- MSBKO6 Round 3 - Computer Science - 9 Updates
- Rotating Quiz #256 - 2 Updates
- Rotating Quiz #255: Land of the Long White Cloud - ANSWERS & SCORES - 2 Updates
- QFTCI5EP Game 2, Rounds 9-10: Kingnagrams, challenge - 2 Updates
| swp <stephen.w.perry@gmail.com>: May 17 03:55PM -0700 On Monday, May 15, 2017 at 1:27:00 PM UTC-4, Mark Brader wrote: > Mark Brader, Toronto | "In cyberspace, the lunatics not only run the asylum, > msb@vex.net | but they helped build it..." --Richard Kadrey > My text in this article is in the public domain. 4.294967295 * 10^9 swp |
| msb@vex.net (Mark Brader): May 17 06:50PM -0500 Mark Brader: > 3. Using the IEEE standard representation of floating-point numbers, > what is the largest value that can be represented in 32 bits? My usual presentation format won't work for this round, so I'll present the results as a series of separate tables that will fit on your standard 80-column line. Here are the answers as posted: Peter Smyth 16,777,215 ArenEss 2^31 - 1 Joshua Kreitzer 4.29496725 * 10^9 Stephen Perry 4.294967295 * 10^9 Erland Sommarskog 1E24 Bruce Bowler 1.7*10^38 Gareth Owen 2^127 ** CORRECT ** 2^128 - 2^104 Marc Dashevsky 8,388,608 x 2^127 Dan Tilque 10^128 It looks as though several entrants forgot that the question was about floating-point representations, although two of them then proceeded to format their answers in ways that floating-point numbers might be written. However, they were saved from elimination by one entrant who apparently thought that the IEEE representation used base 10. Here are the answers as plain numbers: Peter Smyth 16,777,215 ArenEss 2,147,483,647 Joshua Kreitzer 4,294,967,250 Stephen Perry 4,294,967,295 Erland Sommarskog 1,000,000,000,000,000,000,000,000 Bruce Bowler 170,000,000,000,000,000,000,000,000,000,000,000,000 Gareth Owen 170,141,183,460,469,231,731,687,303,715,884,105,728 ** CORRECT ** 340,282,346,638,528,859,811,704,183,484,516,925,440 Marc Dashevsky 1,427,247,692,705,959,881,058,285,969,449,495,136,382,746,624 Dan Tilque 100,000,000,000,000,000,000,000,000,000,000,000,000,000,- 000,000,000,000,000,000,000,000,000,000,000,000,000,000,- 000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 And here are the ratios between the answers given and the correct answer. I'm showing them to 12 significant digits. Peter Smyth /20,282,409,603,700,000,000,000,000,000,000 ArenEss /158,456,315,658,000,000,000,000,000,000 Joshua Kreitzer /79,228,158,640,400,000,000,000,000,000 Stephen Perry /79,228,157,810,300,000,000,000,000,000 Erland Sommarskog /340,282,346,639,000 Bruce Bowler /2.00166086258 Gareth Owen /1.99999988079 Marc Dashevsky *4,194,304.25000 Dan Tilque *293,873,605,222,000,000,000,000,000,000,000,000,000,- 000,000,000,000,000,000,000,000,000,000,000,000,000,- 000,000,000,000 Of course, the IEEE floating-point representation is only accurate to about 7 significant digits -- the *second*-largest representable value in 32 bits is 2^128 - 2^105 = 340,282,326,356,119,256,160,033,759,537,265,639,424. (By the way, if I had asked for the 64-bit version of IEEE 754, then the answer would have been 2^1024 - 2^971, which is 179,769,313,486,231,570,- 814,527,423,731,704,356,798,070,567,525,844,996,598,917,476,803,157,260,- 780,028,538,760,589,558,632,766,878,171,540,458,953,514,382,464,234,321,- 326,889,464,182,768,467,546,703,537,516,986,049,910,576,551,282,076,245,- 490,090,389,328,944,075,868,508,455,133,942,304,583,236,903,222,948,165,- 808,559,332,123,348,274,797,826,204,144,723,168,738,177,180,919,299,881,- 250,404,026,184,124,858,368. This representation is accurate to about 16 significant digits.) Anyway, Dan Tilque is eliminated. This contest is now open only to Bruce Bowler, Marc Dashevsky, Joshua Kreitzer, Gareth Owen, Stephen Perry, Peter Smyth, Erland Sommarskog, and the entrant posting as "ArenEss". Round 4 will be open for 4 days from the moment of posting, or until everyone has posted an entry. 4. In order for a storm to be classified as a hurricane it must have surface winds (sustained for at least 1 minute) of at least what speed, according to the National Weather Service in the US? -- Mark Brader, Toronto | "GUALITY IS FIRST" msb@vex.net | --slogan of "Dongda electron CO.,LTD" My text in this article is in the public domain. |
| Joshua Kreitzer <gromit82@hotmail.com>: May 18 04:21AM msb@vex.net (Mark Brader) wrote in >> 3. Using the IEEE standard representation of floating-point numbers, >> what is the largest value that can be represented in 32 bits? > ** CORRECT ** 2^128 - 2^104 Even after seeing the answer, I still don't even understand the question. Can someone please refer me to a Wikipedia article or something like that which will clarify this for me? > 4. In order for a storm to be classified as a hurricane it must > have surface winds (sustained for at least 1 minute) of at least > what speed, according to the National Weather Service in the US? 74 miles per hour -- Joshua Kreitzer gromit82@hotmail.com |
