Codeforces EDU Two pointer problem issue

https://ide.geeksforgeeks.org/kVzWqbVO4M
Getting error on 2nd testcase I am not able to figure out somebody help

Problem Link ?

Link to the problem: C. Number of Equal

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Increase the j pointer while A_j is less than B_i. Consider this test-case.

2 2
1 4
3 4

Correct answer should be one. code

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