beginners needs help - MYCPLUS - C and C++ Programming Resources

This topic has 4 replies, 2 voices, and was last updated 13 years, 9 months ago by GWILouisaxwzkla.

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December 29, 2009 at 8:32 am #2235
JerrodBillingto
Participant
i have an assignment…i cant do it…
how can i count the number i input
example
example
i input
1
4
5
12
6
1
3
4
5
how can i count if howmany 1, 4 , 5, 12, 6, 3 are there..
really need help

December 29, 2009 at 5:08 pm #3616

GWILouisaxwzkla

Participant

could try:

<br />
<br />
/****************************************************************<br />
* File Name : c:programstempCG.cpp<br />
* Date : December,29,2009<br />
* Comments : new project<br />
* Compiler/Assembler : Visual C++ 6.0<br />
* Modifications :<br />
*<br />
*<br />
*<br />
*<br />
*<br />
* Program Shell Generated At: 11:37:28 a.m.<br />
=-=-=-=-=-=-=-=--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/<br />
<br />
<br />
#include < iostream ><br />
//#include < string.h ><br />
//#include < conio.h ><br />
//#include < math.h ><br />
//#include < iomanip ><br />
//#include < ctype.h ><br />
<br />
using namespace std;<br />
<br />
//main function ******************************<br />
<br />
int main ( )<br />
{<br />
<br />
int input;<br />
int numberOfInputItems;<br />
int numberCount = 0;<br />
<br />
cout << "Enter number of items to input: ";<br />
cin >> numberOfInputItems;<br />
<br />
int i = 0;<br />
while ( i < numberOfInputItems )<br />
{<br />
cout << "enter a number: ";<br />
cin >> input;<br />
if ( input == 1 || input == 4 || input == 5 || input == 12 ||<br />
input == 6 || input == 3 )<br />
numberCount ++;<br />
i ++;<br />
}<br />
<br />
cout << endl;<br />
cout << "The count was " << numberCount << endl;<br />
}<br />
<br />

/****************************************************************

* File Name : c:programstempCG.cpp

* Date : December,29,2009

* Comments : new project

* Compiler/Assembler : Visual C++ 6.0

* Modifications :

*

* Program Shell Generated At: 11:37:28 a.m.

=-=-=-=-=-=-=-=--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

#include < iostream >

//#include < string.h >

//#include < conio.h >

//#include < math.h >

//#include < iomanip >

//#include < ctype.h >

using namespace std;

//main function ******************************

int main ( )

{

int input;

int numberOfInputItems;

int numberCount = 0;

cout << "Enter number of items to input: ";

cin >> numberOfInputItems;

int i = 0;

while ( i < numberOfInputItems )

{

cout << "enter a number: ";

cin >> input;

if ( input == 1 || input == 4 || input == 5 || input == 12 ||

input == 6 || input == 3 )

numberCount ++;

i ++;

}

cout << endl;

cout << "The count was " << numberCount << endl;

}

December 31, 2009 at 8:29 am #3617
JerrodBillingto
Participant
thank you so very very much!…
one more question…
how can in arrange the numbers in ascending order?…happy new year!
December 31, 2009 at 8:38 am #3618
JerrodBillingto
Participant
what if the program requires me to input a maximum of 20 numbers then count the number of similar numbers?…and arrange the numbers that the user input in ascending order…THANK YOU!

January 2, 2010 at 9:40 pm #3619

GWILouisaxwzkla

Participant

Don’t know what type of sort you need to use but heres one with bubble sort:



/****************************************************************
* File Name : c:programstempCG.cpp
* Date : December,29,2009
* Comments : new project
* Compiler/Assembler : Visual C++ 6.0
* Modifications :
*
*
*
*
*
* Program Shell Generated At: 11:37:28 a.m.
=-=-=-=-=-=-=-=--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/


#include < iostream >
//#include < string.h >
//#include < conio.h >
//#include < math.h >
//#include < iomanip >
//#include < ctype.h >

using namespace std;


void bubbleSort ( int * array , int numberItems );


