Clash Royale CLAN TAG#URR8PPP

Printing ASCII-like chars and there is a bug I can't find in char's drawing

The following code prints the big letter with shadows (with : chars). If a user provides only 1 letter as input, everything is fine. But if the user inputs more than 1 letter, something goes wrong. The letters look strange (shadow is incorrect too).

:

#include <iostream>
using namespace std;

// A~Z and some symbols
int main()

int A[6][6]=0,1,1,1,1,0,
1,1,1,1,1,1,
1,1,0,0,1,1,
1,1,0,0,1,1,
1,1,1,1,1,1,
1,1,0,0,1,1;

int B[6][6]=1,1,1,1,1,0,
1,1,1,1,1,1,
1,1,0,0,1,1,
1,1,1,1,1,1,
1,1,0,0,1,1,
1,1,1,1,1,0;

//int C[6][6]...........

int k;

string input;
cin >> input; // a user inputs the symbols

k = input.length()*8; // total length for define sum
cout << k << endl; // debug output
int sum[k][8]; // the final array prepare to print

// make all the space 0. Didn't sure if it's necessary.
for (int i = 0; i < 8; i++)

for (int j = 0; j < k; j++)

sum[i][j] = 0;



// start combining the symbols
for (int h = 0; h < k/8; h++) // run input.length() time.

for (int i = 0; i < 6; i++) // 6 for vertical

for (int j = 0; j < 6; j++) // 6 for horizontal

//string word = input.substr(h,1);
//I haven't program the other letters
//so I print A temporary.
sum[i+1][(h*8)+j+1] = A[i][j];
if(sum[i+1][h*8+j+1])cout << i+1 << h*8+j+1 << " ";

cout << endl;

cout << endl;


// casting the shadow
for (int i = 0; i < 8; i++)

for (int j = 0; j < k; j++)

if (sum[i][j] == 1 && sum[i+1][j-1] == 0)

sum[i+1][j-1] = 2;




// top border
for(int i = 0; i < k; i++) cout << "==";
cout << endl;

// start printing the sum.
for (int i = 0; i < 8; i++) // 8 for vertical

for (int j = 0; j < k; j++) // k for horizontal

switch (sum[i][j])

case 0:
cout << " "; // nothing there
break;
case 1:
cout << ""; // part of a letter
break;
case 2:
cout << "::"; // the shadow
break;


cout << "n"; // for next line.


// bottom border
for (int i = 0; i < k * 2; i++) cout << "=";
cout << endl;



I enter 2 letters and it outputs

===============================

::
::
::::::
:::::: :: ::
:: :: ::
:: ::::::
:::::: :::: ::::
================================


I can't find what's wrong.

You can try using a debugger.
– Fei Xiang
21 mins ago

You need to be clearer when posting. The title explains very little of the problem you want to solve. A way I like to think when posting a question is: how other people with the same problem can benefit from this question? Take a look here and refactor your question. Hope it helped! :)
– LTKills
12 mins ago

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