There are several books placed in the HackerStudy library. One of those books on mathematics described an interesting problem that a mathematician wishes to solve. For an array arrofnintegers, the mathematician can perform the following move on the array: 1. Choose an indexi(0≤i
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Using the knowledge of computational language in python it is possible to write a code that There are several books placed in the HackerStudy library.
Writting the code:include<iostream>
using namespace std;
long getMaximumScore(int arr[],int k,int n)
{
long count=0,sum=0;
for(int i=0;i<n-1;i++)
{
for(int j=0;j<n-i-1;j++)
{
if(arr[j+1]>arr[j])
{
arr[j+1]=arr[j+1]+arr[j];
arr[j]=arr[j+1]-arr[j];
arr[j+1]=arr[j+1]-arr[j];
}
}
}
for(int i=0;i<n;i++)
{
if(count==k)
return sum;
else
{
sum=sum+arr[i];
count++;
}
}
}
int main()
{
int n,k;
cin>>n;
int arr[n];
for(k=0;k<n;k++)
cin>>arr[k] ;
cin>>k;
cout<<getMaximumScore(arr,k,n);
return 0;
}
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Related Questions
What is the single largest contributor to increasing takeoff or landing distance?
Answers
An uphill slope improves the take-off ground run, and a downhill slope increases the landing ground run.
What is uphill slope?
Driving uphill suggests climbing a “positive” six percent slope . Driving downhill, the “rise” exists as a drop, so there is a “negative,” or downhill, slope (Figure B). When dealing with slope, a positive slope simply indicates uphill and a negative slope indicates downhill. An uphill slope improves the take-off ground run, and a downhill slope increases the landing ground run.
If something or someone lives moving downhill or is downhill, they exist moving down a slope or are located toward the bottom of a hill. He headed downhill toward the river. adverb. If you communicate that something exists going downhill, you mean that it is becoming worse or less prosperous.
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Makine yüzeysel gemi ünvan değişikliği teknolojisi
Answers
I inferred you meant emerging technologies we see today.
Explanation:
1. 3D Printing
A three dimensional printing allows a digital model to be printed (constructed) into a physical object.
A box, an industrial design and many more could be printed within minutes.
2. AI voice recognition devices
Another trend in the tech world is the rise in artificial intelligence been used in voice recognition devices that not only recognize one's voice but also take commands from the user.
This technology allows one to listen to the internet, such as listening to music online.
The tech world is ever changing with new technology beyond one's consumption on the increase daily.
The rafter is fastened to the outside wall so that the plumb cut in the birdsmouth is tight to the exterior wall sheathing
Select one:
O True
O False
Answers
3. Suppose up to 300 cars per hour can travel between any two of the cities 1, 2, 3, and 4. Formulate a maximum flow problem that can be used to determine how many cars can be sent in the next two hours from city 1 to city 4. Give the network diagram and the LP formulation for your model.
Answers
Let $x ij$ represent the quantity of cars that will be delivered in the following two hours from city I to city j.
Create a maximum flow issue?Network Diagram:
LP Formulation:
Maximize Z = 150x14 + 150x24
Subject to:
x11 + x12 + x13 + x14 <= 300 (flow from city 1 to other cities)
x21 + x22 + x23 + x24 <= 300 (flow from city 2 to other cities)
x31 + x32 + x33 + x34 <= 300 (flow from city 3 to other cities)
x41 + x42 + x43 + x44 <= 300 (flow from city 4 to other cities)
x11 + x21 + x31 + x41 = 150 (flow into city 1)
x12 + x22 + x32 + x42 = 150 (flow into city 2)
x13 + x23 + x33 + x43 = 150 (flow into city 3)
x14 + x24 + x34 + x44 = 150 (flow into city 4)
xij >= 0 (all variables must be positive)
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A boiler is designed to work at 14bar and evaporate 8 kg/s of water. The inlet water to the boiler has a temperature of 400C and at exit the steam is 0.95 dry. The flow velocity at inlet is 10 m/s and at exit 5 m/s and the exit is % m above the elevation at entrance. Determine the quantity of heat required. What is the significance of changes in kinetic and potential energy on the result.
