Compilare: main.cpp: In function 'chestie dfs(int)': main.cpp:39:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<pe>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for (int i=0; i<g[a].size(); i++) | ~^~~~~~~~~~~~ main.cpp:44:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for (int j=0; j<c1.v.size(); j++) | ~^~~~~~~~~~~~ main.cpp:49:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for (int j=0; j<c2.v.size(); j++) | ~^~~~~~~~~~~~ main.cpp:51:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for (int j=0; j<c2.v.size(); j++) | ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:92:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<pe>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 92 | for (int i=0; i<g[p.vf].size(); i++) | ~^~~~~~~~~~~~~~~