Compilare: main.cpp: In function 'void Sort(std::vector<int>&, std::vector<int>&)': main.cpp:10:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 10 | for (int i = 0; i < sub.size(); i++) A[sub[i]] = vals[i]; | ~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:42:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for (int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:43:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | fo << s[i]+1 << " \n"[i+1==s.size()]; | ~~~^~~~~~~~~~