Compilare: main.cpp: In function 'void aflaMinModul()': main.cpp:11:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i < v[a].size() && j < v[b].size()) { ~~^~~~~~~~~~~~~ main.cpp:11:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i < v[a].size() && j < v[b].size()) { ~~^~~~~~~~~~~~~ main.cpp: In function 'int solve(int)': main.cpp:27:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < v[i].size(); ++j) ~~^~~~~~~~~~~~~