Exer3

#include
#include
float num1,num2,sum=0,diff=0,pro=0,quo=0;
void main(){
clrscr();
gotoxy(25,4);textcolor(YELLOW);cprintf("Basic Operations\n\n");
gotoxy(12,7);textcolor(GREEN);cprintf("Enter 1st number:");
scanf("%f", &num1);
gotoxy(12,8);textcolor(GREEN);cprintf("Enter 2nd number:");
scanf("%f", &num2);
sum=num1+num2;
gotoxy(15,11);textcolor(MAGENTA);
cprintf("Sum of %.2f and %.2f is %.2f",num1,num2,sum);
diff=num1-num2;
gotoxy(15,13);textcolor(MAGENTA);
cprintf("Difference of %.2f and %.2f is %.2f",num1,num2,diff);
pro=num1*num2;
gotoxy(15,15);textcolor(MAGENTA);
cprintf("Product of %.2f and %.2f is %.2f",num1,num2,pro);
quo=num1/num2;
gotoxy(15,17);textcolor(MAGENTA);
cprintf("Quotient of %.2f and %.2f is %.2f",num1,num2,quo);
getch();
}

exer8

#include
#include
void nextscreen();
void nextscreen2();
void box();
void loop();


void main()
{
nextscreen();
nextscreen2();
getche();
}

void loop()
{
for(int i=1;i<=25;i++) {
gotoxy(29+i,16);textcolor(RED);cprintf("Û");delay(60);
}
for(int o=1;o<=25;o++)
{
gotoxy(29+o,16);textcolor(YELLOW);cprintf("°");
} }
void nextscreen2()
{
clrscr();
int a,b,x,y,z,choice;
for(x=1;x<=77;x++)
{
gotoxy(2+x,1);textcolor(YELLOW);cprintf("Í");
gotoxy(2+x,21);textcolor(YELLOW);cprintf("Í");
}
for(y=1;y<=20;y++)
{
gotoxy(3,1+y);textcolor(YELLOW);cprintf("º");
gotoxy(79,1+y);textcolor(YELLOW);cprintf("º");
}
gotoxy(3,1);textcolor(YELLOW);cprintf("É");
gotoxy(3,21);textcolor(YELLOW);cprintf("È");
gotoxy(79,1);textcolor(YELLOW);cprintf("»");
gotoxy(79,21);textcolor(YELLOW);cprintf("¼");
for(a=1;a<=49;a++)
{
gotoxy(15+a,4);textcolor(CYAN);cprintf("ß");
gotoxy(15+a,17);textcolor(CYAN);cprintf("Ü");
}
for(b=1;b<=14;b++)
{
gotoxy(16,3+b);textcolor(CYAN);cprintf("Þ");
gotoxy(65,3+b);textcolor(CYAN);
cprintf("Ý ");
}
gotoxy(35,3);textcolor(GREEN);cprintf("M E N U");
gotoxy(30,6);textcolor(GREEN);cprintf("[1] Addition ");
gotoxy(30,8);textcolor(GREEN);cprintf("[2] Subtraction");
gotoxy(30,10);textcolor(GREEN);cprintf("[3] Multplication");
gotoxy(30,12);textcolor(GREEN);cprintf("[4] Division");
gotoxy(30,14);textcolor(GREEN);cprintf("[5] Exit");
gotoxy(30,15);textcolor(YELLOW);cprintf("Please make your choice:");
scanf("%d",&choice);switch(choice)
{
case 1: float sum=0,x,y; clrscr();
box();
gotoxy(30,7);textcolor(LIGHTRED);cprintf("Enter 1st number: ");scanf("%f", &x);
gotoxy(30,8);textcolor(LIGHTRED);cprintf("Enter 2nd number: ");scanf("%f", &y);
sum=x+y;
gotoxy(30,10);textcolor(YELLOW);cprintf("Sum is %f.", sum);
getche();

nextscreen2();
break;
case 2:
float dif=0,a,b;
clrscr();
box();
gotoxy(30,7);textcolor(LIGHTRED);cprintf("Enter 1st number: ");scanf("%f", &a);
gotoxy(30,8);textcolor(LIGHTRED);cprintf("Enter 2nd number: ");scanf("%f", &b);
dif=a-b;
gotoxy(30,10);textcolor(YELLOW);cprintf("Difference is %f.", dif);
getche();
nextscreen2();
break;

