Compilare: main.cpp: In function 'int main()': main.cpp:105:9: warning: unused variable 'aux' [-Wunused-variable] 105 | cel aux; | ^~~ main.cpp: In function 'int ins1(cel)': main.cpp:56:13: warning: 'y1' may be used uninitialized in this function [-Wmaybe-uninitialized] 56 | fy1[y1] = 1; | ~~~~~~~~^~~ main.cpp:55:13: warning: 'x1' may be used uninitialized in this function [-Wmaybe-uninitialized] 55 | fx1[x1] = 1; | ~~~~~~~~^~~ main.cpp: In function 'int ins(cel)': main.cpp:99:12: warning: 'y1' may be used uninitialized in this function [-Wmaybe-uninitialized] 99 | fy[y1] = 1; | ~~~~~~~^~~ main.cpp:98:12: warning: 'x1' may be used uninitialized in this function [-Wmaybe-uninitialized] 98 | fx[x1] = 1; | ~~~~~~~^~~