From 57a5a321d501a5103867c39a61436e30a950a1c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tokar=C4=8D=C3=ADk?= <matus.tokarcik@student.tuke.sk>
Date: Thu, 28 Mar 2024 23:51:44 +0000
Subject: [PATCH] Update 'a1/program.c'

---
 a1/program.c | 222 +++++++++++++++++++++++++++++++++++----------------
 1 file changed, 154 insertions(+), 68 deletions(-)

diff --git a/a1/program.c b/a1/program.c
index 004c252..3d9f98f 100644
--- a/a1/program.c
+++ b/a1/program.c
@@ -1,69 +1,155 @@
-#include <stdio.h>
-#include <string.h>
-#include <math.h>
-#include <ctype.h>
-#include <stdlib.h>
-
-int main(){
-	
-	char pole[100];
-	double cislo1;
-	double cislo2;
-	double vysledok;
-	char znamienko;
-	char* token;
-	char vysledky[50][50];  // pole pre ukladanie vysledkov
-	int pocet = 0;  
-
-	while (1) {
-		char* a = fgets(pole, 100, stdin);
-
-		if (pole[0] == '\n') {  //ci je riadok prazdny, ci sa stlacil enter
-			break;
-		}
-
-		token = strtok(pole, " "); //rozdelenie retazca podla medzier
-	    cislo1 = atof(token); // premena stringu na desatinne cislo a priradenie cislu1
-	    token = strtok(NULL, " "); //pokracovanie v rozdelovani retazca
-	    znamienko = token[0]; //vrati ukazatel na nasledujuci token, cize znamienko
-	    token = strtok(NULL, " =\n"); 
-	    cislo2 = atof(token);
-	    token = strtok(NULL, " =\n");
-	    vysledok = atof(token);
-
-		double realny;
-
-		switch (znamienko){
-			case '+':
-				realny = cislo1 + cislo2; 
-				break;
-			case '-':
-				realny = cislo1 - cislo2; 
-				break;
-			case '*':
-				realny = cislo1 * cislo2; 
-				break;
-			case '/':
-				realny = cislo1 / cislo2; 
-				break;
-			default:
-				printf("CHYBA\n");
-				return 1;
-		}
-
-		if (realny == vysledok){
-			strcpy(vysledky[pocet], "OK"); //kopiruje vysledok do pola vysledky
-		}
-		else{ 
-			strcpy(vysledky[pocet], "ZLE");
-		}
-		pocet++;
-	}
-
-	//vypis vysledkov
-	for (int i = 0; i < pocet; i++) {
-		printf("%s\n", vysledky[i]);
-	}
-
-	return 0;
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <ctype.h>
+#include <stdlib.h>
+
+
+struct uloha{
+
+    float result;
+	char Output[25];
+};
+
+
+char* ClearString(const char* str) {
+    const char* separator = " "; // Declare separator as const pointer
+    char* novy_string = malloc(strlen(str) + 1); // Allocate memory for new string
+    if (novy_string == NULL) {
+        
+        return NULL;
+    }
+    novy_string[0] = '\0'; // Initialize the new string
+
+    char* token;
+    char* kopie_str = strdup(str); // Make a copy of the original string
+    if (kopie_str == NULL) {
+        free(novy_string); // Free memory allocated for new string
+      
+        return NULL;
+    }
+
+    // Get the first token
+    token = strtok(kopie_str, separator);
+
+    // Iterate through the remaining tokens
+    while (token != NULL) {
+        strcat(novy_string, token); // Append token to the new string
+        token = strtok(NULL, separator); // Get the next token
+    }
+
+    free(kopie_str); // Free the copied string as it's no longer needed
+
+    return novy_string;
+}
+
+
+
+int main(){
+
+    char pole[100];
+    memset(pole,0,100);
+    
+    char CistePole[100];
+    
+    float cislo1;
+    float cislo2;
+    char znamienko;
+    
+    char* token;
+    int priklad = 0;
+    
+    int chyba = 0;
+    
+    struct uloha excel[100];
+    
+    while (1) {
+        char* a = fgets(pole, 100, stdin);
+
+        if (pole[0] == '\n' || a == NULL ) {  
+            break;
+        }
+//CHECK
+    for(int i = 0; i<strlen(pole); i++){
+        
+        if(isdigit(pole[i]==0)){
+            
+                    if(pole[i] == '.'){
+                        continue;
+                     }
+            strcpy(excel[priklad].Output, "CHYBA");
+            chyba = 1;
+        }
+        
+    }
+    
+if(chyba == 0){
+    
+ 
+    
+    char* ptrc = ClearString(pole);
+    strcpy(CistePole, ptrc);
+    char znamienka[] ="+-*/";
+    char* endptr;
+    
+    	cislo1 = strtof(CistePole, &endptr);
+	    
+        znamienko = *endptr; 
+        
+        cislo2 = strtof(endptr + 1, &endptr); 
+        
+        excel[priklad].result = strtof(endptr + 1, NULL);
+        //printf("STRUCT RESULT: %f\n",excel[priklad].result);
+        
+        //CHECK ZNAMIENKA
+    for(int i = 0; i<4;i++){
+            
+         if(strchr(znamienka,znamienko)==NULL){
+            chyba=2;
+            strcpy(excel[priklad].Output, "CHYBA");
+            break;
+            }
+            
+    }
+
+    if(chyba!=2){
+        
+    
+    float realny = 0;
+    
+        if (znamienko == '+') {
+            realny = cislo1 + cislo2;
+        } else if (znamienko == '-') {
+         realny = cislo1 - cislo2;
+        } else if (znamienko == '*') {
+         realny = cislo1 * cislo2;
+        } else if (znamienko == '/') {
+         realny = cislo1 / cislo2;
+        } else {
+        strcpy(excel[priklad].Output, "CHYBA");
+        return 1;
+}
+        
+        realny = round(realny * 100) / 100;
+
+        if (realny == excel[priklad].result){
+            strcpy(excel[priklad].Output, "OK"); //kopiruje vysledok do pola vysledky
+        }
+        else{ 
+            strcpy(excel[priklad].Output, "ZLE");
+        }
+        
+    }
+    
+}        
+        priklad++;
+        
+        
+    }
+    //vypis vysledkov
+    for (int i = 0; i < priklad; i++) {
+        printf("%s\n",excel[i].Output);
+    }
+
+    return 0;
 }
\ No newline at end of file