Compilare: main.cpp: In function 'void solveInput()': main.cpp:124:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0, vertex; i<finishList.size(); ++i) { ~^~~~~~~~~~~~~~~~~~ main.cpp:132:68: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (DP1[SCCD.comp[i]] + DP2[SCCD.comp[i]] - SCCD[i].size() == N) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~ main.cpp: In instantiation of 'GraphSCCDecomposition<MAXN>::GraphSCCDecomposition(int, std::vector<int>*) [with int MAXN = 150005]': main.cpp:113:45: required from here main.cpp:51:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<SCC.size(); ++i) { ~^~~~~~~~~~~