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Common BoardAbdullajon To Admins. // Problem 1274. Fractional Arithmetic 2 May 2015 12:38 My AC solution gives wrong answer for this test case: 1/2 - 1/3 my answer: -1/6 Add this test... Sergey Medgaus Сообщение для автора. Message for an author. [4] // Problem 1567. SMS-spam 28 Aug 2013 10:52 Пример в задаче неправильный. Исправьте стоимость на 111. Example isn't correct. Change cost from 114 to 111. Vedernikoff 'Goryinyich' Sergey (HSE: АОП) Re: Сообщение для автора. Message for an author. // Problem 1567. SMS-spam 28 Aug 2013 18:04 Oh, how clever you are! 5000+ authors ACed this very difficult problem, and only you noticed the incorrect example. Evgeniy[VVV] Re: Сообщение для автора. Message for an author. // Problem 1567. SMS-spam 19 Aug 2014 19:45 Are you counted it? ahhaha you are very patient Burke Re: Сообщение для автора. Message for an author. // Problem 1567. SMS-spam 21 Mar 2015 17:09 It is correct. The answer is 114. pavel Re: Сообщение для автора. Message for an author. // Problem 1567. SMS-spam 1 May 2015 22:53 Пробелы считают за 1 Nextatix Runtime error 4 // Problem 2002. Test Task 1 May 2015 19:59 switch(in.sval) { case "register": { in.nextToken(); log=in.sval; if(log==null) log=Integer.toString((int)in.nval); in.nextToken(); pas=in.sval; if(pas==null) pas=Integer.toString((int)in.nval); if(m.containsKey(log)) out.println("fail: user already exists"); else { m.put(log,pas); out.println("success: new user added"); } } break; case "login": { in.nextToken(); log=in.sval; if(log==null) log=Integer.toString((int)in.nval); in.nextToken(); pas=in.sval; if(pas==null) pas=Integer.toString((int)in.nval); if(!m.containsKey(log)) out.println("fail: no such user"); else if(!m.get(log).equals(pas)) out.println("fail: incorrect password"); else if(a.contains(log)) out.println("fail: already logged in"); else { a.add(log); //out.println(m.get(log) + " " + pas); out.println("success: user logged in"); } } break; case "logout": { in.nextToken(); log=in.sval; if(log==null) log=Integer.toString((int)in.nval); if(!m.containsKey(log)) out.println("fail: no such user"); else if(!a.contains(log)) out.println("fail: already logged out"); else { a.remove(log); out.println("success: user logged out"); } } break; } Penguin WA16 // Problem 1104. Don’t Ask Woman about Her Age 1 May 2015 11:11 Got WA on test 16. I've read previos posts about test "123", i have base 4 for this test. Lena Wrong answer 7. help please. pascal // Problem 1496. Spammer 1 May 2015 10:47 var a:array[1..101] of string; b:array[1..101] of integer; k,n,i,j,t,max,p:integer; x:string; begin k:=1; readln(n); readln(x); a[1]:=x; for i:=2 to n do begin readln(x); for j:=1 to k do if x=a[j] then b[j]:=b[j]+1; for j:=1 to k do if x<>a[j] then a[k+1]:=x; k:=k+1; end; for t:=1 to n do if b[t]>=max then max:=b[t]; for p:=1 to n do if b[p]=max then writeln(a[p]); end. shubham whats wrong????? [1] // Problem 1409. Two Gangsters 8 Jul 2014 00:57 #include<stdio.h> void main() { int harry, larry; int sum; int harryleft, larryleft; scanf("%d%d", harry, larry); sum = (harry + larry)-1; harryleft = sum - harry; larryleft = sum - larry; printf("%d%d", harryleft, larryleft); return 0; } Ealham Al Musabbir Re: whats wrong????? // Problem 1409. Two Gangsters 1 May 2015 10:39 Here's the necessary changes: int main() scanf("%d%d", &harry, &larry); BinaryMind [RAU] WA #48 What it can be? // Problem 1875. Angry Birds 30 Apr 2015 22:30 I passed it, there was an defect in my algo :-) Edited by author 30.04.2015 23:51 maxi there is a solution with almost O(n) [1] // Problem 1146. Maximum Sum 17 Feb 2015 12:34 #include <iostream> using namespace std; int n,A[1002],i,maxi,S[1002],st,dr,rez; int main() { cin>>n; for(i=1;i<=n;i++) cin>>A[i]; S[1]=A[1]; for(i=1;i<=n;i++) if(S[i-1]<=0) S[i]=A[i]; else S[i]=A[i]+S[i-1]; rez=-1000000; for(i=1;i<=n;i++) if(S[i]>rez) rez=S[i]; cout<<rez; return 0; } organmusic Re: there is a solution with almost O(n) // Problem 1146. Maximum Sum 29 Apr 2015 20:50 it's just a joke, isn't it? ₰ҟᾷ®ßὂνṑγ (ONPU) WA7 in C# [3] // Problem 1067. Disk Tree 5 Mar 2009 18:20 You have to use StringComparer with parameter StringComparison.Ordinal to pass WA7 in CSharp. I've got AC in this way. gamejifan Re: WA7 in C# [1] // Problem 1067. Disk Tree 13 Apr 2009 16:10 Thankyou ░▒ Nguyễn Kim Vỹ ▒░ Re: WA7 in C# // Problem 1067. Disk Tree 23 Jul 2010 16:56 Thank you very much! mberdyshev Re: WA7 in C# // Problem 1067. Disk Tree 28 Apr 2015 22:35 Thanks a lot! Илья WA8? // Problem 1280. Topological Sorting 28 Apr 2015 16:16 I dont understand why i get WA # 8 Valery How i can enter input. [6] // Problem 1006. Square Frames 15 Sep 2007 00:07 please help me. I write program,but