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 程式師世界 >> 編程語言 >> C語言 >> C++ >> 關於C++ >> POJ1004 Financial Management

POJ1004 Financial Management

編輯:關於C++
        Financial Management Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 151703 Accepted: 59537 Description   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   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   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   $1581.42 Source   Mid-Atlantic 2001   題目很水,求12個數的平均數即可,保留兩位小數 double保留字是%lf, 唉, 第一遍居然wa了    1 //oimonster  2 #include<cstdio>  3 #include<cstdlib>  4 #include<iostream>  5 using namespace std;  6 double a[51];  7 int main(){  8     int i,j;  9     double s=0.0; 10     for(i=1;i<=12;i++){ 11         scanf("%lf",&a[i]); 12         s+=a[i]; 13     } 14     s=s/12.0; 15     printf("$%.2f\n",s); 16     return 0; 17 }
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