Simple Array Sum
Read the lesson → understand the pattern → then code. Tutor works offline (built-in teacher); optional Cursor/Gemini keys upgrade chat quality.
Topic refresher: HackerRank Warmup
Classic warmup problems, taught slowly in Hindi, English, or Hinglish, then typed by you.
long long sum = 0; for (int x : a) sum += x; return sum;
EasyHackerRank Warmup
Simple Array Sum
Add every number in the array. One loop, one running total.
Use long long if the numbers can be large — a habit from day one.
Examples
Example 1
Input
6 1 2 3 4 10 11
Output
31
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