/*
 * File:   main.c
 * Author: hilda
 *
 * Created on 14 10 2012 г., 23:25
 */

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

/*
 *
 */
int main(int argc, char** argv) {
    double prom = 0.001;
    double a1, b1, c1, a2, b2, c2;
    int res_scan1, res_scan2;

    printf("Zadejte velikost stran prveho trojuhelniku:\n");
    res_scan1 = scanf("%lf%lf%lf", &a1, &b1, &c1);

    if ((res_scan1 != 3) || (a1 <= 0) || (b1 <= 0) || (c1 <= 0) ||
            !((a1 + b1 > c1) && (a1 + c1 > b1) && (c1 + b1 > a1))) {
        printf("Nespravny vstup.\n");
        return 0;
    }

    printf("Zadejte velikost stran druheho trojuhelniku:\n");
    res_scan2 = scanf("%lf%lf%lf", &a2, &b2, &c2);

    if ((res_scan2 != 3) || (a2 <= 0) || (b2 <= 0) || (c2 <= 0) ||
            !((a2 + b2 > c2) && (a2 + c2 > b2) && (c2 + b2 > a2))) {
        printf("Nespravny vstup.\n");
        return 0;
    }

    if (((fabs(a1*1.0/a2 - b1*1.0/b2) < prom) && (fabs(a1*1.0/a2 - c1*1.0/c2) < prom))
            || ((fabs(a1*1.0/b2 - b1*1.0/a2) < prom) && (fabs(a1*1.0/b2 - c1*1.0/c2) < prom))
            || ((fabs(a1*1.0/b2 - b1*1.0/c2) < prom) && (fabs(a1*1.0/b2 - c1*1.0/a2) < prom))
            || ((fabs(a1*1.0/c2 - b1*1.0/a2) < prom) && (fabs(a1*1.0/c2 - c1*1.0/b2) < prom))
            || ((fabs(a1*1.0/c2 - b1*1.0/b2) < prom) && (fabs(a1*1.0/c2 - c1*1.0/a2) < prom))
            || ((fabs(a1*1.0/a2 - b1*1.0/c2) < prom) && (fabs(a1*1.0/a2 - c1*1.0/b2) < prom))) {
        printf("Trojuhelniky jsou podobne.\n");
    } else {
        printf("Trojuhelniky nejsou podobne.\n");
    }

    return 0;
}