Please check code for Pairing problem

#1
#2

For this input
2 1
0 1
Your Output 2
Correct Output 0

for input
5 1
0 1
Your Output 8
correct Output 9

try to resolve these issues at your own first
then i will help you

#3

Coding Blocks IDE
resolved the issues…still not passing

#4

i have done some changes
check the modified code

problem in your calculation

#5

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