Getting WA in SUMSUMS problem

Please check my code and help me finding where is my code getting wrong answer. This code is only getting fail on one testcase. Please help me.

sorry , the test case is little fuzzy. we will update in an hour.

Sir please help. I am not getting where it is getting fail.

dont worry , test cases are feing fixed .
move on to another question

test cases are fixed…
happy coding

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