Compilare: main.cpp: In function 'int main()': main.cpp:15:23: warning: unused variable 'a' [-Wunused-variable] 15 | int i, j, ai, aj, a, b, acp, activ, cx, cy, x, y, mask, p1, p2, s = 0; | ^ main.cpp:15:26: warning: unused variable 'b' [-Wunused-variable] 15 | int i, j, ai, aj, a, b, acp, activ, cx, cy, x, y, mask, p1, p2, s = 0; | ^ main.cpp:15:29: warning: unused variable 'acp' [-Wunused-variable] 15 | int i, j, ai, aj, a, b, acp, activ, cx, cy, x, y, mask, p1, p2, s = 0; | ^~~ main.cpp:15:34: warning: unused variable 'activ' [-Wunused-variable] 15 | int i, j, ai, aj, a, b, acp, activ, cx, cy, x, y, mask, p1, p2, s = 0; | ^~~~~ main.cpp:15:61: warning: unused variable 'p1' [-Wunused-variable] 15 | int i, j, ai, aj, a, b, acp, activ, cx, cy, x, y, mask, p1, p2, s = 0; | ^~ main.cpp:15:65: warning: unused variable 'p2' [-Wunused-variable] 15 | int i, j, ai, aj, a, b, acp, activ, cx, cy, x, y, mask, p1, p2, s = 0; | ^~