Compilare: main.cpp: In function 'int main()': main.cpp:88:17: warning: variable 'cel_mai_bun_swap' set but not used [-Wunused-but-set-variable] int cel_mai_bun_swap; ^~~~~~~~~~~~~~~~ main.cpp:89:17: warning: unused variable 'val' [-Wunused-variable] int val; ^~~ main.cpp:106:14: warning: 'R' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << R; ^