I can not test it, because I dont know how to enter a test. Alias (Alexander Prudaev) Re: How i can enter input. [1] // Problem 1006. Square Frames 15 Sep 2007 00:25 for i := 1 to n do readln(s[i]); Alias (Alexander Prudaev) Re: How i can enter input. // Problem 1006. Square Frames 15 Sep 2007 00:28 use standart windows notepad when you press CTRL you can can use numpad to enter ASCII Codes of symbols open notepad: press ALT press 2 on numpad (digit keyboard on rigth side of keyboard) press 1 press 8 release ALT and you see Edited by author 15.09.2007 00:29 Sean38 Re: How i can enter input. [3] // Problem 1006. Square Frames 8 Dec 2007 17:29 This is the sample input:(just copy it and look it in DOS) .................................................. .................................................. .................................................. .................................................. .................................................. .................................................. ...........谀哪哪?............................... ...........?....?............................... ....谀哪哪某.....?.........谀?.................. ....?.....?....?.........??.................. ....?.....?....?.........滥?.................. ....?.....?...诔哪哪?............谀?.......... ....?.....滥哪哪?...?............??.......... ....?.....?...?....?............滥?.......... ....?.....?...?....?........谀目.............. ....滥哪哪馁....?....?........?.?............. ................?....?........?.?............. ................滥哪哪?........滥馁.............. .................................................. .................................................. Edited by author 08.12.2007 17:30 Edited by author 08.12.2007 17:30 Alias (Alexander Prudaev) Re: How i can enter input. [1] // Problem 1006. Square Frames 8 Dec 2007 19:53 by the way you can use font "lucida console" or "terminal" Daniel Mahu Re: How i can enter input. // Problem 1006. Square Frames 4 Apr 2009 22:42 I use #ifndef ONLINE_JUDGE in C and read the input in the same format as the output should look like, then draw the squares with C code in my program - makes testing much easier. Vovka1 Re: How i can enter input. // Problem 1006. Square Frames 28 Apr 2015 07:05 Set you console encoding 1252 before input(c++ : system("chcp 1252");) Copy past below. Do not change encoding of browser (it should be UTF-8), other way it convert to 2 byte sequence. You can try to copy this to standard windows notepad. If using Notepad++, set encoding to UTF8 before paste. Should work. .................................................. .................................................. .................................................. .................................................. .................................................. .................................................. ...........ÚÄÄÄÄÄ¿................................ ...........³.....³................................ ....ÚÄÄÄÄÄij.....³..........ÚÄ¿................... ....³......³.....³..........³.³................... ....³......³.....³..........ÀÄÙ................... ....³......³....Ú³ÄÄÄÄ¿.............ÚÄ¿........... ....³......ÀÄÄÄÄÄÙ....³.............³.³........... ....³......³....³.....³.............ÀÄÙ........... ....³......³....³.....³.........ÚÄÄ¿.............. ....ÀÄÄÄÄÄÄÙ....³.....³.........³..³.............. ................³.....³.........³..³.............. ................ÀÄÄÄÄÄÙ.........ÀÄÄÙ.............. .................................................. .................................................. Additional input: .................................................. .................................................. .................................................. .................................................. .................................................. .................................................. ...........ÚÄÄÄÄÄ¿................................ ...........³.....³................................ ....ÚÄÄÄÄÄij.....³......ÚÄ¿ÄÚÄ¿................... ....³......³.....³......³.³.³.³................... ....³......³.....³......ÀÄÙÄÀÄÙ................... ....³......³....Ú³ÄÄÄÄ¿.............ÚÄ¿........... ....³......ÀÄÄÄÄÄÙ....³.............³.³........... ....³......³....³.....³.............ÀÄÙ........... ....³......³....³.....³.........ÚÄÄ¿.............. ....ÀÄÄÄÄÄÄÙ....³.....³.........³..³.............. ................³.....³.........³..³.............. ................ÀÄÄÄÄÄÙ.........