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When the point is p-position, the initiator losesWhen the point is n-position, i.e. A1^a2......^an = k;The first step of the initiator is to make a1^a2^.......^an^k = 0;So just ai^k #include #include #include using namespace Std;const int MAXN = 10000010;int NUM[MAXN];int main (){Freopen ("In.txt", "R", stdin);int n;while (scanf ("%d", n) n){int sum = 0;for (int i = 1;i {scanf ("%d", num[i]);Sum^=num[i];}if (sum = = 0){printf ("0\n");Continue;}int ans = 0;for (int i = 1;i {int t = num[i]^sum;if
Open the topic URL http://acm.hdu.edu.cn/showproblem.php?pid=1850 In fact, the meaning of the topic is very simple. is a NIM game. But the problem is not to ask who wins, but to ask how many ways to win. So it seems kinda interesting ... First of all, we must know, because it is the hands, for M heap poker, there is a maximum of M winning method. (Why ...) It's not clear ... ) Below to find
Http://acm.hdu.edu.cn/showproblem.php? PID = 1, 1850 In the NIM game, we want to ensure that the first hand wins the number of available solutions. For a winning situation, at least one solution can reach a defeat. That is to say, for A1 ^ a2... ^! = 0 there must be an AI that can be changed to 'ai', and A1 ^ a2.. ^ ai'... ^ An = 0. Set A1 ^ a2 .. ^ An = K, then there must be an AI. Its binary value indicat
Data-id= "1190000004881701" > PHP tags Form One Form Two Form Three This form needs to rely on a configuration in php.inishort_open_tag = On If there is no HTML behind PHP you can omit?> PHP Case-sensitive features Variable differentiation Constant distinction Other do not differentiate About semicolons Every sentence should be added;
Miyu original, post Please note: Reprinted from __________ White House Question address:Http://acm.hdu.edu.cn/showproblem.php? PID = 1, 1850Description:Problem descriptionA year of careCan you be a good boy for a few days?Do the following during the winter vacation Accompany mom to a restaurantQuietly buy a small g
The effect of the picture can be seen the main composition of the lantern is a little complicated. When making the first by the main part of the beginning, the left and right sides are symmetrical, the first production of a good part of the other can copy the past. The bottom of the decoration is relatively difficult to make a lot of, especially the line part, ne
The design of the effect chart is excellent and the theme is very prominent. The author uses the form of stage to show the product, plus some happy New Year elements, plus the dancing squirrel, the screen is very attractive. Final effect The material used: First, the background part of the production: 1, new canvas, Size: 1920 * 1000, Canvas fill color: #b08f6c. 2, the background picture dragged in, with a
A Short problemTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission (s): 300 Accepted Submission (s): 110 Problem DescriptionAccording to a research, VIM users tend to have shorter fingers, compared with Emacs users.Hence they prefer problems short, too. Here is a short one:Given n (1 G (n) mod 109 + 7 WhereG (n) = 3g (
This is the case. Yesterday morning, a junior high school student told me on QQ that the train ticket was hard to buy when I went home recently. Because I have had many online and telephone booking experiences in Xi'an, the train ticket is on the west rail ticket, and the bus ticket is on the Chengnan Passenger Station. He said he didn't know how to buy the ticket. I searched Qingyuan for the ticket and found a
EndurerOriginal 1Version A colleague said that his computer was abnormal and asked me to check it out. Download hijackthis scan log to http://endurer.ys168.com and find suspicious items: /-----Logfile of hijackthis v1.99.1Scan saved at 9:04:52, onPlatform: Windows XP SP2 (winnt 5.01.2600)MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180) Running Processes:C:/Windows/logocmd.exeE:/qqgame/pocket ~ 1/pocketrpg.exe F3-Reg: win. ini: load = C:/Windows/rund
New Year's Day 2012: January 1, 2012 to 3rd holiday lieu, a total of 3 days. December 31, 2011 (Saturday) to work. 2012 Spring Festival: January 22, 2012 (Sunday, New Year's Eve) to January 28 (Saturday), a 7-day holiday. January 21, January 29 (Sunday) work as usual. 2012 Vacation Schedule 2012 Ching Ming Festival
Dragon Boat Festival Blessing Message 1, a long time ago, Mr. Qu Yuan was laid off after the invention of Zongzi, but not only sales bad, but also to be exploited by the ruffians, disheartened finally ran to Guangdong jumped into the 2, although your body is very good, but Qu Yuan said: more physical exercise, less play mahjong, can eat Zongzi, every day health 3, take off your coat, you are so white and wh
Lantern Festival Introduction: The Lunar New Year 15th, the Spring Festival just past, ushered in the Chinese Traditional festival-lantern festival. The first month is the lunar calendar, the ancients called the Night for "nights", so called the Lunar New Year for the Lantern Fes
First, the preface I've had a problem with my work recently. The back end has a timed task, need to use the Java daily judgment statutory holidays, weekends, work and so on, in fact, want to alone through the logic of what to judge the holiday of China's legal holidays, basic impossible, because the country each year's holiday may not be the same, is artificially set; So only rely on other means, can thin
2015 Spring Festival train ticket grab ticket Raiders More tickets to the Software View: 2015 Spring Festival Rush ticket Topic 2015 Spring Festival travel time: The 2015 Chinese New Year is from February 19, so, the 2014-year Spring Festival travel time from February 4, to the end of March
Why have you heard of zongzi Festival most recently? I don't know why .. Suddenly I want to write something .. Too many things have destroyed the Chinese themselves! I just hope that, Face up to the Dragon Boat Festival .. Do not feel ignorant. In addition, during the zongzi festival, I used my mind to think about who lost my own things! We also asked
Millet 6 Annual Rice Noodle Festival during the activities of the user to obtain the 2016 Rice Festival coupons can be in the personal account query, in the individual account of the coupon column can be queried to use/expired coupons details, including the number of coupons, coupon value, coupon validity period. March 31, 2016 before the activation of the phone card users, can be in the Rice Noodle
June 1, 2011, the Dragon Boat Festival to reduce, WPS will serve as a select template for everyone to help everyone will be the fastest blessing to the friends and relatives around. It is reported that nearly a week of time, the Dragon Boat Festival version has broken through the download 20,000 times, whether in schoo
Article Description: qzone Year of the Dragon Spring Festival eggs "will spray Fire dragon" production revealed. I. BACKGROUND This spring Festival Qzone do the Spring Festival activity is lets the user Xu three New Year wishes (publish space to say the way), then to pull friends to "praise" their own hair wishes, when each desire to accumulate "prais
2012 is your website sick? The Spring Festival will come, according to the A5 optimization Group (http://seo.admin5.com) survey to understand: Recently a number of sites in Baidu rankings in the relatively serious decline in the keyword, and these sites in the past most still have a relatively good ranking. Webmaster, have you found this out? By this, I think: th
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