plz help (urgently)

my ques is :

my code is :

shows tle

please check my solution as it shows tle for the last case

What a nice solution!
Assuming the computer can make roughly 10^8 simple operations in a second, T=1, N=10^11 your O(N^4) solution will take only 3*10^28 years for the answer of a single test case to come. You can wait till then and note down the answer and just report it!

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i am a new user thats why i am asking

i am a beginner thats why i am asking