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How many times the cout statement will executes for the following code?for(j=1;j<=10;j =j-1) { cout<<”Print J 10 times”; }

Question

How many times the cout statement will execute for the following code?

for(j=1; j&lt;=10; j = j-1) {
   cout &lt;&lt; &quot;Print J 10 times&quot;;
}
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Solution

Break Down the Problem

  1. Understand the Loop: We have a for-loop with the initialization, condition, and increment specified as:

    • Initialization: j = 1
    • Condition: j <= 10
    • Increment: j = j - 1
  2. Analyze the Loop Behavior: The loop starts with j initialized to 1 and will continue to execute as long as j is less than or equal to 10. However, the increment decreases j rather than increasing it.

Relevant Concepts

  1. For-Loop Structure: A typical for-loop executes the block of code as long as the condition evaluates to true.
  2. Infinite Loop Recognition: Since j starts at 1 and is decremented, the condition j <= 10 will always be true for all iterations, as j will continuously take negative values.

Analysis and Detail

  1. Initial State: At the start, j = 1 (which is true for the condition).
  2. First Execution: The loop prints "Print J 10 times".
  3. Subsequent Values: After the first iteration, j becomes 0, then -1, -2, etc. The statement continues executing because the condition remains true.
  4. Conclusion: Thus, the loop does not terminate properly and creates an infinite loop situation.

Verify and Summarize

  • Since the value of j decreases indefinitely, the loop does not exit and will execute the cout statement endlessly.

Final Answer

The cout statement will execute infinitely due to the decrementing value of j.

This problem has been solved

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