diff --git a/index.md b/index.md
index 2fb15f2..a21e2ee 100644
--- a/index.md
+++ b/index.md
@@ -586,6 +586,9 @@ data:
     - icon: ':heavy_check_mark:'
       path: debug.h
       title: debug.h
+    - icon: ':warning:'
+      path: stack_increase.cpp
+      title: stack_increase.cpp
     - icon: ':heavy_check_mark:'
       path: template.h
       title: template.h
diff --git a/stack_increase.cpp.md b/stack_increase.cpp.md
new file mode 100644
index 0000000..b2e4b2f
--- /dev/null
+++ b/stack_increase.cpp.md
@@ -0,0 +1,43 @@
+---
+data:
+  _extendedDependsOn: []
+  _extendedRequiredBy: []
+  _extendedVerifiedWith: []
+  _isVerificationFailed: false
+  _pathExtension: cpp
+  _verificationStatusIcon: ':warning:'
+  attributes:
+    links:
+    - https://codeforces.com/blog/entry/120772
+  bundledCode: "#line 1 \"stack_increase.cpp\"\n// Source: https://codeforces.com/blog/entry/120772\n\
+    #include <bits/stdc++.h>\nusing namespace std;\nvoid main_() {\n    // implement\
+    \ your solution here\n}\nstatic void run_with_stack_size(void (*func)(void), size_t\
+    \ stsize) {\n    char *stack, *send;\n    stack = (char *)malloc(stsize);\n  \
+    \  send = stack + stsize - 16;\n    send = (char *)((uintptr_t)send / 16 * 16);\n\
+    \    asm volatile(\n        \"mov %%rsp, (%0)\\n\"\n        \"mov %0, %%rsp\\\
+    n\"\n        :\n        : \"r\"(send));\n    func();\n    asm volatile(\"mov (%0),\
+    \ %%rsp\\n\" : : \"r\"(send));\n    free(stack);\n}\nint main() {\n    run_with_stack_size(main_,\
+    \ 1024 * 1024 * 1024); // run with a 1 GiB stack\n    return 0;\n}\n"
+  code: "// Source: https://codeforces.com/blog/entry/120772\n#include <bits/stdc++.h>\n\
+    using namespace std;\nvoid main_() {\n    // implement your solution here\n}\n\
+    static void run_with_stack_size(void (*func)(void), size_t stsize) {\n    char\
+    \ *stack, *send;\n    stack = (char *)malloc(stsize);\n    send = stack + stsize\
+    \ - 16;\n    send = (char *)((uintptr_t)send / 16 * 16);\n    asm volatile(\n\
+    \        \"mov %%rsp, (%0)\\n\"\n        \"mov %0, %%rsp\\n\"\n        :\n   \
+    \     : \"r\"(send));\n    func();\n    asm volatile(\"mov (%0), %%rsp\\n\" :\
+    \ : \"r\"(send));\n    free(stack);\n}\nint main() {\n    run_with_stack_size(main_,\
+    \ 1024 * 1024 * 1024); // run with a 1 GiB stack\n    return 0;\n}\n"
+  dependsOn: []
+  isVerificationFile: false
+  path: stack_increase.cpp
+  requiredBy: []
+  timestamp: '2023-10-03 14:50:28-07:00'
+  verificationStatus: LIBRARY_NO_TESTS
+  verifiedWith: []
+documentation_of: stack_increase.cpp
+layout: document
+redirect_from:
+- /library/stack_increase.cpp
+- /library/stack_increase.cpp.html
+title: stack_increase.cpp
+---