NUC1011 Financial Management【数学计算+水题】

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本文介绍了一个简单的程序设计问题，旨在帮助用户计算过去十二个月银行账户的平均余额。通过输入每个月的账户结余，程序能够计算并输出平均余额。

Financial Management

时间限制: 1000ms 内存限制: 10000KB

问题描述

Larry graduated this year and finally has a job. He's making a lot of money, but somehow never seems to have enough. Larry has decided that he needs to grab hold of his financial portfolio and solve his financing problems. The first step is to figure out what's been going on with his money. Larry has his bank account statements and wants to see how much money he has. Help Larry by writing a program to take his closing balance from each of the past twelve months and calculate his average account balance.

输入描述

The input will be twelve lines. Each line will contain the closing balance of his bank account for a particular month. Each number will be positive and displayed to the penny. No dollar sign will be included.

输出描述

The output will be a single number, the average (mean) of the closing balances for the twelve months. It will be rounded to the nearest penny, preceded immediately by a dollar sign, and followed by the end-of-line. There will be no other spaces or characters in the output.

样例输入

样例输出

$1581.42

来源

{Mid-Atlantic 2001}

问题分析：（略）

这个问题和《UVALive2362 POJ1004 HDU1064 ZOJ1048 Financial Management【数学计算】》是同一个问题，代码拿过来用就AC了。

程序说明：参见参考链接。

参考链接：UVALive2362 POJ1004 HDU1064 ZOJ1048 Financial Management【数学计算】

题记：程序做多了，不定哪天遇见似曾相识的。

AC的C++程序如下：

/* UVALive2362 Financial Management */

#include <iostream>
#include <cstdio>

using namespace std;

int main()
{
    double val, sum;

    sum = 0;
    for(int i=1; i<=12; i++) {
        cin >> val;
        sum += val;
    }

    printf("$%.2f\n", sum / 12);

    return 0;
}