c 语言_二维数组_打印多行表格数据

打印多行表格数据：

#include "stdio.h"

#define STD 30
#define COURCE 3

int input_num_score(long number[], int score[][3]){
    int n;
    printf("Please enter the total number of the students(n<30):");
    scanf("%d", &n);
    printf("Enter No. and score as: MT EN PH\n");
    for (int i = 0; i < n; ++i) {
        scanf("%ld", &number[i]);
        for (int j = 0; j < 3; ++j) {
            scanf("%d", &score[i][j]);
        }
    }
    return n;
}
void total(int n, int score[][3], int sum[], float aver[]){
    for (int i = 0; i < 3; ++i) {
        sum[i] = 0;
        for (int j = 0; j < n; ++j) {
            sum[i] += score[i][j];
        }
        aver[i] = (float)sum[i] / 3;
    }
}
void print_num_score(long number[], int score[][3], int sun[], float aver[], int n){
    printf("Result: \n");
    printf("Cource\t");
    for (int i = 0; i < n; ++i) {
        printf("%6ld\t", number[i]);
    }
    printf("SUM\tAVER\n");

    for (int i = 0; i < 3; ++i) {
        switch (i) {
            case 0:
                printf("\tMT\t");break;
            case 1:
                printf("\tEN\t");break;
            case 2:
                printf("\tPH\t");break;
        }
        for (int j = 0; j < n; ++j) {
            printf("\t%d\t", score[j][i]);
        }
        printf("%d\t%f\n", sun[i], aver[i]);
    }

}
int main(){
    int n;
    int sum[STD];
    float aver [STD];
    long number[STD];
    int score[STD][COURCE];
    n = input_num_score(number, score);
    total(n, score, sum, aver);
    print_num_score(number, score, sum, aver, n);
    return 0;
}