How One Line of Code Changed the World

CodeComplexity.ai on Instagram: "✅ Explanation: Most people would use two nested loops to print this pattern. But here, only one loop is enough. 🔹 How this works (in simple words): 1. The loop runs from 1 to the length of "Hello". 2. printf("%.*s", i, "Hello") means: Print only the first i characters of the string. 3. On each loop: ○ First line prints H ○ Next line prints He ○ Then Hel, Hell, and finally Hello 4. Each iteration prints one more character. 📌 Why this is smart: • No inner loop •