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  1. #include <stdio.h>
  2.  
  3. int factorial(int x){
  4.       int fact =1;
  5.       for( int i=1;i<=x;i++){
  6.           fact= fact*i;
  7.           }
  8.       return fact;
  9.   }
  10. int combination (int n,int r){
  11.        int ncr=factorial(n)/(factorial(r)*factorial(n-r));   
  12.   return ncr;
  13.   }
  14.  
  15. int main() {
  16.  
  17.      int n;
  18.      printf("Enter the n: \n");
  19.      scanf("%d",&n);
  20.  
  21.  
  22.  
  23.      for( int i=0;i<=n;i++){
  24.  
  25.            for(int sp=1;sp<=n-i;sp++){
  26.                printf("   ");
  27.             }
  28.  
  29.            for(int j=0;j<=i;j++){
  30.             int icj= combination(i,j);
  31.             printf(" %d  ",icj);
  32.             }
  33.             printf("\n");
  34.       }
  35.  
  36. 	return 0;
  37. }
Success #stdin #stdout 0.01s 5288KB
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stdin
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6
stdout
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Enter the n: 
                   1  
                1   1  
             1   2   1  
          1   3   3   1  
       1   4   6   4   1  
    1   5   10   10   5   1  
 1   6   15   20   15   6   1
https://ideone.com/XLVLKZ
language:
C (gcc 8.3)
created:
10 hours ago
visibility:
public

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