Compilare: user.cpp: In function ‘void GetXCoords()’: user.cpp:87:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 1; i < xcoord.size(); i++) ^ user.cpp:94:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 1; i < xvcoord.size(); i++) ^ user.cpp: In function ‘void GetXInts()’: user.cpp:148:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (TMAX < xc.size()) ^ user.cpp:180:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < xvc.size(); i++) ^ user.cpp: In function ‘void PreprocessSegtree()’: user.cpp:190:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0; j < cov[i].size(); j++) ^ user.cpp: In function ‘void QuerySegtree2()’: user.cpp:277:74: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] fprintf(stderr, " cans1=%d: %d\n", cans1, (cans1 < col[node].size() ? col[node][cans1].first: -1)); ^