The evidence that humans are causing climate change, with drastic consequences for life on the planet, is overwhelming. Experts began raising the alarm about global warming in 1979, a change now ...
; RUN: FileCheck -check-prefix=FOO -check-prefix=FOOBAR -check-prefix=BARFOO -input-file %s %s -allow-unused-prefixes ; RUN: FileCheck -check-prefix=FOOBAR -check ...
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Given a string `s`, the task is to find the longest palindromic substring in `s`. 1. We define a helper function `expandFromCenter` that takes a string `s`, and two indices `start` and `end` as input.
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