case 3:
float pro=0,c,d;
clrscr();
box();
gotoxy(30,7);textcolor(LIGHTRED);cprintf("Enter 1st number: ");scanf("%f", &c);
gotoxy(30,8);textcolor(LIGHTRED);cprintf("Enter 2nd number: ");scanf("%f", &d);
pro=c*d;
gotoxy(30,10);textcolor(YELLOW);cprintf("Product is %f.", pro);
getche();
nextscreen2();
break;
case 4:
float quo=0,e,f;
clrscr();
box();
gotoxy(30,7);textcolor(LIGHTRED);cprintf("Enter 1st number: ");scanf("%f", &e);
gotoxy(30,8);textcolor(LIGHTRED);cprintf("Enter 2nd number: ");scanf("%f", &f);
quo=e/f; gotoxy(30,10);
textcolor(YELLOW);cprintf("Quotient is %f.", quo);
getche();
nextscreen2();
break;
case 5:
exit (0);
nextscreen2();
break;
default:
gotoxy(30,16);
textcolor(WHITE);cprintf("Invalid input");
getche();
nextscreen2();
break;
}
getche();
}
void nextscreen()
{
clrscr();
int a,b,x,y,z;
for(x=1;x<=77;x++)
{
gotoxy(2+x,1);textcolor(YELLOW);cprintf("Í"); gotoxy(2+x,21);textcolor(YELLOW);cprintf("Í");
}
for(y=1;y<=20;y++)
{
gotoxy(3,1+y);textcolor(YELLOW);cprintf("º"); gotoxy(79,1+y);textcolor(YELLOW);cprintf("º");
}
gotoxy(3,1);textcolor(YELLOW);cprintf("É");
gotoxy(3,21);textcolor(YELLOW);cprintf("È");
gotoxy(79,1);textcolor(YELLOW);cprintf("»");
gotoxy(79,21);textcolor(YELLOW);cprintf("¼"); for(a=1;a<=49;a++) {
gotoxy(15+a,4);textcolor(CYAN);cprintf("ß");
gotoxy(15+a,17);textcolor(CYAN);cprintf("Ü"); } for(b=1;b<=14;b++) {
gotoxy(16,3+b);textcolor(CYAN);cprintf("Þ");
gotoxy(65,3+b);textcolor(CYAN);cprintf("Ý "); }
gotoxy(35,3);textcolor(GREEN);cprintf("W E L C O M E");
gotoxy(40,6);textcolor(GREEN);cprintf("T O");
gotoxy(30,8);textcolor(GREEN);cprintf("C S 1 2 1 ");
gotoxy(40,10);textcolor(GREEN);cprintf("P R O G R A M M I N G");
gotoxy(30,12);textcolor(GREEN);cprintf("W O R L D"); for(z=1;z<=25;z++){
gotoxy(29+z,16);textcolor(YELLOW);cprintf("ß"); }
gotoxy(28,15);textcolor(RED);cprintf("LOADING......");
for(int d=1;d<=5;d++) { loop(); } } void box() {
clrscr(); int a,b,x,y,z; for(x=1;x<=77;x++) {
gotoxy(2+x,1);textcolor(YELLOW);cprintf("Í");
gotoxy(2+x,21);textcolor(YELLOW);cprintf("Í"); } for(y=1;y<=20;y++){
gotoxy(3,1+y);textcolor(YELLOW);cprintf("º");
gotoxy(79,1+y);textcolor(YELLOW);cprintf("º"); }
gotoxy(3,1);textcolor(CYAN);cprintf("É");
gotoxy(3,21);textcolor(CYAN);cprintf("È");
gotoxy(79,1);textcolor(CYAN);cprintf("»");
gotoxy(79,21);textcolor(CYAN);cprintf("¼"); for(a=1;a<=49;a++) {
gotoxy(15+a,4);textcolor(CYAN);cprintf("ß");
gotoxy(15+a,17);textcolor(CYAN);cprintf("Ü"); } for(b=1;b<=14;b++) {
gotoxy(16,3+b);textcolor(CYAN);cprintf("Þ");
gotoxy(65,3+b);textcolor(CYAN);cprintf("Ý "); } }

exer7

#include
#include

int salary,years,bonus;
void main()
{
clrscr();
printf("Enter salary:\n");
scanf("%d",&salary);
printf("Enter years of service:\n");
scanf("%d",&years);
bonus=0;
if (years==1)
{
bonus=salary*0.10;
printf("Bonus:%d",bonus);
}
else if((years<=5)&&(years>=2)){
bonus=salary*0.20;
printf("Bonus:%d",bonus);
}
else if((years<=10&&(years>=6)))
{
bonus=salary*0.50;
printf("Bonus:%d",bonus);}
else if((years<=11)){ bonus=salary*0.75; printf("Bonus:%d",bonus);
} getch();
}

