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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main(){
  5.  
  6.     int row;
  7.     cout << "Enter the No of rows: \n";
  8.     cin >> row;
  9.  
  10. 	for( int i = 0; i < row; i++ ) {
  11.         for( int j = 0; j <= i; j++ ){
  12.             cout << "*  ";
  13.         }
  14.         cout<<endl;
  15.     }
  16.     cout<<"\n";
  17.  
  18.     for( int i = 0; i < row; i++ ) {
  19.         for( int j = 0; j <= i; j++ ){
  20.             cout << i + 1 << " ";
  21.         }
  22.         cout<<endl;
  23.     }
  24.     cout<<"\n";
  25.     for( int i = 0; i < row; i++ ) {
  26.         for( int j = 0; j <= i; j++ ){
  27.             cout << (char)('A' + j) << " ";
  28.         }
  29.         cout<<endl;
  30.     }
  31.     cout<<"\n";
  32.     int counter = 1; 
  33.     for( int i = 0; i < row; i++ ) {
  34.         for( int j = 0; j <= i; j++ ){
  35.             cout << (counter++) << " ";
  36.         }
  37.         cout << endl;
  38.     }
  39.     cout<<"\n";
  40.  
  41.     for( int i = 0; i <  row; i++){
  42.         int spaces = row - i;
  43.         for( int j = 0; j < spaces; j++){
  44.             cout<<"  ";
  45.         }
  46.  
  47.         int coefficient;
  48.         for( int j = 0; j <= i; j++){
  49.  
  50.             if( j == 0 )
  51.                 coefficient = 1;
  52.             else 
  53.                 coefficient = coefficient * (i - j + 1) / j;
  54.  
  55.             cout << coefficient << "   ";
  56.         }
  57.  
  58.         cout << endl;
  59.     }
  60.  
  61.     return 0;
  62. }
  63.  
  64.  
  65.  
  66.  
Success #stdin #stdout 0.01s 5280KB
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stdin
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5
stdout
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Enter the No of rows: 
*  
*  *  
*  *  *  
*  *  *  *  
*  *  *  *  *  

1 
2 2 
3 3 3 
4 4 4 4 
5 5 5 5 5 

A 
A B 
A B C 
A B C D 
A B C D E 

1 
2 3 
4 5 6 
7 8 9 10 
11 12 13 14 15 

          1   
        1   1   
      1   2   1   
    1   3   3   1   
  1   4   6   4   1
https://ideone.com/9XdGCW
language:
C++ (gcc 8.3)
created:
12 days ago
visibility:
public

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