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c++

 
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.exe
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Joined: 28 Dec 2009
Posts: 46
PostPosted: Thu Mar 10, 2011 8:29 am    Post subject: c++ Reply with quote
help me please. create a program that the user will be ask to input 3 numbers, find the lowest and highest number and print it out.
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AhMunRa
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Joined: 06 Aug 2010
Posts: 1117
PostPosted: Thu Mar 10, 2011 8:44 am    Post subject: Reply with quote
Sounds like homework. I'll give you a few hints.

Pseudo code
Code:

int intUserIn[3];
int lowestNum = 0, highestNum = 0;

// Get my 3 numbers
cout << "enter 3 numbers:";
for( int x = 0; x < 2; x++){
    intUserIn[x] = cin.getline(intUserIn, 256);
}

// Compare for lowest and highest.
if ( intUserIn[0] < intUserIn[1] && intUserIn[0] < intUserIn[2]){
    lowestNum = intUserInt[0];
}else if ( intUserIn[1] < intUserIn[0] && intUserIn[2] ){
    lowestNum = intUserIn[1];
}else if ( intUserInt[2] < intUserIn[1] && intUserIn[2] < intUserIn[0]){
    lowsetNum = intUserIn[2];
}

//Reverse above to find highest. Return lowest and highest in cout


Not the most efficient nor the best.

A better way for that last section is probably.
Code:

unsigned min = 65535, max = 0;

// This would be inside the for loop negating the last bit of code seen previously.
#
if (min > intUserIn) min = intUserIn;
#
if (max < intUserIn) max = intUserIn;

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.exe
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Joined: 28 Dec 2009
Posts: 46
PostPosted: Thu Mar 10, 2011 9:00 am    Post subject: Reply with quote
#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int num,min=65535,max=0;
cout<<"Enter 3 number\n\n";
for(int i=1;i<=3;i++)
cin>>num;
if(min>num)
{
min=num;
}
if(max<num)
{
max=num;
}
cout<<"min\t"<<min;
cout<<endl;
cout<<"max\t"<<max;
cout<<endl;
getch();
}
--
that is my code
and i entered 3 number
8
15
1
the output is
min= -1
max= 1
--
im trying to work on this code, this is not my homework please help me thanks Smile
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AhMunRa
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Posts: 1117
PostPosted: Thu Mar 10, 2011 9:42 am    Post subject: Reply with quote
You are nearly there.

Code:

#include <cstdlib>
#include <iostream>
#include <conio.h>

using namespace std;

int main(int argc, char *argv[])
{
    int num, min = 65535, max = 0;
    cout << "Enter 3 numbers\n\n";
    for ( int i = 1; i <= 3; i++ )  // NOTE i <= 3
    {
        cin >> num;
        if ( min > num) min = num;
        if ( max < num) max = num;
    }
    cout<< "min\t"<< min;
    cout<< "max\t"<< max;
    cout<< "\n";
    system("PAUSE");
    return EXIT_SUCCESS;
}

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