Getting test cases wronng https://ide.codingblocks.com/s/188691
@Faizan-Ali-1395131367301898 Its incorrect because the way you are calculating total ways is wrong.
Lets say you have three components with x1,x2 and x3 elements respectively . Then you are calculating the answer to be x1 * x2 * x3 whereas it should be x1 * x2+x1 * x3+x2 * x3, just basic P&C.
How are you solving for isolated vertices? Your code gives ans to be 0 for input
5 0
whereas it should be 15
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