Compilare: user.c: In function ‘main’: user.c:8:10: warning: unused variable ‘high’ [-Wunused-variable] int low, high; ^ user.c:8:5: warning: unused variable ‘low’ [-Wunused-variable] int low, high; ^ user.c:7:28: warning: unused variable ‘ways’ [-Wunused-variable] int X, Y, i, j, count = 0, ways = 0; ^ user.c:7:17: warning: unused variable ‘count’ [-Wunused-variable] int X, Y, i, j, count = 0, ways = 0; ^ user.c:7:14: warning: unused variable ‘j’ [-Wunused-variable] int X, Y, i, j, count = 0, ways = 0; ^ user.c:7:11: warning: unused variable ‘i’ [-Wunused-variable] int X, Y, i, j, count = 0, ways = 0; ^ user.c:13:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(file1, "%d", &X); ^ user.c:14:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(file1, "%d", &Y); ^