Checkpoint: symmetric grid
Challenge on lesson: Checkpoint: symmetry
CHALLENGE
Difficulty: advanced+25 XP
A square grid is **symmetric** if g[r][c] == g[c][r] for every r, c. Implement process(int[][] g) returning true/false (a 1×1 grid is trivially symmetric).
Examples: {{1,2},{2,1}} → true, {{1,2},{3,1}} → false.
Press Submit to check your solution.
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