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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main(){
  5.     int rows;
  6.     cin >> rows;
  7.  
  8.     cout << "Pascal's Triangle of rows "<<rows<< endl;
  9.  
  10.     // Main logic to print Pascal's triangle
  11.     for( int i = 0; i <  rows; i++){
  12.         int spaces = rows - i;
  13.         // Print spaces.
  14.         for( int j = 0; j < spaces; j++){
  15.             cout<<"  ";
  16.         }
  17.  
  18.         int coefficient;
  19.         // Print values.
  20.         for( int j = 0; j <= i; j++){
  21.             // Update coefficient's value
  22.             if( j == 0 )
  23.                 coefficient = 1;
  24.             else 
  25.                 coefficient = coefficient * (i - j + 1) / j;
  26.             cout << coefficient << "   ";
  27.         }
  28.         cout << endl;
  29.     }
  30.  
  31.     return 0;
  32. }
  33.  
Success #stdin #stdout 0.01s 5276KB
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stdin
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6
stdout
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Pascal's Triangle of rows 6
            1   
          1   1   
        1   2   1   
      1   3   3   1   
    1   4   6   4   1   
  1   5   10   10   5   1
https://ideone.com/BMCDIU
Pascal's Triangle
language:
C++14 (gcc 8.3)
created:
13 days ago
visibility:
public

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