Answers
Answer:
Explanation: 2 is thy answer
in order to unscrew the tapped faucet a, a plumber uses two pipe wrenches as shown. by exerting a 40-lb force on each wrench at a distance of 10 in. from the axis of the pipe and in a direction perpendicular to the pipe and to the wrench, he prevents the pipe from rotating, and thus, avoids loosening or further tightening the joint between the pipe and the tapped elbow c
Answers
The plumber is using the two pipe wrenches to create a moment, which is the product of a force multiplied by a distance. The force exerted on each wrench is 40lb and the distance to the axis of the pipe is 10in.
What is pipe?Pipe is a tubular structure typically used for the conveyance of fluids, such as water, gas, or steam. It is also commonly used in plumbing systems to transport wastewater, and in construction to form a network of pipes for the circulation of air, electrical wiring, and more. Pipe is made from a wide variety of materials, including metals, plastics, and ceramics. The size of a pipe is determined by its inner diameter, and the wall thickness is determined by the pressure it is designed to withstand. Pipe is an essential part of many different industries, and is used in countless applications around the world.
This creates a moment of 400lb-in (40lb x 10in). This moment will counteract any moment created by the pressure of the water or any other external force, and thus prevent the pipe from rotating. This will allow the plumber to loosen or tighten the joint between the pipe and the tapped elbow without it rotating.
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A semiconductor wafer with n-type impurities has been stripped from all its free electrons. The wafer is in the form of a flat disk and has positive charges uniformly distributed on its top and bottom surface. The charge density is 10 C/cm^2. Determine the magnitude of the electric flux density D above the wafer in C/m^2.a. 0.5 x10+5 c/m2 b. 0.5x10-5 C/m2 c. 0.5x10 C/m2 d. 10+5 C/m2
Answers
Answer:
a. 0.5x10⁵
Explanation:
The charge density = 10C/cm²
We are asked to find the magnitude of the electric flux density
The electric field of infinite sheet
E = σ/2Eo
We have electric density as follows:
D = EEo = EoE
Since charge density σ = 10C/cm²
σ = 10x10²C/m²
D = σ/2
10x10⁴/2
= 5x10⁴C/m²
= 0.5x10⁵C/m²
Therefore the magnitude is equal to 0.5x10⁵C/m². Which gives us option a as the answer
are trains cool because if they are then my dad didn't beat me
Answers
Answer:
I think trains are pretty awesome. There's a train in japan that levitates slightly and runs on magnetism. Pretty amazing. It's super fast too
Pressure sensor rated at 0-500 psi and has an output of 0-10 Volts DC (10 V correspond to
500 psi) .it is connected to PLC analog input module that is 12 Bits if the PLC read the
Analog input as 8B3 HEX,what is the pressure in psi and the resolution in psi for the
System.
Answers
Answer:
Explanation:
Sorry I'm new and I need points ty
. Find the derivative of y = x² – 5x using the definition of the derivative.
