zmeny

du3/program.c

@@ -0,0 +1,48 @@
+#include <stdio.h>
+#include <stdbool.h>
+
+bool is_operation(char op) {
+    return op == '+' || op == '-' || op == '*' || op == '/';
+}
+
+int main() {
+    char line[100];
+
+
+    while(true) {
+        if(fgets(line, sizeof(line), stdin) == NULL || line[0] == '\n') {
+            break;
+        }
+        double firstNumber = 0;
+        double secondNumber = 0;
+        double ans = 0;
+        char op;
+        if(sscanf(line, "%lf %c %lf = %lf", &firstNumber, &op, &secondNumber, &ans) != 4 || !is_operation(op)) {
+            printf("CHYBA\n");
+            continue;
+        }
+
+        double result = 0;
+
+        if(op == '+') {
+            result = firstNumber + secondNumber;
+        } else if(op == '-') {
+            result = firstNumber - secondNumber;
+        } else if(op == '*') {
+            result = firstNumber * secondNumber;
+        } else {
+            if(secondNumber != 0) {
+                result = firstNumber / secondNumber;
+            }
+        }
+        if (ans == result) {
+            printf("OK\n");
+        } else {
+            printf("ZLE\n");
+        }
+
+    }
+
+    return 0;
+}
+