Eroare de compilare: user.cpp:10:22: error: ‘long long int pow’ redeclared as different kind of symbol long long int sol,ad,pow,t; ^ In file included from /usr/include/features.h:357:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/os_defines.h:39, from /usr/include/i386-linux-gnu/c++/4.8/bits/c++config.h:420, from /usr/include/c++/4.8/iostream:38, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:155:1: error: previous declaration of ‘double pow(double, double)’ __MATHCALL (pow,, (_Mdouble_ __x, _Mdouble_ __y)); ^ user.cpp: In function ‘int main()’: user.cpp:23:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long int j=0;j<temp.length();j++)if(temp[j]=='1') ^ user.cpp:26:16: error: overloaded function with no contextual type information pow=abs(j-temp.length()+1); ^ user.cpp:27:25: error: invalid operands of types ‘int’ and ‘<unresolved overloaded function type>’ to binary ‘operator<<’ sol=sol+(1<<pow); ^ user.cpp:14:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("kbiti.in","r",stdin); ^ user.cpp:15:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("kbiti.out","w",stdout); ^