Compilare: main.cpp: In function 'int main()': main.cpp:64:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (int i=0; i<(int)sol.size(); ++i) ^~~ main.cpp:65:29: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' g<<sol[i]<<' '; g<<'\n'; ^