I didn't get the ques

can u pls explain the ques

https://ide.codingblocks.com/s/575462.

pls check what’s prob in my code .

In this question, you will be given “q” queries or test cases, for each query you are given a graph and a source node, you have to tell the distance of each node in the graph from the source node and if it cannot be reached then print -1

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