View Compilation Error

0_0_29723773_16462.cpp
0_0_29723773_16462.cpp(25) : error C2872: “next”: 不明确的符号
        可能是“0_0_29723773_16462.cpp(17) : int next[100001]”
        或       “VC2013\INCLUDE\xutility(771) : _FwdIt std::next(_FwdIt,iterator_traits<_Iter>::difference_type)”
0_0_29723773_16462.cpp(41) : error C2065: “ans”: 未声明的标识符
0_0_29723773_16462.cpp(42) : error C2065: “ans”: 未声明的标识符
0_0_29723773_16462.cpp(45) : error C2065: “ans”: 未声明的标识符
0_0_29723773_16462.cpp(46) : error C2065: “ans”: 未声明的标识符
0_0_29723773_16462.cpp(68) : error C2872: “next”: 不明确的符号
        可能是“0_0_29723773_16462.cpp(17) : int next[100001]”
        或       “VC2013\INCLUDE\xutility(771) : _FwdIt std::next(_FwdIt,iterator_traits<_Iter>::difference_type)”