Find subarray with given sum

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Sumanthuuuu on Instagram: "Today I solved the maximum subarray problem progressing from brute-force O(n 3) to optimized O(n 2) finally implementing Kadane’s Algorithm using dynamic programming in O(n) time. Kadane’s algorithm maintains two variables: max_ending_here (maximum sum ending at current position) and max_so_far (global maximum), with the recurrence relation max_ending_here = max(arr[i], max_ending_here + arr[i]) deciding whether to extend the previous subarray or start fresh from the c