Soundwave

#include<iostream>
#include <conio.h>
using namespace std;
char array[26][26];
char text[22],key[22],encrypted_Text[22],decrypted_Text[22];
int findRow(char);
int findColumn(char);
int findDecRow(char,int);
int main()
{
   int i=0,j,k,r,c;
   k=96;
   for (i=0;i<26;i++)
   {
      k++;
      for (j=0;j<26;j++)
      {
         array[i][j]=k++;
         if(k==123)
             k=97;
      }
   }
   cout << "Enter text to encrypt it :"<<endl;
   cin >> text;
   cout << "Enter key for encryption:"<<endl;
   cin >> key;
   // Encryption
   for (i=0;key[i]!=NULL;i++)
   {
      c=findRow(key[i]);
      r=findColumn(text[i]);
      encrypted_Text[i]=array[r][c];
   }
   encrypted_Text[i]='\0';
   cout << "Encrypted text is :"<<endl;
    cout <<encrypted_Text<<endl;
   //decryption
   for (i=0;key[i]!=NULL;i++)
   {
      c=findColumn(key[i]);
      r=findDecRow(encrypted_Text[i],c);
      decrypted_Text[i]=array[r][0];
   }
   decrypted_Text[i]='\0';
   cout << "Decrypted text is:"<<endl;
     cout << decrypted_Text<<endl;
   getch();
   return(0);
}
int findRow(char c)
{
   int i;
   for (i=0;i<26;i++)
   {
      if(array[0][i]==c)
         return(i);
   }
    return 0;
}
int findColumn(char c)
{
   int i;
   for (i=0;i<26;i++)
   {
      if(array[i][0]==c)
         return(i);
   }
    return 0;
}
int findDecRow(char c,int j)
{
   int i;
   for (i=0;i<26;i++)
   {
      if(array[i][j]==c)
         return(i);
   }
    return 0;
}