| Dan Tilque <dtilque@frontier.com>: May 17 05:42PM -0700 Mark Brader wrote: > ** CORRECT ** 2^128 - 2^104 > Dan Tilque 10^128 Dammit. Massive brainfart there on my part. I meant 2^128, of course. I knew it wouldn't have been correct, but close enough. -- Dan Tilque |
| msb@vex.net (Mark Brader): May 17 11:47PM -0500 Mark Brader: > > ** CORRECT ** 2^128 - 2^104 > > Dan Tilque 10^128 Dan Tilque: > Dammit. Massive brainfart there on my part. I meant 2^128, of course... You mean "I protest: didn't you realize that the '10' was in base 2?" :-) -- Mark Brader, Toronto | "This is an excellent opportunity for msb@vex.net | out-of-context quoting..." --Mike Hardy |
| msb@vex.net (Mark Brader): May 17 11:50PM -0500 Mark Brader: >>> 3. Using the IEEE standard representation of floating-point numbers, >>> what is the largest value that can be represented in 32 bits? Joshua Kreitzer: > Even after seeing the answer, I still don't even understand the question. Ah, that would make it harder. > Can someone please refer me to a Wikipedia article or something like that > which will clarify this for me? This page does a good job: http://steve.hollasch.net/cgindex/coding/ieeefloat.html I was meaning to cite it in the answer posting, but it slipped my mind. -- Mark Brader "Remember, this is Mark we're dealing with. Toronto Rationality and fact won't work very well." msb@vex.net -- Jeff Scott Franzman My text in this article is in the public domain. |
| Erland Sommarskog <esquel@sommarskog.se>: May 18 09:53AM +0200 > 4. In order for a storm to be classified as a hurricane it must > have surface winds (sustained for at least 1 minute) of at least > what speed, according to the National Weather Service in the US? 35 m/s |
| "Peter Smyth" <smythp@gmail.com>: May 18 07:51AM Mark Brader wrote: > 4. In order for a storm to be classified as a hurricane it must > have surface winds (sustained for at least 1 minute) of at least > what speed, according to the National Weather Service in the US? 75 miles per hour Peter Smyth |
| Marc Dashevsky <usenet@MarcDashevsky.com>: May 18 03:04AM -0500 In article <bp-dnYheTbkjfIHEnZ2dnUU7-SnNnZ2d@giganews.com>, msb@vex.net says... > 4. In order for a storm to be classified as a hurricane it must > have surface winds (sustained for at least 1 minute) of at least > what speed, according to the National Weather Service in the US? 80 mph -- Replace "usenet" with "marc" in the e-mail address. |
| Gareth Owen <gwowen@gmail.com>: May 17 07:40PM +0100 > 1. This is Rotating Quiz 256. List *all* the ways to express the > number 256 as an integer raised to an integer power. (Please use > the ^ notation, e.g. 81 is 3^4, meaning 3 to the 4th power.) 2^8 4^4 16^2 256^1 > 3. According to a verse in "The Lord of the Rings", a part of > which is concealed on the One Ring that the story focuses on, > how many rings of power did Sauron create altogether? Three rings for Elven lords, under the sky Seven for dwarf lords in their Nine rings for mortal men doomed to die One for the Dark Lord on his dark throne In the land of Mordor, where the shadows lie Which would be twenty, except Sauron didn't help make the Elven rings, those were made by Celebrimbor alone, which is why they were hidden from Sauron and he had no power over them. So seventeen. > 4. "The Power Broker" is a biography by Robert Caro, about which > highly influential New Yorker? Donald Trump > -- as the last sentence of each of the 13th, 15th, 19th, 23rd, > 24th, and 26th Amendments. What does it say? (Answers must > be close, but not necessarily exact.) Something about Congress being empowered to enforce the amendment > 6. In British politics, what term is used for the transfer of > powers from the UK government to lower level of government? Subsidiarity (not a word that crops up anymore, but in the 90s it was all the rage, along with Quango) > * Sports > 7. Which Australian city (or other place) has a football team > known as the Power? Perth > goals on power plays -- a record that still stands. He played > with Buffalo for 10 seasons, then Toronto, then New Jersey and > other teams. Name him. Darrien Hatcher (thats wrong, 'cause he was a Penguin for a while) > and hold the world hostage for how much money? And then, when > advised that a larger amount might be better, how much does he > decide to change his demand to? Give both numbers. One Million Dollars! One Billion Dollars! > 10. In which movie, based on a David Baldacci novel, does Clint > Eastwood play Luther Whitney, a thief who witnesses the US > president committing a crime? Nope |
