Answered: How to fix this zeros?? Here's the…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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How to fix this zeros??

Here's the code!

#include<stdio.h>
struct student //Defining structure
{
int id;
char name[20];
float percentage;
};
void main(){ //Program execution starts
int n, passedCount = 0; //Variable for user input output
float highestGrade = 0; //variable for output highest score
printf("Enter Number of Records: ");
scanf("%d",&n); //user input number of students
struct student record[n]; //defining array of size n
for (int i = 0; i < n; i++){ //running loop n times
printf("\nRecords of STUDENT: %d\n",i+1);
printf("ID: ");
scanf("%d",&record[i].id); //user input student id
printf("\nName: ");
scanf("%s",record[i].name); //user input student name
printf("\nPercentage: ");
scanf("%f",&record[i].percentage); //user input student percentage
//comparing entered percentage with already stored highest
if (record[i].percentage > highestGrade)
highestGrade = record[i].percentage;
//checking whether the student passed
if (record[i].percentage > 70 && record[i].percentage <= 100)
passedCount++;
}
//Displaying output
printf("\n\nHighest Grade: %f\n",highestGrade);
printf("Total No. of Passed: %d\n",passedCount);
//number of student failed = total - passed
printf("Total No. of Failed: %d\n",n-passedCount);
}

Look in the Expected Results in the Outputs!

LAST RUN on 3/28/2021, 1:12:30 AM
Check 1 failed
Output:
Enter Number of Records:
Records of STUDENT: 1
ID:
Name:
Percentage:
Records of STUDENT: 2
ID:
Name:
Percentage:
Records of STUDENT: 3
ID:
Name:
Percentage:
Highest Grade: 90.50000o
Total No. of Passed: 2
Total No. of Failed: 1
Expected:
Enter Number of Records:
Records of STUDENT: 1
ID:
Name:
Percentage:
Records of STUDENT: 2
ID:
Name:
Percentage:
Records of STUDENT: 3
ID:
Name:
Percentage:
Highest Grade: 90.50
Total No. of Passed: 2
Total No. of Failed: 1
Check 2 failed
Output:
Enter Number of Records:
Records of STUDENT: 1
ID:
Name:
Percentage:
Records of STUDENT: 2
ID:
Name:
Percentage:
Records of STUDENT: 3
ID:
Name:
Percentage:
Records of STUDENT: 4
ID:
Name:
Percentage:
Records of STUDENT: 5
ID:
Name:
Percentage:
Highest Grade: 99.750000
Total No. of Passed: 3
Expected:
Enter Number of Records:
Records of STUDENT: 1
ID:
Name:
Percentage:
Records of STUDENT: 2
ID:
Name:
Percentage:
Records of STUDENT: 3
ID:
Name:
Percentage:
Records of STUDENT: 4
ID:
Name:
Percentage:
Records of STUDENT: 5
ID:
Name:
Percentage:
Highest Grade: 99.75
Total No. of Passed: 3
Total No. of Failed: 2

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