Compilare: main.cpp: In function 'int calcdp()': main.cpp:16:28: warning: 'memset' used with constant zero length parameter; this could be due to transposed parameters [-Wmemset-transposed-args] memset(cost,sizeof (cost),0); ^ main.cpp: In function 'void dfs(int)': main.cpp:34:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<fii[node].size();i++) ~^~~~~~~~~~~~~~~~~ main.cpp:40:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<fii[node].size();i++) ~^~~~~~~~~~~~~~~~~ main.cpp:47:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<fii[node].size();i++) ~^~~~~~~~~~~~~~~~~