Problem in code for sudoku solver

#1

I am facing a problem with this code. Kindly tell me what is the mistake; it is not showing any output.
https://ide.codingblocks.com/s/50137

#2

this is the link to my code

#3

Hey Avanik, your canplace function was not correct and you haven’t used the return statement inside if checks of solveSudoku function. I have corrected the mistakes in your code you can refer this.