Compilare: user.cpp: In function ‘void fill(int, int)’: user.cpp:33:38: warning: narrowing conversion of ‘y’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] std::queue <nod> q; q.push({y, x}); ^ user.cpp:33:38: warning: narrowing conversion of ‘x’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] user.cpp: In function ‘void citire()’: user.cpp:61:19: warning: unused variable ‘j’ [-Wunused-variable] for (int i=0, j, k, y0, x0, y, x; i<N; i++) { ^ user.cpp:61:22: warning: unused variable ‘k’ [-Wunused-variable] for (int i=0, j, k, y0, x0, y, x; i<N; i++) { ^