From a6fe3efa58040535870cfa7f987ab150931d19e4 Mon Sep 17 00:00:00 2001
From: Denis Landa <denis.landa@student.tuke.sk>
Date: Fri, 14 Mar 2025 10:52:07 +0100
Subject: [PATCH]  daco dzive

---
 du3/program.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 du3/program.c

diff --git a/du3/program.c b/du3/program.c
new file mode 100644
index 0000000..1ad6fc3
--- /dev/null
+++ b/du3/program.c
@@ -0,0 +1,67 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <math.h>
+
+
+int main(){
+    char riadok[100];
+    while(fgets(riadok, sizeof(riadok), stdin)){
+        if(riadok[0] == '\n'){
+            printf("KONIEC\n");
+            break;
+        }
+
+        char *ptr = riadok;
+        while(*ptr == ' ')ptr++;
+        float cislo1 = strtof(ptr, &ptr);
+
+        while(*ptr == ' ')ptr++;
+        char operacia = *ptr;
+        ptr++;
+
+        while(*ptr == ' ')ptr++;
+        float cislo2 = strtof(ptr, &ptr);
+
+        while(*ptr == ' ')ptr++;
+        if (*ptr != '='){
+            printf("CHYBA\n");
+            continue;
+         }
+        ptr++;
+
+        while(*ptr == ' ')ptr++;
+        float zadany_vysledok = strtof(ptr, &ptr);
+
+        float skutocny_vysledok = 0;
+        int chyba = 0;
+
+        switch(operacia){
+            case '+': skutocny_vysledok = cislo1 + cislo2; break;
+            case '-': skutocny_vysledok = cislo1 - cislo2; break;
+            case '*': skutocny_vysledok = cislo1 * cislo2; break;
+            case '/':
+                if (cislo2 == 0){
+                    chyba = 1;
+                  } else {
+                    skutocny_vysledok = cislo1 / cislo2;
+                  }
+                break;
+            default: chyba = 1;
+         }
+
+        if (chyba){
+            printf("CHYBA\n");
+            continue;
+         }
+
+        if (zaokruhli(skutocny_vysledok) == zaokruhli(zadany_vysledok)) {
+            printf("OK\n");
+         } else {
+            printf("ZLE\n");
+      }
+   }
+    return 0;
+}
+