Compilare: main.cpp: In function 'void rocket(int, int)': main.cpp:26:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int it=0;it<g[nod].size();it++) ~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:75:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("orient.in","w",stdin); ^ main.cpp:76:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("orient.out","w",stdout); ^