From 7ba9b3ef0b86be5ffd2f5098ac050d737f98a8fe Mon Sep 17 00:00:00 2001
From: Patrik Seman <patrik.seman.3@student.tuke.sk>
Date: Thu, 16 Mar 2023 15:43:09 +0100
Subject: [PATCH] program.c

---
 du4/program.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 du4/program.c

diff --git a/du4/program.c b/du4/program.c
new file mode 100644
index 0000000..a1dda95
--- /dev/null
+++ b/du4/program.c
@@ -0,0 +1,64 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+
+int main(){
+
+    char vstup[100];
+    float x;
+    float y;
+    float z;
+    char znamienko;
+
+    while(fgets(vstup, 100, stdin)==NULL || *vstup=='\n'){
+        if(sscanf(vstup, "%f %c %f = %f", &x, znamienko ,&y ,&z)!=4){
+            printf("CHYBA\n");
+            continue;
+        }
+        if(znamienko == '+'){
+            float rozdiel;
+            rozdiel=(x+y)-z;
+            if(rozdiel>-0.001 && rozdiel<0.001){
+                printf("OK\n");
+            }
+            else{
+                printf("ZLE\n");
+            }
+        }
+        else if(znamienko == '-'){
+            float rozdiel;
+            rozdiel=(x-y)-z;
+            if(rozdiel>-0.001 && rozdiel<0.001){
+                printf("OK\n");
+            }
+            else{
+                printf("ZLE\n");
+            }
+        }
+        else if(znamienko == '*'){
+            float rozdiel;
+            rozdiel=(x*y)-z;
+            if(rozdiel>-0.001 && rozdiel<0.001){
+                printf("OK\n");
+            }
+            else{
+                printf("ZLE\n");
+            }
+        }
+        else if(znamienko == '/'){
+            float rozdiel;
+            rozdiel=(x/y)-z;
+            if(rozdiel>-0.001 && rozdiel<0.001){
+                printf("OK\n");
+            }
+            else{
+                printf("ZLE\n");
+            }
+        }
+        else{
+            printf("CHYBA\n");
+        }
+        
+    }
+
+}
\ No newline at end of file