diff --git a/LibreOJ/111/data/hack1.in b/LibreOJ/111/data/hack1.in
new file mode 100644
index 00000000..c99af07d
--- /dev/null
+++ b/LibreOJ/111/data/hack1.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/LibreOJ/111/data/hack1.out b/LibreOJ/111/data/hack1.out
new file mode 100644
index 00000000..ddc61ed0
--- /dev/null
+++ b/LibreOJ/111/data/hack1.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/LibreOJ/111/data/hack2.in b/LibreOJ/111/data/hack2.in
new file mode 100644
index 00000000..5cb7256f
--- /dev/null
+++ b/LibreOJ/111/data/hack2.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/LibreOJ/111/data/hack2.out b/LibreOJ/111/data/hack2.out
new file mode 100644
index 00000000..453839dd
--- /dev/null
+++ b/LibreOJ/111/data/hack2.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/LibreOJ/111/data/hack_dc3.in b/LibreOJ/111/data/hack_dc3.in
new file mode 100644
index 00000000..d4aca949
--- /dev/null
+++ b/LibreOJ/111/data/hack_dc3.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/LibreOJ/111/data/hack_dc3.out b/LibreOJ/111/data/hack_dc3.out
new file mode 100644
index 00000000..ebf8979a
--- /dev/null
+++ b/LibreOJ/111/data/hack_dc3.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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