Answers
Answer:
\(\displaystyle y' = 2x - 5\)
General Formulas and Concepts:
Algebra I
Terms/Coefficients
Expanding/FactoringFunctions
Function NotationCalculus
Limits
Limit Rule [Variable Direct Substitution]: \(\displaystyle \lim_{x \to c} x = c\)
Differentiation
DerivativesDerivative NotationDefinition of a Derivative: \(\displaystyle f'(x) = \lim_{h \to 0} \frac{f(x + h) - f(x)}{h}\)Explanation:
Step 1: Define
Identify
\(\displaystyle y = x^2 - 5x\)
Step 2: Differentiate
Substitute in function [Definition of a Derivative]: \(\displaystyle y' = \lim_{h \to 0} \frac{[(x + h)^2 - 5(x + h)] - (x^2 - 5x)}{h}\)Expand: \(\displaystyle y' = \lim_{h \to 0} \frac{x^2 + 2hx + h^2 - 5x - 5h - x^2 + 5x}{h}\)Combine like terms: \(\displaystyle y' = \lim_{h \to 0} \frac{2hx + h^2 - 5h}{h}\)Factor: \(\displaystyle y' = \lim_{h \to 0} \frac{h(2x + h - 5)}{h}\)Simplify: \(\displaystyle y' = \lim_{h \to 0} (2x + h - 5)\)Evaluate limit [Limit Rule - Variable Direct Substitution]: \(\displaystyle y' = 2x + 0 - 5\)Simplify: \(\displaystyle y' = 2x - 5\)Topic: AP Calculus AB/BC (Calculus I/I + II)
Unit: Differentiation
A feature control frame must be connected to
Answers
Answer:
Surface Parallelism When a surface is to be parallel to a datum plane, the feature control frame is connected by a leader to the surface, or to an extension line from the surface.
Explanation:
Where would an engineer indicate the unit of measurement used in a design
Answers
An engineer would indicate the unit of measurement used in a design in millimeters.
What are measurements?The primary unit of measurement is the stocking unit of measure for a given item in a specific organization. You must define an item attribute that serves as the primary unit of measurement when creating each item.
Because the technical drawings are scaled, engineers, architects, and builders may create the items according to exact specifications.
When understanding scales, the number on the left relates to the measurement of the drawing, while the number on the right represents the actual size of the object.
Therefore, a millimeter is used in a design.
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Hey guys can anyone list chemical engineering advancement that has been discovered within the past 20 years
Answers
Nanopesticides. The world population keeps growing. ...
Enantio selective organocatalysis. ...
Solid-state batteries. ...
Flow Chemistry. ...
Porous material for Water Harvesting. ...
Directed evolution of selective enzymes. ...
From plastics to monomers. ...
a spring 60 cm long is stretched by 2 cm by the application of the load of 200g. Whag will be the lenght when a load of 500g is applied?
Answers
Considering the situation described and the concept of force, load, and area, the length when a load of 500g is applied is 65cm
What are Force, Load, and Area?Force is a scientific term that is used to describe the influence that can alter the motion of an object.
Generally, force is also known to cause an object with mass to change its velocity, Ti can be either a push or a pull.
Also, Load is a term that is used to describe the force exerted on a surface or body.
While Area is a term that is used to describe the amount of surface a two-dimensional shape can cover.
Therefore, in this case, the springs extend by 2cm when a load of 200g is applied.
Given that ks = mg
Hence, we have k = mg/x
Where we have 500g, we calculate the length from the current details in the question as
k = 0.2*10/0.02
k = 100
Hence, 100x = 0.5*10 x=5cm
Therefore, 5cm + 60cm = 65cm
Hence, in this case, it is concluded that the correct answer is 65cm.
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A good way to track problems that need to be solved later in the day or week is with
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the timken company applied six sigma tools to minimize process variation to address the select principle of lean operating systems.T/F
Answers
The statement that the timken company applied six sigma tools to minimize process variation to address the elimination of waste principle of lean operating systems is true.
What is the justification?The Timken Company, a leading manufacturer of bearings and mechanical power transmission products, has applied Six Sigma tools to minimize process variation as part of its lean operating system. Six Sigma is a quality management methodology that uses statistical analysis and other tools to identify and eliminate defects or variations in a process.
In lean operating systems, the goal is to maximize value and minimize waste by optimizing processes and reducing inefficiencies. By using Six Sigma tools to minimize process variation, Timken was able to improve the quality and consistency of its products, reduce waste, and increase efficiency.
The application of Six Sigma tools to minimize process variation is consistent with the elimination of waste principle of lean operating systems, which involves selecting the most efficient and effective processes and eliminating or minimizing non-value-added activities. By minimizing process variation, Timken was able to improve its processes and create greater value for its customers while reducing waste and increasing efficiency.
