Discussions

Clean C++ solution, beats most submissions. Work with character counts or indices rather than building new strings in the loop; string concatenation inside loops is what usually causes TLE here.

Why does my solution TLE on the last test case? Work with character counts or indices rather than building new strings in the loop; string concatenation inside loops is what usually causes TLE here.

Finally got AC after 3 WAs. Sharing what I missed. Work with character counts or indices rather than building new strings in the loop; string concatenation inside loops is what usually causes TLE here.

Asked in my Juspay OA last week. Work with character counts or indices rather than building new strings in the loop; string concatenation inside loops is what usually causes TLE here.