Temp

#include <stdio.h>

int main(void)
{
    float T;
    float C, K, F;
    char P;

    printf("Zadana teplota:");
    scanf("%f", &T);
    printf("Jednotky:");
    scanf(" %c", &P);

    switch(P)
    {
    case 'c' :
        K = T + 273.15;
        F = C * 1,8 + 32.0;
        C = T;
        break;
	case 'C' :
        K = T + 273.15;
        F = C * 1,8 + 32.0;
        C = T;
        break;
    case 'k' :
        C = T - 273.15;
        F = C * 1,8 + 32.0;
        K = T;
        break;
	case 'K' :
        C = T - 273.15;
        F = C * 1,8 + 32.0;
        K = T;
        break;
    case 'f' :
        F = T;
        C = (F - 32.0) / 1.8;
        K = C * 1,8 + 32.0;
        break;
	case 'F' :
        F = T;
        C = (F - 32.0) / 1.8;
        K = C * 1,8 + 32.0;
        break;
    default :
        printf("Chybne zadané data.\n");
    }

    printf("Zadaná teplota: %.2f %c . \n", T, P);
    printf("Vysledne teploty:\n");
    printf("%.2f C. \n", C);
    printf("%.2f F. \n", F);
    printf("%.2f K. \n", K);

}