#include<conio.h>

#include <stdlib.h>

main(){

       float sales[20];

       float salary[20];

       int x;

       float per = .09;

       for(x=0 ;x<=20;x++){

            printf("Enter Sales in dollar(-1 to end): ");

            scanf("%f",&sales[x]);

            // for -1 input

            if(sales[x]== -1){

                             break;

            }

       salary[x] = sales[x] * per + 200;

       printf("Salary is: $%.2f\n\n\n\n",salary[x]);

       if(x >= 19 ){

                                    printf("Array Exceeded Exiting Program. . .");

                                    getch();

            }

       }

}

#include<conio.h>

#include <stdlib.h>

int main(){

    int accountN[5];

    float balance[5];

    float charges[5];

    float credits[5];

    float creditL[5];

    float nBalance[5];

    int x;

    for(x=0 ;x<5;x++){

            printf("Enter Account Number(-1 to end): ");

            scanf("%d",&accountN[x]);

            // for -1 input

            if(accountN[x]== -1){

                             getch();

                             break;

            }

            printf("Enter Beginning Balance: ");

            scanf("%f",&balance[x]);

            printf("Enter Total Charges: ");

            scanf("%f",&charges[x]);

            printf("Enter Total Credits: ");

            scanf("%f",&credits[x]);

            printf("Enter Credit Limit: ");

            scanf("%f",&creditL[x]);

            nBalance[x] = balance[x] + charges[x] - credits[x];

            printf("\n");

            if(nBalance[x] > creditL[x]){

                           printf("\n");

                           printf("\n");

                        printf("\nAccount:\t %d", accountN[x]);

                        printf("\nCredit Limit:\t %.2f ",creditL[x] );

                        printf("\nBalance:\t %.2f", nBalance[x]);

                        printf("\nCredit Limit Exceeded.\n");

                        printf("\n");

                        printf("\n");

            }

    }

}

#include<conio.h>

#include <stdlib.h>

int main(){

           float gallons[5];

           int x;

           int miles[5];

           int totalM = 0;

           float total = 0;

           float totalN=0;

           float ave;

           for(x=0 ;x<5;x++){

           printf("\nEnter Gallons used(-1 to end): ");

           scanf("%f",&gallons[x]);

           if(gallons[x] == -1){

                   break;//exit

           }

           printf("Enter Miles Driven: ");

           scanf("%d",&miles[x]);

           // summation

           totalM += miles[x];

           totalN += gallons[x];

           total = miles[x] / gallons[x];

           ave = totalM / totalN;

           printf("\nThe Miles / gallon for this tank was %.6f\n",total);

           }// end of loop

           printf("\nThe Overall average miles/gallon was %.6f",ave);

           getch();

}

int main(){
       char subject[]= "Cprog1:";
       char subject1[]= "CHST:";
       char subject2[]= "English2:";
       char subject3[]= "Math2:";
       char subject4[]= "Filipino2:";
       int id;
       float total[4];
       float pGrade[4];
       float mGrade[4];
       float fGrade[4];
       float ave[4];
       float sAve;
       float pAve,mAve,fAve;
    printf("CPROG 1 \nPRELIM PRACTICAL EXAM \nAY2007 - 2008\n\n");
    printf("\nEnter Your 3 digits ID number: ");
    scanf("%d",&id);
    printf("\nEnter Subjects taken / enrolled and their prelim , midterm and finals Grades.\n");
    printf("—————————————————————————–\n");
    printf("Subjects\t\tPrelim\t\tMidterm\t\tFinals\n");
    printf("—————————————————————————–\n");
    
    for(int x = 0;x<5;x++){
    if(x==0){
    printf("%s",subject);
    }
    if(x==1){
    printf("%s",subject1);
    }
    if(x==2){
    printf("%s",subject2);
    }
    if(x==3){
    printf("%s",subject3);
    }
    if(x==4){
    printf("%s",subject4);
    }
            scanf("%f",&pGrade[x]);
            scanf("%f",&mGrade[x]);
            scanf("%f",&fGrade[x]);
            total[x] = pGrade[x] + mGrade[x] + fGrade[x];
            ave[x] = total[x]/3;
            pAve += pGrade[x];
            mAve += mGrade[x];
            fAve += fGrade[x];
    }
    printf("\n");
    for(int x = 0;x<5;x++){
    if(x==0){
    printf("%s Average:",subject);
    }
    if(x==1){
    printf("%s Average:",subject1);
    }
    if(x==2){
    printf("%s Average:",subject2);
    }
    if(x==3){
    printf("%s Average:",subject3);
    }
    if(x==4){
    printf("%s Average:",subject4);
    }
    printf("%.2f \n",ave[x]);
    }
    float gP,gM,gF;
    gP = pAve/5;
    gM = mAve/5;
    gF = fAve/5;
    printf("\n\n\n\tPrelim Average: %.2f ",gP);
    printf("\n\tMidterm Average: %.2f ",gM);
    printf("\n\tFinal Average: %.2f ",gF);
    sAve = (gP + gM+ gF)/3;
    printf("\n\tSemester Average: %.2f\n ",sAve);
    
    printf("\n—————————————————————————–\nSUMMARY:\n");
    printf("Your Semester Average is %.2f and your ID number is %d.\n ",sAve,id);
    printf("\n—————————————————————————–\nFinal Decision:\n");
    if(sAve < 75 )
            printf("Failed, not qualified for the course!\n");
    else
            printf("You can now proceed to the next level!\n");
    if(sAve >= 75 && sAve <80)
    printf(" %.2fPassed, probationary status!" , sAve);
    if(sAve >= 80 && sAve <85)
    printf(" %.2fPassed, regular student!", sAve);
    if(sAve >= 85 && sAve < 90)
    printf(" %.2fThird Honor, Congratulations!", sAve);
    if(sAve == 90 && sAve <95)
    printf(" %.2fSecond Honor, Congratulations!", sAve);
    if(sAve == 95 && sAve <100)
    printf(" %.2fFirst Honor, Congratulations!", sAve);
    if(sAve==100)
    printf(" %.2fPerfect, Excellent!");
    printf("\n—————————————————————————–");
    printf("\n-End Of Program-");

    
    getch();
}

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