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150. 逆波兰表达式求值 class Solution { public: int evalRPN(vector<string>& tokens) { stack<long long> st; for(int i = 0; i < tokens.size(); i++) { if(tokens[i 阅读全文
posted @ 2025-07-08 15:42
skyler886
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摘要:
232. 用栈实现队列 class MyQueue { public: stack<int> stIn; stack<int> stOut; MyQueue() { } void push(int x) { stIn.push(x); } int pop() { if(stOut.empty()) 阅读全文
posted @ 2025-07-08 11:02
skyler886
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