我遇到了一个问题。我正在尝试找出该程序作业中测验的平均值。这是我的代码。粗体代码就是我的问题所在。
#include <stdlib.h>
#include <stdio.h>
#define STUDENTS 4
#define QUIZZES 5
main () {
int quizScores [STUDENTS] [QUIZZES] = {
{ 90, 90, 90, 90, 90 },
{ 90, 80, 70, 60, 50 },
{ 90, 89, 88, 87, 86 },
{ 90, 85, 80, 75, 70 }
};
int studentTotal = 0, quizTotal, row, col;
double studentAverage, quizAverage;
for ( row = 0; row < STUDENTS; row++) {
studentTotal = 0;
for ( col = 0; col < QUIZZES; col++) {
studentTotal += quizScores[row][col];
}
studentAverage = (double) studentTotal / QUIZZES;
printf("Student %i has average %.2lf\n", row, studentAverage);
}
**for ( col = 0; col < QUIZZES; col++) {
quizTotal = 0;
for ( row = 0; row < STUDENTS; row++) {
quizTotal += quizScores[col][row];
}
quizAverage = (double) quizTotal / STUDENTS;
printf("Quiz %i has an average %.2lf\n",col, quizAverage);
// output the average for this quiz
}**
system("pause");
}
最佳答案
您的索引混合在 quizTotal += quizScores[col][row];
中。它应该是quizTotal += quizScores[row][col];
。
关于C 编程测验 for 循环内的平均数组,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/12792541/