Eroare de compilare: user.cpp:12:46: error: ‘unsigned int j1’ redeclared as different kind of symbol unsigned n,m,i,j,a[MX][MX],b[2][MX]={},m1,m2,j1,t=1; ^ In file included from /usr/include/features.h:346:0, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/os_defines.h:39, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/c++config.h:420, from /usr/local/include/c++/4.8.0/iosfwd:38, from /usr/local/include/c++/4.8.0/ios:38, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: /usr/include/bits/mathcalls.h:239:1: error: previous declaration of ‘double j1(double)’ __MATHCALL (j1,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:33:19: error: assignment of function ‘double j1(double)’ j1=j; ^ user.cpp:33:19: error: cannot convert ‘unsigned int’ to ‘double(double)throw ()’ in assignment user.cpp:42:20: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if(j1==j) ^