Why is my code not giving any output

#1
#2

hello @Souradeep-Kundu-824545687968212
pass ur map by reference .
ie

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image735×24 1.56 KB

should be
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image824×27 1.62 KB

for reason -> please read the differnce between pass by value and pass by reference.

#3

https://ide.codingblocks.com/s/225851 why this works without &

#4

because array is always passed by pointer.

read the difference between pass by value,pass by reference and pass by pointer.

#5

can you provide a good source geeks of geeks has a very simple and basic example which doesn’t solve my problems, thnx.

#6