[Medium] 739. Daily Temeratures

문제Given an array of integers temperatures represents the daily temperatures,return an array answer such that answer[i] is the number of daysyou have to wait after the ith day to get a warmer temperature.If there is no future day for which this is possible, keep answer[i] == 0 instead. 코드import java.util.ArrayDeque;import java.util.Deque;class Solution { public int[] dailyTemperatures(int[] te..

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• · 2025. 5. 27.
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[Easy] 20. Valid Parentheses

문제Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.An input string is valid if:Open brackets must be closed by the same type of brackets.Open brackets must be closed in the correct order.Every close bracket has a corresponding open bracket of the same type. 코드import java.util.ArrayDeque;import java.util.Deque;class Solution {..

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• · 2025. 5. 22.
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