Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:40:5: error: ‘ling’ was not declared in this scope ling m,n,k,first,second,weight; ^ user.cpp:40:10: error: expected ‘;’ before ‘m’ ling m,n,k,first,second,weight; ^ user.cpp:44:10: error: ‘n’ was not declared in this scope fin>>n>>m>>k; ^ user.cpp:44:13: error: ‘m’ was not declared in this scope fin>>n>>m>>k; ^ user.cpp:44:16: error: ‘k’ was not declared in this scope fin>>n>>m>>k; ^ user.cpp:53:14: error: ‘first’ was not declared in this scope fin>>first>>second>>weight; ^ user.cpp:53:21: error: ‘second’ was not declared in this scope fin>>first>>second>>weight; ^ user.cpp:53:29: error: ‘weight’ was not declared in this scope fin>>first>>second>>weight; ^