#include <stdio.h>

#define COL 4
#define GRADEBINGIN 1

int studentMember = 0;
double storeInformation[100][COL];

void inputStudentInformation(double store[][COL])
{
    double* p;
    int i = 0, j = 0;
    while (1) {
        p = &store[i][j];
        double temp;
        scanf("%lf", &temp);
        *p = temp;
        j++;
        if (j == COL) {
            printf("One student's information has been, input 0 or 1 to quit or continue.\n");
            int ch;
            scanf("%d", &ch);
            if (ch == 0) { break; }
            else if (ch == 1)
            {
                j = 0;
                i++;
                studentMember++;
            }
            else {
                printf("WRONG INPUT,aoto quit\n");
                break;
            }
        }
    }
}

double sumScore(double store[][COL], int n) {
    double sum = 0;
    for (int i = GRADEBINGIN; i < COL; i++) {
        sum += store[n][i];
    }
    return sum;
}

void printStudentOriginalScore(double store[][COL])
{
    for (int i = 0; i <= studentMember; i++) {
        printf("%5d  %.1f  %.1f  %.1f  %.1f\n", (int)store[i][0], store[i][1], store[i][2], store[i][3], sumScore(store, i));
    }
}

void printstep2(double store[][COL]) {
    for (int i = 0; i <= studentMember; i++) {
        printf("%5d,%.1f,%.1f\n", (int)storeInformation[i][0], sumScore(storeInformation, i), sumScore(storeInformation, i) / 3);
    }
}

void manage()
{
    printf("                              1.Input\n");
    printf("                              2.Output\n");
    printf("                              3.Order\n");
    printf("                              4.Quit\n");
    char keywords;
    keywords = getchar();
    switch (keywords) {
    case 'i':
        printf("Please input info of the three students\n");
        inputStudentInformation(storeInformation);
        break;
    case 'o':
        printf("You are trying to Output info\n");
        break;
    case 'm':
        printf("You are trying to Make things ordered\n");
        break;
    case 'q':
        printf("You are about to Quit\n");
        break;
    default:
        printf("Wrong input\n");
        break;
    }
}
int main()
{
    manage();
    printstep2(storeInformation);
    return 0;
}