好多错

C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp:11: error: expected `)' before "x" 
C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp:11: error: expected `)' before "y" 
C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp:11: error: initializer expression list treated as compound expression 
C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp:11: error: expected `,' or `;' before '{' token 
C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp: In function `int main()': 
C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp:18: error: `get' was not declared in this scope 
C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp:19: error: 'struct std::istream' has no member named 'b' 
C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp:23: error: `J' was not declared in this scope 
C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp:28:2: warning: no newline at end of file 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h: In function `void std::partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]': 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2506:   instantiated from `void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = b*, _Size = int, _Compare = bool]' 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2589:   instantiated from `void std::sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]' 
C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp:22:   instantiated from here 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2317: error: `__comp' cannot be used as a function 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h: In function `const _Tp& std::__median(const _Tp&, const _Tp&, const _Tp&, _Compare) [with _Tp = b, _Compare = bool]': 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2519:   instantiated from `void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = b*, _Size = int, _Compare = bool]' 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2589:   instantiated from `void std::sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]' 
C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp:22:   instantiated from here 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:124: error: `__comp' cannot be used as a function 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:125: error: `__comp' cannot be used as a function 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:127: error: `__comp' cannot be used as a function 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:131: error: `__comp' cannot be used as a function 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:133: error: `__comp' cannot be used as a function 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h: In function `_RandomAccessIterator std::__unguarded_partition(_RandomAccessIterator, _RandomAccessIterator, _Tp, _Compare) [with _RandomAccessIterator = b*, _Tp = b, _Compare = bool]': 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2519:   instantiated from `void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = b*, _Size = int, _Compare = bool]' 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2589:   instantiated from `void std::sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]' 
C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp:22:   instantiated from here 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2039: error: `__comp' cannot be used as a function 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2042: error: `__comp' cannot be used as a function 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h: In function `void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]': 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2218:   instantiated from `void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]' 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2591:   instantiated from `void std::sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]' 
C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp:22:   instantiated from here 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2143: error: `__comp' cannot be used as a function 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h: In function `void std::__unguarded_linear_insert(_RandomAccessIterator, _Tp, _Compare) [with _RandomAccessIterator = b*, _Tp = b, _Compare = bool]': 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2149:   instantiated from `void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]' 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2218:   instantiated from `void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]' 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2591:   instantiated from `void std::sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]' 
C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp:22:   instantiated from here 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2091: error: `__comp' cannot be used as a function 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_heap.h: In function `void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = b*, _Distance = int, _Tp = b, _Compare = bool]': 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_heap.h:404:   instantiated from `void std::make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]' 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2315:   instantiated from `void std::partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]' 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2506:   instantiated from `void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = b*, _Size = int, _Compare = bool]' 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2589:   instantiated from `void std::sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]' 
C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp:22:   instantiated from here 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_heap.h:279: error: `__comp' cannot be used as a function 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_heap.h: In function `void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = b*, _Distance = int, _Tp = b, _Compare = bool]': 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_heap.h:291:   instantiated from `void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = b*, _Distance = int, _Tp = b, _Compare = bool]' 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_heap.h:404:   instantiated from `void std::make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]' 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2315:   instantiated from `void std::partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]' 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2506:   instantiated from `void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = b*, _Size = int, _Compare = bool]' 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_algo.h:2589:   instantiated from `void std::sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = b*, _Compare = bool]' 
C:\Users\ADMINI~1\AppData\Local\Temp\lema\cpp\75533\main.cpp:22:   instantiated from here 
C:/Program Files (x86)/pythonlema//MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_heap.h:166: error: `__comp' cannot be used as a function