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2020 day 1 and 2 (:

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tristan 2020-12-02 13:24:30 +00:00
parent cbc02f04d5
commit de2fa19311
6 changed files with 1276 additions and 0 deletions
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1000
2020/02/input.txt Normal file
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2020/02/part1.js Normal file
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const fs = require('fs');
let data = fs.readFileSync('input.txt', 'utf-8');
let lines = data.split('\n').map(x => x.split(" "));
let count = 0
for (let i = 0; i < lines.length; i++) {
let line = lines[i]
let lim = line[0].split("-")
let char = line[1].substring(0, 1)
let pass = line[2]
let match = pass.match(new RegExp(char, 'g'))
if (!match) { continue }
let matches = match.length
if (matches < lim[0] || matches > lim[1]) { continue }
console.log(pass)
count++
}
console.log(count)

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2020/02/part2.js Normal file
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const fs = require('fs');
let data = fs.readFileSync('input.txt', 'utf-8');
let lines = data.split('\n').map(x => x.split(" "));
let count = 0
for ( let i = 0; i < lines.length; i++){
let line = lines[i]
let lim = line[0].split("-")
let char = line[1].substring(0,1)
let pass = line[2]
let one = (pass.charAt(lim[0]-1) == char)
let other = (pass.charAt(lim[1]-1) == char)
if (one^other){
console.log(pass)
count++
}
}
console.log(count)