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Related: Any good websites to practice C++ with challenges? I've heard some things about CodeWars, but are there any other?

• jxub 9y ago
  I think you can use C++ in code challenges in all major coding riddles practice sites eg. Hackerrank, Leetcode and TopCoder.
• i45_n5 9y ago
  open.kattis.com is quite good. compiles with -std=gnu++11