// https://wokwi.com/projects/358030206673601537

void setup() {
  Serial.begin(115200);
  Serial.println("shanren!\n");

  mainN();
}

void loop() {
}

int mainN()
{                                                         
  const char *arr[] = {"abcd", "bbcd", "cbcd", "dbcd", "ebcd"};

  printf("String array Elements are:\n");

  for (int i = 0; i < 5; i++)
  {
  
/* what are you trying for with these lines?  
    if (i == m) {
      arr[i] = 1;
    }
*/

    Serial.println(arr[i]);
  }
  return 0;
}

/*
shnaren.ino: In function 'int mainN()':
shnaren.ino:20:61: error: too many initializers for 'const char []'
   const char arr[] = {"abcd", "bbcd", "cbcd", "dbcd", "ebcd"};

*/