#include <stdio.h> #define STUD 30 /* 最多可能的学生人数 */ #define COURSE 5 /* 最多可能的考试科目数 */ void Input(int *pScore, int m, int n); void Total(int *pScore, int sum[], float aver[], int m, int n); void Print(int *pScore, int sum[], float aver[], int m, int n); int main() { int m, n, score[STUD][COURSE], sum[STUD]; float aver[STUD]; printf("How many students?"); scanf("%d", &m); printf("How many courses?"); scanf("%d", &n); Input(*score, m, n); Total(*score, sum, aver, m, n); Print(*score, sum, aver, m, n); return 0; } /*函数功能：连续输入m*n个整数存入起始地址为pScore的连续内存单元中 */ void Input(int *pScore, int m, int n) { int i, j; printf("Input scores:\n"); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { scanf("%d", &pScore[i * n + j]); } } } /* 函数功能：计算起始地址为pScore的连续内存中存储的m*n个数组元素值的平均值 */ void Total(int *pScore, int sum[], float aver[], int m, int n) { int i, j; for (i = 0; i < m; i++) { sum[i] = 0; for (j = 0; j < n; j++) { sum[i] = sum[i] + pScore[i * n + j]; } aver[i] = (float) sum[i] / n; } } /* 函数功能：打印起始地址为pScore的连续内存单元中存储的m*n个数组元素值 */ void Print(int *pScore, int sum[], float aver[], int m, int n) { int i, j; printf("Result:\n"); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { printf("M\t", pScore[i * n + j]); } printf("]\t%6.1f\n", sum[i], aver[i]); } }
