74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
|
|
int main() {
|
|
char line[100];
|
|
double num1, num2, result, expected_result;
|
|
char op;
|
|
|
|
while (fgets(line, sizeof(line), stdin) != NULL) {
|
|
if (line[0] == '\n') {
|
|
// Stop when the user enters a blank line
|
|
break;
|
|
}
|
|
|
|
num1 = num2 = result = 0;
|
|
op = '\0';
|
|
|
|
// Remove any spaces between symbols
|
|
for (int i = 0; line[i] != '\0'; i++) {
|
|
if (isspace(line[i])) {
|
|
for (int j = i; line[j] != '\0'; j++) {
|
|
line[j] = line[j + 1];
|
|
}
|
|
i--; // Move back one step to recheck the current character
|
|
}
|
|
}
|
|
|
|
// Parse the line
|
|
if (sscanf(line, "%lf%c%lf=%lf", &num1, &op, &num2, &expected_result) != 4) {
|
|
printf("CHYBA\n");
|
|
continue;
|
|
}
|
|
|
|
// Check if the input is valid
|
|
if (op != '+' && op != '-' && op != '*' && op != '/') {
|
|
printf("CHYBA\n");
|
|
continue;
|
|
}
|
|
|
|
// Check for division by zero
|
|
if (op == '/' && num2 == 0) {
|
|
printf("ZLE\n");
|
|
continue;
|
|
}
|
|
|
|
// Perform the calculation
|
|
switch (op) {
|
|
case '+':
|
|
result = num1 + num2;
|
|
break;
|
|
case '-':
|
|
result = num1 - num2;
|
|
break;
|
|
case '*':
|
|
result = num1 * num2;
|
|
break;
|
|
case '/':
|
|
result = num1 / num2;
|
|
break;
|
|
}
|
|
|
|
// Check if the result is correct
|
|
if (result == expected_result) {
|
|
printf("OK\n");
|
|
} else {
|
|
printf("ZLE\n");
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|