Compilare: main.cpp: In function 'int main()': main.cpp:58:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for(int i=1;i<sol.size();i++){ | ~^~~~~~~~~~~ main.cpp:60:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | while(sol[i]!=n+1&&i<sol.size()){ | ~^~~~~~~~~~~