Compilare: user.cpp: In function ‘int main()’: user.cpp:63:30: warning: ‘x1’ may be used uninitialized in this function [-Wmaybe-uninitialized] cost[x1][y1] = dp[x1][y1]; ^ user.cpp:63:30: warning: ‘y1’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:83:24: warning: ‘y2’ may be used uninitialized in this function [-Wmaybe-uninitialized] out << (cost[x2][y2] ? cost[x2][y2] : -1); ^ user.cpp:83:24: warning: ‘x2’ may be used uninitialized in this function [-Wmaybe-uninitialized]