Getting mle in some cases

[paidaarpit1505_f9664148aad841e0 (Arpit Paida)]

I think i am not using any extra space but then also got mle in some cases, can you explain why?

[talhashamim001 (Talha Shamim)]

hi @paidaarpit1505_f9664148aad841e0,
refer

Coding Blocks IDE