C++ :: Storing Different Digits Of A Number Into Array Of Int

Oct 9, 2013

The aim is : If i have a natural number [max 5 digits] (say) n=13579. Then a[4]=1, a[3]=3, a[2]=5. a[1]=7. a[0]=9.

I start with a[4]= n/10000 .. then n= n - a[4]*10000;

then a[3]= n/1000. .. n= n - a[3]*1000;

i.e a[i]= n/10^i .... n= n - a[i]*10^i;

To reduce code size i used a for loop. The code is free from any syntax errors.

Its the "output" that is weird. I enter 13579 and what the program process is:
a[4]=1 a[3]=3 a[2]=5 a[1]=8 a[0]=5

Same goes for other numbers too.. leaving the most significant digit , the rest digits are just out of the logic!!

I am using CodeBlocks 12.11 and compiler is GNU GCC compiler.

Here is the output window: [URL] ....

Here is the code:

#include<iostream>
#include<math.h>
using namespace std;
int main() {
int n,a[5],i,t,dec,divisor; // n: storing number; t: copy of n,

[Code] .....

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C++ :: Input Integer Then Output Both Individual Digits Of The Number And Sum Of Digits

Oct 11, 2014

My problem needs to prompt the user to input an integer and then outputs both the individual digits of the number and the sum of the digits. An example would be entering 8030 and it spits out 8 0 3 0 as well as 8+0+3+0=11 and it needs to work with negative numbers.

Code:
#include <iostream>
#include <iomanip>
using namespace std;
int main() {
int base;

[Code] ....

Now I don't know if any of this is right a hint my professor gave us is that to get the fourth digit you would do base mod 10 and to get the first digit you do base divided 1000...

Code:

{
int power;
int counter=0;
int value=1;
cout << "Enter the power of 10 you want: ";

[Code] ....

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Dec 16, 2014

Code:

for(int i = 0 ; i < SIZE ; i ++)
{
scanf("%d" , & selection[i]);
srand((unsigned) time(&t));
draw[i] = rand() % 50; //feeling could be a problem with this line of code :::::

}

is it possible to do this. i am trying to get 6 different numbers stored into 6 elements of an array . this is the piece of the code i think there is a problem with. ie my program scans the numbers and then crashes at this point so think it could be something to do with the commented line?

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Jul 18, 2013

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Mar 9, 2013

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int num, i = 0;
char rev[5];
printf("Enter any 5 digit number

[Code] ....

WHILE DISPLAYING i am not getting correct output. whats wrong in rev[] array.

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user input : 14690
output:
14690 has pairs 12345 + 2345
2345 came from 12345
lets say that x = 12345 and y =2345
besides y == x%10000

other formula can i have since if i use % and / i will have a lot of declarations....

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Feb 8, 2013

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1.call the permutation function,

2.keep the first digit in the first place and send the remaining 2 digits back to the permutation function recursively.

3.keep one of the two digits received and send the remaining digit to the permute function.

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For example the file contains:

5 6 7 -8 9obvsefs
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8 8

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I've been working on a program that displays the number of digits in each line of a file, but I feel stuck. Take for example a file that contains these characters:

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54j
811111
6a
709

And I'm trying to display a result like this

1 //that's the number of the line 5 //the number of digits
2 2
3 6
4 1
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Here's what I've written so far:

Code:
#include<stdio.h>
int main() {
char a=0;
int number_of_digits=0, linescount=0, num, number_of_digits_per_line=0;
FILE *inputFile;
if(!(inputFile=fopen("C:TestTest.txt","r")))

[Code]..

I also thought of using fgets and strlen but I am not very good with them and couldn't get the program to work correctly. It did work but it displayed all characters, letters included, not only digits.

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#include <stdio.h>
#include <cs50.h>
#include <math.h>
int main (void) {
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[Code] .....

When I execute the program it asked for the number, but then nothing happens. Of course, my first instinct was that the program was caught in an infinite loop somehow, but could not figure out how. I commented out the while loop and the program completed (albeit returning the incorrect value), so I was further convinced that there was an infinite loop that I was not seeing. I ran the program throug gdb. Strangely, the program did not loop infinitely, instead it got to line 16 [while(card1 > 0] and then just stopped, it was not executing the next line of code at all.

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Code:
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int cikCipari (int skaitlis, int cipars);
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[Code] ....

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Nov 29, 2013

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Code:

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#include <iostream>
#include <string>
#include <fstream>
#include <cstdlib>
#include <iomanip>
using namespace std ;
int main() {
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[Code] .....

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My code so far:

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[code]....

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