Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:9:2: error: ‘ifstream’ was not declared in this scope ifstream f("alee.in"); ^ user.cpp:9:2: note: suggested alternative: In file included from /usr/local/include/c++/4.8.0/ios:38:0, from /usr/local/include/c++/4.8.0/ostream:38, from /usr/local/include/c++/4.8.0/iostream:39, from user.cpp:1: /usr/local/include/c++/4.8.0/iosfwd:157:34: note: ‘std::ifstream’ typedef basic_ifstream<char> ifstream; ^ user.cpp:9:11: error: expected ‘;’ before ‘f’ ifstream f("alee.in"); ^ user.cpp:10:2: error: ‘ofstream’ was not declared in this scope ofstream g("alee.out"); ^ user.cpp:10:2: note: suggested alternative: In file included from /usr/local/include/c++/4.8.0/ios:38:0, from /usr/local/include/c++/4.8.0/ostream:38, from /usr/local/include/c++/4.8.0/iostream:39, from user.cpp:1: /usr/local/include/c++/4.8.0/iosfwd:160:34: note: ‘std::ofstream’ typedef basic_ofstream<char> ofstream; ^ user.cpp:10:11: error: expected ‘;’ before ‘g’ ofstream g("alee.out"); ^ user.cpp:11:2: error: ‘f’ was not declared in this scope f>>n>>m; ^ user.cpp:23:7: error: ‘l’ was not declared in this scope {f>>l>>c;parc[l][c]=-1;} ^ user.cpp:23:10: error: ‘c’ was not declared in this scope {f>>l>>c;parc[l][c]=-1;} ^ user.cpp:25:11: error: ‘l’ was not declared in this scope i=0;parc[l][c]=0;coada[0].x=l;coada[0].y=c; ^ user.cpp:25:14: error: ‘c’ was not declared in this scope i=0;parc[l][c]=0;coada[0].x=l;coada[0].y=c; ^ user.cpp:48:2: error: ‘g’ was not declared in this scope g<<parc[l2][c2]+1; ^ user.cpp:48:10: error: ‘l2’ was not declared in this scope g<<parc[l2][c2]+1; ^