C++ | Leetcode C++题解之第225题用队列实现栈
题目：
题解：
class MyStack {
public:
queue<int> q;
/** Initialize your data structure here. */
MyStack() {
}
/** Push element x onto stack. */
void push(int x) {
int n = q.size();
q.push(x);
for (int i = 0; i < n; i++) {
q.push(q.front());
q.pop();
}
}
/** Removes the element on top of the stack and returns that element. */
int pop() {
int r = q.front();
q.pop();
return r;
}
/** Get the top element. */
int top() {
int r = q.front();
return r;
}
/** Returns whether the stack is empty. */
bool empty() {
return q.empty();
}
};原文地址：https://blog.csdn.net/Ddddddd_158/article/details/140311774
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