60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
#include <stdio.h>
|
|
#include <math.h>
|
|
#define cislo123 0.01
|
|
|
|
int main() {
|
|
char input[100];
|
|
|
|
if (fgets(input, sizeof(input), stdin) != NULL && input[0] == '\n') {
|
|
return 0;
|
|
}
|
|
|
|
|
|
double cislo1;
|
|
double cislo2;
|
|
double result;
|
|
char znak;
|
|
char rovno;
|
|
int colznakov = sscanf(input, "%lf %c %lf %c %lf", &cislo1, &znak, &cislo2, &rovno, &result);
|
|
|
|
if (colznakov != 5 || rovno != '=') {
|
|
printf("CHYBA\n");
|
|
return 0;
|
|
}
|
|
|
|
double result2;
|
|
|
|
switch (znak)
|
|
{
|
|
case '+':
|
|
result2 = cislo1 + cislo2;
|
|
break;
|
|
case '-':
|
|
result2 = cislo1 - cislo2;
|
|
break;
|
|
case '*':
|
|
result2 = cislo1 * cislo2;
|
|
break;
|
|
case '/':
|
|
if (cislo2 == 0) {
|
|
printf("ZLE!\n");
|
|
return 0;
|
|
}
|
|
result2 = cislo1 / cislo2;
|
|
break;
|
|
default:
|
|
printf("ZLE\n");
|
|
return 0;
|
|
}
|
|
|
|
|
|
result2 = round(result2 * 100) / 100;
|
|
|
|
if (fabs(result2 - result) < cislo123) {
|
|
printf("OK\n");
|
|
} else {
|
|
printf("ZLE\n");
|
|
}
|
|
|
|
return 0;
|
|
} |