//main function ******************************

const int MAX_NUMBERS = 20;

int main ( )
{

int input;
int numberOfInputItems;
int numberCount = 0;
int numbers [ MAX_NUMBERS ];

cout << "Enter number of items to input: ";
cin >> numberOfInputItems;

int i = 0;
while ( i < numberOfInputItems )
{
cout << "enter a number: ";
cin >> numbers [ i ] ;
if ( numbers [ i ] == 1 || numbers [ i ] == 4 || numbers [ i ] == 5 || numbers [ i ] == 12 ||
numbers [ i ] || numbers [ i ] == 3 )
numberCount ++;
i ++;
}

cout << endl;
cout << "The count was " << numberCount << endl << endl;

bubbleSort ( numbers , i );

int j = 0;
while ( j < i )
{
cout << numbers [ j ] << " ";
j ++;
}
}

/******************************* FUNCTION DEFINITION ******************************

Name : bubbleSort
Parameters :

array a(n) int * ,
numberItems a(n) int


Returns: Void type
Comments:



++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
void bubbleSort ( int * array , int numberItems )
{

int endSortedArray = numberItems - 1;
int lastSwapIndex;
int temp;
while ( endSortedArray > 0 ) //while not at the end of the unsorted array
{
lastSwapIndex = 0; //save index of the last item swapped
int i = 0; //start at the beggining of the unsorted array
while ( i < endSortedArray ) //while not in the sorted items
{
if ( array [ i ] > array [ i + 1 ] ) //if current item is smaller than next , bubble up
{
//swap array [ i ] and array [ i + 1 ]
temp = array [ i ];
array [ i ] = array [ i + 1 ];
array [ i + 1 ] = temp;
lastSwapIndex = i;
}
i ++;
}
endSortedArray = lastSwapIndex; //reset swap boundry
}



return;
}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

/****************************************************************

* File Name : c:programstempCG.cpp

* Date : December,29,2009

* Comments : new project

* Compiler/Assembler : Visual C++ 6.0

* Modifications :

* Program Shell Generated At: 11:37:28 a.m.

=-=-=-=-=-=-=-=--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

#include < iostream >

//#include < string.h >

//#include < conio.h >

//#include < math.h >

//#include < iomanip >

//#include < ctype.h >

using namespace std;

void bubbleSort ( int * array , int numberItems );

//main function ******************************

const int MAX_NUMBERS = 20;

int main ( )

{

int input;

int numberOfInputItems;

int numberCount = 0;

int numbers [ MAX_NUMBERS ];

cout << "Enter number of items to input: ";

cin >> numberOfInputItems;

int i = 0;

while ( i < numberOfInputItems )

{

cout << "enter a number: ";

cin >> numbers [ i ] ;

if ( numbers [ i ] == 1 || numbers [ i ] == 4 || numbers [ i ] == 5 || numbers [ i ] == 12 ||

numbers [ i ] || numbers [ i ] == 3 )

numberCount ++;

i ++;

}

cout << endl;

cout << "The count was " << numberCount << endl << endl;

bubbleSort ( numbers , i );

int j = 0;

while ( j < i )

{

cout << numbers [ j ] << " ";

j ++;

}

/******************************* FUNCTION DEFINITION ******************************

Name : bubbleSort

Parameters :

array a(n) int * ,

numberItems a(n) int

Returns: Void type

Comments:

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/

void bubbleSort ( int * array , int numberItems )

{

int endSortedArray = numberItems - 1;

int lastSwapIndex;

int temp;

while ( endSortedArray > 0 ) //while not at the end of the unsorted array

{

lastSwapIndex = 0; //save index of the last item swapped

int i = 0; //start at the beggining of the unsorted array

while ( i < endSortedArray ) //while not in the sorted items

{

if ( array [ i ] > array [ i + 1 ] ) //if current item is smaller than next , bubble up

{

//swap array [ i ] and array [ i + 1 ]

temp = array [ i ];

array [ i ] = array [ i + 1 ];

array [ i + 1 ] = temp;

lastSwapIndex = i;

}

i ++;

}

endSortedArray = lastSwapIndex; //reset swap boundry

}

return;

}

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