Compilare: main.cpp: In function 'void GenTest::Test(int, int)': main.cpp:81:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v.size(); i++) { ~~^~~~~~~~~~ main.cpp:82:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i + 1; j < v.size(); j++) { ~~^~~~~~~~~~ main.cpp:83:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k = j + 1; k < v.size(); k++) { ~~^~~~~~~~~~