# Arena Tier

Apr 14th, 2021
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1. function solve(arr) {
2.   let gladiators = {};
3.
4.   for (let info of arr) {
5.     if (!info.includes('vs') && info !== 'Ave Cesar') {
6.       let tokens = info.split(' -> ');
7.       const gladiator = tokens[0];
8.       const skill = tokens[1];
9.       const skillPower = Number(tokens[2]);
10.       if (!(gladiator in gladiators)) { gladiators[gladiator] = {}; }
11.       if (!(skill in gladiators[gladiator])) { gladiators[gladiator][skill] = skillPower }
12.       if (gladiators[gladiator][skill] < skillPower) { gladiators[gladiator][skill] = skillPower }
13.     } else if (info.includes('vs')) {
14.       const [gladiator1, gladiator2] = info.split(' vs ');
15.       const doesExist1 = Object.keys(gladiators).includes(gladiator1);
16.       const doesExist2 = Object.keys(gladiators).includes(gladiator2);
17.       if (doesExist1 && doesExist2) {
18.         for (const skill of Object.keys(gladiators[gladiator1])) {
19.           if (skill in gladiators[gladiator2]) {
20.             const firstGL = Object.values(gladiators[gladiator1]).reduce((a, b) => a + b);
21.             const secondGL = Object.values(gladiators[gladiator2]).reduce((a, b) => a + b);
22.             (firstGL > secondGL) ? delete gladiators[gladiator2] : delete gladiators[gladiator1]
23.           }
24.         }
25.       }
26.     }
27.   }
28.
29.   gladiators = [...Object.entries(gladiators)]
30.   .sort((a, b) => Object.values(b[1]).reduce((a, b) => a + b) - Object.values(a[1]).reduce((a, b) => a + b) || a[0].localeCompare(b[0]))
31.
32.   for (const gladiator of gladiators) {
33.     console.log(`\${gladiator[0]}: \${Object.values(gladiator[1]).reduce((a, b) => a + b)} skill`);
34.     const skills = [...Object.entries(gladiator[1])].sort((a, b) => b[1] - a[1] || a[0].localeCompare(b[0]));
35.     skills.forEach(x => console.log(`- \${x[0]} <!> \${x[1]}`));
36.   }
37. }
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