Question

Write a C++ program that generates a sequence of 26 random letters, without duplication, one letter per output line.

Answer 1

#include <iostream>
#include <cstdlib>
#include <ctime>

using namespace std;

int main(){
   char arr[26], ch;
   int found, k = 0;
   
   srand((unsigned)time(NULL));
   
   for(int i = 0;k<26;i++){
      ch = 'a' + (rand()%26);
      found = 0;
      for(int j = 0;j<k;j++){
         if(arr[j]==ch){
            found = 1;
            break;
         }
      }
      if(found == 0){
         arr[k++] = ch;
      }
   }
   
   for(int i = 0;i<26;i++){
      cout<<arr[i]<<" ";
   }
    return 0;
}