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View the Project on GitHub EarthMessenger/icpc-snippet
#include "lib/misc/bitop.hpp"
/** * @brief Bit Manipulation */ #pragma once #include "lib/internal.hpp" int clz(u64 x) { return __builtin_clzll(x); } int ctz(u64 x) { return __builtin_ctzll(x); } // floor(log2(x)) int lg2(u64 x) { return 63 ^ clz(x); } // bit width int btw(u64 x) { return lg2(x) + 1; } // bit ceil u64 btc(u64 x) { return (x <= 1 ? 1 : 1ull << btw(x - 1)); } // bit floor u64 btf(u64 x) { return 1ull << lg2(x); } // popcount __attribute__((target("popcnt"))) int ppc(u64 x) { return __builtin_popcountll(x); }
Traceback (most recent call last): File "/home/runner/.local/lib/python3.10/site-packages/onlinejudge_verify/documentation/build.py", line 71, in _render_source_code_stat bundled_code = language.bundle(stat.path, basedir=basedir, options={'include_paths': [basedir]}).decode() File "/home/runner/.local/lib/python3.10/site-packages/onlinejudge_verify/languages/cplusplus.py", line 187, in bundle bundler.update(path) File "/home/runner/.local/lib/python3.10/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 312, in update raise BundleErrorAt(path, i + 1, "#pragma once found in a non-first line") onlinejudge_verify.languages.cplusplus_bundle.BundleErrorAt: lib/misc/bitop.hpp: line 4: #pragma once found in a non-first line