Grade Checker in C++

A very simple program to check the grade of the student using C++.

I am currently accepting programming work kindly contact me in the following email address for further details. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental is (034) 4335675.

Program Listing

#include <iostream>

using namespace std;

 int grade(int a, int b, int c)

  {

      int solve=0;

      solve = (a+b+c) / 3;

      if (solve >= 75) {

           cout << "Your Average Grade is " <<solve << "." << endl;

           cout << "You Passed the Subject";

      }

      else

        {

           cout << "Your Average Grade is " <<solve << "." << endl;

           cout << "You Failed the Subject";

      }

  }

    main() {

          int grades[3];

          cout << "\t\t Grade Solver Version 1.0";

          cout << "\n\n";

          cout << "Enter the Three Grades : ";

          cin >> grades[0] >> grades[1] >> grades[2];

          cout << "\n\n";

          grade(grades[0], grades[1], grades[2]);

          cout << "\n\n";

          system("pause");

    }

Binary Search in C

A program to show binary search using C language.

I am currently accepting programming work kindly contact me in the following email address for further details. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental is (034) 4335675.

Program Listing

#include <stdio.h>

#include <conio.h>

void main( )

{

int arr[10] = { 1, 2, 3, 9, 11, 13, 17, 25, 57, 90 } ;

int mid, lower = 0 , upper = 9, num, flag = 1 ;

printf ( "Enter number to search: " ) ;

scanf ( "%d", &num ) ;

for ( mid = ( lower + upper ) / 2 ; lower <= upper ;

mid = ( lower + upper ) / 2 )

{

if ( arr[mid] == num )

{

printf ( "The number is at position %d in the array.", mid ) ;

flag = 0 ;

break ;

}

if ( arr[mid] > num )

upper = mid - 1 ;

else

lower = mid + 1 ;

}

if ( flag )

printf ( "Element is not present in the array." ) ;

}

Merge Sort in C

A program to show merge sort in C language.

I am currently accepting programming work kindly contact me in the following email address for further details. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental is (034) 4335675.

Program Listing

#include <stdio.h>

#include <conio.h>

void main( )

{

int a[5] = { 11, 2, 9, 13, 57 } ;

int b[5] = { 25, 17, 1, 90, 3 } ;

int c[10] ;

int i, j, k, temp ;

printf ( "Merge sort.\n" ) ;

printf ( "\nFirst array:\n" ) ;

for ( i = 0 ; i <= 4 ; i++ )

printf ( "%d\t", a[i] ) ;

printf ( "\n\nSecond array:\n" ) ;

for ( i = 0 ; i <= 4 ; i++ )

printf ( "%d\t", b[i] ) ;

for ( i = 0 ; i <= 3 ; i++ )

{

for ( j = i + 1 ; j <= 4 ; j++ )

{

if ( a[i] > a[j] )

{

temp = a[i] ;

a[i] = a[j] ;

a[j] = temp ;

}

if ( b[i] > b[j] )

{

temp = b[i] ;

b[i] = b[j] ;

b[j] = temp ;

}

}

}

for ( i = j = k = 0 ; i <= 9 ; )

{

if ( a[j] <=  b[k] )

c[i++] = a[j++] ;

else

c[i++] = b[k++] ;

if ( j == 5 || k == 5 )

break ;

}

for ( ; j <= 4 ; )

c[i++] = a[j++] ;

for ( ; k <= 4 ; )

c[i++] = b[k++] ;

printf ( "\n\nArray after sorting:\n") ;

for ( i = 0 ; i <= 9 ; i++ )

printf ( "%d\t", c[i] ) ;

}

Linear Search in C

A program to show how to implement linear search in C language.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental is (034) 4335675.

Program Listing

#include <stdio.h>
#include <conio.h>

void main( )
{
int arr[10] = { 1, 2, 3, 9, 11, 13, 17, 25, 57, 90 } ;
int i, num ;

printf ( "Enter number to search: " ) ;
scanf ( "%d", &num ) ;

for ( i = 0 ; i <= 9 ; i++ )
{
if ( arr[9] < num || arr[i] >= num )
{
if ( arr[i] == num )
printf ( "The number is at position %d in the array.", i ) ;
else
printf ( "Number is not present in the array." ) ;
break ;
}
}

}

Selection Sort in C

A program to demonstrate selection sort in C language.

