Vivek and birthday problem

#1

https://online.codingblocks.com/app/player/59553/content/65992/5081/code-challenge
testcase 0 is not passed

#2

@manish55cu17 dry run your code for 78 30
47 8
18 46
62 44
49 3
15 38
22 9
24 7
9 51
56 9
10 17
30 8
39 7
78 26
2 13
9 16
49 37
61 39
74 31
76 74
72 69
66 32
62 37
71 39
66 71
4 10
12 15
65 61
40 6
44 9
31 34

you should get 1 you are getting 0