Compilare: user.cpp: In function ‘int main()’: user.cpp:66:30: warning: ‘x1’ may be used uninitialized in this function [-Wmaybe-uninitialized] cost[x1][y1] = dp[x1][y1]; ^ user.cpp:66:30: warning: ‘y1’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:91:20: warning: ‘y2’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (cost[x2][y2] == 0) ^ user.cpp:91:20: warning: ‘x2’ may be used uninitialized in this function [-Wmaybe-uninitialized]