Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:25:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1 ; i<= b ; ++ i) ^ user.cpp:29:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1 ; i<= a -1 ; ++ i) ^ user.cpp:32:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1 ; i<= b ; ++ i) ^ user.cpp:35:32: error: expected primary-expression before ‘<<’ token fout << nr2 - << ' ' ; ^ user.cpp:37:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1 ; i<= b ; ++ i) ^ user.cpp:40:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1 ; i<= b ; ++ i) ^ user.cpp:17:9: warning: unused variable ‘cnt’ [-Wunused-variable] int cnt = 0 ; ^