Compilare: user.cpp: In function ‘bool verif(int, int)’: user.cpp:23:14: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] int j,k1,ok,x,m; ^ user.cpp:23:17: warning: unused variable ‘x’ [-Wunused-variable] int j,k1,ok,x,m; ^ user.cpp:23:19: warning: unused variable ‘m’ [-Wunused-variable] int j,k1,ok,x,m; ^ user.cpp: In function ‘int main()’: user.cpp:45:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(f[k].m>g.length()) ^ user.cpp:47:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(f[k].m==g.length()) ^