Eroare de compilare: user.cpp:4:39: error: ‘int pow’ redeclared as different kind of symbol int i,j,n,m,pas,ok,nr,s,a[17][17],z,k,pow,pow2,v[17]; ^ 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/cstdio:41, 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:44:9: error: overloaded function with no contextual type information pow=1<<n; ^ user.cpp:45:17: error: invalid operands of types ‘int’ and ‘<unresolved overloaded function type>’ to binary ‘operator<=’ for(k=1;k<=pow;k++) ^ user.cpp: In function ‘void citeste(int&)’: user.cpp:18:45: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,DIM,stdin),poz=0; ^ user.cpp:24:45: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,DIM,stdin),poz=0; ^ user.cpp: In function ‘int main()’: user.cpp:31:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("flip.in","r",stdin); ^ user.cpp:32:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("flip.out","w",stdout); ^