Compilare: main.cpp: In function 'void dfs1(int)': main.cpp:17:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for (i = 0; i<v[x].size(); i++) | ~^~~~~~~~~~~~ main.cpp: In function 'void dfs2(int)': main.cpp:34:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for (i = 0; i<t[x].size(); i++) | ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:68:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | for (j = 0; j<v[i].size(); j++) | ~^~~~~~~~~~~~ main.cpp:85:40: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 85 | if (dpp[i] + dpf[i] + comp[i].size() == n) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~ main.cpp:87:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for (j = 0; j<comp[i].size(); j++) | ~^~~~~~~~~~~~~~~