View Compilation Error

In file included from GCC4.9.2/x86_64-w64-mingw32/include/crtdefs.h:10:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/string.h:9,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/cstring:42,
                 from 0_0_23219375_9153.cpp:1:
0_0_23219375_9153.cpp: In function 'int main()':
0_0_23219375_9153.cpp:62:1: error: expected primary-expression before 'long'
 __int64( c[i] )*( n-c[i])*(1<<i);//c【i】代表当前1的个数，n-c[i]代表当前0的个数
 ^