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-rw-r--r--day13/day13-1.js10
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diff --git a/day13/day13-1.js b/day13/day13-1.js
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+const data = require('./data')
+const dataLines = data.split(/\n/g).filter(d => d)
+const currentTime = parseInt(dataLines[0])
+const busses = dataLines[1].split(',').filter(d => d !== 'x').map(d => parseInt(d))
+const timetable = busses
+ .map(b => ({'bus': b, 'time': b - currentTime % b}))
+ .sort((a,b) => a.time - b.time)
+
+console.log('Answer: ', timetable[0].bus * timetable[0].time)
+