jsadvent/solutions/2020/1.js
2020-12-10 02:33:00 -06:00

29 lines
777 B
JavaScript

const { Glib } = require('../../lib');
module.exports = {
'1': (input) => {
input = Glib.fromLines(input).toInts().array;
for (let i = 0; i < input.length; i++) {
for (let j = i; j < input.length; j++) {
if (input[i] + input[j] === 2020n) {
return input[i] * input[j];
}
}
}
throw new Error('no solution');
},
'2': (input) => {
input = Glib.fromLines(input).toInts().array;
for (let i = 0; i < input.length; i++) {
for (let j = i + 1; j < input.length; j++) {
for (let k = j + 1; k < input.length; k++) {
if (input[i] + input[j] + input[k] === 2020n) {
return input[i] * input[j] * input[k];
}
}
}
}
throw new Error('no solution');
},
};