ZOJ 1048 Financial Management
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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.
Input Format:
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.
Output Format:
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.
Sample Input:
100.00
489.12
12454.12
1234.10
823.05
109.20
5.27
1542.25
839.18
83.99
1295.01
1.75
Sample Output:
$1581.42
中文题意:统计某人12个月的银行帐户余额的平均数
中文翻译:
题目大意:
解题思路:只要输出一组数据
难点详解:
关键点:sum的类型是实型
解题人:lingnichong
解题时间:2014/7/30 11:09
*/
#include<stdio.h>int main(){int i;float n,sum=0;for(i=0;i<12;i++){scanf("%f",&n);sum+=n;}printf("$%.2f\n",sum/12);}
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