Compilare: user.cpp: In function ‘bool verif(int)’: user.cpp:12:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrch=lg+f[pos][aux[i]]; ^ user.cpp:13:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] pos=lit[nrch][aux[i]]; ^ user.cpp: In function ‘int main()’: user.cpp:30:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] f[i][s[i]]++; ^ user.cpp:31:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] lit[f[i][s[i]]][s[i]]=i; ^ user.cpp:31:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] lit[f[i][s[i]]][s[i]]=i; ^ user.cpp:22:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("balbaiala.in","r",stdin); ^ user.cpp:23:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("balbaiala.out","w",stdout); ^ user.cpp:24:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d\n",&n,&q); ^ user.cpp:25:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n",s+1); ^ user.cpp:35:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",aux+1); ^