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### File: benchmark/0016.endl/ofstream_endl.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_legacy.h> #include<fast_io_driver/timer.h> int main() { fast_io::timer tm(u8"ofstream_endl"); fast_io::filebuf_file fbf(u8"ofstream_endl.txt",fast_io::open_mode::out); std::ostream fout(fbf.fb); //PLEASE N...
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### File: benchmark/0016.endl/u8c_file_unlocked.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_legacy.h> #include<fast_io_driver/timer.h> using namespace fast_io::io; int main() { fast_io::timer tm(u8"u8c_file_unlocked"); fast_io::u8c_file_unlocked cf(u8"filebuf_file.txt",fast_io::open_mode::out)...
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### File: benchmark/0016.endl/u8native_file.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_driver/timer.h> using namespace fast_io::io; int main() { fast_io::timer tm(u8"u8obuf_file"); fast_io::u8native_file nf(u8"u8native_file.txt",fast_io::open_mode::out); // native_file does not hold a buffer ...
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### File: benchmark/0016.endl/u8obuf_file.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_driver/timer.h> using namespace fast_io::io; int main() { fast_io::timer tm(u8"u8obuf_file"); fast_io::u8obuf_file obf(u8"u8obuf_file.txt"); for(std::size_t i{};i!=10000000;++i) print(obf,u8"Hello World\n"...
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### File: examples/0000.compile/compile.cc #include<fast_io.h> int main(){} /* g++ -o compile compile.cc -Ofast -std=c++20 -s -flto -march=native -I../../include */
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### File: examples/0000.compile/compile_hosted.cc #include<fast_io_hosted.h> int main(){} /* g++ -o compile_hosted compile_hosted.cc -Ofast -std=c++20 -s -flto -march=native -I../../include */
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### File: examples/0001.helloworld/helloworld.cc #include<fast_io.h> // Basic functions like print and scan are in namespace fast_io::io // The namespace is introduced to avoid conflict with std::print // It's encouraged to directly be 'using' using namespace fast_io::io; int main() { print("Hello World\n"); } /* T...
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### File: examples/0001.helloworld/helloworld_android_remote_dbg.cc #include<fast_io.h> #include<android/log.h> using namespace fast_io::io; int main() { print(fast_io::dbg(ANDROID_LOG_FATAL,"fast_io"), std::source_location::current(),"\n", utc(fast_io::posix_clock_gettime(fast_io::posix_clock_id::realtime)),"\...
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### File: examples/0001.helloworld/helloworld_box.cc #include<fast_io.h> using namespace fast_io::io; int main() { print(fast_io::box(),"Hello World\n"); }
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### File: examples/0001.helloworld/helloworld_dbg.cc #include<fast_io.h> using namespace fast_io::io; int main() { print(fast_io::dbg(),"Hello World remote debugger from fast_io\n");//it will use remote debugger if you have one. }
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### File: examples/0001.helloworld/helloworld_out.cc #include<fast_io.h> using namespace fast_io::io; int main() { print(fast_io::out(),"Hello World\n"); } /* This outputs to file descriptor 1 on non-windows systems. STDOUT_HANDLE on windows or Wine or ReactOS. */
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### File: examples/0001.helloworld/helloworld_out_buf_mutex.cc #include<fast_io.h> using namespace fast_io::io; fast_io::out_buf_type_mutex globalstdout{fast_io::out()}; int main() { print(globalstdout,"Hello World\n"); } /* This creates a global object that can avoid CRT. but being thread-safe and full buffer. */
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### File: examples/0002.a+b/a+b.cc #include<fast_io.h> using namespace fast_io::io; int main() { std::size_t a,b; scan(a,b); println(a+b); }
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### File: examples/0002.a+b/base36_a+b.cc #include<fast_io.h> using namespace fast_io::io; int main() { using namespace fast_io::mnp; std::size_t a,b; scan(base_get<36>(a),base_get<36>(b)); println(base<36>(a+b)); }
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### File: examples/0002.a+b/hex_a+b.cc #include<fast_io.h> using namespace fast_io::io; int main() { using namespace fast_io::mnp; std::size_t a,b; scan(hex_get(a),hex_get(b)); println(hex(a+b)," ",hexupper(a+b)); }
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### File: examples/0003.manipulators/0x2a.cc #include<string> #include<fast_io.h> using namespace fast_io::io; int main() { using namespace fast_io::mnp; println( fast_io::concatln(middle(hex<true>(42),8,'-'),"\t",addrvw(42)), middle(hex<true>(42),8,'-'),"\t",addrvw(42)); } /* D:\hg\fast_io\examples\0003.manipu...
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### File: examples/0003.manipulators/0x2a_0x.cc #include<string> #include<fast_io.h> using namespace fast_io::io; int main() { using namespace fast_io::mnp; println( fast_io::concatln(middle(hex0x(42),8,'-'),"\t",addrvw(42)), middle(hex0xupper(42),8,'-'),"\t",addrvw(42),"\n", middle(base<36,true>(42),11,'-')); ...
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### File: examples/0003.manipulators/0x2a_0x_imbue.cc #include<fast_io.h> #include<fast_io_i18n.h> using namespace fast_io::io; int main() { using namespace fast_io::mnp; fast_io::native_l10n loc(u8""); println(imbue(loc,fast_io::c_stdout()), middle(hex0x(420000U),11,'-'),"\t",addrvw(420000U),"\n", middle(hex0x...
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### File: examples/0003.manipulators/0x2a_0x_imbue_for_fout.cc #include<fast_io.h> #include<fast_io_i18n.h> #include<fast_io_legacy.h> #include<fstream> using namespace fast_io::io; int main() { using namespace fast_io::mnp; fast_io::native_l10n loc(u8""); std::ofstream fout("ofstream.txt"); fast_io::filebuf_io_...
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### File: examples/0003.manipulators/0x2a_custom.cc #include<string> #include<fast_io.h> namespace fast_io::manipulators { /* fast_io::manipulators allow user to add their custom manipulators */ template<typename T> inline constexpr auto hex_middle_8(T const &t) { return middle(hex<true>(t),8,'-'); } } using name...
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### File: examples/0003.manipulators/boolalpha.cc #include<fast_io.h> using namespace fast_io::io; int main() { using namespace fast_io::mnp; println(true," ",boolalpha(true)); }
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### File: examples/0003.manipulators/chvw.cc #include<fast_io.h> using namespace fast_io::io; int main() { using namespace fast_io::mnp; println('a'," ",chvw('a')); }
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### File: examples/0003.manipulators/cond.cc #include<fast_io.h> using namespace fast_io::io; int main() { println(fast_io::mnp::cond(true,"hello","world"),"\n", fast_io::mnp::cond(false,"hello","world")); }
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### File: examples/0003.manipulators/os_c_str.cc #include<fast_io.h> using namespace fast_io::io; int main() { using namespace fast_io::mnp; constexpr char const* ptr{"Hello\0World\n"}; println("Hello\0World\n", ptr,"\n", os_c_str(ptr),"\n", os_c_str(ptr,4),"\n", os_c_str(ptr,10)); } /* $ g++ -v Using bui...
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### File: examples/0003.manipulators/pointer.cc #include<fast_io.h> #include<memory> class dummy_class { public: void dummy_method() noexcept{} }; struct A { virtual void f() noexcept {} }; struct B { virtual void g() noexcept {} }; struct C : A, B {}; using namespace fast_io::io; int main() { using namespace ...
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### File: examples/0003.manipulators/rgvw.cc #include <string> #include <string_view> #include <deque> #include <set> #include <unordered_set> #include <fast_io.h> #include <fast_io_dsal/vector.h> int main() { using namespace fast_io::io; using namespace fast_io::mnp; using namespace std::literals; fast_io::vecto...
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### File: examples/0003.manipulators/width.cc #include<fast_io.h> using namespace fast_io::io; int main() { using namespace fast_io::mnp; println(left("hello",20)); println(middle("hello",20)); println(right("hello",20)); }
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### File: examples/0003.manipulators/width_runtime.cc #include<fast_io.h> using namespace fast_io::io; int main() { using namespace fast_io::mnp; scalar_placement place1 = scalar_placement::left; scalar_placement place2 = scalar_placement::middle; scalar_placement place3 = scalar_placement::right; scalar_plac...
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### File: examples/0004.time/posix_clock_gettime.cc #include<fast_io.h> using namespace fast_io::io; int main() { fast_io::posix_tzset(); fast_io::unix_timestamp tsp{fast_io::posix_clock_gettime(fast_io::posix_clock_id::realtime)}; println("Unix Timestamp:",tsp,"\n" "utc:",utc(tsp),"\n" "local:",local(tsp),"\...
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### File: examples/0004.time/timezone.cc #include<fast_io.h> using namespace fast_io::io; int main() { println(fast_io::native_local_timezone{}()); }
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### File: examples/0005.sha/compile_time.cc #include<array> #include<string_view> #include<fast_io.h> #include<fast_io_crypto.h> constexpr auto evaluate_sha512() noexcept { using fast_io::mnp::hash_digest; std::array<char8_t,print_reserve_size(fast_io::io_reserve_type<char8_t,decltype(hash_digest(fast_io::sha512_co...
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### File: examples/0005.sha/crc32.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_crypto.h> /* This is just for demo purpose. You should avoid crc32 families in general because it is not even a crypto hash function. */ using namespace fast_io::io; int main(int argc,char** argv) { using namespace...
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### File: examples/0005.sha/cryptopp_md5.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_driver/cryptopp_driver.h> #define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1 #include<cryptopp/md5.h> /* This is just for demo purpose. You should avoid md5 in general because it is insecure. Need to install CryptoPP fir...
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### File: examples/0005.sha/cryptopp_sha256.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_driver/cryptopp_driver.h> #include<cryptopp/sha.h> /* Need to install CryptoPP first */ using namespace fast_io::io; int main(int argc,char** argv) { using namespace fast_io::mnp; if(argc!=2) { if(arg...
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### File: examples/0005.sha/cryptopp_sha512.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_driver/cryptopp_driver.h> #include<cryptopp/sha.h> /* Need to install CryptoPP first */ using namespace fast_io::io; int main(int argc,char** argv) { using namespace fast_io::mnp; if(argc!=2) { if(arg...
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### File: examples/0005.sha/md5.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_crypto.h> /* This is just for demo purpose. You should avoid md5 in general because it is insecure. */ using namespace fast_io::io; int main(int argc,char** argv) { using namespace fast_io::mnp; if(argc!=2) { if(...
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### File: examples/0005.sha/native_hash_file.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_hosted_crypto.h> using namespace fast_io::io; int main(int argc,char** argv) try { using namespace fast_io::mnp; if(argc!=3) { if(argv==0) { return 1; } perr("Usage: ",os_c_str(*argv)," <hash...
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### File: examples/0005.sha/ossl_evp.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_hosted_crypto.h> using namespace fast_io::io; int main(int argc,char** argv) try { using namespace fast_io::mnp; if(argc!=3) { if(argv==0) { return 1; } perr("Usage: ",os_c_str(*argv)," <hash algorit...
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### File: examples/0005.sha/ossl_md5.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_driver/openssl_driver.h> /* This is just for demo purpose. You should avoid md5 in general because it is insecure. Need to install OpenSSL first */ using namespace fast_io::io; int main(int argc,char** argv) { u...
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### File: examples/0005.sha/ossl_sha1.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_driver/openssl_driver.h> /* This is just for demo purpose. You should avoid sha1 in general because it is insecure. Need to install OpenSSL first */ using namespace fast_io::io; int main(int argc,char** argv) { ...
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### File: examples/0005.sha/ossl_sha256.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_driver/openssl_driver.h> /* Need to install OpenSSL first */ using namespace fast_io::io; int main(int argc,char** argv) { using namespace fast_io::mnp; if(argc!=2) { if(argc==0) { return 1; } pe...
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### File: examples/0005.sha/ossl_sha512.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_driver/openssl_driver.h> /* Need to install OpenSSL first */ using namespace fast_io::io; int main(int argc,char** argv) { using namespace fast_io::mnp; if(argc!=2) { if(argc==0) { return 1; } pe...
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### File: examples/0005.sha/sha1.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_crypto.h> /* This is just for demo purpose. You should avoid sha1 in general because it is insecure. fast_io's own implementation. No need to install anything. Probably need -march=native to enable sha intrinsics */ u...
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### File: examples/0005.sha/sha256.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_crypto.h> /* fast_io's own implementation. No need to install anything. Probably need -march=native to enable sha intrinsics */ using namespace fast_io::io; int main(int argc,char** argv) { using namespace fast_io...
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### File: examples/0005.sha/sha512.cc #include<fast_io.h> #include<fast_io_device.h> #include<fast_io_crypto.h> /* fast_io's own implementation. No need to install anything. */ using namespace fast_io::io; int main(int argc,char** argv) { using namespace fast_io::mnp; if(argc!=2) { if(argc==0) { return 1;...
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### File: examples/0006.file_io/count_all_spaces_in_file.cc #include<algorithm> #include<fast_io.h> using namespace fast_io::io; int main(int argc,char** argv) { if(argc!=2) { if(argc==0) { return 1; } perr("Usage: ",fast_io::mnp::os_c_str(*argv)," <file>\n"); return 1; } fast_io::native_file_loader ...
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### File: examples/0006.file_io/file_loader.cc #include<fast_io.h> using namespace fast_io::io; int main(int argc,char** argv) { if(argc!=2) { if(argc==0) { return 1; } perr("Usage: ",fast_io::mnp::os_c_str(*argv)," <file>\n"); return 1; } fast_io::native_file_loader loader(::fast_io::mnp::os_c_str(...
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### File: examples/0006.file_io/file_loader_extra.cc #include<fast_io.h> using namespace fast_io::io; int main(int argc,char** argv) { if(argc!=2) { if(argc==0) { return 1; } perr("Usage: ",fast_io::mnp::os_c_str(*argv)," <file>\n"); return 1; } //fill 100 zero bytes after the end of the file. Some l...
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### File: examples/0006.file_io/ibuf_file.cc #include<fast_io.h> #include<fast_io_device.h> using namespace fast_io::io; int main(int argc,char** argv) { if(argc!=2) { if(argc==0) { return 1; } perr("Usage: ",fast_io::mnp::os_c_str(*argv)," <file>\n"); return 1; } fast_io::ibuf_file ibf(fast_io::mnp...
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### File: examples/0006.file_io/utf8_to_utf16.cc #include<fast_io.h> #include<fast_io_device.h> using namespace fast_io::io; int main(int argc,char** argv) #ifdef __cpp_exceptions try #endif { using namespace fast_io::mnp; if(argc!=3) { if(argc==0) { return 1; } perr("Usage: ",os_c_str(*argv)," <input ...
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### File: examples/0007.legacy/c_file.cc #include<fast_io.h> using namespace fast_io::io; int main() { fast_io::c_file cfl("c_file.txt",fast_io::open_mode::out); /* c_file will construct a FILE* directly through syscalls. */ print(cfl,"Hello World from fast_io::c_file\n"); /* Just for demo purpose This is dangerou...
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### File: examples/0007.legacy/construct_fp_from_syscall.cc #include<fast_io_legacy.h> using namespace fast_io::io; int main() { /* This is an example to explain how fast_io's files work with each other, and how you could use fast_io with existing FILE* or fstream apis */ #if (defined(_WIN32)&&!defined(__WINE__)) &&...
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### File: examples/0007.legacy/construct_fstream_from_syscall.cc #include<fast_io_legacy.h> #include<fstream> using namespace fast_io::io; int main() { /* This is an example to explain how fast_io's files work with each other, and how you could use fast_io with existing FILE* or fstream apis */ #if (defined(_WIN32) ...
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### File: examples/0007.legacy/construct_fstream_from_syscall_l10n.cc #include<fast_io_legacy.h> #include<fstream> #include<fast_io_i18n.h> using namespace fast_io::io; int main() { /* This is an example to explain how fast_io's files work with each other, and how you could use fast_io with existing FILE* or fstream...
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### File: examples/0007.legacy/filebuf_file.cc #include<fast_io_legacy.h> using namespace fast_io::io; int main() { fast_io::filebuf_file fbf("filebuf_file.txt",fast_io::open_mode::out); /* filebuf_file will construct a std::filebuf directly through syscalls. */ std::ofstream fout; *fout.rdbuf()=std::move(*fbf.fb...
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### File: examples/0007.legacy/filebuf_file_ostream.cc #include<fast_io_legacy.h> using namespace fast_io::io; int main() { fast_io::filebuf_file fbf(u8"filebuf_file_ostream.txt",fast_io::open_mode::out); /* filebuf_file will construct a std::filebuf directly through syscalls. */ std::ostream fout(fbf.fb); //make ...
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### File: examples/0007.legacy/get_file_descriptor_from_std_cout.cc #include<iostream> #include<fast_io_legacy.h> /* C++ iostream is a holy crap. You cannot access FILE* inside std::cout because of the OO garbage. See an old blog: https://www.ginac.de/~kreckel/fileno/ Also see wiki in fast_io to understand how C++ s...
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### File: examples/0007.legacy/text.cc #include<fast_io.h> using namespace fast_io::io; int main() { /* Usually, at OS native API level, things like file stream are not implemented. Microsoft DOS implements LF->CRLF at FILE* level. Windows implement LF->CRLF at file descriptor level, but not on Win32 or NT level. It...
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### File: examples/0008.openssl/bio.cc #include<fast_io.h> #include<fast_io_driver/openssl_driver.h> using namespace fast_io::io; int main() { fast_io::bio_file bf("bio.txt",fast_io::open_mode::out); print(bf,"Hello World to bio from fast_io\n"); BIO_printf(bf.bio,"hello %s\n","world from openssl bio"); }
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### File: examples/0008.openssl/construct_bio_from_syscall.cc #include<fast_io.h> #include<fast_io_driver/openssl_driver.h> using namespace fast_io::io; int main() { /* This is an example to explain how fast_io's files work with each other, and how you could use fast_io with existing FILE* or fstream apis */ #if (de...
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### File: examples/0009.filesystem/add_utf8_bom_to_all_cplusplus_files.cc #include<fast_io.h> #include<fast_io_device.h> #include<string_view> #include<array> #include<algorithm> #include<cstring> using namespace fast_io::io; int main(int argc,char** argv) { if(argc<2) { if(argc==0) { return 1; } perr("...
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### File: examples/0009.filesystem/binary_to_text.cc #include<fast_io_device.h> #include<fast_io.h> #include<string_view> using namespace fast_io::io; int main(int argc,char const** argv) try { if(argc<3) { if(argc==0) { return 1; } perr("Usage: ",fast_io::mnp::os_c_str(*argv)," <source directory> <dest...
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### File: examples/0009.filesystem/count_lines_in_cpp_files.cc #include<string_view> #include<fast_io.h> #include<fast_io_device.h> #include<algorithm> using namespace fast_io::io; int main(int argc,char** argv) { if(argc<2) { if(argc==0) { return 1; } perr("Usage: ",::fast_io::mnp::os_c_str(*argv)," <d...
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### File: examples/0009.filesystem/count_rust_files.cc #include<string_view> #include<fast_io.h> #include<fast_io_device.h> using namespace fast_io::io; int main(int argc,char** argv) { if(argc<2) { if(argc==0) { return 1; } perr("Usage: ",::fast_io::mnp::os_c_str(*argv)," <dir>\n"); return 1; } usi...
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### File: examples/0009.filesystem/gcc_symlink_install.cc #include<string> #include<fast_io.h> #include<fast_io_device.h> #include<string_view> #include<vector> #include<algorithm> #include<ranges> using namespace fast_io::io; int main(int argc,char const** argv) { if(argc<2) { if(argc==0) { return 1; } ...
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### File: examples/0009.filesystem/gccx86canadianfix.cc #include<fast_io.h> #include<fast_io_device.h> #include<string_view> #include<algorithm> #include<functional> using namespace fast_io::io; int main(int argc,char **argv) { if(argc<2) { if(argc==0) { return 1; } perr("Usage:",fast_io::mnp::os_c_str(...
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### File: examples/0009.filesystem/rename_all_files_uppercase_to_lowercase.cc #include<string> #include<fast_io.h> #include<fast_io_device.h> using namespace fast_io::io; int main(int argc,char** argv) { if(argc<2) { if(argc==0) { return 1; } perr("Usage: ",::fast_io::mnp::os_c_str(*argv)," <directory>\n...
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### File: examples/0009.filesystem/text_to_binary.cc #include<fast_io_device.h> #include<fast_io.h> #include<string_view> using namespace fast_io::io; int main(int argc,char const** argv) try { if(argc<3) { if(argc==0) { return 1; } perr("Usage: ",::fast_io::mnp::os_c_str(*argv)," <source directory> <de...
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### File: examples/0009.filesystem/update_wow_toc.cc #include<string_view> #include<fast_io.h> #include<fast_io_device.h> #include<algorithm> #include<functional> using namespace fast_io::io; int main(int argc, char **argv) { using namespace ::fast_io::mnp; if(argc<3) { if(argc==0) { return 1; } perr("U...
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### File: examples/0010.status/status.cc #include<fast_io.h> #include<fast_io_device.h> using namespace fast_io::io; int main() { fast_io::obuf_file obf("a.txt"); println(status(obf.handle)); }
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### File: examples/0011.qt/construct_qtextstream_from_syscall.cc #include<fast_io.h> #include<fast_io_driver/qt.h> #include<QtCore/QTextStream> using namespace fast_io::io; int main() { /* This is an example to explain how fast_io's files work with each other, and how you could use fast_io with existing FILE* or fst...
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### File: examples/0011.qt/qfile.cc #include<fast_io.h> #include<fast_io_driver/qt.h> using namespace fast_io::io; int main() { fast_io::qt_file file("a.txt",fast_io::open_mode::out); print(file,"Hello World",20," die\n"); }
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### File: examples/0011.qt/qstring.cc #include<fast_io.h> #include<fast_io_driver/qt.h> using namespace fast_io::io; int main() { QString qstr="Hello QString\n"; print(qstr); }
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### File: examples/0011.qt/qstring_concat.cc #include<fast_io.h> #include<fast_io_driver/qt.h> using namespace fast_io::io; int main() { QString qstr=fast_io::u16concat_qt_qstring(u"Hello QString\n",24.43624362634,u"124124"); print(qstr); }
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### File: examples/0011.qt/qstring_get.cc #include<fast_io.h> #include<fast_io_driver/qt.h> using namespace fast_io::io; int main() { QString qstr; scan(fast_io::mnp::strlike_get(qstr)); println(qstr); }
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### File: examples/0011.qt/qvariant.cc #include<fast_io.h> #include<fast_io_driver/qt.h> #include<QtCore/QVariant> using namespace fast_io::io; int main() { QVariant var=4.503; println("var:",var); }
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### File: examples/0012.transmit/transmit.cc #include<cstdio> #include<fast_io.h> int main() { transmit(fast_io::c_stdout(),fast_io::c_stdin()); }
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### File: examples/0013.graph/shortest_path/dijkstra.cc #include<fast_io.h> #include<fast_io_device.h> #include<queue> #include<vector> struct node { std::size_t to,weight; }; using namespace fast_io::io; int main() { fast_io::ibuf_file ibf("graph.txt"); std::size_t m,n; scan(ibf,m,n); std::vector<std::vector<...