I am currently accepting programming work kindly contact me in the following email address for further details. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental is (034) 4335675.

Program Listing

#include <stdio.h>

#include <conio.h>

void main( )

{

int arr[5] = { 125, 172, 313, 131, 23 } ;

int i, j, temp ;

printf ( "Selection sort.\n" ) ;

printf ( "\nArray before sorting:\n") ;

for ( i = 0 ; i <= 4 ; i++ )

printf ( "%d\t", arr[i] ) ;

for ( i = 0 ; i <= 3 ; i++ )

{

for ( j = i + 1 ; j <= 4 ; j++ )

{

if ( arr[i] > arr[j] )

{

temp = arr[i] ;

arr[i] = arr[j] ;

arr[j] = temp ;

}

}

}

printf ( "\n\nArray after sorting:\n") ;

for ( i = 0 ; i <= 4 ; i++ )

printf ( "%d\t", arr[i] ) ;

getch( ) ;

}

Quick Sort in C

A program to show quick sort algorithm in C language.

I am currently accepting programming work kindly contact me in the following email address for further details. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental is (034) 4335675.

Program Listing

#include <stdio.h>

#include <conio.h>

int split ( int*, int, int ) ;

void main( )

{

int arr[10] = { 11, 2, 9, 13, 57, 25, 17, 1, 90, 3 } ;

int i ;

void quicksort ( int *, int, int ) ;

printf ( "Quick sort.\n" ) ;

printf ( "\nArray before sorting:\n") ;

for ( i = 0 ; i <= 9 ; i++ )

printf ( "%d\t", arr[i] ) ;

quicksort ( arr, 0, 9 ) ;

printf ( "\nArray after sorting:\n") ;

for ( i = 0 ; i <= 9 ; i++ )

printf ( "%d\t", arr[i] ) ;

}

void quicksort ( int a[ ], int lower, int upper )

{

int i ;

if ( upper > lower )

{

i = split ( a, lower, upper ) ;

quicksort ( a, lower, i - 1 ) ;

quicksort ( a, i + 1, upper ) ;

}

}

int split ( int a[ ], int lower, int upper )

{

int i, p, q, t ;

p = lower + 1 ;

q = upper ;

i = a[lower] ;

while ( q >= p )

{

while ( a[p] < i )

p++ ;

while ( a[q] > i )

q-- ;

if ( q > p )

{

t = a[p] ;

a[p] = a[q] ;

a[q] = t ;

}

}

t = a[lower] ;

a[lower] = a[q] ;

a[q] = t ;

return q ;

}

Heap Sort in C

A program to show heap sort using C language.

I am currently accepting programming work kindly contact me in the following email address for further details. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental is (034) 4335675.

Program Listing

heap.c

#include <stdio.h>

#include <conio.h>

void makeheap ( int [ ], int ) ;

void heapsort ( int [ ], int ) ;

void main( )

{

int arr[10] = { 11, 2, 9, 13, 57, 25, 17, 1, 90, 3 } ;

int i ;

clrscr( ) ;

printf ( "Heap Sort.\n" ) ;

makeheap ( arr, 10 ) ;

printf ( "\nBefore Sorting:\n" ) ;

for ( i = 0 ; i <= 9 ; i++ )

printf ( "%d\t", arr[i] ) ;

heapsort ( arr, 10 ) ;

printf ( "\nAfter Sorting:\n" ) ;

for ( i = 0 ; i <= 9 ; i++ )

printf ( "%d\t", arr[i] ) ;

getch( );

}

void makeheap ( int x[ ], int n )

{

int i, val, s, f ;

for ( i = 1 ; i < n ; i++ )

{

val = x[i] ;

s = i ;

f = ( s - 1 ) / 2 ;

while ( s > 0 && x[f] < val )

{

x[s] = x[f] ;

s = f ;

f = ( s - 1 ) / 2 ;

