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I need your help

Discussion in 'C' started by the white soul, Apr 1, 2010.

  1. the white soul

    the white soul New Member

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    hello guys

    this is my first post in here, I hope you will help me guys


    I tried many time but I couldn't get the required pattern


    write a c program to generate the
    pattern shown using nested for loop

    1
    01
    101
    0101


    and



    0
    12
    345
    6789
     
  2. karthigayan

    karthigayan New Member

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    I think this is your home work . Try by your own . If you struck any where then post here .
     
  3. en_7123

    en_7123 New Member

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    Take it step by step try to find some 'pattern' that is there in the output.Try to from a logic on how you could print that than put something over here.Its not that difficult but try yourself.
     
  4. virxen

    virxen New Member

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    this will give you the opposite from what you want in 1)
    do the rest by yourself

    (hint:you must add 1 char and 1 number in order to work as you want...but where?)


    Code:
    #include <stdio.h>
    
    int main(){
        for (int i=0;i<4;i++){
            printf("\n");
            for (int j=0;j<(i+1);j++)
                printf("%d",(i+j)%2);
        }
    getchar();
        return 0;
    }
    

    output
    ---------


    0
    10
    010
    1010



    with this try and 2)
     
  5. the white soul

    the white soul New Member

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    Thank you virxen so much

    I tried the second but I couldn't get the right answer

    Code:
    #include <stdio.h>
    
    int main(){
    	 for (int i=0;i<4;i++){
            printf("\n");
    		  for (int j=0;j<(i+1);j++)
    				printf("%d",(i+j+1));
        }
    getchar();
    	 return 0;
    }
    
    
    and I got the output as

    1
    23
    345
    567

    instead of getting

    1
    23
    345
    6789

    can anyone help me to correct my answer
     
  6. the white soul

    the white soul New Member

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    sorry this is the code
    Code:
    #include <stdio.h>
    
    int main(){
    	 for (int i=0;i<4;i++){
    		  printf("\n");
    		  for (int j=0;j<(i+1);j++)
    				printf("%d",(i+j));
    	 }
    getchar();
    	 return 0;
    }
    
    

    and the output was
    0
    12
    234
    3456


    instead of getting

    0
    12
    345
    6789


    what's wrong in the code so I can get the right answer
     
  7. xpi0t0s

    xpi0t0s Mentor

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    Your code displays on each line values from i (which increases by 1 each new line) to i+j. But you want each line to begin with the last number displayed, plus one.

    So how about a counter that just increases each time you print something? Then print the counter instead of trying to calculate something from i and j.
     
  8. virxen

    virxen New Member

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    Because you tried to code i will give you the answer for a,b.

    Code:
    #include <stdio.h>
    
    int main(){
        for (int i=0;i<4;i++){
            printf("\n");
            for (int j=0;j<(i+1);j++)
                printf("%d",(i+j+1)%2);
        }
    getchar();
    int count=0;
        for (int i=0;i<4;i++){
            printf("\n");
            for (int j=0;j<(i+1);j++)
                printf("%d",count++);
        }
    getchar();
        return 0;
    }
    
     

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