Suduko Solver Recursion

#1

code link : https://ide.codingblocks.com/s/191494

my code in not producing output i have checked it properly help me sir

#2

added comments where i have made updates

#3

there is no update in my previous code, it’s still not working

#4

sir yeh code chal raha h bilkul theek code h u can run and check