From bb34fa76cd3844b6fcd312cd014b4bdcfa7ff5c7 Mon Sep 17 00:00:00 2001
From: Yevhen Kozirovskyi <yevhen.kozirovskyi@student.tuke.sk>
Date: Thu, 17 Oct 2024 17:52:48 +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 | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/cv3/program.c b/cv3/program.c
index 48054af..5ab87e8 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -25,7 +25,7 @@ int isFull(StEk* stek) {
 
 void push(StEk* stek, double chislo) {
     if (isFull(stek)) {
-        printf("no input\n");
+        printf("not enough operands\n");
         exit(1);
     }
     stek->chisla[stek->vershina] = chislo;
@@ -34,7 +34,7 @@ void push(StEk* stek, double chislo) {
 
 double pop(StEk* stek) {
     if (isEmpty(stek)) {
-        printf("no input\n");
+        printf("not enough operands\n");
         exit(1);
     }
     return stek->chisla[--stek->vershina];
@@ -46,12 +46,15 @@ int main() {
     char bufer[256];
     while (fgets(bufer, sizeof(bufer), stdin) != NULL) {
         if (bufer[0] == '\n') {
-            printf("no input\n");
+            if (isEmpty(&stek)) {
+                printf("no input\n");
+            } else {
+                double result = pop(&stek);
+                printf("%.2lf\n", result);
+            }
             return 0;
         }
-        
 
-        
         char* konec;
         double chislo = strtod(bufer, &konec);
         char c = konec[0];
@@ -60,13 +63,13 @@ int main() {
             push(&stek, chislo);
         } else if (c == '+' || c == '-' || c == '*' || c == '/') {
             if (isEmpty(&stek)) {
-                printf("no input\n");
-                exit(1);
+                printf("not enough operands\n");
+                return 0;
             }
             double b = pop(&stek);
             if (isEmpty(&stek)) {
-                printf("no input\n");
-                exit(1);
+                printf("not enough operands\n");
+                return 0;
             }
             double a = pop(&stek);
             if (c == '+') {
@@ -85,7 +88,7 @@ int main() {
         } else if (!isdigit(c) || !isalpha(c)) {
             printf("bad input\n");
             return 0;
-        } else{
+        } else {
             printf("no input\n");
             return 0;
         }