Compilare: main.cpp: In function 'int main()': main.cpp:34:1: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=1;i<=ns;i++) ^~~ main.cpp:38:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' return 0; ^~~~~~ main.cpp: In function 'bool cup(int)': main.cpp:56:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[node].size();i++) ~^~~~~~~~~~~~~~~ main.cpp:67:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[node].size();i++) ~^~~~~~~~~~~~~~~