The answer
Ensure the variable evaluated in the condition is always modified inside the loop body in a direction that moves it closer to the terminating state.
Infinite Loops: What They Are and How to Avoid Them
How can I prevent infinite loops in while loops?
More FAQs in Infinite Loops: What They Are and How to Avoid Them
An infinite loop is a sequence of instructions that continues to execute endlessly because its terminating condition is never met.
In the terminal, you can usually stop it by pressing Ctrl+C. In an IDE, use the Stop execution button.
A TLE error almost always means your code entered an infinite loop, or your algorithm is too slow (e.g., O(n^2) when O(n) is expected).
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