| Dan Tilque <dtilque@frontier.com>: May 17 06:24PM -0700 Gareth Owen wrote: >> how many rings of power did Sauron create altogether? > Three rings for Elven lords, under the sky > Seven for dwarf lords in their halls of stone > those were made by Celebrimbor alone, which is why they were hidden from > Sauron and he had no power over them. > So seventeen. Just checked the section of the Simarillion on the Rings and it says: "In those days, the smiths of Ost-in-Edhil surpassed all they had contrived before; and they took thought, and they made Rings of Power. But Sauron guided their labours, and he was aware of all they did; for his desire was to set a bond upon the Elves and bring them under his vigilance. "Now the Elves made many rings; but secretly Sauron made the One Ring to rule all the others, ..." As for the Three: "Therefore the Three remain unsullied, for they were made by Celebrimbor alone, and the hand of Sauron had never touched them; yet they also were subject to the One." I could see either one or seventeen as legitimate answers here. Or even twenty, since that's the count from the verse. Tough call. -- Dan Tilque |
| swp <stephen.w.perry@gmail.com>: May 17 04:23PM -0700 On Tuesday, May 16, 2017 at 1:55:10 AM UTC-4, Mark Brader wrote: > > > Answers in a week or so. Good Luck! > > I can't see us getting any more entries so here are the answers & results: > !! indeed > I was waiting to see if Stephen came along and beat me. did I promise to beat you? are you sure it wasn't with a wet sea bass? > > international perspective. > Well, to be fair, it *has* been 33.5 years since I was there. (I named > the national park near the lake instead of the lake itself.) and now I have another place that I need to visit. > > Singleton for Erland > I missed by about 35 miles, instead naming the southernmost place *we* > went through on the trip. we? > > 10 Hamilton > > Singleton for Mark > Sheer luck -- just naming a city I hadn't given as another answer. and here I thought you were naming the play. which I didn't like. over hyped. > The only place where I've seen a geyser deliberately induced to erupt > for the tourists. (They dumped powdered soap into it.) (Okay, it's > not exactly in Rotorua, but it's only 35 miles away.) ah ha! there's that 35 again. clearly a universal constant for .. something. > > Mark is the clear winner and claims RQ256 hosting rights. > So be it. Thanks for the trip down memory lane. amnesia lane, memory lane, the intersection of electric and higher. they all look the same from space. don't ask. > Toronto | and is almost impossible to pry open" > msb@vex.net | --Michael Wares > My text in this article is in the public domain. swp |
| msb@vex.net (Mark Brader): May 17 07:43PM -0500 "Calvin": > > > I can't see us getting any more entries so here are the answers & results: Mark Brader: > > I was waiting to see if Stephen came along and beat me. Stephen Perry: > did I promise to beat you? are you sure it wasn't with a wet sea bass? Maybe it was some other Stephen. > > I missed by about 35 miles, instead naming the southernmost place *we* > > went through on the trip. > we? Robert, Cathy, and I. > > for the tourists. (They dumped powdered soap into it.) (Okay, it's > > not exactly in Rotorua, but it's only 35 miles away.) > ah ha! there's that 35 again. clearly a universal constant for .. something. I see what you mean. -- Mark Brader, Toronto | "The brain is amazing when it's amazing, with msb@vex.net | apologies to Robert Biddle." --Steve Summit My text in this article is in the public domain. |
| Jason Kreitzer <jk71875@gmail.com>: May 17 11:15AM -0700 On Tuesday, May 16, 2017 at 4:37:36 AM UTC-4, Mark Brader wrote: > title -- you name it. > 1. Two words: OMLASTELS. > 2. Two words: NIGHTHINES. The Shining > 5. Three words: HUNTINGMANNER. > 6. Two words: SHATTEND. > 7. One word: NICERSHIT. Christine > 8. One word: SYMIRE. Misery > body, is located at the base of the hypothalamus and is > about the size of a pea. It produces many hormones that > control other glands and body functions, including growth. Thyroid |
| Erland Sommarskog <esquel@sommarskog.se>: May 17 10:53PM +0200 > A1. What is the official anthem of the European Union? An die Fruede > A2. In what year was the EU formed? 1951. Although then it was only the Coal and Steel Union. It was transformed to become the European (Economic) Community in 1957. The European Union moniker came in 1992, if memory serves. > body, is located at the base of the hypothalamus and is > about the size of a pea. It produces many hormones that > control other glands and body functions, including growth. Thalamus > C2. Treaty or Peace of Westphalia? 30-year war. > * D. African Capitals > What is the current capital city of... > D1. Burkina Faso? Ouagadogou > D2. Namibia? Windhoek > E1. Including the cue ball, how many balls are on the table at > the start of a snooker game? 23 |
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