Compilare: main.cpp: In function 'void tarjan(int)': main.cpp:34:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[node].size(); i++) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:94:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < ctc.size(); i++) ~~^~~~~~~~~~~~ main.cpp:95:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < ctc[i].size(); j++) ~~^~~~~~~~~~~~~~~ main.cpp:99:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < v[i].size(); j++) ~~^~~~~~~~~~~~~ main.cpp:103:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= ctc.size(); i++) ~~^~~~~~~~~~~~~ main.cpp:104:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 1; j <= ctc.size(); j++) ~~^~~~~~~~~~~~~ main.cpp:117:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= ctc.size(); i ++) ~~^~~~~~~~~~~~~