Eroare de compilare: user.cpp:6:19: error: ‘int j1’ redeclared as different kind of symbol int i,j,n,m,i1,i2,j1,j2; ^ 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:28:16: error: assignment of function ‘double j1(double)’ for (j1=1; j1<n; ++j1) ^ user.cpp:28:16: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:28:23: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] for (j1=1; j1<n; ++j1) ^ user.cpp:28:28: error: ISO C++ forbids incrementing a pointer of type ‘double (*)(double)throw ()’ [-fpermissive] for (j1=1; j1<n; ++j1) ^ user.cpp:28:28: error: lvalue required as increment operand user.cpp:29:36: error: invalid types ‘int [600][double(double)throw ()]’ for array subscript if (verificare(a[i1][j1])==1) ^ user.cpp:31:44: error: invalid types ‘int [600][double(double)throw ()]’ for array subscript if (verificare(a[i2][j1]-a[i1][j1])==1) ^ user.cpp:31:54: error: invalid types ‘int [600][double(double)throw ()]’ for array subscript if (verificare(a[i2][j1]-a[i1][j1])==1) ^ user.cpp:32:36: warning: pointer to a function used in arithmetic [-Wpointer-arith] for (j2=j1+1; j2<=n; ++j2) ^ user.cpp:32:35: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] for (j2=j1+1; j2<=n; ++j2) ^ user.cpp:34:44: error: invalid types ‘int [600][double(double)throw ()]’ for array subscript Sum[1]=a[i1][j1]; ^ user.cpp:37:44: error: invalid types ‘int [600][double(double)throw ()]’ for array subscript Sum[4]=a[i2][j1]-Sum[1]; ^ user.cpp:40:43: error: invalid types ‘int [600][double(double)throw ()]’ for array subscript Sum[7]=a[n][j1]-Sum[4]-Sum[1]; ^