我正试着用计算器计算我的平均成绩，但我似乎找不到我错在哪里。
#include <iostream>
#include <conio.h>
#include <cmath>
using namespace std;
int main()
{
string subject[17] = {"Biology", "French"}; //"Sport", "Ed.Antreprenoriala", "Geografie", "Mate", "TIC", "Psihologie", "Romana", "Chimie", "Fizica", "Istorie", "Engleza", "Religie", "Info", "Desen", "Muzica"};
int mark, numberOfMarks;
float sumaNote = 0;
double average, averageSum = 0, finalAverage;
for(int i=0; i<2; i++){
cout << subject[i] << ":" << "\n";
cout << "How many marks?" << "\n";
cin >> numberOfMarks;
for(int j=0; j < numberOfMarks; j++){
cin >> mark;
sumaNote += mark;
}
average = sumaNote / numberOfMarks;
averageSum += round(average);
}
cout << endl;
finalAverage = averageSum/2;
cout << finalAverage;
getch();
return 0;
}
它应该是这样工作的:br>1)从字符串数组中取一个主语；2）询问我对这个主语有多少个标记；3）取标记的和的平均值；4）重复直到数组元素（主语）出来为止；5）取所有主语平均值的和，取平均值并输出答案；
***每个非自然平均值都需要向上或向下四舍五入（因此有round（）函数）；
***总共有17个被试，但我只使用了2个作为实验用途；
生物:多少分？2 8 10（它应该做(8+10)/2)法语:多少分？3 7 9 10（应为(7+9+10)/3
输出应为9+9/2=9
但我的代码没有这样做，也不知道为什么
您需要在
关于编译:
程序:
#include <iostream>
#include <cmath>
using namespace std;
int main()
{
string subject[] = {"Biology", "French"}; //"Sport", "Ed.Antreprenoriala", "Geografie", "Mate", "TIC", "Psihologie", "Romana", "Chimie", "Fizica", "Istorie", "Engleza", "Religie", "Info", "Desen", "Muzica"};
int mark, numberOfMarks;
float sumaNote = 0;
double average, averageSum = 0, finalAverage;
// Find length of array
int len = sizeof(subject)/sizeof(subject[0]);
// changed limit to len
for(int i=0; i<len; i++) {
cout << subject[i] << ":" << "\n";
cout << "How many marks?" << "\n";
cin >> numberOfMarks;
for(int j=0; j < numberOfMarks; j++){
cin >> mark;
sumaNote += mark;
}
average = sumaNote / numberOfMarks;
averageSum += round(average);
sumaNote = 0; // important to reset sum
}
cout << endl;
finalAverage = averageSum/len;
cout << finalAverage;
return 0;
}
