Compilare: main.cpp: In function 'void DFS(int, int)': main.cpp:44:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[nod].size(); i++){ ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:150:50: warning: 'rightMN' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << MN << ' ' << leftMN << ' ' << rightMN; ^ main.cpp:150:36: warning: 'leftMN' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << MN << ' ' << leftMN << ' ' << rightMN; ^~~ main.cpp:111:21: warning: 'radacina' may be used uninitialized in this function [-Wmaybe-uninitialized] DFS(radacina, 1); //construiesc e[] ^