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  1. //
  2. //  main.cpp
  3. //  Pascal Triangle
  4. //
  5. //  Created by Himanshu on 20/09/21.
  6. //
  7.  
  8. #include <iostream>
  9. using namespace std;
  10.  
  11.  
  12. void printPascalTriangle (int n) {
  13.  
  14.     //Base case
  15.     cout<<"1"<<endl;
  16.  
  17.     for (int i=1; i<n; i++) {
  18.         int C = 1;
  19.         for (int j=0; j<=i; j++) {
  20.  
  21.             cout<<C<<" ";
  22.             //We are using (i-j) instead of (i-(j-1)) because
  23.             //calculation is for next or (j+1)th element
  24.             C = C * (i-j)/(j+1);
  25.         }
  26.         cout<<endl;
  27.     }
  28.  
  29. }
  30.  
  31. int main() {
  32.     int n = 7;
  33.     printPascalTriangle (n);
  34.     return 0;
  35. }
Success #stdin #stdout 0.01s 5352KB
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stdin
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Standard input is empty
stdout
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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/lDoNfF
language:
C++ 4.3.2 (gcc-4.3.2)
created:
1 year ago
visibility:
secret

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