Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- function solve(arr) {
- let map = new Map();
- for (let string of arr) {
- let tokens = string.split(' ');
- let name = tokens[0];
- let grades = tokens.splice(1, tokens.length).map(Number);
- if (!map.has(name)) {
- map.set(name, []);
- map.set(name, map.get(name).concat(grades))
- } else {
- map.set(name, map.get(name).concat(grades));
- }
- }
- function average(a, b) {
- let aSum = 0;
- for (let i = 0; i < a[1].length; i++) {
- aSum += a[1][i];
- }
- let bSum =0;
- for (let i = 0; i < b[1].length; i++) {
- bSum+=[1][i];
- }
- let aAverage =aSum/a[1].length;
- let bAverage =bSum/b[1].length;
- return aAverage -bAverage;
- }
- let sorted = Array.from(map).sort((a, b) => average(a, b));
- for(let keys of sorted) {
- console.log(`${keys[0]}: ${keys[1]}, `)
- }
- }
- solve(['Lilly 4 6 6 5',
- 'Tim 5 6',
- 'Tammy 2 4 3',
- 'Tim 6 6']);
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement