运行 ID: 67667

Main.cc: In function ‘int quickSelect(std::vector&, int)’:
Main.cc:10:5: error: ‘function’ was not declared in this scope
     function select = [&](int l, int r) {
     ^~~~~~~~
Main.cc:10:5: note: suggested alternative: ‘union’
     function select = [&](int l, int r) {
     ^~~~~~~~
     union
Main.cc:10:26: error: expression list treated as compound expression in functional cast [-fpermissive]
     function select = [&](int l, int r) {
                          ^
Main.cc:10:14: error: expected primary-expression before ‘int’
     function select = [&](int l, int r) {
              ^~~
Main.cc:26:34: error: invalid conversion from ‘std::vector::size_type {aka long unsigned int}’ to ‘fd_set*’ [-fpermissive]
     return select(0, nums.size() - 1);
                      ~~~~~~~~~~~~^~~
Main.cc:26:37: error: too few arguments to function ‘int select(int, fd_set*, fd_set*, fd_set*, timeval*)’
     return select(0, nums.size() - 1);
                                     ^
In file included from /usr/include/x86_64-linux-gnu/sys/types.h:197:0,
                 from /usr/include/stdlib.h:394,
                 from /usr/include/c++/7/cstdlib:75,
                 from /usr/include/c++/7/ext/string_conversions.h:41,
                 from /usr/include/c++/7/bits/basic_string.h:6361,
                 from /usr/include/c++/7/string:52,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from Main.cc:1:
/usr/include/x86_64-linux-gnu/sys/select.h:101:12: note: declared here
 extern int select (int __nfds, fd_set *__restrict __readfds,
            ^~~~~~