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RunningSum.java
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40 lines (34 loc) · 907 Bytes
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package com.imood.msjava.leetcode;
import java.util.ArrayList;
import java.util.List;
/**
* @description:
* @author: 微信公众号:码上Java
* @createDate: 2020/7/2/0002
* @version: 1.0
*/
public class RunningSum {
/**
* 给你一个数组 nums 。数组「动态和」的计算公式为:runningSum[i] = sum(nums[0]…nums[i]) 。
* <p>
* 请返回 nums 的动态和。
*
* @param nums
* @return
*/
public static int[] runningSum(int[] nums) {
int temp = 0;
for (int i = 0; i < nums.length; i++) {
temp += nums[i];
nums[i] = temp;
}
return nums;
}
public static void main(String[] args) {
int[] arr = {1, 2, 3, 4, 5};
int[] ints = RunningSum.runningSum(arr);
for (int i = 0; i < ints.length; i++) {
System.out.println(ints[i]);
}
}
}