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robinyoon-dev.js
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65 lines (50 loc) ยท 1.23 KB
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/**
* @param {string} s
* @return {boolean}
*/
var isValid = function (s) {
const bracketsObj = {
')': '(',
'}': '{',
']': '['
}
const stackArray = [];
for (let i = 0; i < s.length; i++) {
let currentBracket = s[i];
let isRightBracket = currentBracket in bracketsObj;
if (!isRightBracket) {
stackArray.push(currentBracket);
continue;
}
let isPair = stackArray[stackArray.length - 1] == bracketsObj[currentBracket];
if (isPair) {
stackArray.pop();
} else {
return false;
}
}
return stackArray.length === 0
};
// -----6๊ธฐ ํ๋ ์์ ํ์ด----
// /**
// * @param {string} s
// * @return {boolean}
// */
// var isValid = function (s) {
// const tempArray = [];
// const pairObject = {
// ')': '(',
// '}': '{',
// ']': '['
// }
// for (const ch of s) {
// if (ch === '(' || ch === '{' || ch === '[') {
// tempArray.push(ch);
// } else {
// if (tempArray.pop() !== pairObject[ch]) {
// return false;
// }
// }
// }
// return tempArray.length === 0;
// };