A software engineer, laid off from Oracle, secured three job offers within 45 days by dedicating hours daily to DSA practice, learning AI engineering from scratch, and consistently applying to 10-15 ...

//Instead of using the classic recursive approach i.e. x*pow(x, n-1) just have (x*x), i.e., pow(x*x, n/2). //This will make the TC logarithmic instead of linear. //Just take care of the edge cases ...

//Just store the left and right product (Try doing this with extra space first) //This one is constant space because we are returning the array we created ...

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A software engineer transformed a layoff into a career relaunch. He dedicated 45 days to intensive learning in data structures, algorithms, and AI engineering. System design preparation was also a key ...