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Could somebody help with these two exercises please
Exercise 1:
Compatible intervals Given n open intervals (a1, b1), (a2, b2), . . . , (an, bn) on the real line, each representing start and end times of some activity requiring the same resource, the task is to find the largest number of these intervals so that no two of them overlap.
Investigate the three greedy algorithms based on
For each of the three algorithms, either prove that the algorithm always yields an optimal solution or give a counterexample showing this not to be the case.
Exercise 2:
Rumor spreading problem: There are n people, each in possession of a different rumor. They want to share all the rumors with each other by sending electronic messages. Assume that a sender includes all the rumors he or she knows at the time the message is sent and that a message may only have one addressee.
Explain how many Calories are needed to increase the temperature of 10.0 grams of ice from 29.6 C to -19.6. Specific heat of ice is 0.48 cal/g C
In the formation of an acetal one mole of aldehyde requires which of the following? a. one mole of alchol b. two moles of alcohol c. one mole of alcohol and one mole of water d. two moles of water
For the conversion of methyl isonitrile to acetonitrile in the gas phase at 250 oC CH3NC CH3CN the following data have been obtained
What is the mass in grams of 4.12 moles of CaCO3. How many moles are in 75.0g of CCl4
Calculate the number of moles Cl of atoms in 3.61×10^24 formula units of magnesium chloride,MgCl2
determine the equilibrium concentrations of all three compounds if the starting concentrations of both reactants are .00408 M, wiht [HOCl]=0.000 M.
How much energy in J must be added to 36.04g of solid water at -15 celcius degree to conver it to liquid water at 12 celcius
When carbon dioxide is bubbled through a clear calcium hydroxide solution, the solution appears milky. write an equation for the reaction and explain how this reaction illustrates that CO2 is an acidic oxide. Remember to add the states of all reac..
How many liters of H2 at 23.0C and 733mm Hg are released when 1.98g of Na reacts with unlimited water?
Write a three pg paper describing Windows Printer Model for Server 2008. Discuss local vs. network printers and how to decide which to deploy. Has the development and deployment of network-based printers really saved the money they were suppo..
Consider a saturated solution of calcium fluoride in 0.039 M potassium nitrate. Complete the following tasks, and then answer the question. Write the chemical equation corresponding to Ksp.
a buffer was prepared by adding 2.4 g of ammonium nitrate to 100.0 ml of 0.30 m ammonia kb 1.8 times 10-5. to this
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