Moved kattis from Uni repo

kattis/problems/18_11_23/asciikassi/1.in

@@ -0,0 +1,2 @@
+1
+Hannes

kattis/problems/18_11_23/asciikassi/main.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char **argv) {
+  int a;
+  scanf("%d", &a);
+  char c;
+  int b[100];
+  while ((c = getchar()) != '\n') {
+    if (c >= 'A' && c <= 'Z' && b[c - 'A'] == 0) {
+      printf("%c", c);
+      b[c - 'A'] = 1;
+    }
+  }
+  printf("\n");
+  return 0;
+}