Compilare: user.cpp:7:32: warning: ‘typedef’ was ignored in this declaration [enabled by default] typedef struct patrat{int i, j;}; ^ user.cpp: In function ‘int main()’: user.cpp:19:9: warning: unused variable ‘val’ [-Wunused-variable] int val, n, m, h, i, j, x1, x2, y1, y2, x, y; ^ user.cpp:19:20: warning: unused variable ‘h’ [-Wunused-variable] int val, n, m, h, i, j, x1, x2, y1, y2, x, y; ^ user.cpp:19:23: warning: unused variable ‘i’ [-Wunused-variable] int val, n, m, h, i, j, x1, x2, y1, y2, x, y; ^ user.cpp:19:45: warning: unused variable ‘x’ [-Wunused-variable] int val, n, m, h, i, j, x1, x2, y1, y2, x, y; ^ user.cpp:19:48: warning: unused variable ‘y’ [-Wunused-variable] int val, n, m, h, i, j, x1, x2, y1, y2, x, y; ^