CS121 Exercise 2

Output:
Exer2

#include
#include

void main()
{
clrscr();
char name[22],age[2];
gotoxy(33,3);
printf("MY AUTOBIOGRAPHY\n");
gotoxy(8,5);
printf("I am Annalou S. Bentayao, 20 yrs of age. I live in Brgy. 22-C Piapi\n Blvard,");
printf(" presently I studied at University of Mindanao taking up BSCS. I\n strive my best");
printf(" to attain my goal which to finish my study and to achieve\n my ambition to become succesfull");
printf(" proggramer someday. So that I can get out\n my family from poverty. That what as simple as me!!!");



getch();
}

CS121 Exercises 7

Output:

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();

}

CS121 Exercises 8

Output:
Exer8





#include
#include
#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 "); } }

CS121 Exercises 5

Output:
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(); }

CS121 Exercises 6

Output:

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();

}

CS121 Exercises 4

Output:

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("Oops! Sorry! That day is not available!");}

getch();

}

CS121 Exercises 3

Output:
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();
}