People are often advised to do all sorts of crazy things, most of which have no evidence behind them.
However, over the years, scientists have found a number of strategies that seem to be effective.
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Given an array A of strings made only from lowercase letters, return a list of all characters that show up in all strings within the list (including duplicates). For example, if a character occurs 3 ...
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Given an integer n and an integer start.
Define an array nums where nums[i] = start + 2*i (0-indexed) and n == nums.length.
Return the bitwise XOR of all elements of nums.
Example 1:
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A 'meteorite'-like object fell from the sky in Sanchore town of Rajasthan's Jalore district on Friday early morning, creating a 2-3 feet deep crater.
People residing near the area where the object was found ...
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On an 8 x 8 chessboard, there is one white rook. There also may be empty squares, white bishops, and black pawns. These are given as characters 'R', '.', 'B', and 'p' respectively. Uppercase characters ...
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Soon after Sushant Singh Rajput’s lifeless body was found hanging at his residence in Mumbai’s Bandra on June 14, Mumbai Police began an investigation and recorded the statement of his girlfriend, actress Rhea Chakraborty. Now, ...
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We have an array A of integers, and an array queries of queries.
For the i-th query val = queries[i][0], index = queries[i][1], we add val to A[index]. Then, the answer to the i-th query ...
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Mumbai-based Glenmark Pharmaceuticals have launched a new antiviral drug - Favipiravir with brand name FabiFlu - for the treatment of mild to moderate Covid-19 patients. The firm has become the first Indian company to commercially ...
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Given an array A of integers, return true if and only if we can partition the array into three non-empty parts with equal sums.
Formally, we can partition the array if we can find indexes ...
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In a list of songs, the i-th song has a duration of time[i] seconds.
Return the number of pairs of songs for which their total duration in seconds is divisible by 60. Formally, we want ...
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For a non-negative integer X, the array-form of X is an array of its digits in left to right order. For example, if X = 1231, then the array form is [1,2,3,1].
Given the array-form ...
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The untimely demise of Sushant Singh Rajput has left a permanent void in the hearts of his fans. And now, a 21-year-old woman, who was an ardent fan of the actor, allegedly committed suicide at ...
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