DSA
4 approaches incl. Brute Force, Better, Maths, and more. Optimal — Time O(n), Space O(1).
Covers: Greedy, DP. Optimal — Time O(n), Space O(1).
Covers: Linear scan, No extra Space. Optimal — Time O(n), Space O(1).
Intervals problem — solution with code and analysis.
Covers: Sweep line algorithm (or tim…, Min Heap (Priority Queue), Two Sorted Arrays (Two Point…. Optimal — Time O(n log n), Space O(n).
Intervals. Time O(N * logN), Space O(N).
Greedy approach. Optimal — Time O(N * logN), Space O(N).
4 approaches incl. Brute Force: Linear Iteratio…, Better: Binary Search, Alternate Approach: O(nlogn), and more. Optimal — Time O(log n), Space O(1).