dostali sme

a1/program.c

@@ -0,0 +1,31 @@
+#include <stdio.h>
+
+int main(void) {
+    int c;
+    int riadky = 0;
+
+    while ((c = getchar()) != EOF) {
+        if (c == '\n') {
+            putchar('\n');
+            riadky++;
+            continue;
+        }
+
+
+        if (c < 32 || c == 127) {   
+            continue;
+        }
+
+        if (c >= 'a' && c <= 'z') {
+            putchar(c - 'a' + 'A');
+        } else if (c >= 'A' && c <= 'Z') {
+            putchar(c - 'A' + 'a');
+        } else {
+
+            putchar(c);
+        }
+    }
+
+    printf("\nPocet riadkov: %d\n", riadky);
+    return 0;
+}