G1 · Novice · 6 min
Complexity Clash
Each round shows a snippet or a constraint. Pick the matching complexity. Streaks multiply the score. A miss resets the streak.
Round 1 / 8
0
streak ×0
for i in 0..n: for j in 0..n: work()
n ≤ 2·10⁵. Nested full scans.