Update 'cv1/program.c'

cv1/program.c

@@ -1,11 +1,15 @@
 #include <stdio.h>
 
 int main() {
-    int c = 0; 
+    int c = 0;
     int lines_count = 0;
+    int last_char_was_newline = 0; 
 
     while ((c = getchar()) != EOF) {
         
+        last_char_was_newline = 0;
+
+        
         if (c >= 'a' && c <= 'z') {
             c = c - 'a' + 'A';
         }
@@ -13,19 +17,20 @@ int main() {
         else if (c >= 'A' && c <= 'Z') {
             c = c - 'A' + 'a';
         }
-        
+       
         if (c == '\n') {
             lines_count++;
+            last_char_was_newline = 1;
         }
-       
+
         putchar(c);
     }
 
-
-    if (lines_count > 0) {
-        putchar('\n'); 
+    
+    if (!last_char_was_newline) {
+        putchar('\n');
     }
     printf("Lines count: %d\n", lines_count);
 
     return 0;
-}
+}