Compilare: user.cpp: In function ‘void Lee()’: user.cpp:42:28: warning: narrowing conversion of ‘(((int)z) + -1)’ from ‘int’ to ‘var {aka short int}’ inside { } [-Wnarrowing] Q.push_back({z - 1, x, y}); ^ user.cpp:46:28: warning: narrowing conversion of ‘(((int)z) + 1)’ from ‘int’ to ‘var {aka short int}’ inside { } [-Wnarrowing] Q.push_back({z + 1, x, y}); ^