HW02-unnamed hero :)

hw02-info.txt

BU ODEVDE İSTENİLEN HERSEY YAPILMAMIS OLUP BAZI EKSIKLIKLERI BULUNMAKTA
AMA KIMSEDEN GCC DE DERLENECEK BI ODEV GELMEDIGI ICIN BUNU KOYUYORUM
ödevde istenilenlerle alakalı dosya:
https://docs.google.com/document/pub?id=1sKFXby2j9RDPr0tRdPF2InTu0sphePHuDFgVdf8utkM

hw02.c

/*
	
*/
#include <stdio.h>
  
int askStudentNumber();
int askFinalExamNumber();
int askMidtermExamNumber(int);

void errorForFinalExamNumber();
void errorForMidtermExamNumber();

double askMidtermGrades(int);
double askFinalGrades(int);
double grade(double midtermAverage,double finalAverage);

int getStudentId(int);

int main(int argc,char *argv[])
{	
	int studentNum,
		finalExamNum,
		midtermExamNum;
	int i;
	double mid,fin,ave;
	FILE* output=fopen("output.txt","w");
	
	studentNum = askStudentNumber();
	finalExamNum = askFinalExamNumber();
	midtermExamNum = askMidtermExamNumber(finalExamNum);
	
	for(i=0;i<studentNum;++i)
	{		
		fprintf(output,"%d. student  grade is %f id is %d\n",i+1,
		grade(askMidtermGrades(midtermExamNum),askFinalGrades(finalExamNum)),getStudentId(i+1));
	}
	
	fclose(output);
	return 0;
}


int askStudentNumber()
{
	int num;
	do{
		printf("How many students\n(SHOULD BE MORE AND EQUAL THAN 1)\n");
		scanf("%d",&num);
	}while(num<1);
	return num;
}

int askFinalExamNumber()
{
	int num;
	do{
		errorForFinalExamNumber();
		printf("How many final exams\n");
		scanf("%d",&num);
	}while(num<1 || num >6);
	return num;
}

int askMidtermExamNumber(int finalNum)
{
	int num;
	do{
		errorForMidtermExamNumber();
		printf("How many midterm exams\n");
		scanf("%d",&num);
	}while	(num < 1 || num > 8 || num < finalNum );
	
	return num;
}

void errorForFinalExamNumber()
{
	printf("At least 1 or at most 6 final should be\n");
}

void errorForMidtermExamNumber()
{
	printf("At least 1 or at most 8 midterm should be\n");
	printf("And Mitderm exam num should be more or equal than final\n");
}


double askMidtermGrades(int examNum)
{
	int i=0;
	double total=0;
	double grade;
	
	for(i=0; i<examNum; ++i)
	{	
		printf("Enter %d. midterm grades",i+1);
		scanf("%lf",&grade);
		total += grade;
	}
	
	return total/examNum;
}

double askFinalGrades(int examNum)
{
	int i=0;
	double total=0;
	double grade;
	
	for(i=0; i<examNum; ++i)
	{	
		printf("Enter %d. final grades",i+1);
		scanf("%lf",&grade);
		total += grade;
	}
	
	return total/examNum;
}

double grade(double midtermAverage,double finalAverage)
{
	return ( ( (midtermAverage*40) / 100) + ( (finalAverage*60) / 100) );
}

int getStudentId(int studentNum)
{
	int studentId;
	
	do{
		printf("Enter %d. student 8 character id \n(DO NOT START with 0)\n",studentNum);
		scanf("%d", &studentId);
	}while( studentId < 10000000 ||  studentId > 99999999 );
	
	return studentId;
}