题解 | #栈的压入、弹出序列#
栈的压入、弹出序列
https://www.nowcoder.com/practice/d77d11405cc7470d82554cb392585106
import java.util.*; public class Solution { /** * 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整型一维数组 * @param popV int整型一维数组 * @return bool布尔型 */ public boolean IsPopOrder (int[] pushV, int[] popV) { Stack<Integer> stack = new Stack<>(); int popIndex=0; for(int i=0;i<pushV.length;i++){ stack.push(pushV[i]); while(!stack.isEmpty()&&popV[popIndex]==stack.peek()){ stack.pop(); popIndex++; } } if(stack.isEmpty()){ return true; }else { return false; } } }