Compilare: main.cpp: In function 'void calc_lps(int)': main.cpp:20:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<d[cv].size();){ ~^~~~~~~~~~~~~ main.cpp: In function 'void rez_ap()': main.cpp:36:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j==d[cv].size())ap[cva][i]=1,j=lps[j-1]; ~^~~~~~~~~~~~~~ main.cpp: In function 'void adauga(std::__cxx11::string)': main.cpp:47:21: warning: array subscript has type 'char' [-Wchar-subscripts] if(trie[j][cv[i]]==0)trie[j][cv[i]]=++nrl; ^ main.cpp:47:39: warning: array subscript has type 'char' [-Wchar-subscripts] if(trie[j][cv[i]]==0)trie[j][cv[i]]=++nrl; ^ main.cpp:48:20: warning: array subscript has type 'char' [-Wchar-subscripts] j=trie[j][cv[i]]; ^ main.cpp: In function 'int main()': main.cpp:61:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(d[i].size()>=rn)pl[++cpl]=i; ~~~~~~~~~~~^~~~ main.cpp:69:27: warning: array subscript has type 'char' [-Wchar-subscripts] if(trie[ti][s[i-j]]){ ^ main.cpp:70:29: warning: array subscript has type 'char' [-Wchar-subscripts] ti=trie[ti][s[i-j]]; ^ main.cpp:74:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(ap[j][i]&&d[pl[j]].size()<=i&&ans[i-d[pl[j]].size()]+d[pl[j]].size()>ans[i]) ~~~~~~~~~~~~~~~^~~ main.cpp:74:80: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(ap[j][i]&&d[pl[j]].size()<=i&&ans[i-d[pl[j]].size()]+d[pl[j]].size()>ans[i]) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~