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Three groups of students are given study outlines for 6 weeks. One group studies 2 hours a night, a second group studies 1 hour a night, and the third group only studies 30 minutes. Their final exam grade will be at the end of the 6 weeks. What is the constant ?
Answers
Answer:
The constant here is the study outline
Explanation:
In scientific research, the constant variable is that part/variable of the experiment that does not change or is set not to change. Examples include temperature, environment or height.
Assuming the scenery described in this question is an experiment. All the groups presented are bound by a constant during the experiment. The constant here is the study outline. The study outline provided to the students is not going to change.
NOTE: There could be confusion as regards the answer being the final exam grade but that will be the dependent variable as that will be the outcome of the experiment while the time spent to study will be the independent variable.
Find the transfer function G(s)=Y(s)/R(s) for the following state space system where R(s) is the input and Y(s) is the output. x˙=⎣⎡00−210−301−4⎦⎤x+⎣⎡500⎦⎤ry=[100]x
Answers
The transfer function G(s) for the given state space system is (s+2)/(s+3) + s(x(0) + y(0))/(s+3) + (s^2)x(0)/(s+3).
To find the transfer function, we start by applying the Laplace transform to the state space equations. By rearranging the equations and substituting the expression for X(s) into the second equation, we obtain the equation (s+3)Y(s) = (s+2)R(s) + s(x(0) + y(0)) + (s^2)x(0). The transfer function G(s) is then defined as the ratio of Y(s) to R(s), which yields G(s) = (s+2)/(s+3) + s(x(0) + y(0))/(s+3) + (s^2)x(0)/(s+3). This transfer function represents the relationship between the input R(s) and the output Y(s) in the Laplace domain. It is a function of the Laplace variable s and the initial conditions x(0) and y(0).
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Select four types of engineers who might be involved in the development of a product such as an iPhone.
computer engineers
hydraulic engineers
geodetic engineers
electrical engineers
chemical engineers
mechanical engineers
civil engineers
manufacturing engineers
Answers
computer engineers
electrical engineers
mechanical engineers
manufacturing engineers
Answer:
manufacturing engineer
computer engineer
mechanical engineer
eletrical engineer
Hi, I am confused about whether this is considered not symmetric or symmetric.
Relation R = { (a, b), (a, c), (b, c), (b, d), (c, d), (d, c) }
I tried asking different people but they gave me two different answers, so which one is the correct one?
Symmetric since (c, d) ∈ R and (d, c) ∈ R
OR
NOT Symmetric since (a, b) ∈ R and (b, a) ∉ R
OR
is it both wrong or both right? Please explain, thank you!
Answers
The relation R is not symmetric because it violates the symmetry property for the pair (a, b).
Is the relation R = { (a, b), (a, c), (b, c), (b, d), (c, d), (d, c) } symmetric or not?The relation R = { (a, b), (a, c), (b, c), (b, d), (c, d), (d, c) } is considered NOT symmetric.
Symmetry in a relation means that if (a, b) is in the relation, then (b, a) must also be in the relation. In this case, we have (a, b) ∈ R, but (b, a) ∉ R, violating the symmetry property.
While it is true that (c, d) ∈ R and (d, c) ∈ R, satisfying the symmetry property for those specific pairs, the presence of (a, b) ∈ R and (b, a) ∉ R already establishes that the relation is not symmetric. Symmetry should hold for all pairs in the relation, not just a subset.
Therefore, the correct answer is NOT symmetric, based on the violation of the symmetry property for the pair (a, b).
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Consider a digital communication system that transmits information via QAM over a voice-band telephone channel at a rate 2400 symbols/second. The additive noise is assumed to be white and Gaussian. 1. Determine the Ey/N, required to achieve an error probability of 10 at 4800 bps. 2. Repeat (1) for a bit rate of 9600 bps. 3. Repeat (1) for a bit rate of 19,200 bps. 4. What conclusions do you reach from these results?
