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  1. #include<stdio.h>
  2. int main()
  3. {
  4.   int num,r,c;
  5.   printf("Enter structure number : ");
  6.   scanf("%d", &num);
  7.  
  8.       for(r=1; r<=num; r++)
  9.       {
  10.           if(r%2 != 0){
  11.              for(c=1; c <= r/2 ; c++)
  12.                 printf("%d ",r);
  13.              printf("\n");
  14.       }
  15.   }
  16.   return 0;
  17. }
Success #stdin #stdout 0s 2056KB
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stdin
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13
stdout
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Enter structure number : 
3 
5 5 
7 7 7 
9 9 9 9 
11 11 11 11 11 
13 13 13 13 13 13
https://ideone.com/oM5noY
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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