4. Varies
What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

#include
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;
}
}
1. 1
2. compile time error
3. 2
4. run time error
What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

#include
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");
}
}
1. 1
2. 2
3. 1 2
4. Runtime error
What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

#include
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;
}
}
1. 1
2. 2
3. 3
4. Runtime error
What will be the output of the following C code?
#include
int main()
{
int a = 1, b = 1;
switch (a)
{
case a*b:
printf("yes ");
case a-b:
printf("no\n");
break;
}
}
1. yes
2. no
3. Compile time error
4. yes no
What will be the output of the following C code?

#include
int main()
{
int x = 97;
switch (x)
{
case 'a':
printf("yes ");
break;
case 97:
printf("no\n");
break;
}
}
1. yes
2. yes no
3. Duplicate case value error
4. Character case value error
What will be the output of the following C code?

#include
int main()
{
float f = 1;
switch (f)
{
case 1.0:
printf("yes\n");
break;
default:
printf("default\n");
}
}
1. yes
2. yes default
3. Undefined behaviour
4. Compile time error
What will be the output of the following C code?

#include
#define max(a) a
int main()
{
int x = 1;
switch (x)
{
case max(2):
printf("yes\n");
case max(1):
printf("no\n");
break;
}
}
1. yes no
2. yes
3. no
4. Compile time error
What will be the output of the following C code?

#include
int main()
{
switch (printf("Do"))
{
case 1:
printf("First\n");
break;
case 2:
printf("Second\n");
break;
default:
printf("Default\n");
break;
}
}
1. Do
2. DoFirst
3. DoSecond
4. DoDefault
Which datatype can accept the switch statement?
1. int
2. char
3. long
4. all of the mentioned

Conditional Statements

Quiz