Ex_1_1_15.md

title	date	draft	tags	categories
算法4 Java解答 1.1.15	2019-03-02 19:38:47 +0800	false	JAVA	技术 归档

1.1.15

问题：

Write a static method histogram() that takes an array a[] of int values and an integer M as arguments and returns an array of length M whose ith entry is the number of times the integer i appeared in the argument array. If the values in a[] are all between 0 and M–1, the sum of the values in the returned array should be equal to a.length.

分析：

参考：