From 85f66425f9c8ec31977f6a2df99d17cd383d4523 Mon Sep 17 00:00:00 2001
From: Yevhen Kozirovskyi <yevhen.kozirovskyi@student.tuke.sk>
Date: Thu, 17 Oct 2024 17:07:03 +0000
Subject: [PATCH] =?UTF-8?q?=D0=9E=D0=B1=D0=BD=D0=BE=D0=B2=D0=B8=D1=82?=
 =?UTF-8?q?=D1=8C=20cv3/program.c?=
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---
 cv3/program.c | 54 +++++++++++++--------------------------------------
 1 file changed, 13 insertions(+), 41 deletions(-)

diff --git a/cv3/program.c b/cv3/program.c
index c386dbd..77eb87b 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -51,7 +51,7 @@ int main() {
 
         if (c == '\n' && *bufer != '\n' && *bufer != ' ') {
             push(&stek, chislo);
-        } else if (c == '+') {
+        } else if (c == '+' || c == '-' || c == '*' || c == '/') {
             if (isEmpty(&stek)) {
                 printf("no input\n");
                 exit(1);
@@ -62,47 +62,19 @@ int main() {
                 exit(1);
             }
             double a = pop(&stek);
-            push(&stek, a + b);
-        } else if (c == '-') {
-            if (isEmpty(&stek)) {
-                printf("no input\n");
-                exit(1);
+            if (c == '+') {
+                push(&stek, a + b);
+            } else if (c == '-') {
+                push(&stek, a - b);
+            } else if (c == '*') {
+                push(&stek, a * b);
+            } else if (c == '/') {
+                if (b == 0) {
+                    printf("division by zero\n");
+                    return 0;
+                }
+                push(&stek, a / b);
             }
-            double b = pop(&stek);
-            if (isEmpty(&stek)) {
-                printf("no input\n");
-                exit(1);
-            }
-            double a = pop(&stek);
-            push(&stek, a - b);
-        } else if (c == '*') {
-            if (isEmpty(&stek)) {
-                printf("no input\n");
-                exit(1);
-            }
-            double b = pop(&stek);
-            if (isEmpty(&stek)) {
-                printf("no input\n");
-                exit(1);
-            }
-            double a = pop(&stek);
-            push(&stek, a * b);
-        } else if (c == '/') {
-            if (isEmpty(&stek)) {
-                printf("no input\n");
-                exit(1);
-            }
-            double b = pop(&stek);
-            if (isEmpty(&stek)) {
-                printf("no input\n");
-                exit(1);
-            }
-            double a = pop(&stek);
-            if (b == 0) {
-                printf("division by zero\n");
-                return 0;
-            }
-            push(&stek, a / b);
         } else if (isalpha(c)) {
             printf("bad input\n");
             return 0;