Compilare: main.cpp: In function 'coord sumcare(int, int, int&)': main.cpp:130:57: warning: iteration 129 invokes undefined behavior [-Waggressive-loop-optimizations] for(int i=1;i<=130;i++){frecv[i]=0; } ~~~~~~~~^~ main.cpp:130:38: note: within this loop for(int i=1;i<=130;i++){frecv[i]=0; } ~^~~~~ main.cpp: In function 'void rez()': main.cpp:202:27: warning: 'wf.coord::y' may be used uninitialized in this function [-Wmaybe-uninitialized] cou<<wf.x<<" "<<wf.y<<" "<<fin+1; ^~~ main.cpp:202:16: warning: 'wf.coord::x' may be used uninitialized in this function [-Wmaybe-uninitialized] cou<<wf.x<<" "<<wf.y<<" "<<fin+1; ^~~