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 nums int整型一维数组
     * @param target int整型
     * @return int整型
     */
    public int minSubarray (int[] nums, int target) {
        // write code here
        // 解题思路:双指针,滑动窗口方法
        int l = 0;
        int r = 0;
        int sum = 0;
        int length = Integer.MAX_VALUE;

        while (r < nums.length) {
            while (r < nums.length && sum < target) {
                sum += nums[r];
                r++;
            }

            while (l < r && sum >= target) {
                length = Math.min(length, r - l);
                sum = sum - nums[l];
                l++;
            }
        }

        return length;
    }
}