Trace the output of the given program#include<stdio.h> int main() { int k; for (k=5; k>=2; k--); { printf("%d", k); } return 0; }
Question
Trace the output of the given program#include<stdio.h> int main() { int k; for (k=5; k>=2; k--); { printf("%d", k); } return 0; }
Solution
To trace the output of the given program, let's go through it step by step:
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The program includes the standard input/output library.
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The main function is defined.
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Inside the main function, an integer variable "k" is declared.
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The for loop is initialized with "k" set to 5, the loop condition is "k>=2", and the loop decrement is "k--".
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After the for loop, there is a block of code enclosed in curly braces.
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Inside the block of code, the printf function is called to print the value of "k".
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The program then returns 0, indicating successful execution.
Now, let's trace the output:
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The for loop starts with "k" set to 5.
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The loop condition "k>=2" is true, so the loop body is executed.
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Inside the loop body, the printf function is called to print the value of "k", which is 5.
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The loop then decrements "k" by 1, making it 4.
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The loop condition "k>=2" is still true, so the loop body is executed again.
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Inside the loop body, the printf function is called to print the value of "k", which is 4.
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The loop decrements "k" by 1, making it 3.
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The loop condition "k>=2" is still true, so the loop body is executed again.
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Inside the loop body, the printf function is called to print the value of "k", which is 3.
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The loop decrements "k" by 1, making it 2.
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The loop condition "k>=2" is still true, so the loop body is executed again.
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Inside the loop body, the printf function is called to print the value of "k", which is 2.
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The loop decrements "k" by 1, making it 1.
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The loop condition "k>=2" is now false, so the loop terminates.
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The program then reaches the end and returns 0.
Therefore, the output of the program will be "5432".
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