Compilare: main.cpp: In function 'int update(int, int)': main.cpp:27:1: warning: no return statement in function returning non-void [-Wreturn-type] 27 | } | ^ main.cpp: In function 'void solve()': main.cpp:41:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(i=1;i<=all.size();i++) | ~^~~~~~~~~~~~ main.cpp:54:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | if(poz == all.size() and who[all.size()] != -1) | ~~~~^~~~~~~~~~~~~