# Status Problem video Level Completes Likes 260 Deque Implementation – Java Beginner % 0 256 Print all sub sequences of a given array Hard % 0 254 Sum of all sub arrays in O(n) Time Hard % 0 253 Print all subarrays of a given array Medium % 1 250 Nuts & Bolts Problem (Lock & Key problem) Beginner % 0 249 Divide and Conquer - Rearrange array elements in special order Medium % 0 247 Find median of two sorted arrays of same size Medium % 0 243 Find two non-repeating numbers in an array in O(n) time and O(1) space Hard % 1 241 Separate even and odd integers in a given array Beginner % 0 240 All elements appears thrice and one element appears once. Find that element in O(n) time and O(1) space Hard % 1 239 Find local minimum or local maximum in O(1) Medium % 0 238 Separate 0’s and 1’s in a given array Beginner % 0 237 Find three elements in an array that sum to a zero Beginner % 0 236 Find three elements in an array that sum to a given value Beginner % 1 235 Majority Element- Boyer–Moore majority vote algorithm Medium % 0 234 Majority Element – Part 1 Beginner % 0 233 Find the local minima in a given array Medium % 0 231 Check if array is sorted using recursion Beginner % 0 230 Find the Index from which 0 starts Beginner % 0 229 Find the increasing OR decreasing point in an array Beginner % 0 Deque Implementation – Java Print all sub sequences of a given array Sum of all sub arrays in O(n) Time Print all subarrays of a given array Nuts & Bolts Problem (Lock & Key problem) Divide and Conquer - Rearrange array elements in special order Find median of two sorted arrays of same size Find two non-repeating numbers in an array in O(n) time and O(1) space Separate even and odd integers in a given array All elements appears thrice and one element appears once. Find that element in O(n) time and O(1) space Find local minimum or local maximum in O(1) Separate 0’s and 1’s in a given array Find three elements in an array that sum to a zero Find three elements in an array that sum to a given value Majority Element- Boyer–Moore majority vote algorithm Majority Element – Part 1 Find the local minima in a given array Check if array is sorted using recursion Find the Index from which 0 starts Find the increasing OR decreasing point in an array 1 2 3 4 5 6 7 8 9 10 11