Answers
The bit rate and the required error probability in determining the appropriate Ey/N for a digital communication system. It also emphasizes the need to account for channel conditions, such as noise characteristics, when designing and optimizing communication systems for reliable data transmission.
Ey/N required to achieve an error probability of 10 at 4800 bps:
The Ey/N required to achieve a specific error probability can be determined using the concept of the bit error rate (BER). The BER is given by the equation:
BER = (1/2) * erfc(sqrt(Ey/N))
where erfc is the complementary error function. Rearranging this equation, we can solve for Ey/N:
Ey/N = (erfc^(-1)(2 * BER))^2
To achieve an error probability of 10 at a bit rate of 4800 bps, we substitute the given BER value (10^-2) into the equation:
Ey/N = (erfc^(-1)(2 * 10^-2))^2
This calculates the Ey/N required to achieve the desired error probability.
In a digital communication system, QAM modulation is used to transmit information. The voice-band telephone channel has a rate of 2400 symbols/second. The additive noise is assumed to be white and Gaussian.
Detailed Explanation:
To calculate the required Ey/N for achieving a specific error probability, we need to understand the relationship between Ey/N and the BER. In a communication system, Ey represents the average energy per symbol, and N is the noise power spectral density.
The BER equation mentioned above relates the BER to Ey/N. By rearranging the equation, we can solve for Ey/N using the inverse complementary error function (erfc^(-1)).
In this scenario, the error probability is given as 10, which corresponds to a BER of 10^-2. By substituting this value into the equation, we can calculate Ey/N. The erfc^(-1) function provides the inverse of the complementary error function, allowing us to determine the required Ey/N to achieve the desired error probability.
Repeat this process for each given bit rate (4800 bps, 9600 bps, and 19,200 bps) to calculate the respective Ey/N values required for achieving an error probability of 10. By analyzing these results, we can draw conclusions regarding the Ey/N requirements for different bit rates.
Analyzing the obtained Ey/N values for different bit rates, we can observe trends and draw conclusions. It is likely that higher bit rates will require higher Ey/N values to achieve the same error probability. Additionally, as the bit rate increases, the system becomes more susceptible to errors caused by noise, necessitating higher energy levels or lower noise levels.
These conclusions highlight the importance of considering the bit rate and the required error probability in determining the appropriate Ey/N for a digital communication system. It also emphasizes the need to account for channel conditions, such as noise characteristics, when designing and optimizing communication systems for reliable data transmission.
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Two technicians are discussing cylinder honing technician a says a good cross hatch helps to trap the oil and retain it in the cylinder bore where it is needed
Answers
Technician A says that a good cross hatch pattern helps to trap and retain oil in the cylinder bore.
What is the purpose of a cross hatch pattern in cylinder honing?Cylinder honing is a process of smoothing out and creating a specific cross-hatch pattern on the inside of a cylinder bore.
The purpose of the cross-hatch pattern is to trap oil and retain it in the cylinder bore where it is needed for lubrication.
The cross-hatch pattern also helps with piston ring seating and overall engine performance.
Technician A is correct in stating that a good cross-hatch helps to trap the oil and retain it in the cylinder bore.
Proper cylinder honing is an important aspect of engine rebuilding and maintenance to ensure efficient engine operation and longevity.
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if you are a mechanical engineer answer these questions:
1. Are communication skills (reading, writing, and speaking) necessary in this profession?
2. How are Communicative Competences integrated into this profession?
Answers
Answer:
1. Yes, they are all necessary.
2. Both written and verbal communication skills are of the utmost importance in business, especially in engineering. Communication skills boost you or your teams' performance because they provide clear information and expectations to help manage and deliver excellent work.
question 12 a beginner ux designer is looking for a short-term work opportunity with not a lot of responsibility. which of the following is a good option for them? 1 point working at a start-up freelancing an internship an entry level job
Answers
Internships provide valuable work experience and the opportunity to learn from experienced professionals in the field. They also often have a set duration, which can be a good fit for someone who is not looking for a long-term commitment. Additionally, internships typically come with less responsibility than entry-level jobs, which can be a good fit for someone who is just starting out in their career.
