2 testcases are wrong please help

#1

My code: https://ide.codingblocks.com/s/654333

#2

hi @mitrapranav0027_5d705c8b616e0add
U have to print the nodes in sorted order… so use a vector/array to store the nodes, then sort them and print… if no node is present then u will have to print 0…
Refer this code -->

#3

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