Failed to pass test cases

#1

I am failing to pass test cases 2 and 4. But when i unlocked the test cases my output for the above test cases exactly match with the specified output. But why on submitting i get failed to pass test case 2 and 4

#2

@shankhanilborthakur it is because of problem on backend side, don’t worry!
You may also submit your problem on hackerblocks(practice session -> algorithms)

#3

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