Eroare de compilare: main.cpp:7:13: error: variable 'std::ifstream cin' has initializer but incomplete type 7 | ifstream cin("multiplu.in"); | ^ main.cpp:8:14: error: variable 'std::ofstream cout' has initializer but incomplete type 8 | ofstream cout("multiplu.out"); | ^ main.cpp: In function 'int main()': main.cpp:18:5: error: reference to 'cin' is ambiguous 18 | cin>>a>>b; | ^~~ In file included from main.cpp:1: /usr/include/c++/10/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:7:10: note: '<typeprefixerror>cin' 7 | ifstream cin("multiplu.in"); | ^~~ main.cpp:49:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for(i=0;i<vec.size();i++) | ~^~~~~~~~~~~ main.cpp:51:9: error: reference to 'cout' is ambiguous 51 | cout<<vec[i]; | ^~~~ In file included from main.cpp:1: /usr/include/c++/10/iostream:61:18: note: candidates are: 'std::ostream std::cout' 61 | extern ostream cout; /// Linked to standard output | ^~~~ main.cpp:8:10: note: '<typeprefixerror>cout' 8 | ofstream cout("multiplu.out"); | ^~~~ main.cpp:17:9: warning: unused variable 'n' [-Wunused-variable] 17 | int n,i,j,k,l,x,nr,suma=0,a,b,prod,curr; | ^ main.cpp:17:13: warning: unused variable 'j' [-Wunused-variable] 17 | int n,i,j,k,l,x,nr,suma=0,a,b,prod,curr; | ^ main.cpp:17:15: warning: unused variable 'k' [-Wunused-variable] 17 | int n,i,j,k,l,x,nr,suma=0,a,b,prod,curr; | ^ main.cpp:17:17: warning: unused variable 'l' [-Wunused-variable] 17 | int n,i,j,k,l,x,nr,suma=0,a,b,prod,curr; | ^ main.cpp:17:19: warning: unused variable 'x' [-Wunused-variable] 17 | int n,i,j,k,l,x,nr,suma=0,a,b,prod,curr; | ^ main.cpp:17:21: warning: unused variable 'nr' [-Wunused-variable] 17 | int n,i,j,k,l,x,nr,suma=0,a,b,prod,curr; | ^~ main.cpp:17:24: warning: unused variable 'suma' [-Wunused-variable] 17 | int n,i,j,k,l,x,nr,suma=0,a,b,prod,curr; Non zero exit status: 1