Compilare: main.cpp: In function 'int main()': main.cpp:35:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(!viz[i]) ^~ main.cpp:37:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' for(int i = sol.size() - 1;i >= 0;i--) ^~~