Given a m * n matrix grid which is sorted in non-increasing order both row-wise and column-wise.
Return the number of negative numbers in grid.[……]
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Given a m * n matrix grid which is sorted in non-increasing order both row-wise and column-wise.
Return the number of negative numbers in grid.[……]
Given the array of integers nums, you will choose two different indices i and j of that array. Return the maximum value of (nums[i]-1)*(nums[j]-1).[……]
On a 2-dimensional grid, there are 4 types of squares:
1 represents the starting square. There is exactly one starting square.
2 represents the e[……]
Given two integer arrays startTime and endTime and given an integer queryTime.
The ith student started doing their homework at the time startTime[i[……]
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 X[……]
Given two arrays of integers nums and index. Your task is to create target array under the following rules:
Initially target array is empty.
From[……]
Given an integer number n, return the difference between the product of its digits and the sum of its digits.
Example 1:
Input: n = 234
Outp[……]
We are given a list nums of integers representing a list compressed with run-length encoding.
Consider each adjacent pair of elements [freq, val] =[……]
Given the array nums, for each nums[i] find out how many numbers in the array are smaller than it. That is, for each nums[i] you have to count the num[……]
Given two binary trees original and cloned and given a reference to a node target in the original tree.
The cloned tree is a copy of the original t[……]