ull seg0[MAXN / B + 1]; // words in layer 0 (bottom) ull seg1[MAXN / B / B + 1]; // words in layer 1 ull seg2[1]; // words in layer 2 ...
⏱️ Set a timer — don't spend more than 45 min on any problem 📝 Write pseudocode before coding 🧪 Test with examples before submitting 🔄 If stuck for 20 min, look at hints, not solutions study-plan/ ...
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