atcoder folder in the ac-library folder, after extracting the zip file.g++ main.cpp -std=c++14 -I . with putting atcoder folder on the same place as main.cpp.-std=c++14 or -std=c++17.unsigned int → uintlong long → llunsigned long long → ull#include <atcoder/all> : include everything
#include <atcoder/fenwicktree>#include <atcoder/segtree>#include <atcoder/lazysegtree>#include <atcoder/string>#include <atcoder/dsu>#include <atcoder/maxflow>#include <atcoder/mincostflow>#include <atcoder/scc>#include <atcoder/twosat>The header files in atcoder folder are licensed under a CC0 license. See atcoder/LICENSE for further details.