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Writing an array without if statement

Mad Saeed (5)
Dear Friends, I need a code to print this array without using if statement:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
B C D E F G H I J K L M N O P Q R S T U V W X Y Z A
C D E F G H I J K L M N O P Q R S T U V W X Y Z A B
D E F G H I J K L M N O P Q R S T U V W X Y Z A B C
E F G H I J K L M N O P Q R S T U V W X Y Z A B C D
F G H I J K L M N O P Q R S T U V W X Y Z A B C D E
G H I J K L M N O P Q R S T U V W X Y Z A B C D E F
H I J K L M N O P Q R S T U V W X Y Z A B C D E F G
I J K L M N O P Q R S T U V W X Y Z A B C D E F G H
J K L M N O P Q R S T U V W X Y Z A B C D E F G H I
K L M N O P Q R S T U V W X Y Z A B C D E F G H I J
L M N O P Q R S T U V W X Y Z A B C D E F G H I J K
M N O P Q R S T U V W X Y Z A B C D E F G H I J K L
N O P Q R S T U V W X Y Z A B C D E F G H I J K L M
O P Q R S T U V W X Y Z A B C D E F G H I J K L M N
P Q R S T U V W X Y Z A B C D E F G H I J K L M N O
Q R S T U V W X Y Z A B C D E F G H I J K L M N O P
R S T U V W X Y Z A B C D E F G H I J K L M N O P Q
S T U V W X Y Z A B C D E F G H I J K L M N O P Q R
T U V W X Y Z A B C D E F G H I J K L M N O P Q R S
U V W X Y Z A B C D E F G H I J K L M N O P Q R S T
V W X Y Z A B C D E F G H I J K L M N O P Q R S T U
W X Y Z A B C D E F G H I J K L M N O P Q R S T U V
X Y Z A B C D E F G H I J K L M N O P Q R S T U V W
Y Z A B C D E F G H I J K L M N O P Q R S T U V W X
Z A B C D E F G H I J K L M N O P Q R S T U V W X Y
Cody0023 (336)
use a for loop.

for(int i=0;i<=strlen(array)-1;i++)
cout<<array[i];
Last edited on
andywestken (4094)
You know that the ASCII code for 'A' is 65, and for 'B' it's 66, etc. So 'B' = 'A' + 1, 'C' = 'A' + 2, ...

And you know how operator% works?

Andy
Mad Saeed (5)
Yes Mr. Andy, I know the ASCII Code. But I couldn't do it.

Is there anyone can help me,please :)
Last edited on
andywestken (4094)
Can you display A B C ... with a single loop and ASCII codes?

Andy
Mad Saeed (5)
Yes,I can

char x;
for(x=65;x<91;x++)
cout<<x<<endl;

but I don't how to make that doubled array above
Mad Saeed (5)
4%2==0
5%2==1

I know how it works too
andywestken (4094)
If you join those two pieces together, you can display the array you show in your opening post.

The outer loop controls the starting char (or ASCII code)
The innner loop prints a line
operator% wraps the code to display so that it stays in range

Andy
condor (271)
OK Andy, excellent idea!
I tried another way to accomplish this thread: I filled a vector with the English alphabet(see the next bold!) followed by rotations(two positions each time!) to obtain 26 lines.
Last edited on
condor (271)
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#include <iostream>
#include <algorithm>
#include <vector>

int main()
{
	std::vector<char> myVec;
	std::vector<char>::iterator it;
	
//Fill myVec: English alphabet + Space after each letter
	for (int i = 65; i < 91; ++i)
	{
		myVec.push_back((char)i);
		myVec.push_back((char)32);
	}
	
//Print out initial myVec
	for (it = myVec.begin(); it < myVec.end(); ++it)
		std::cout << *it;
	std::cout << '\n';	
	
//Rotate & print out myVec
	for (int i = 0; i < 25; ++i)
	{
		std::rotate(myVec.begin(), myVec.begin() + 2, myVec.end());
		for (it = myVec.begin(); it < myVec.end(); ++it)
			std::cout << *it;
		std::cout << '\n';	
	}
	return 0;
 }
 
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 
B C D E F G H I J K L M N O P Q R S T U V W X Y Z A 
C D E F G H I J K L M N O P Q R S T U V W X Y Z A B 
D E F G H I J K L M N O P Q R S T U V W X Y Z A B C 
E F G H I J K L M N O P Q R S T U V W X Y Z A B C D 
F G H I J K L M N O P Q R S T U V W X Y Z A B C D E 
G H I J K L M N O P Q R S T U V W X Y Z A B C D E F 
H I J K L M N O P Q R S T U V W X Y Z A B C D E F G 
I J K L M N O P Q R S T U V W X Y Z A B C D E F G H 
J K L M N O P Q R S T U V W X Y Z A B C D E F G H I 
K L M N O P Q R S T U V W X Y Z A B C D E F G H I J 
L M N O P Q R S T U V W X Y Z A B C D E F G H I J K 
M N O P Q R S T U V W X Y Z A B C D E F G H I J K L 
N O P Q R S T U V W X Y Z A B C D E F G H I J K L M 
O P Q R S T U V W X Y Z A B C D E F G H I J K L M N 
P Q R S T U V W X Y Z A B C D E F G H I J K L M N O 
Q R S T U V W X Y Z A B C D E F G H I J K L M N O P 
R S T U V W X Y Z A B C D E F G H I J K L M N O P Q 
S T U V W X Y Z A B C D E F G H I J K L M N O P Q R 
T U V W X Y Z A B C D E F G H I J K L M N O P Q R S 
U V W X Y Z A B C D E F G H I J K L M N O P Q R S T 
V W X Y Z A B C D E F G H I J K L M N O P Q R S T U 
W X Y Z A B C D E F G H I J K L M N O P Q R S T U V 
X Y Z A B C D E F G H I J K L M N O P Q R S T U V W 
Y Z A B C D E F G H I J K L M N O P Q R S T U V W X 
Z A B C D E F G H I J K L M N O P Q R S T U V W X Y
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