Compilare: main.cpp: In function 'int main()': main.cpp:88:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int index2 = 0; index2 < con[savp].chd.size(); index2++) { ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:91:33: 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:93:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (index3 != con[con[savp].chd[index2]].chd.size() - 1) { ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:126:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int index2 = 0; index2 < con[savp].chd.size(); index2++) { ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:127:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int index3 = 0; index3 < con[con[savp].chd[index2]].terr.size(); index3++) { ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~