find . -name *.java |xargs -i sh -c "echo {};cat {}" > ../all.java[op@TIM src]$ cat all.java ./ch09/���渚�9-1/浠g��9-1.java class Person { String name ; int age ; void talk() { System.out.println("我是:"+name+",今年:"+age+"
Given an array of n positive integers and a positive integer s, find the minimal length of a subarray of which the sum ≥ s. If there isn't one, return 0 instead. For example, given the array [2,3,1,2,4,3] and s = 7,the subarray [4,3] has the minimal