Compilare: main.cpp: In function 'int main()': main.cpp:57:26: warning: comparison of integer expressions of different signedness: 'std::vector<long double>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 57 | if(st.size() >= k) sort(st.begin(), st.begin() + k); | ~~~~~~~~~~^~~~ main.cpp:58:26: warning: comparison of integer expressions of different signedness: 'std::vector<long double>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 58 | if(dr.size() >= k) sort(dr.begin(), dr.begin() + k); | ~~~~~~~~~~^~~~ main.cpp:60:26: warning: comparison of integer expressions of different signedness: 'std::vector<long double>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 60 | if(st.size() >= k) dmin = min(dmin, st[k - 1]); | ~~~~~~~~~~^~~~ main.cpp:61:26: warning: comparison of integer expressions of different signedness: 'std::vector<long double>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 61 | if(dr.size() >= k) dmin = min(dmin, dr[k - 1]); | ~~~~~~~~~~^~~~