What will be the output of given program?
#include<stdio.h>
void main()
{
int a=3;
for(;a;printf("%d ", a--);
}
#include<stdio.h>
void main()
{
int a=3;
for(;a;printf("%d ", a--);
}
A. no output
B. 3 2 1 0
C. 3 2 1
D. infinity loop
Answer: Option C
Solution(By Examveda Team)
Decrement operator in for
loop statement are executed until the condition is true.
So it is executed till "a" not equal to zero and printf statement inside for
loop print a value of "a"
Which control structure is used to repeatedly execute a block of code in C?
A. for loop
B. if statement
C. switch case
D. while loop
In C, what is the purpose of the 'break' statement within a loop?
A. Continue to the next iteration
B. Exit the program
C. Terminate the loop and exit it
D. Skip the current iteration
What is the purpose of the 'else' statement in C's 'if-else' control structure?
A. Execute the 'if' block
B. Execute the 'else' block
C. Execute both 'if' and 'else' blocks
D. Skip the 'if' block
Which control structure is used to make a decision between two or more alternatives in C?
A. switch case
B. for loop
C. if statement
D. while loop
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