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Общий форумAnton Pavlov Ни чего не понимаю. [1] // Задача 2049. Химия 4 май 2015 14:05 4 2 1 => 2 0 1 1 1 4 3 => 2 0 2 0 1 3 1 => 4 0 0 0 1 1 5 => 4 в 1 => нестабильная смесь => улетает чистый кислород. Waldis Re: Ни чего не понимаю. // Задача 2049. Химия 4 май 2015 21:53 1 1 1 1 1 2 1 =>2 0 1 1 1 4 3 =>2 0 2 0 1 3 1 =>4 0 0 0 1 1 5 =>3 0 0 0 2 Alexander Kouprin how it can be solved in 0.062? [3] // Задача 1595. Совершенная последовательность 3 авг 2009 03:23 I had found O(n) solution but I need to out ~2.7 Mb. It's takes ~0.12 sec. So, how this problem can be solved in 0.062? Alexander Kouprin Re: how it can be solved in 0.062? [2] // Задача 1595. Совершенная последовательность 5 авг 2009 06:03 So, nobody wants to answer me. It's pity. Erop [USU] Re: how it can be solved in 0.062? [1] // Задача 1595. Совершенная последовательность 9 май 2012 00:15 printf too slow you can use fwrite(), but first you need to translate the numbers into a string Sunnat Re: how it can be solved in 0.062? // Задача 1595. Совершенная последовательность 4 май 2015 20:37 fwrite() also too slow ))) MVM To admins: weak tests? [1] // Задача 2050. 3D-моделирование 3 май 2015 18:59 My first solution outputs points P and Q with coordinates more than 2000 on test 0 1000 0 1000 999 0 0 0 0 1 0 0 but passes jury tests. Edited by author 03.05.2015 19:00 Edited by author 03.05.2015 19:08 Edited by author 03.05.2015 20:28 sklyack Re: To admins: weak tests? // Задача 2050. 3D-моделирование 4 май 2015 05:17 Also, one of my solutions fails on tests -1 1 0 0 0 0 1 1 0 0 0 0 0 0 0 -1 1 0 1 0 0 2 1 0 naik Single-line solution in Java [1] // Задача 1224. Спираль 12 апр 2014 02:48 System.out.println((Math.min(N - 1L, M - 1L) << 1) + (N > M ? 1 : 0)); Nextatix Re: Single-line solution in Java // Задача 1224. Спираль 3 май 2015 22:10 cool! lakerka IO tips and other // Задача 1098. Questions 3 май 2015 20:43 First of all make sure that you are not reading newlines and carriage return symbols. Input can be read like: char c; int scanfRez; do { scanfRez = scanf("%c", &c); if (scanfRez != EOF && c != '\n' && c != '\r') { chs[chCount++] = c; } }while(scanfRez != EOF); I was getting WA7 with this input reading: char c; int scanfRez; do { scanfRez = scanf("%c", &c); if (c != '\n' && c != '\r') { chs[chCount++] = c; } }while(scanfRez != EOF); If you get WA3 make sure that you are processing sequence correctly with given sequence length > N. For example: let N = 11, input sequence = "abcdefghijkl" (without quotes) then letters should be removed in this order: k 1 j 2 l 3 b 4 e 5 i 6 g 7 h 8 d 9 a 10 c 11 f 12 It does not matter if you put newline at the end of output. dmafa two components // Задача 1020. Ниточка 3 май 2015 12:46 Boost up your brains, coders. Length of the thread is just sum of two simple components. One is the polygon perimeter, the other is [think on yourself, mate. The other component contains PI number]. Hello to your school teacher of elementary geometry. Tigran Hakobyan USEFUL TESTS // Задача 1888. Стаж пилотов 2 май 2015 14:47 4 5 1 2 2 3 3 4 4 5 7 6 1 2 2 3 3 4 4 1 4 5 5 6 6 1 2 5 1 2 2 3 2 4 1 2 3 4 3 4 3 1 1 2 2 4 4 4 1 2 3 1 2 4 3 4 3 3 1 2 2 3 1 3 Abdullajon To Admins. // Задача 1274. Fractional Arithmetic 2 май 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] // Задача 1567. SMS-спам 28 авг 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. // Задача 1567. SMS-спам 28 авг 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. // Задача 1567. SMS-спам 19 авг 2014 19:45 Are you counted it? ahhaha you are very patient Burke Re: Сообщение для автора. Message for an author. // Задача 1567. SMS-спам 21 мар 2015 17:09 It is correct. The answer is 114. pavel Re: Сообщение для автора. Message for an author. // Задача 1567. SMS-спам 1 май 2015 22:53 Пробелы считают за 1 Nextatix Runtime error 4 // Задача 2002. Тестовое задание 1 май 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 // Задача 1104. Не спрашивай даму о возрасте 1 май 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 // Задача 1496. Спамер 1 май 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] // Задача 1409. Два бандита 8 июл 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????? // Задача 1409. Два бандита 1 май 2015 10:39 Here's the necessary changes: int main() scanf("%d%d", &harry, &larry); BinaryMind [RAU] WA #48 What it can be? // Задача 1875. Angry Birds 30 апр 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] // Задача 1146. Maximum Sum 17 фев 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) // Задача 1146. Maximum Sum 29 апр 2015 20:50 it's just a joke, isn't it? ₰ҟᾷ®ßὂνṑγ (ONPU) WA7 in C# [3] // Задача 1067. Структура папок 5 мар 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] // Задача 1067. Структура папок 13 апр 2009 16:10 Thankyou ░▒ Nguyễn Kim Vỹ ▒░ Re: WA7 in C# // Задача 1067. Структура папок 23 июл 2010 16:56 Thank you very much! mberdyshev Re: WA7 in C# // Задача 1067. Структура папок 28 апр 2015 22:35 Thanks a lot! Илья WA8? // Задача 1280. Topological Sorting 28 апр 2015 16:16 I dont understand why i get WA # 8 Valery How i can enter input. [6] // Задача 1006. Квадратные рамки 15 сен 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] // Задача 1006. Квадратные рамки 15 сен 2007 00:25 for i := 1 to n do readln(s[i]); Alias (Alexander Prudaev) Re: How i can enter input. // Задача 1006. Квадратные рамки 15 сен 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] // Задача 1006. Квадратные рамки 8 дек 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] // Задача 1006. Квадратные рамки 8 дек 2007 19:53 by the way you can use font "lucida console" or "terminal" Daniel Mahu Re: How i can enter input. // Задача 1006. Квадратные рамки 4 апр 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. // Задача 1006. Квадратные рамки 28 апр 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 // Задача 1488. Покер-АСМ 28 апр 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 дек 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 дек 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 янв 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 янв 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 фев 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 фев 2009 03:03 Vladimir Yakovlev (USU) The default decimal separator is now set to “.” (+) 13 фев 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 апр 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?
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