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Diffstat (limited to 'challenge-145/abigail/node/ch-1.js')
| -rw-r--r-- | challenge-145/abigail/node/ch-1.js | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/challenge-145/abigail/node/ch-1.js b/challenge-145/abigail/node/ch-1.js new file mode 100644 index 0000000000..2d4b94d896 --- /dev/null +++ b/challenge-145/abigail/node/ch-1.js @@ -0,0 +1,15 @@ +#!/usr/local/bin/node + +// +// See ../README.md +// + +// +// Run as: node ch-1.js < input-file +// + +let fs = require ("fs") +let [a, b] = fs . readFileSync (0) . toString () . trim () . split ("\n") . + map (line => (line . split (" ")) . map (n => +n)) + +console . log (a . reduce ((sum, n, i) => {return sum + a [i] * b [i]}, 0)) |