Compilare: main.cpp: In function 'int main()': main.cpp:70:21: warning: 'jy' may be used uninitialized in this function [-Wmaybe-uninitialized] q.push(make_pair(jx, jy)); ~~~~~~~~~^~~~~~~~ main.cpp:53:21: warning: 'ry' may be used uninitialized in this function [-Wmaybe-uninitialized] q.push(make_pair(rx, ry)); ~~~~~~~~~^~~~~~~~ main.cpp:70:21: warning: 'jx' may be used uninitialized in this function [-Wmaybe-uninitialized] q.push(make_pair(jx, jy)); ~~~~~~~~~^~~~~~~~ main.cpp:53:21: warning: 'rx' may be used uninitialized in this function [-Wmaybe-uninitialized] q.push(make_pair(rx, ry)); ~~~~~~~~~^~~~~~~~