Compilare: main.cpp: In function 'void dfs(int, int (&)[305], std::vector<int>&, std::vector<int>&)': main.cpp:20:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<aux.size(); i++) ~^~~~~~~~~~~ main.cpp: In function 'Reconstituire solve(std::vector<int>)': main.cpp:43:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<noduri.size(); i++) ~^~~~~~~~~~~~~~ main.cpp:44:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=i+1; j<noduri.size(); j++){ ~^~~~~~~~~~~~~~ main.cpp:53:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<noduri.size(); i++) ~^~~~~~~~~~~~~~ main.cpp:61:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<auxx.clic.size(); j++) ~^~~~~~~~~~~~~~~~~ main.cpp:65:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<auxx.inde.size(); j++) ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:94:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<sol.clic.size(); i++) ~^~~~~~~~~~~~~~~~ main.cpp:72:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] { freopen("soc.in", "r", stdin); ^ main.cpp:73:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("soc.out", "w", stdout); ^ main.cpp:75:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ main.cpp:77:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^ main.cpp:79:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x, &y); ^