Compilare: main.cpp: In function 'bool can_walk(int)': main.cpp:43:30: warning: narrowing conversion of 'cx' from 'int' to 'short unsigned int' inside { } [-Wnarrowing] que.push({cx, cy}); ^ main.cpp:43:30: warning: narrowing conversion of 'cy' from 'int' to 'short unsigned int' inside { } [-Wnarrowing] main.cpp: In function 'int main()': main.cpp:61:36: warning: narrowing conversion of 'j' from 'int' to 'short unsigned int' inside { } [-Wnarrowing] que.push({j, i}); ^ main.cpp:61:36: warning: narrowing conversion of 'i' from 'int' to 'short unsigned int' inside { } [-Wnarrowing] main.cpp:64:35: warning: narrowing conversion of 'i' from 'int' to 'short unsigned int' inside { } [-Wnarrowing] barbar = {i, j}; ^ main.cpp:64:35: warning: narrowing conversion of 'j' from 'int' to 'short unsigned int' inside { } [-Wnarrowing] main.cpp:67:35: warning: narrowing conversion of 'i' from 'int' to 'short unsigned int' inside { } [-Wnarrowing] iesire = {i, j}; ^ main.cpp:67:35: warning: narrowing conversion of 'j' from 'int' to 'short unsigned int' inside { } [-Wnarrowing] main.cpp:102:30: warning: narrowing conversion of 'cx' from 'int' to 'short unsigned int' inside { } [-Wnarrowing] que.push({cx, cy}); ^ main.cpp:102:30: warning: narrowing conversion of 'cy' from 'int' to 'short unsigned int' inside { } [-Wnarrowing] main.cpp:131:15: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized] out << ans; ^