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

void input (char groups[15][7], char path[10], FILE *file, int start)
{
    file = fopen(path, "r");
    int finish = start + 5;
    while (start < finish){
        fscanf(file, "%s", groups[start]);
        start++;
    }
    fclose(file);
}

void output (char groups[15][7], char message[20])
{
    printf("%s\n", message);
    int i = 0;
    while (i < 15){
        printf("%s\n",groups[i]);
        i++;
    }
}

void sortArrayBubble (char groups[15][7])
{
    const int N = 15;
    char temp[7];
    for (int i = 0; i < N - 1; i++){
        for (int j = i; j < N; j++){
            if (groups[i] > groups[j]){
                strcpy(temp, groups[i]);
                strcpy(groups[i], groups[j]);
                strcpy(groups[j], temp);
            }
        }
    }
}

int main() {
    FILE *F1 = NULL;
    char groups[15][7];
    char path[7] = "F1.txt";
    input(groups, path, F1, 0);
    strcpy(path, "F2.txt");
    input(groups, path, F1, 5);
    strcpy(path, "F3.txt");
    input(groups, path, F1, 10);
    output(groups, "Virgin array:");
    printf("--------------------------------\n");
    int i, j;
    char cur[7];
    for(i=0;i<14;i++) {
        for (j = i + 1; j < 15; j++) {
            if (strcmp(groups[i], groups[j]) > 0) {
                strcpy(cur, groups[i]);
                strcpy(groups[i], groups[j]);
                strcpy(groups[j], cur);
            }
        }
    }
    //sortArrayBubble(groups);
    output(groups, "Sorted array:");
    return 0;
}