| 
        
      Nested FOR loops are often used to produce 
      DESIGNS: 
  
      
        
        
          
            // The 
            Isosceles Right Triangle (made with capital letters) 
            char outer, inner; 
			for (outer = 'F' ; outer >= 'A' ; outer--) 
            {  
                 for (inner = 'A' ; inner <= outer; inner++) 
                 {  
                      cout <<inner;  
                 }  
             
                 cout<< "\n"; 
            } | 
            
            ABCDEF 
            ABCDE 
            ABCD 
            ABC 
            AB 
            A | 
           
         
        
       
       
  
      
        
        
          
            // 
            Rectangle comprised of x's 
            for (rows = 0; rows < 4; rows++)  
            {  
                 for (col = 0; col < 12; col++)  
                 {  
                      cout << 'x' ;  
                 } 
             
                 cout<< "\n"; 
            } | 
            xxxxxxxxxxxx 
            xxxxxxxxxxxx 
            xxxxxxxxxxxx 
            xxxxxxxxxxxx | 
           
         
        
       
       
          
      
        
        
          
            // 
            Isosceles triangle of x's centered on column 15  
            for(i =0; i<=3;i++) 
            { 
                 gotoxy(15-i, 5+i); 
                 for(int j=1; j<=2*i+1; j++) 
                      cout<<"x";              //print the 
            x's 
                 cout<<endl; 
            } | 
                   x 
                 xxx 
               xxxxx 
             xxxxxxx
               | 
           
         
        
       
       |