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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int n;
  5.     printf("Enter the number of rows: \n");
  6.     scanf("%d",&n);
  7.     for(int i=1;i<=n;i++){
  8.         for( int j=1;j<=n-i;j++){
  9.  
  10.                printf("   ");
  11.  
  12.          }
  13.             int d=1;
  14.  
  15.         for(int k=1;k<2*i;k++){
  16.  
  17.            printf(" %d ",d);
  18.             d++;
  19.          }
  20.          printf("\n");
  21.     }
  22.  
  23. 	return 0;
  24. }
  25.  
Success #stdin #stdout 0.01s 5304KB
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stdin
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7
stdout
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Enter the number of rows: 
                   1 
                1  2  3 
             1  2  3  4  5 
          1  2  3  4  5  6  7 
       1  2  3  4  5  6  7  8  9 
    1  2  3  4  5  6  7  8  9  10  11 
 1  2  3  4  5  6  7  8  9  10  11  12  13
https://ideone.com/HpkGKI
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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