Compilare: user.cpp: In function ‘int main()’: user.cpp:24:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] ++m[p[i]][c[i]]; ^ user.cpp:24:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] ++m[p[i]][c[i]]; ^ user.cpp:25:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] ++cnt[c[i]]; ^ user.cpp:26:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] s[p[i]].insert(i); ^ user.cpp:31:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(is=s[fi].begin(); is!=s[fi].end(); ++is) { ^ user.cpp:31:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(is=s[fi].begin(); is!=s[fi].end(); ++is) { ^ user.cpp:33:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(m[c[*is]][fi] || !cnt[p[*is]]) { ^ user.cpp:33:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(m[c[*is]][fi] || !cnt[p[*is]]) { ^ user.cpp:33:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(m[c[*is]][fi] || !cnt[p[*is]]) { ^ user.cpp:34:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] --m[fi][c[*is]]; ^ user.cpp:34:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] --m[fi][c[*is]]; ^ user.cpp:39:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] s[fi].erase(*is); ^ user.cpp:41:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] --cnt[c[it]]; ^