An internship would be a good option for a beginner UX designer who is looking for a short-term work opportunity with not a lot of responsibility.
Internships provide valuable work experience and the opportunity to learn from experienced professionals in the field. They also often have a set duration, which can be a good fit for someone who is not looking for a long-term commitment.
Additionally, internships typically come with less responsibility than entry-level jobs, which can be a good fit for someone who is just starting out in their career.
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The power dissipated in a 4-ohm resistor carrying 3 a is.
Answers
The power dissipated in the 4-ohm resistor carrying 3 amps is 36 watts.
The power dissipated in a resistor is the amount of energy being converted into heat. In this case, we have a 4-ohm resistor carrying a current of 3 amps. Using the formula P=I²R, where P is power, I is current, and R is resistance, we can calculate the power dissipated in the resistor.
Plugging in the given values, we get P=(3A)² x 4Ω = 36W.
It is important to note that power dissipation in a resistor is directly proportional to the current flowing through it and the resistance of the resistor. This means that as the current increases, the power dissipated in the resistor also increases, and vice versa. Additionally, the higher the resistance, the higher the power dissipation.
Therefore, it is important to choose a resistor with an appropriate power rating to avoid overheating and potential damage to the circuit.
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What is the last step in the engineering design process?
A. Implement the tested and optimized design on a broad scale.
B. Build and test a prototype.
C. Identify the problem or need.
D. Determine the constraints and criteria for the solution.
Answers
Answer:
Engineering Design Loop: The steps of the design process include: identify the need, research the problem, develop possible solutions, select the most promising solution, construct a prototype, test and evaluate the prototype, communicate the design, and redesign.
Explanation:
Gear friction reduces power and engineers never use more gears than are need it.
A) True
B) False
Answers
Answer:
i personally think it is false
Explanation:
i think this because gear friction reduces next to no power
when a flare connection leaks due to a bad flare what is the recommended repair
Answers
When a flare connection leaks due to a bad flare, the recommended repair involves carefully disassembling the connection and inspecting the flare for damage.
If the flare is damaged or deformed, you should cut off the damaged section of tubing and create a new flare using a flaring tool. Before reassembling the connection, ensure the flare nut and mating surface are clean and free of debris.
After making a new flare, reattach the flare nut and mating surface, then tighten the connection properly to ensure a secure and leak-free seal. It is essential to perform these steps with precision to maintain the system's integrity and prevent future leaks.
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HURRY :)) In low light, it's _____ to see details, colors, and distant objects. FYI it's ed drivers!!!! A. Easier B. Harder C. Just as easy D. Impossible
Answers
Answer:
harder
Explanation:
Answer:
light
Explanation:
If current flowing through a conductor is 10 mA. how many electrons travel through it in 10 s?
Answers
6.25×10⁻¹⁸ electrons will flow through a copper wire.
What are electrons?Electrons can be defined as the sum of atomic particles that is the career of negative charge, they are responsible for the chemical property of an element, the electrons are present in the shell.
Use formula ( I = ne/t )
Here,
number of electron
electron =1.6 x 10¯¹9 C
We have a relation between charge and current as
Charge = Current×time i.e
Q = i×t.
Now we have current = 10 amp & time = 10sec from given data.
Therefore charge Q = 10×1 = 100 coulombs.
Again we have a relation between charge and no of electrons
I.e no of electrons= total charge / 1.6×10⁻¹⁹
So, no of electrons = ( 100C/1.6×10⁻¹⁸ )
= 6.25×10⁻¹⁸ electrons.
Therefore, 6.25×10⁻¹⁸ electrons will flow through a copper wire carrying 10 amps current for 10 sec
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