Created
March 28, 2018 12:50
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| function solution(A) { | |
| // write your code in JavaScript (Node.js 8.9.4) | |
| const dicA = A.reduce((ac, c) => { | |
| ac[c] = c | |
| return ac; | |
| }, {}) | |
| for (let i = 1; i <= A.length + 1; i++) { | |
| if (dicA[i] !== i) return i; | |
| } | |
| } |
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8번째줄 if문을
if(!dicA[i])로만 해도 될거 같아요!