Compilare: main.cpp: In function 'int main()': main.cpp:87:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int index2 = 0; index2 < con[savp].chd.size(); index2++) { ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:90:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int index3 = 0; index3 < con[con[savp].chd[index2]].chd.size(); index3++) { ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:92:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (index3 != con[con[savp].chd[index2]].chd.size() - 1) { ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:122:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int index3 = 0; index3 < con[paths[index2].high].terr.size(); index3++) { ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:129:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int index3 = 0; index3 < con[savp].chd.size(); index3++) { ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:130:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int index4 = 0; index4 < con[con[savp].chd[index3]].terr.size(); index4++) { ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~