diff --git a/DeitelC/HollowSquareOfAsteriks.c b/DeitelC/HollowSquareOfAsteriks.c
new file mode 100644
index 0000000..48ec373
--- /dev/null
+++ b/DeitelC/HollowSquareOfAsteriks.c
@@ -0,0 +1,49 @@
+#include <stdio.h>
+
+int main(void){
+    int a = 0;
+    int b = 1;
+    int c = 1;
+
+    printf("%s\n","Enter side of asteriks!");
+    scanf("%d", &a);
+
+    while(b = 1) {
+        while(c <= a) {
+            printf("*");
+            c++;
+        }
+        printf("\n");
+        c = 1;
+        b++;
+    }
+    
+        while(b != 1 && b < a) {
+        while(c = 1) {
+            printf("*");
+            c++;
+        }
+        while(c != 1 && c < a) {
+            printf(" ");
+            c++;
+        }
+        while(c = a) {
+            printf("*");
+            c++;
+        }
+        printf("\n");
+        c = 1;
+        b++;
+    }
+
+    while(b = a) {
+        while(c <= a) {
+            printf("*");
+            c++;
+        }
+        printf("\n");
+        c = 1;
+        b++;
+    }
+    return 0;
+}
\ No newline at end of file
diff --git a/DeitelC/SquareOfAsteriks.c b/DeitelC/SquareOfAsteriks.c
new file mode 100644
index 0000000..13dad48
--- /dev/null
+++ b/DeitelC/SquareOfAsteriks.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+
+int main(void){
+    int a = 0;
+    int b = 1;
+    int c = 1;
+
+    printf("%s\n","Enter side of asteriks!");
+    scanf("%d", &a);
+
+    while(b <= a) {
+        while(c <= a) {
+            printf("*");
+            c++;
+        }
+        printf("\n");
+        c = 1;
+        b++;
+    }
+    return 0;
+}
\ No newline at end of file
diff --git a/DeitelC/TwoLargestNumber.c b/DeitelC/TwoLargestNumber.c
index 5f78279..8ae9894 100644
--- a/DeitelC/TwoLargestNumber.c
+++ b/DeitelC/TwoLargestNumber.c
@@ -9,6 +9,7 @@ int main(void) {
         printf("%s\n","Enter 10 positive Integer");
         scanf("%d", &number);
         if(number >= largest) {
+            SecondLargest = largest;
             largest = number;
         } else if (number > SecondLargest && number != SecondLargest){
             SecondLargest = number;
diff --git a/DeitelC/a.exe b/DeitelC/a.exe
index 5455849..282ee02 100644
Binary files a/DeitelC/a.exe and b/DeitelC/a.exe differ