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| 1 | function solve(array) {
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| 2 | let products = new Map(); | |
| 3 | for (let sentance of array) {
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| 4 | let [town, product, price] = sentance.split(" | ");
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| 5 | if (!products.has(product)) {
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| 6 | products.set(product, new Map()); | |
| 7 | } | |
| 8 | products.get(product).set(town, Number(price)); | |
| 9 | } | |
| 10 | for (let [key, value] of products) {
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| 11 | let lowest = ([...value].reduce(function (a, b) {
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| 12 | if (a[1] < b[1]) {
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| 13 | return a; | |
| 14 | } else if (a[1] > b[1]) {
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| 15 | return b; | |
| 16 | } | |
| 17 | return a; | |
| 18 | })); | |
| 19 | console.log(`${key} -> ${lowest[1]} (${lowest[0]})`);
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| 20 | } | |
| 21 | } |
