Compilare: user.cpp: In function ‘secventa solve(int, std::vector<int>, std::vector<int>)’: user.cpp:15:62: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int start = 0; start+len-1 < min(dr.size(), st.size()); ++start) { ^ user.cpp:17:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = start, j = 0; i < st.size() && j < dr.size(); ++i, ++j) ^ user.cpp:17:63: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = start, j = 0; i < st.size() && j < dr.size(); ++i, ++j) ^ user.cpp:20:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < sir_sume.size(); ++i) { ^ user.cpp:29:62: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int start = 0; start+len-1 < min(dr.size(), st.size()); ++start) { ^ user.cpp:31:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = start, j = 0; i < st.size() && j < dr.size(); ++i, ++j) ^ user.cpp:31:63: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = start, j = 0; i < st.size() && j < dr.size(); ++i, ++j) ^ user.cpp:34:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < sir_sume.size(); ++i) { ^