Borderou de evaluare (job #615369)

Compilare: main.cpp: In function 'void dfs(int)': main.cpp:17:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 17 | for(i=0;i<v[node].size();++i) | ~^~~~~~~~~~~~~~~ main.cpp: In function 'void dfs2(int, int)': main.cpp:27:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 27 | for(i=0;i<v[node].size();++i) | ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:62:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 62 | for(i=0;i<v[f.front()].size();++i){ | ~^~~~~~~~~~~~~~~~~~~~ main.cpp:49:16: warning: unused variable 'len' [-Wunused-variable] 49 | int ans1=0,len=1e9; | ^~~