Compilation error

Revision en2, by Medeali, 2024-05-15 15:00:25

i am trying to sort an array of structs but i am getting compiling error this is my code https://ideone.com/mQPPxI could someone help me solve the issue please

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  Rev. Lang. By When Δ Comment
en2 English Medeali 2024-05-15 15:00:25 19 Tiny change: 'e https://www.onlinegdb.com/\ncould so' -> 'e https://ideone.com/mQPPxI\ncould so'
en1 English Medeali 2024-05-15 14:45:38 179 Initial revision (published)