题解 | #栈的压入、弹出序列#
栈的压入、弹出序列
https://www.nowcoder.com/practice/d77d11405cc7470d82554cb392585106
#include <vector> class Solution { public: /** * 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 * * * @param pushV int整型vector * @param popV int整型vector * @return bool布尔型 */ bool IsPopOrder(vector<int>& pushV, vector<int>& popV) { // write code here int n = pushV.size(), cnt = 0; stack<int> st; for (int i = 0; i < n; i++) { st.push(pushV[i]); while (!st.empty() && popV[cnt] == st.top()) { cnt++; st.pop(); } } return st.empty(); } };