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#155.Min Stack [LeetCode Grind 75 in Java]

Oct 24, 20231 min read

[Problem Link] https://leetcode.com/problems/min-stack/ · //insted of this, we can use two stacks as well class MinState{ int val; int min; ...

#155.Min Stack [LeetCode Grind 75 in Java]

#20. Valid Parentheses [LeetCode Grind 75 in Java]

Oct 12, 20231 min read

[Problem Link] https://leetcode.com/problems/valid-parentheses/ · class Solution { public boolean isValid(String s) { Stack<Character> st =...

#20. Valid Parentheses [LeetCode Grind 75 in Java]

#232.Implement Queue using Stacks [LeetCode Grind 75 in Java]

Oct 9, 20231 min read

[Problem Link] https://leetcode.com/problems/implement-queue-using-stacks/ · class MyQueue { public Stack<Integer> st1; public Stack<Integer>...

#232.Implement Queue using Stacks [LeetCode Grind 75 in Java]

#20.Valid Parenthesis [LeetCode Grind 75 in Rust]

Oct 2, 20231 min read

[Problem Link] https://leetcode.com/problems/valid-parentheses/ · impl Solution { pub fn is_valid(s: String) -> bool { let mut ans: bool =...

#20.Valid Parenthesis [LeetCode Grind 75 in Rust]