}

x[s] = val ;

}

}

void heapsort ( int x[ ], int n )

{

int i, s, f, ivalue ;

for ( i = n - 1 ; i > 0 ; i-- )

{

ivalue = x[i] ;

x[i] = x[0] ;

f = 0 ;

if ( i == 1 )

s = -1 ;

else

s = 1 ;

if ( i > 2 && x[2] > x[1] )

s = 2 ;

while ( s >= 0 && ivalue < x[s] )

{

x[f] = x[s] ;

f = s ;

s = 2 * f + 1 ;

if ( s + 1 <= i - 1 && x[s] < x[s + 1] )

s++ ;

if ( s > i - 1 )

s = -1 ;

}

x[f] = ivalue ;

}

}

Insertion Sort in C

A program to show insertion sort using C language.

I am currently accepting programming work kindly contact me in the following email address for further details. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental is (034) 4335675.

Program Listing

#include <stdio.h>

#include <conio.h>

void main( )

{

int arr[5] = { 251, 17, 313, 135, 23 } ;

int i, j, k, temp ;

clrscr( ) ;

printf ( "Insertion sort.\n" ) ;

printf ( "\nArray before sorting:\n") ;

for ( i = 0 ; i <= 4 ; i++ )

printf ( "%d\t", arr[i] ) ;

for ( i = 1 ; i <= 4 ; i++ )

{

for ( j = 0 ; j < i ; j++ )

{

if ( arr[j] > arr[i] )

{

temp = arr[j] ;

arr[j] = arr[i] ;

for ( k = i ; k > j ; k-- )

arr[k] = arr[k - 1] ;

arr[k + 1] = temp ;

}

}

}

printf ( "\n\nArray after sorting:\n") ;

for ( i = 0 ; i <= 4 ; i++ )

printf ( "%d\t", arr[i] ) ;

getch( ) ;

}

Towers of Hanoi in C

A C program that shows how towers of Hanoi works.

I am currently accepting programming work kindly contact me in the following email address for further details. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental is (034) 4335675.

Program Listing

#include <stdio.h>

#include <conio.h>

void move ( int, char, char, char ) ;

void main( )

{

int n = 3 ;

clrscr( ) ;

move ( n, 'A', 'B', 'C' ) ;

getch( ) ;

}

void move ( int n, char sp, char ap, char ep )

{

if ( n == 1 )

printf ("\nMove from %c to %c ", sp, ep ) ;

else

{

move ( n - 1, sp, ep, ap ) ;

move ( 1, sp, ' ', ep ) ;

move ( n - 1, ap, sp, ep ) ;

}

}

Dictionary Program in C

A simulation of dictionary program using linked list in C.

I am currently accepting programming work kindly contact me in the following email address for further details. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental is (034) 4335675.

Program Listing

dictionary.c

#include <stdio.h>

#include <conio.h>

#include <malloc.h>

#include <stdlib.h>

#include <string.h>

#include <ctype.h>

struct node

{

char data [ 20 ] ;

char m [ 5 ] [ 20 ] ;

int mcount ;

struct node * link ;

} ;

struct node * dic [ 26 ] ;

void add ( char * ) ;

int  search ( char * ) ;

void show( ) ;

void deldic( ) ;

void main( )

{

char word [ 20 ] , ch ;

int i ;

clrscr( ) ;

while ( 1 )

{

clrscr( ) ;

printf ( "\n\t\tDictionary\n" ) ;

printf ( "\n\t\t1.Add Word.\n" ) ;

printf ( "\t\t2.Search Word.\n" ) ;

printf ( "\t\t3.Show Dictionary.\n" ) ;

printf ( "\t\t0.Exit." ) ;

printf ( "\n\n\t\tYour Choice ") ;

scanf ( "%d", &ch ) ;

switch ( ch )

{

case 1 :

printf ( "\nEnter any word : " ) ;

fflush ( stdin ) ;

gets ( word ) ;

add ( word ) ;

break ;

case 2 :

printf ( "\nEnter the word to search : " ) ;

fflush ( stdin ) ;

gets ( word ) ;

i = search ( word ) ;

if ( ! i )

printf ( "Word does not exists." ) ;

getch( ) ;

break ;

case 3 :

show( ) ;

getch( ) ;

break ;

case 0 :

deldic( ) ;

exit ( 0 ) ;

default :

printf ( "\nWrong Choice" ) ;

