// TEST 1

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

int main(int argc, char *argv[])
{
    double data[100];
    int i, j;
    double max, min, sum, avg;
    for (i = 1; i < argc; i++)
    {
        // printf("%s\n", argv[i]);
        data[i] = atof(argv[i]);
        if (i == 1)
        {
            max = data[i];
            min = data[i];
        }
        else
        {
            if (data[i] > max)
                max = data[i];
            if (data[i] < min)
                min = data[i];
        }
        sum += data[i];
    }
    for (i = 1; i < argc; i++)
    {
        printf("%f \n", data[i]);
    }
    avg = sum / (argc-1);
    printf("%8.3f %9.2f %5.3f", max, min, avg);
}


// LAB FILE 1
#include <stdio.h>
#include <stdlib.h>
#define BUFF_SIZE 10
#define FILE_NAME "ass01.txt"
int main()
{
    FILE *fp;
    char buff[BUFF_SIZE];
    fp = fopen(FILE_NAME, "r");
    int i = 0;
    double sum = 0;
    while (!feof(fp))
    {
        fscanf(fp, "%s", buff);
        if (i == 0)
            printf("number of data %s\n", buff);
        else
        {
            printf("data %d ", i);
            double data = atof(buff);
            sum += data;
            printf("%.6f\n", data);
        }
        i++;
    }
    printf("avg = %.6f", sum / (i - 1));
    fclose(fp);
    return 0;
}

// LAB FILE 3

#include <stdio.h>

int main(int argc, char *argv[])
{
    char buff[100];
    FILE *fp, *fp2;
    fp = fopen(argv[1], "a");
    // printf("%s %s", argv[0], argv[1]);
    // printf("%d",argc);
    if (argc == 2)
    {
        while (1)
        {
            scanf("%s", buff);
            if (buff == "^Z\n")
                break;
            fprintf(fp, "%s", buff);
        }
    }
    else if (argc == 3)
    {
        fp2 = fopen(argv[2], "w");
        while(!feof(fp))
        {
            fscanf(fp, "%s", buff);
            fprintf(fp2, "%s\n", buff);
        }
    }
}