c++ Help

Original - c Code #include <stdio.h> /* Write a program that reads the student id and an exam score for five students. The program must compute the average, maximum, and minimum of the five exam scores, as well as a class performance level. The program must generate a report as shown below. The class performance level is GOOD if the average score is at least 80, POOR if the average score is less than 60, otherwise it is MEDIUM. SEQ NO ID NO SCORE ----------- ----------- ---------- 1. 123492 85.00 2. 567893 95.00 3. 901291 64.50 4. 634528 74.00 5. 859245 87.50 ------------------------------------------------------------------------------------- AVERAGE SCORE: 81.20 MAXIMUM SCORE: 95.00 MINIMUM SCORE: 64.50 CLASS LEVEL: GOOD */ int main(void) { // declarations unsigned int i, student[5]; float grade[5], total, max, min; FILE *fp; // read file fp = fopen("input.txt", "r"); for(i = 0; i < 5; i++) fscanf(fp, "%*c. %u %f\n", &student[i], &grade[i]); fclose(fp); // calculate results total = 0.0; max = 0.0; min = 999.0; for(i = 0; i < 5; i++) { total += grade[i]; if(grade[i] < min) min = grade[i]; if(grade[i] > max) max = grade[i]; } total /= 5.0; // output results for(i = 0; i < 5; i++) printf("%u. %u %.2f\n", (i+1), student[i], grade[i]); printf("AVERAGE SCORE: %.2f\n", total); printf("MAXIMUM SCORE: %.2f\n", max); printf("MINIMUM SCORE: %.2f\n", min); printf("CLASS LEVEL: %s\n", (total > 80 ? "GOOD" : (total < 60 ? "POOR" : "MEDIUM"))); // exit return 0; }

#include <stdio.h>
/*
Write a program that reads the student id and an exam score for five students. The
program must compute the average, maximum, and minimum of the five exam scores,
as well as a class performance level. The program must generate a report as shown
below. The class performance level is GOOD if the average score is at least 80,
POOR if the average score is less than 60, otherwise it is MEDIUM.
SEQ NO ID NO SCORE
----------- ----------- ----------
1. 123492 85.00
2. 567893 95.00
3. 901291 64.50
4. 634528 74.00
5. 859245 87.50
-------------------------------------------------------------------------------------
AVERAGE SCORE: 81.20
MAXIMUM SCORE: 95.00
MINIMUM SCORE: 64.50
CLASS LEVEL: GOOD
*/
 
int main(void)
{
        // declarations
        unsigned int i, student[5];
        float grade[5], total, max, min;
        FILE *fp;
 
        // read file
        fp = fopen("input.txt", "r");
        for(i = 0; i < 5; i++)
                fscanf(fp, "%*c. %u %f\n", &student[i], &grade[i]);
        fclose(fp);
 
        // calculate results
        total = 0.0;
        max = 0.0;
        min = 999.0;
        for(i = 0; i < 5; i++)
        {
                total += grade[i];
                if(grade[i] < min)
                        min = grade[i];
                if(grade[i] > max)
                        max = grade[i];
        }
        total /= 5.0;
 
        // output results
        for(i = 0; i < 5; i++)
                printf("%u. %u %.2f\n", (i+1), student[i], grade[i]);
        printf("AVERAGE SCORE: %.2f\n", total);
        printf("MAXIMUM SCORE: %.2f\n", max);
        printf("MINIMUM SCORE: %.2f\n", min);
        printf("CLASS LEVEL: %s\n", (total > 80 ? "GOOD" : (total < 60 ? "POOR" : "MEDIUM")));
 
        // exit
        return 0;
} 

Original - c Code #include <stdio.h> #define min(a,b) (((a)<(b))?(a):(b)) #define max(a,b) (((a)>(b))?(a):(b)) int main(void) { // declarations unsigned int i, student; float grade, total, maxi, mini; FILE *fp; // do stuff -> bad comments! DO NOT TRY THIS AT HOME! fp = fopen("input.txt", "r"); for(i = 0, total = 0.0, maxi = 0.0, mini = 999.0; i < 5; i++, total += grade, mini = min(mini, grade), maxi = max(maxi, grade)) { fscanf(fp, "%*c. %u %f\n", &student, &grade); printf("%u. %u %.2f\n", (i+1), student, grade); } fclose(fp); printf("AVERAGE SCORE: %.2f\nMAXIMUM SCORE: %.2f\nMINIMUM SCORE: %.2f\nCLASS LEVEL: %s\n", total / 5.0, maxi, mini, (total > 400 ? "GOOD" : (total < 300 ? "POOR" : "MEDIUM"))); // exit return 0; }

#include <stdio.h>
#define min(a,b) (((a)<(b))?(a):(b))
#define max(a,b) (((a)>(b))?(a):(b))
 
int main(void)
{
    // declarations
    unsigned int i, student;
    float grade, total, maxi, mini;
    FILE *fp;
 
    // do stuff      -> bad comments! DO NOT TRY THIS AT HOME!
    fp = fopen("input.txt", "r");
    for(i = 0, total = 0.0, maxi = 0.0, mini = 999.0; i < 5; i++, total += grade, mini = min(mini, grade), maxi = max(maxi, grade))
    {
        fscanf(fp, "%*c. %u %f\n", &student, &grade);
        printf("%u. %u %.2f\n", (i+1), student, grade);
    }
    fclose(fp);
    printf("AVERAGE SCORE: %.2f\nMAXIMUM SCORE: %.2f\nMINIMUM SCORE: %.2f\nCLASS LEVEL: %s\n", total / 5.0, maxi, mini, (total > 400 ? "GOOD" : (total < 300 ? "POOR" : "MEDIUM")));
 
    // exit
    return 0;
}