diff --git a/v4.1/quadratzahlen.c b/v4.1/quadratzahlen.c
new file mode 100644
index 0000000..385aade
--- /dev/null
+++ b/v4.1/quadratzahlen.c
@@ -0,0 +1,18 @@
+#include <stdio.h>
+
+#define NUM_QUADRATE 100
+
+int main(void) {
+    
+    int quadrate[NUM_QUADRATE];
+
+    for (int i = 0; i < NUM_QUADRATE; i++) {
+        quadrate[i] = (i + 1) * (i + 1);
+    }
+
+    for (int i = 0; i < NUM_QUADRATE; i++) {
+        printf("%d\n", quadrate[i]);
+    }
+
+    return 0;
+}