Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:28:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < v[nod].size() ; i++){ ~~^~~~~~~~~~~~~~~ main.cpp:50:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < v[nod].size() ; ++i){ ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:122:17: warning: unused variable 'j' [-Wunused-variable] int t , i , j , x , y; ^ main.cpp:123:35: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread (buff , 1 , 25000 , fin); /// nici eu nu stiu dc parsez ^