Amitava, it is fantastic that you are contributing problems, but you really need to spend more time specifying what the solution should do. The person solving is left needing to guess too much.
Definitely Agree with the cyclist. W/o example it is impossible to understand the task to achieve.
The DC component of a signal is usually its mean. Now filter can have many meanings, but in this case, it means to remove the signal variation.
Read a Soroban Abacus
Energy of a photon
Multiply a column by a row
Rotate a Matrix
Is it an Armstrong number?
Minimum possible M of the maximum side of a triangle of given area A.
Have you seen any Spindromes recently?
Distance walked 1D
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