Eroare de compilare: user.cpp:6:49: error: ‘int y1 [8001]’ redeclared as different kind of symbol int coord[100][5],x[210],y[210],x1[8001],y1[8001],i,j,n,m,nr,q[2][5000],k,sol,p,u,l1,l2,c1,c2,l,c,a[202][202]; ^ 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/iosfwd:38, from /usr/include/c++/4.8/ios:38, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:243:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:29:5: warning: pointer to a function used in arithmetic [-Wpointer-arith] y1[0]=0; ^ user.cpp:29:6: error: assignment of function ‘double y1(double)’ y1[0]=0; ^ user.cpp:29:6: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:44:16: warning: pointer to a function used in arithmetic [-Wpointer-arith] y1[y[i]]=y1[y[i-1]]+2; ^ user.cpp:44:27: warning: pointer to a function used in arithmetic [-Wpointer-arith] y1[y[i]]=y1[y[i-1]]+2; ^ user.cpp:44:29: warning: pointer to a function used in arithmetic [-Wpointer-arith] y1[y[i]]=y1[y[i-1]]+2; ^ user.cpp:44:17: error: assignment of read-only location ‘*(y1 + ((sizetype)y[i]))’ y1[y[i]]=y1[y[i-1]]+2; ^ user.cpp:44:17: error: cannot convert ‘double (*)(double)throw ()’ to ‘double(double)throw ()’ in assignment user.cpp:48:20: warning: pointer to a function used in arithmetic [-Wpointer-arith] y1[y[i]]=y1[y[i-1]]+4; ^ user.cpp:48:31: warning: pointer to a function used in arithmetic [-Wpointer-arith] y1[y[i]]=y1[y[i-1]]+4; ^ user.cpp:48:33: warning: pointer to a function used in arithmetic [-Wpointer-arith] y1[y[i]]=y1[y[i-1]]+4; ^ user.cpp:48:21: error: assignment of read-only location ‘*(y1 + ((sizetype)y[i]))’ y1[y[i]]=y1[y[i-1]]+4; ^ user.cpp:48:21: error: cannot convert ‘double (*)(double)throw ()’ to ‘double(double)throw ()’ in assignment user.cpp:54:22: warning: pointer to a function used in arithmetic [-Wpointer-arith] c1=y1[coord[i][2]];