Compilare: main.cpp: In function 'int main()': main.cpp:80:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | for(int contor=pos[curr]; contor<v[curr].size(); contor++) | ~~~~~~^~~~~~~~~~~~~~~ main.cpp:99:18: warning: comparison of integer expressions of different signedness: 'std::vector<rasp>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 99 | if(ans.size()!=m) | ~~~~~~~~~~^~~