Compilare: main.cpp: In function 'int main()': main.cpp:17:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] fin>>ch>>s+1; ~^~ main.cpp:20:19: warning: array subscript has type 'char' [-Wchar-subscripts] L[s[1]].push_back(ch); ^ main.cpp:21:20: warning: array subscript has type 'char' [-Wchar-subscripts] else a[s[1]][s[2]].push_back(ch); ^ main.cpp:21:26: warning: array subscript has type 'char' [-Wchar-subscripts] else a[s[1]][s[2]].push_back(ch); ^ main.cpp:31:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] fin>>s+1; ~^~ main.cpp:40:36: warning: array subscript has type 'char' [-Wchar-subscripts] for (int it=0;it<L[s[i]].size();it++) ^ main.cpp:40:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int it=0;it<L[s[i]].size();it++) ~~^~~~~~~~~~~~~~~ main.cpp:41:32: warning: array subscript has type 'char' [-Wchar-subscripts] dp[i][i][L[s[i]][it]-65] = 1; ^ main.cpp:51:48: warning: array subscript has type 'char' [-Wchar-subscripts] for (int it=0;it<L[s[j]].size();it++){ ^ main.cpp:51:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int it=0;it<L[s[j]].size();it++){ ~~^~~~~~~~~~~~~~~ main.cpp:52:46: warning: array subscript has type 'char' [-Wchar-subscripts] int lit2 = L[s[j]][it]; ^ main.cpp:54:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int it2=0;it2<a[lit][lit2].size();it2++) ~~~^~~~~~~~~~~~~~~~~~~~ main.cpp:60:48: warning: array subscript has type 'char' [-Wchar-subscripts] for (int it=0;it<L[s[i]].size();it++){ ^ main.cpp:60:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int it=0;it<L[s[i]].size();it++){ ~~^~~~~~~~~~~~~~~ main.cpp:61:46: warning: array subscript has type 'char' [-Wchar-subscripts] int lit2 = L[s[i]][it]; ^ main.cpp:63:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int it2=0;it2<a[lit2][lit].size();it2++) ~~~^~~~~~~~~~~~~~~~~~~~ main.cpp:68:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]