Compilare: user.cpp: In function ‘int main()’: user.cpp:62:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<V.size();++i) ^ user.cpp:68:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<V.size();++i) ^ user.cpp:74:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<V.size();++i) ^ user.cpp:80:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<V.size();++i) ^ user.cpp:87:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<CA.size() && i<LA.size();++i) ^ user.cpp:87:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<CA.size() && i<LA.size();++i) ^ user.cpp:90:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i<LA.size();++i) ^ user.cpp:93:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i<CA.size();++i) ^ user.cpp:97:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i<CA.size();++i) ^ user.cpp:99:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i<LA.size();++i) ^ user.cpp:103:66: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ((CB.size()+LB.size())%2==0 && sol>max(CB.size(),LB.size())) ^ user.cpp:107:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<CB.size() && i<LB.size();++i) ^ user.cpp:107:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<CB.size() && i<LB.size();++i) ^ user.cpp:110:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i<LB.size();++i) ^ user.cpp:113:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i<CB.size();++i) ^ user.cpp:117:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i<CB.size();++i) ^ user.cpp:119:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]