Compilare: main.cpp: In function 'int main()': main.cpp:75:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=1;i<=n;i++) p[i]=0; p[1]=1; ^~~ main.cpp:75:39: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(int i=1;i<=n;i++) p[i]=0; p[1]=1; ^ main.cpp:78:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<nd[i].size();j++) ~^~~~~~~~~~~~~