Compilare: user.cpp: In function ‘bool compare(z, z)’: user.cpp:17:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(c[a.s[i]][b.s[i]]) ^ user.cpp:17:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(c[a.s[i]][b.s[i]]) ^ user.cpp:20:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(c[b.s[i]][a.s[i]]) ^ user.cpp:20:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(c[b.s[i]][a.s[i]]) ^ user.cpp: In function ‘int main()’: user.cpp:35:20: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[13]’ [-Wformat=] scanf("%s\n",&s); ^ user.cpp:39:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[s[i]][s[j]]=1; ^ user.cpp:39:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[s[i]][s[j]]=1; ^ user.cpp:41:27: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘z*’ [-Wformat=] scanf("%s\n",&v[i]); ^ user.cpp:32:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.in","r",stdin); ^ user.cpp:33:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.out","w",stdout); ^ user.cpp:34:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d\n",&p,&n); ^ user.cpp:35:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n",&s); ^ user.cpp:41:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n",&v[i]); ^