Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
map reduce indexOf solution in Clear category for [old] Weak Point by 0lexa
"use strict";
const weakPoint = matrix => {
const rows = matrix.map(value => value.reduce((p, v) => p + v));
const cols = matrix[0].map((_, index) => matrix.reduce((p, v) => p + v[index], 0));
return [rows.indexOf(Math.min(...rows)), cols.indexOf(Math.min(...cols))];
};
var assert = require('assert');
if (!global.is_checking) {
assert.deepEqual(weakPoint([[7, 2, 7, 2, 8],
[2, 9, 4, 1, 7],
[3, 8, 6, 2, 4],
[2, 5, 2, 9, 1],
[6, 6, 5, 4, 5]]
), [3, 3], "Example");
assert.deepEqual(weakPoint([[7, 2, 4, 2, 8],
[2, 8, 1, 1, 7],
[3, 8, 6, 2, 4],
[2, 5, 2, 9, 1],
[6, 6, 5, 4, 5]]
), [1, 2], "Two weak point");
assert.deepEqual(weakPoint([[1, 1, 1],
[1, 1, 1],
[1, 1, 1]]
), [0, 0], "Top left");
console.log("Coding complete? Click 'Check' to review your tests and earn cool rewards!");
}
Jan. 28, 2020
Comments: