Compilare: main.cpp: In function 'void sol(long long int, long long int, bool, long long int)': main.cpp:21:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(sf-inc+1==start.size()){ ~~~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'int32_t main()': main.cpp:44:15: warning: array subscript has type 'char' [-Wchar-subscripts] d[start[0]][0]++; ^ main.cpp:45:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<start.size();i++){ ~^~~~~~~~~~~~~ main.cpp:46:19: warning: array subscript has type 'char' [-Wchar-subscripts] d[start[i]][i]++; ^ main.cpp:70:29: warning: array subscript has type 'char' [-Wchar-subscripts] long long tot=d[litf][start.size()-1]*(alc/2)+d[_caps(litf)][start.size()-1]*(alc/2); ^ main.cpp:70:68: warning: array subscript has type 'char' [-Wchar-subscripts] long long tot=d[litf][start.size()-1]*(alc/2)+d[_caps(litf)][start.size()-1]*(alc/2); ^ main.cpp:72:31: warning: array subscript has type 'char' [-Wchar-subscripts] tot+=d[_caps(litf)][y]; ^ main.cpp:74:24: warning: array subscript has type 'char' [-Wchar-subscripts] tot+=d[litf][y]; ^ main.cpp:78:32: warning: array subscript has type 'char' [-Wchar-subscripts] tot+=d[litf][start.size()-1]; ^ main.cpp:80:39: warning: array subscript has type 'char' [-Wchar-subscripts] tot+=d[_caps(litf)][start.size()-1]; ^ main.cpp:83:39: warning: array subscript has type 'char' [-Wchar-subscripts] tot+=d[_caps(litf)][start.size()-1]; ^ main.cpp:85:32: warning: array subscript has type 'char' [-Wchar-subscripts] tot+=d[litf][start.size()-1]; ^ main.cpp:75:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(alc%2==1) ^