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### File: examples/0013.graph/shortest_path/dijkstra_optimize.cc #include<fast_io.h> #include<fast_io_device.h> #include<queue> #include<vector> struct node { std::size_t to,weight; }; using namespace fast_io::io; int main() { fast_io::ibuf_file ibf("graph.txt"); std::size_t m,n; scan(ibf,m,n); std::vector<std...
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### File: examples/0013.graph/shortest_path/generate_graph.cc #include<fast_io.h> #include<fast_io_device.h> #include<random> using namespace fast_io::io; int main() { fast_io::u8obuf_file obf(u8"graph.txt"); constexpr std::size_t m{600000}; constexpr std::size_t n{50000}; println(obf,m,u8" ",n); fast_io::ibuf_...
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### File: examples/0013.graph/shortest_path/spfa.cc #include<fast_io.h> #include<fast_io_device.h> #include<queue> #include<vector> struct node { std::size_t to,weight; }; using namespace fast_io::io; int main() { fast_io::ibuf_file ibf("graph.txt"); std::size_t m,n; scan(ibf,m,n); std::vector<std::vector<node...
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### File: examples/0013.graph/shortest_path/spfa_optimize.cc #include<fast_io.h> #include<fast_io_device.h> #include<queue> #include<vector> struct node { std::size_t to,weight; }; using namespace fast_io::io; int main() { fast_io::ibuf_file ibf("graph.txt"); std::size_t m,n; scan(ibf,m,n); std::vector<std::ve...
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### File: examples/0013.graph/strongly_connected_component/gabow.cc /* Referenced from: https://blog.csdn.net/pi9nc/article/details/11978989 */ #include<fast_io.h> #include<fast_io_device.h> #include<vector> #include<stack> struct gabow_ctx { std::vector<std::vector<std::size_t>> graph; std::vector<std::size_t> order...
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### File: examples/0013.graph/strongly_connected_component/gabow_non_recursive.cc /* Referenced from: https://blog.csdn.net/pi9nc/article/details/11978989 */ #include<fast_io.h> #include<fast_io_device.h> #include<vector> #include<stack> /* Recursive one will overflow the stack. We need to write non_recursive version...
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### File: examples/0013.graph/strongly_connected_component/gabow_non_recursive_iterator.cc /* Referenced from: https://blog.csdn.net/pi9nc/article/details/11978989 */ #include<fast_io.h> #include<fast_io_device.h> #include<vector> #include<stack> /* Recursive one will overflow the stack. We need to write non_recursiv...
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### File: examples/0013.graph/strongly_connected_component/generate_graph.cc #include<fast_io.h> #include<fast_io_device.h> #include<random> using namespace fast_io::io; int main() { fast_io::u8obuf_file obf(u8"directed_graph.txt"); constexpr std::size_t m{600000}; constexpr std::size_t n{50000}; println(obf,m,u...
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### File: examples/0013.graph/strongly_connected_component/tarjan.cc /* Referenced from: https://www.cnblogs.com/Mr94Kevin/p/9651975.html */ #include<fast_io.h> #include<fast_io_device.h> #include<vector> #include<stack> struct tarjan_ctx { std::vector<std::vector<std::size_t>> graph; std::vector<std::size_t> dfn,low...
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### File: examples/0013.graph/strongly_connected_component/tarjan_non_recursive.cc /* Referenced from: https://www.cnblogs.com/Mr94Kevin/p/9651975.html */ #include<fast_io.h> #include<fast_io_device.h> #include<vector> #include<stack> struct tarjan_ctx { struct tarjan_dfs_stack_content { std::size_t from{}; std::si...
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### File: examples/0013.graph/strongly_connected_component/tarjan_non_recursive_iterator.cc /* Referenced from: https://www.cnblogs.com/Mr94Kevin/p/9651975.html */ #include<fast_io.h> #include<fast_io_device.h> #include<vector> #include<stack> struct tarjan_ctx { struct tarjan_dfs_stack_content { std::size_t from{};...
