Wrong answer in output everywhere else gets accepted
hello @shibangi
a) you are passing m-1 , since its size u need to pass m
b) check the output format u are asked to take modulo with 10^9+7
c) analyse the space complexity of ur solution , it quadratic becuase of with u may get run error or mle becuase of high memory usage try to solve it in O(SUM) space complexity
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