Random password generator in C

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

    int main() {
      srand((unsigned int) time(NULL));

      int arrLen;
      printf("Enter the length of your password you want: ");
      scanf("%d", & arrLen);
      printf("\nYour password is: ");

      int pass[arrLen], index = 0, isSame = 1, len = arrLen;

      while (len) {
        int random = rand() % 127;
        if (random < 33) {
          continue;
        }
        for (int i = 0; i < index; i++) {
          if (pass[i] == random) {
            isSame = 0;
            break;
          } else {
            isSame = 1;
          }
        }
        if (isSame) {
          pass[index] = random;
          index++;
          len--;
          printf("%c", random);
        }
      }
 
      return 0;
    }

    // 33-126