exer6

#include

#include

float grade, average, items, sum;

void main(){

clrscr();

average=0;

sum=0;

do{printf("Enter grade (-1 to exit): ");

scanf("%f", &grade);

if((grade!=-1)&&(grade<=100)) {
items++; sum=sum+grade; } }while(grade!=-1);
average=sum/items; printf("Class Average: %.2f\n", average);
if((average>=95)&&(average<=100)) {
printf("Rating: A"); } else if((average>=90)&&(average<=94)) {
printf("Rating: B"); } else if((average>=85)&&(average<=89)) {
printf("Rating: C"); } else if((average>=80)&&(average<=84)) {
printf("Rating: D"); } else if((average>=75)&&(average<=79)) {
printf("Rating: E"); } else if(average<=74) { printf("Rating: FAILED");
}

getch();

}

exer5

#include

#include

void main(){

int a, b, c;

int choice;

clrscr();

printf("\n Enter a number: ");

scanf("%d", &a);

printf("\n\t\t[A] - Pattern 1\n\n");

printf("\t\t[B] - Pattern 2\n\n");

printf("\t\t[C] - Pattern 3\n\n");

printf("\t\t[D] - Pattern 4\n\n");

printf("Select your choice: ");

scanf("%s",&choice);

switch (choice){

case 'A':

printf("\n ");for(b=1; b<=a; b++){

for(c=1; c<=b; c++)printf("*");

printf("\n ");}

break;

case 'B':

printf("\n ");

for(c=a; c>=1; c--){

for(b=1; b<=c; b++)

printf("*");

printf("\n ");}

break;

case 'C':

printf("\n ");

for(b=1; b<=a; b++){

for(c=1; c<=(a-b); c++)

printf(" ");for(c=1; c<=b; c++)

printf("*");printf("\n ");}

break;

case 'D':

printf("\n ");

for(int b=a-1; b>=0; b--){

for(int c=b; cprintf(" ");

for(int d=0; d<=b; d++)

printf("*");printf("\n ");}

break;

default:

clrscr();

printf("\n\n\n\n\t\t\tYour choice is not available!\n\n\n\n\t\t\tTry again later...!!!");}

getch();

}

exer4

#include
#include

void main(){
clrscr();
int day;
gotoxy(30,5);textcolor(YELLOW+BLINK);cprintf("._. W e L c O m e ._.");
gotoxy(15,8);textcolor(GREEN);cprintf("Enter a number:");
scanf("%d",&day);

switch(day){
case 1:
gotoxy(25,10);textcolor(LIGHTRED);cprintf("Sunday");
break;

case 2:
gotoxy(25,10);textcolor(LIGHTRED);cprintf("Monday");
break;

case 3:
gotoxy(25,10);textcolor(LIGHTRED);cprintf("Tuesday");
break;

case 4:
gotoxy(25,10);textcolor(LIGHTRED);cprintf("Wednesday");
break;

case 5:
gotoxy(25,10);textcolor(LIGHTRED);cprintf("Thursday");
break;

case 6:
gotoxy(25,10);textcolor(LIGHTRED);cprintf("Friday");
break;

case 7:
gotoxy(25,10);textcolor(LIGHTRED);cprintf("Saturday");
break;

default:
gotoxy(20,10);textcolor(LIGHTRED);cprintf("wait...im Sorry! That day is not available!");}


getch();

}

exer2

#include
#include
# define g gotoxy
# define p printf
void main()
{
clrscr();

g(35,2);
printf("MY AUTOBIOGRAPHY");
g(8,5);
p("I am April Mae E. Maton, 19 years of age and i am now taking up BSIT in the University of \n Mindanao.");
p("I was born on April 21,1989 Toril Davao City");
p(" I am with my\n parent's custody.");
p("We are five in the family, including my parents.");
p("My Parents are both working abroad now.\t");
p("\n\t I used to spend my leisure time in listening music specially christian.");
p("I love to be with someone who enjoy's listening music and can be\nable to deal with it,.");
p("However, I feel hazardous to be with someone whose nothing but phonys backstabbers and annoying backfighters!.,");
p("\n\t My goals in life is to pursue the dream of my Parents,");
p(",there dream is a big influence to me to pursue my studies");
p("\n\n\n\t\t\"say what you,mean what you say and please have something to say.\");


getch();
}