Thread: kardışık number

  1. #1
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    kardışık number

    sample:
    13 = 22 + 32
    14 = 12 + 22 + 32

    In this context, it entered between 1 and 9999 (if a larger or smaller number entered will be given a warning) whether a number kardışık number, and that number is the sum of what number you kardışık developed by the c program.
    sample entries: 421
    sample output: 14 15

  2. #2
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    Google translate has seen better days...
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  3. #3
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    Quote Originally Posted by TuŸba Yılmaz View Post
    sample:
    13 = 22 + 32
    14 = 12 + 22 + 32

    In this context, it entered between 1 and 9999 (if a larger or smaller number entered will be given a warning) whether a number kardışık number, and that number is the sum of what number you kardışık developed by the c program.
    sample entries: 421
    sample output: 14 – 15
    Sounds simple enough. What have you tried? What are you having trouble with? Post some code.

    BTW, does anyone know what these numbers are called in English? Google translate doesn't seem to know.

  4. #4
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    Code:
    
    
    Code:
    #include <stdio.h>
    #include <stdlib.h>
    
    
    main()
    {
      long int a,n,s1,s2,o;
      label: printf("Enter the number: ");
      scanf("%ld",&a);
      if (a<1 || a>9999)
      {
        printf("\n please enter 1 between 9999 number!\n\n");
        goto label;
      }
      for (n=1;n<a;++n)
      {
        s1=n*n;
        s2=(n+1)*(n+1);
        o=s1+s2;
    
    
        if(o==a){
           printf("\n numbers: %ld,%2ld",n,n+1);
        }
    
    
      }
    
    
      printf("\n\n");
    }
    not working 14 = 12 + 22 + 32
    Last edited by Tuğba Yılmaz; 03-27-2016 at 12:44 PM.

  5. #5
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    You must know why your code isn't working for the given example. Your code only tests for two numbers in a row but your example needs three. Instead of a fixed number you'll need another loop.

    So these so-called "kardışık numbers" (we still don't have a translation here) are numbers that can be represented as the sum of the squares of consecutive integers? Are the squares themselves "kardışık numbers"?

  6. #6
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    A "kardışık number" means "pyramid number"
    Link: https://en.wikipedia.org/wiki/Square_pyramidal_number
    Other have classes, we are class

  7. #7
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    You should not be using goto. It is more appropriate to use a loop for that purpose.

  8. #8
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    Code:
    main()
    {
      long int a,n,s1,s2,o;
      label: printf("Enter the number: ");
      scanf("%ld",&a);
      if (a<1 || a>9999)
      {
        printf("\n please enter 1 between 9999 number!\n\n");
        goto label;
      }
      for (n=1;n<a;++n)
      {
        s1=(n*n)+((n+1)*(n+1));
        s2=(n+2)*(n+2);
        o=s1+s2;
        if(s1==a){
           printf("\n numbers: %ld,%ld",n,n+1);
        }
        else if(o==a){
           printf("\n numbers: %ld,%ld,%ld",n,n+1,n+2);
        }
      }
      printf("\n\n");
    }

    Alright thanks a lot I got it.
    Thanks a lot guys/gals.

  9. #9
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    Quote Originally Posted by WoodSTokk View Post
    A "kardışık number" means "pyramid number"
    Link: https://en.wikipedia.org/wiki/Square_pyramidal_number
    It does not mean "pyramid number".

    Pyramid number is defined as a sum P_n=1^2+2^2+3^2+...+n^2, while this guy has for entry 421 output 14, 15 (14^2+15^2, which is a difference P_15-P_13, and no pyramid number directly).

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