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### File: examples/0013.graph/topological_sorting/generate_graph.cc #include<fast_io.h> #include<fast_io_device.h> #include<random> using namespace fast_io::io; int main() { fast_io::u8obuf_file obf(u8"directed_graph.txt"); constexpr std::size_t m{1000000}; constexpr std::size_t n{500000}; println(obf,m,u8" ",n)...
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### File: examples/0013.graph/topological_sorting/topsort.cc #include<fast_io.h> #include<fast_io_device.h> #include<queue> using namespace fast_io::io; int main() { fast_io::u8ibuf_file ibf(u8"directed_graph.txt"); std::size_t m,n; scan(ibf,m,n); std::vector<std::vector<std::size_t>> graph(n); std::vector<std:...
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### File: examples/0014.random/generate_error_domain.cc #include<fast_io.h> #include<random> using namespace fast_io::io; int main() { fast_io::ibuf_white_hole_engine eng; std::uniform_int_distribution<std::uint16_t> u16distr(0,UINT16_MAX); std::uniform_int_distribution<std::uint32_t> u32distr(0,UINT32_MAX); st...
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### File: examples/0014.random/kana.cc #include<string> #include<fast_io.h> #include<random> #include<array> #include<string_view> using namespace fast_io::io; int main() { constexpr std::array hiragana{ u8"あ",u8"い",u8"う",u8"え",u8"お", u8"か",u8"き",u8"く",u8"け",u8"こ", u8"さ",u8"し",u8"す",u8"せ",u8"そ", u8"た",u8"ち",u8"...
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### File: examples/0014.random/name.cc #include<fast_io.h> #include<fast_io_device.h> #include<random> #include<fast_io_dsal/vector.h> using namespace fast_io::io; int main(int argc,char** argv) { std::size_t n{100}; if(1<argc) { n=fast_io::to<std::size_t>(fast_io::mnp::os_c_str(argv[1])); } fast_io::u8ibuf_f...
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### File: examples/0014.random/password.cc #include<fast_io.h> #include<fast_io_device.h> #include<random> using namespace fast_io::io; int main(int argc,char** argv) { std::size_t n{100}; if(1<argc) { n=fast_io::to<std::size_t>(fast_io::mnp::os_c_str(argv[1])); } fast_io::u8obuf_file obf(u"password.txt"); f...
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### File: examples/0014.random/pin.cc #include<fast_io.h> #include<fast_io_device.h> #include<random> using namespace fast_io::io; int main(int argc,char** argv) { std::size_t n{100}; if(1<argc) { n=fast_io::to<std::size_t>(fast_io::mnp::os_c_str(argv[1])); } fast_io::u8obuf_file obf(u"pin.txt"); fast_io::ib...
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### File: examples/0014.random/sexratio.cc #include<random> #include<fast_io.h> #include<fast_io_device.h> using namespace fast_io::io; int main(int argc,char** argv) { using namespace fast_io::mnp; if(argc<2) { if(argc==0) { return 1; } perr("Usage: ",os_c_str(*argv)," N\n"); return 1; } constexpr...
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### File: examples/0014.random/sexratio_with_artificial_womb.cc #include<random> #include<fast_io.h> #include<fast_io_device.h> using namespace fast_io::io; int main(int argc,char** argv) { using namespace fast_io::mnp; if(argc<2) { if(argc==0) { return 1; } perr("Usage: ",os_c_str(*argv)," N\n"); re...
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### File: examples/0014.random/stop_born_child_until_boy.cc //This is an emulation on how many times you can keep born a child to be a boy without abortion. #include<random> #include<fast_io.h> #include<map> using namespace fast_io::io; int main(int argc,char** argv) { using namespace fast_io::mnp; if(argc<2) { ...
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### File: examples/0015.match/ipv4.cc #include<fast_io.h> #include<fast_io_device.h> using namespace fast_io::io; int main() { char8_t a,b,c,d; scan(a,".",b,".",c,".",d); println(a,".",b,".",c,".",d); }
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