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Some simple C++ tips for beginners:
1 Use long long when values can be large.
2 Always check edge cases.
3 Read the constraints before choosing an algorithm.
4 Avoid O(n²) when n can be very large.
5 Test your solution with small cases before submitting.
Good luck and have fun coding!
Auto comment: topic has been updated by sonquanpdp2025 (previous revision, new revision, compare).
Auto comment: topic has been updated by sonquanpdp2025 (previous revision, new revision, compare).