#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#define stringSize 20

int listSize = 0;
char readChar = '0';
char stringOne[stringSize];
char stringTwo[stringSize];

int readIntoList(char* stringList){
  int index = 0;

    while(1){
        char next = getchar();
        if (next != '\n'){
            stringList[index] = next;
            index++;
          }else{
            break;
          }
      }

    while (1) {
        readChar = getchar();
        stringList[index] = readChar;
        if (readChar == '\n' || index == stringSize-1) {
            break;
        }
    index++;
    }
}

int main(){
    printf("enter list size: \n");

    scanf("%i", &listSize);
    int listOne[listSize];
    int listTwo[listSize];

    memset (listOne, '\0', listSize);
    memset (listTwo, '\0', listSize);
    printf ("enter list 1: \n");
    readIntoList (stringOne);
    printf ("enter list 2: \n");
    readIntoList (stringTwo);

    printf ("one: %s \ntwo: %s ",stringOne,stringTwo);
}