}

}

}

void add ( char * str )

{

int i, j = toupper ( str [ 0 ] ) - 65 ;

struct node * r, * temp = dic [ j ], * q ;

char mean [ 5 ] [ 20 ], ch = 'y' ;

i = search ( str ) ;

if ( i )

{

printf ( "\nWord already exists." ) ;

getch( ) ;

return ;

}

q = ( struct node * ) malloc ( sizeof ( struct node ) ) ;

strcpy ( q -> data, str ) ;

q -> link = NULL ;

for ( i = 0 ; tolower ( ch ) == 'y' && i < 5 ; i++ )

{

fflush ( stdin ) ;

printf ( "\n\nEnter the meaning(s) : " ) ;

gets ( mean [ i ] ) ;

strcpy ( q -> m [ i ] , mean [ i ] ) ;

if ( i != 4 )

printf ( "\nAdd more meanings (y/n) " ) ;

else

printf ( "You cannot enter more than 5 meanings." ) ;

fflush ( stdin ) ;

ch = getche( ) ;

}

q -> mcount = i ;

if ( dic [ j ] == NULL || strcmp ( dic [ j ] -> data, str ) > 0 )

{

r = dic [ j ] ;

dic [ j ] = q ;

q -> link = r ;

return ;

}

else

{

while ( temp != NULL )

{

if ( ( strcmp ( temp -> data, str ) < 0 ) && ( ( strcmp ( temp -> link -> data, str ) > 0 ) ||

temp -> link == NULL ) )

{

q -> link = temp -> link ;

temp -> link = q ;

return ;

}

temp = temp -> link ;

}

}

}

int search ( char *str )

{

struct node *n ;

char temp1 [ 20 ] ;

char temp2 [ 20 ] ;

int i ;

n = dic [ toupper ( str [ 0 ] ) - 65 ] ;

strcpy ( temp2, str ) ;

strupr ( temp2 ) ;

while ( n != NULL )

{

strcpy ( temp1, n -> data ) ;

if (  strcmp ( strupr ( temp1 ), temp2 ) == 0 )

{

printf ( "\n%s\t\t%s", n -> data, n -> m [ 0 ] ) ;

for ( i = 1 ; i < n -> mcount ; i++ )

printf ( "\n\t\t%s", n -> m [ i ] ) ;

return 1 ;

}

n = n -> link ;

}

return 0 ;

}

void show( )

{

struct node *n ;

int i, j ;

printf ( "Word\t\tMeaning\n" ) ;

for ( i = 0 ; i <= 30 ; i++ )

printf ( "-" ) ;

for ( i = 0 ; i <= 25 ; i++ )

{

n = dic [ i ] ;

while ( n != NULL )

{

printf ( "\n%s\t\t%s", n -> data, n -> m [ 0 ] ) ;

for ( j = 1 ; j < n -> mcount ; j++ )

printf ( "\n\t\t%s", n -> m [ j ] ) ;

n = n -> link ;

}

}

}

void deldic( )

{

struct node *n, *t ;

int i ;

for ( i = 0 ; i <= 25 ; i++ )

{

n = dic [ i ] ;

while ( n != NULL )

{

t = n -> link ;

free ( n ) ;

n = t ;

}

}

}

Print 1 to 100 in C

A very simple program to display 1 to 100 on the screen using C language. I shows how to use for loop statement in C.

I am currently accepting programming work kindly contact me in the following email address for further details. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental is (034) 4335675.

Sample Program Output

Program Listing

print.c

#include <stdio.h>

int main()

{

    int a=0;

    printf("\t\tPrint 1 to 100");

    printf("\n\n");

     for (a=1; a <=100; a+=1)

     {

         printf("%2d " ,a);

     }

     printf("\n\n");

     printf("\t\t===== End of Program =====");

     printf("\n\n");

     return 0;

}