diff --git a/README b/README
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index 0000000..a607957
--- /dev/null
+++ b/README
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+Use at your own risk.
+
+Compile flags:
+clang++ -std=c++17 -DONLINE_JUDGE -Wl,-z,stack-size=268435456 -Wall -Ofast -g -fsanitize=address -fsanitize=undefined
\ No newline at end of file