ÀÄÄÙ.............. .................................................. .................................................. Edited by author 28.04.2015 07:40 Mihail Tip // Problem 1488. ACM Poker 28 Apr 2015 01:19 Be careful to check if the two cards in Dima's sleeve are the same! Vladimir Yakovlev (USU) C# programming language is supported now (+) [7] 31 Dec 2006 01:28 The compiler is Microsoft ® Visual C# 2005 Compiler version 8.00.50727.42 (.NET Framework 2.0). The most of problems can be solved using C#, except for those that can't be solved with Java (1220, 1275, 1306). Edited by author 31.12.2006 01:31 Vladimir Yakovlev (USU) Sample solution for A+B Problem in C# (+) [6] 31 Dec 2006 01:36 using System; public class Sum { public static void Main() { string[] tokens = Console.ReadLine().Split(' '); Console.WriteLine(int.Parse(tokens[0]) + int.Parse(tokens[1])); } } Vladimir Yakovlev (USU) If you need to read or write double (+) [5] 5 Jan 2007 22:59 If you need to read or write double in your program, do not forget set culture to InvariantCulture: Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture; Vladimir Yakovlev (USU) One more hint for C# programmers (+) [4] 10 Jan 2007 20:01 In some problems numbers are not necessarily separated with single space. Use Console.ReadLine().Split(new char[] {' ', '\t'}, StringSplitOptions.RemoveEmptyEntries) instread of Console.ReadLine().Trim().Split(' ') Vladimir Yakovlev (USU) C# compiler updated [2] 8 Feb 2009 02:57 C# compiler has been updated to Microsoft Visual C# 2008 version 3.5.30729.1 (.NET Framework 3.5) Vladimir Yakovlev (USU) FAQ section on C# added (-) [1] 12 Feb 2009 03:03 Vladimir Yakovlev (USU) The default decimal separator is now set to “.” (+) 13 Feb 2009 03:46 The default decimal separator is now set to “.” All C# submissions to problems with floating-point numbers in input or output were rejudged. The verticts of about 800 submissions of 100 authors were changed. Anton Pavlov Re: One more hint for C# programmers (+) 27 Apr 2015 21:04 I have try to make some optimisation of input-output, but native read of stream does not bring some significant effect, and try of use Win32 api functions faults with runtime error on test 1 of task 1000. Where is the way to looking for? organmusic error answer at test 10 -- how to find out what is wrong? // Problem 1842. Local Roots 26 Apr 2015 17:56 All of my home-made tests have been passed succesfully but what is the test 10 which gives an error? How to get the test and what result should be for it? Edited by author 26.04.2015 18:07 lex_t Test 1 // Problem 1106. Two Teams 26 Apr 2015 15:08 Hi, I have a solution which seems correct. For the first test it gives me the following answer: 4 1 4 5 6 I consider, it fits to the problem statement. Could anyone clarify, what is going wrong? My algorithm is based on BFS and I always mark start vertex in a connected component as a first team vertex. int main() { // ios_base::sync_with_stdio(false); int n,sum; while(cin>>n) { sum=0; if(n<0) for(int i=1; i>=n; i--) sum+=i; else sum=(n*(n+1))/2; cout<<sum<<endl; } return 0; } [RISE] Levon Oganesyan [RAU] If you have WA14 // Problem 1891. Language Ocean 25 Apr 2015 03:34 3 a() : int a(int) : real a(real) : int 3 int x = a() auto y = a(x) auto z = a(y) WA14 program says Error on line 3: No such function But right answer is y : real z : int test What is 5 test [3] // Problem 1984. Dummy Guy 19 Oct 2013 15:45 please write the 5 test. I got wrong answer Uzbek boy Re: What is 5 test [2] // Problem 1984. Dummy Guy 19 Oct 2013 17:11 It must be N=10; But i dont know answer for N=10 Leonid Re: What is 5 test [1] // Problem 1984. Dummy Guy 19 Oct 2013 21:33 Epsilon... Precision... Who cares, huh? Edited by author 19.10.2013 21:33 Jumabek Alikhanov Re: What is 5 test // Problem 1984. Dummy Guy 24 Apr 2015 14:28 Thanks Leonid I should learn to pay attention! aclsh Can someone give me some detailed explanations about his solutions to this problem? // Problem 1791. Uncle Styopa and Buses 23 Apr 2015 22:25 My email is 843539450@qq.com,Thank you very much~ Nujarin Can you give me some test [4] // Problem 1353. Milliard Vasya's Function 14 Apr 2006 23:33 Cos My English is Bad I don't Understand this Problem PS. Thank you Hayk Blrtsyan Re: Can you give me some test // Problem 1353. Milliard Vasya's Function 17 Sep 2007 20:34 Here is tests 1 _ 10 2 _ 45 3 _ 165 5 _ 1287 6 _ 3003 Fatemeh Re: Can you give me some test [2] // Problem 1353. Milliard Vasya's Function 1 Dec 2011 17:34 11 -> 75501 15 -> 478731 20 -> 2714319 45 -> 40051495 Nikunj Banka My program satisfies all test but still give wrong answer on first test [1] // Problem 1353. Milliard Vasya's Function 5 Oct 2013 20:47 Please provide some more tests who have passed the problem BSN Re: My program satisfies all test but still give wrong answer on first test // Problem 1353. Milliard Vasya's Function 23 Apr 2015 17:54 30 - 22505751 40 - 45433800 50 - 25614639
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