Compilare: main.cpp: In function 'int main()': main.cpp:135:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i < rasp.size(); i++) ~~^~~~~~~~~~~~~ main.cpp:131:35: warning: 'dist' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<x<<" "<<y<<" "<<dist; ^ main.cpp:131:26: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<x<<" "<<y<<" "<<dist; ^~~ main.cpp:131:18: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<x<<" "<<y<<" "<<dist; ^~~