Laboratorium 3

lab3-1.c

#include <stdio.h>

int main()
{
    float cel, fah;

    float low_b = 0., up_b = 300., step = 20.;

    printf("Provide lower bound:");
    scanf("%f", &low_b);
    printf("Provide upper bound:");
    scanf("%f", &up_b);
    printf("Provide step size:");
    scanf("%f", &step);

    fah = low_b;

    while (fah < up_b) {
        cel = 5 * (fah - 32) / 9;
        printf("%8.2f\t%8.2f\n", fah, cel);
        fah = fah + step;
    }
    return 0;
}

lab3-2.c

#include <stdio.h>

int main()
{
    float cel, fah;

    float low_b = 0., up_b = 300., step = 20.;

    printf("Provide lower bound:");
    scanf("%f", &low_b);
    printf("Provide upper bound:");
    scanf("%f", &up_b);
    printf("Provide step size:");
    scanf("%f", &step);

    fah = low_b;

    for(fah = low_b; fah < up_b; fah += step) {
        cel = 5 * (fah - 32) / 9;
        printf("%8.2f\t%8.2f\n", fah, cel);
    }
    return 0;
}

lab3-3.c

#include <stdio.h>

int main()
{
    float cel, fah;

    float low_b = 0., up_b = 300., step = 20.;

    printf("Provide lower bound:\t");
    scanf("%f", &low_b);
    printf("Provide upper bound:\t");
    scanf("%f", &up_b);

    if (up_b <= low_b) {
        printf("ERROR: upper bound can't be lower than upper bound\n");
        return 1;
    }

    printf("Provide step size:\t");
    scanf("%f", &step);

    if (step < 0) {
        printf("ERROR: step can't be negative\n");
        return 1;
    }

    fah = low_b;

    for(fah = low_b; fah < up_b; fah += step) {
        cel = 5 * (fah - 32) / 9;
        printf("%8.2f\t%8.2f\n", fah, cel);
    }
    return 0;
}

lab3-4.c

int main()
{
    int s=0;
    for(int i=1; i<=100; i++)
        s+=i;
    return s;
}