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deleted 43 characters in body

edited Mar 23, 2017 at 22:15

Retina, 1111 7 bytes

-4 thanks to Martin Ender

.* $*1 ¶ $* 1

Lines 1-2: Convert to unary.
Lines 3-4: Remove newlines.
Line 5: count

.* $*

Count the number of 1s (convert to decimal).:

.* $*1 ¶ 1

Lines 1-2: Convert to unary.
Lines 3-4: Remove newlines.
Line 5: count the number of 1s (convert to decimal).

-4 thanks to Martin Ender

.* $* 1

Convert to unary:

.* $*

Count the number of 1s:

answered Mar 23, 2017 at 21:45

.* $*1 ¶ 1

Lines 1-2: Convert to unary.
Lines 3-4: Remove newlines.
Line 5: count the number of 1s (convert to decimal).