Compilare: user.c: In function ‘main’: user.c:53:54: warning: unused variable ‘cur_y’ [-Wunused-variable] unsigned int sol_x = -1, sol_y = -1, cur_x = -1, cur_y = -1; ^ user.c:53:42: warning: unused variable ‘cur_x’ [-Wunused-variable] unsigned int sol_x = -1, sol_y = -1, cur_x = -1, cur_y = -1; ^ user.c:51:21: warning: unused variable ‘x’ [-Wunused-variable] unsigned int n, x, i, j, sum = 0, middle; ^ user.c:57:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.c:59:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &v[i]); ^