#include <stdio.h>
#include <stdlib.h>

int myRand(void) {
  return rand() * (RAND_MAX + 1) + rand();
}

int randDansIntervalle(int bi, int bf) {
  return bi + myRand() % (bf - bi + 1);
}

void afficherTableauChar(char* t, int n) {
  for (int i = 0; i < n; i++) {
    printf("%c", t[i]);
  }
  printf("\n");
}

void creerAlphabetTrie(char* t) {
  for (int i = 0; i < 26; i++) {
    t[i] = (char) ('a' + i);
  }
}

void creerAlphabetMelange(char* t) {
  creerAlphabetTrie(t);
  for (int i = 0; i < 25; i++) {
    int ind = randDansIntervalle(i, 25);
    char aux = t[i];
    t[i] = t[ind];
    t[ind] = aux;
  }
}

int main(void) {
  char alphabet1[26];
  creerAlphabetTrie(alphabet1);
  afficherTableauChar(alphabet1, 26);
  char alphabet2[26];
  creerAlphabetMelange(alphabet2);
  afficherTableauChar(alphabet2, 26);
  return 0;
}