From e1f2bf693bbc80364572b888e30f2cc51b6a5a2d Mon Sep 17 00:00:00 2001
From: Oleksandr Hryshchenko <oh735kh@omega.tuke.sk>
Date: Tue, 23 Feb 2021 16:25:54 +0100
Subject: [PATCH] druha verzia

---
 du1/program.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/du1/program.c b/du1/program.c
index b525181..bc3f656 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -1,6 +1,20 @@
 #include <stdio.h>
 
 int main (){
-	printf("Ahoj Svet\n");
+	int c = 0;
+	int counter = 0;
+	while(c != EOF){
+		c = getchar();
+		if (c >= 'a' && c <= 'z'){
+			putchar (c - 'a' + 'A');
+		}
+		else if ( c >= 'A' && c <= 'Z'){
+			putchar (c + 'a' - 'A');
+		}
+	counter++;
+	}
+	
+	printf("\nPočet riadkov: %d\n",counter);
+	
 	return 0;
 }