Compilare: main.cpp: In function 'trieNode* baga(trieNode*, std::__cxx11::string, int, trieNode*)': main.cpp:23:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(ind==s.size()) return pnod; ~~~^~~~~~~~~~ main.cpp: In function 'trieNode* cauta(trieNode*, std::__cxx11::string, int, trieNode*)': main.cpp:32:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(s.size()==ind) return pnod; ~~~~~~~~^~~~~ main.cpp: In function 'void getmani(std::__cxx11::string)': main.cpp:48:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<s.size();++i){ ~^~~~~~~~~ main.cpp:65:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i-mani[i].val>=0&&i+mani[i].val<s.size()&&s[i-mani[i].val]==s[i+mani[i].val]) ~~~~~~~~~~~~~^~~~~~~~~ main.cpp: In function 'void getmanp(std::__cxx11::string)': main.cpp:78:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<s.size();++i){ ~^~~~~~~~~ main.cpp:95:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i-manp[i].val-1>=0&&i+manp[i].val<s.size()&&s[i-manp[i].val-1]==s[i+manp[i].val]) ~~~~~~~~~~~~~^~~~~~~~~ main.cpp: In function 'void solvi(std::__cxx11::string)': main.cpp:108:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<s.size();++i){ ~^~~~~~~~~ main.cpp:125:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i-mani2[i].val>=0&&i+mani2[i].val<s.size()&&s[i-mani2[i].val]==s[i+mani2[i].val]) ~~~~~~~~~~~~~~^~~~~~~~~ main.cpp: In function 'void solvp(std::__cxx11::string)': main.cpp:138:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<s.size();++i){ ~^~~~~~~~~ main.cpp:155:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i-manp2[i].val-1>=0&&i+manp2[i].val<s.size()&&s[i-manp2[i].val-1]==s[i+manp2[i].val]) ~~~~~~~~~~~~~~^~~~~~~~~