Compilare: main.cpp: In function 'void dfs(int)': main.cpp:16:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[i].size();j++) ~^~~~~~~~~~~~ main.cpp:19:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(v1[vecin]==0) ^~ main.cpp:21:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' f++; ^ main.cpp: In function 'void drum(int, int)': main.cpp:44:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[i].size();j++) ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:76:12: warning: array subscript has type 'char' [-Wchar-subscripts] v[x].push_back(y); ^ main.cpp:77:12: warning: array subscript has type 'char' [-Wchar-subscripts] g[y]++; ^