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<?php function solution($A) { $n = sizeof($A); return $n; } $A[0] = 4 ; $A[1] = 2 ; $A[2] = 2; $A[3] = 3 ; $A[4] = 1 ; $A[5] = 4; $A[6] = 7 ; $A[7] = 8 ; $A[8] = 6; $A[9] = 9; print_r(solution($A));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
10

preferences:
246.03 ms | 406 KiB | 357 Q