# 暑期訓練─題解 <!-- {%hackmd 5XvDVfeJSWiKEvOFNAEzFg %} --> {%hackmd @mathlin/B1IqUfkgv %} Source: [2020_暑訓─(@tcchiang)](https://hackmd.io/@tcchiang/Hk1oAePJw?fbclid=IwAR13Igwf40BWt7A88FbvOwYgkQH8pkXoUb8b9wOfPXytBXVION02j1Krj64) {%hackmd @tcchiang/vBfi516FRY2fzwDWPfVEUg?fbclid=IwAR0TTu8JU5zGwixfOrVk0re6TGh-SLA71hnEm571IY4-Lor0ONfnQdHs3jA %}