Compilare: main.cpp: In function 'int main()': main.cpp:51:18: warning: 'y1' may be used uninitialized in this function [-Wmaybe-uninitialized] dist[x1][y1] = 1; ~~~~~~~~~~~~~^~~ main.cpp:51:18: warning: 'x1' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:56:28: warning: 'y2' may be used uninitialized in this function [-Wmaybe-uninitialized] if (!(i == x2 && j == y2)) ~~^~~~~ main.cpp:56:17: warning: 'x2' may be used uninitialized in this function [-Wmaybe-uninitialized] if (!(i == x2 && j == y2)) ~~^~~~~