Objective-C
#51 6
#52 6
#53 6
#54 5
#55 5
#56 5
#57 5
#58 5
#59 4
#60 4
#61 4
#62 4
#63 3
#64 3
#65 3
#66 3
#67 3
#68 2
#69 2
#70 2
#71 2
#72 2
#73 2
#74 2
#75 2