Compilare: main.cpp: In function 'int main()': main.cpp:47:13: warning: variable 'ok' set but not used [-Wunused-but-set-variable] 47 | int ok = 0; | ^~ main.cpp:42:15: warning: unused variable 'xv' [-Wunused-variable] 42 | int x, y, xv, yv, test, inter, d1, d2, d3, d4; | ^~ main.cpp:42:19: warning: unused variable 'yv' [-Wunused-variable] 42 | int x, y, xv, yv, test, inter, d1, d2, d3, d4; | ^~ main.cpp:42:23: warning: unused variable 'test' [-Wunused-variable] 42 | int x, y, xv, yv, test, inter, d1, d2, d3, d4; | ^~~~ main.cpp:42:29: warning: unused variable 'inter' [-Wunused-variable] 42 | int x, y, xv, yv, test, inter, d1, d2, d3, d4; | ^~~~~ main.cpp:42:36: warning: unused variable 'd1' [-Wunused-variable] 42 | int x, y, xv, yv, test, inter, d1, d2, d3, d4; | ^~ main.cpp:42:40: warning: unused variable 'd2' [-Wunused-variable] 42 | int x, y, xv, yv, test, inter, d1, d2, d3, d4; | ^~ main.cpp:42:44: warning: unused variable 'd3' [-Wunused-variable] 42 | int x, y, xv, yv, test, inter, d1, d2, d3, d4; | ^~ main.cpp:42:48: warning: unused variable 'd4' [-Wunused-variable] 42 | int x, y, xv, yv, test, inter, d1, d2, d3, d4; | ^~