src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
import java.io.*; import java.util.*; public class A { FastScanner in; PrintWriter out; void solve() { long a = in.nextLong(), b = in.nextLong(); long ans = 0; while (true) { long div = a / b; ans += div; a -= div * b; if (a == 0) { break; } long tmp = a; a = b; b = ...
constant
343_A. Rational Resistance
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; import java.awt.Point; public class Main { //static final long MOD = 1000000007L; //static final long MOD2 = 1000000009L; static final long MOD = 998244353L; //static final long INF = 500000000000L; static final int INF = 1000000005; ...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.HashSet; import java.util.Set; import java.util.StringTokenizer; public class Houses implements Runnable { private void solve() throws IOException { int n = nextInt(); ...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StreamTokenizer; import java.util.Arrays; import java.util.HashSet; public class E17 { static StreamTokenizer in; static PrintWriter out; static int nextInt() throws IOException...
linear
17_A. Noldbach problem
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.System.out; public class Main { private FastScanner scanner = new FastScanner(); public static void main(String[] args) { new Main().solve(); } private List<Integer>[] gr = new ArrayList[1000_000+5]; private int dp[][] = new ...
nlogn
980_E. The Number Games
CODEFORCES
import java.awt.Point; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.List; import java.util.Scanner; /** * * @author epiZend */ public class Cottage { public static void main(String[] args) { Scanner sc = new Scanner(System.in); in...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Test { public static void main(String[] args) throws IOException{ BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); //StringTokenizer st=new StringToken...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class D5 implements Runnable { final double eps = 1e-9; private void Solution() throws IOException { double a = nextDouble(), v = nextDouble(); doubl...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; /* * To change this template, choose Tools | Templates * and open the template in the editor. */ /** * * @author Trung Pham */ public class E { public stat...
np
16_E. Fish
CODEFORCES
import java.io.*; import java.util.*; public class Main { static final int primeCount = 452; static final int[] prime = new int[primeCount]; static void build_prime() { boolean[] notPrime = new boolean[3200]; for (int i = 2; i < 3200; i++) { if (notPrime[i]) continue; ...
cubic
1497E2
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.io.BufferedWriter; import java.io.Writer; import java.io.OutputStreamWriter; import java.util.InputMismatchException; import java.io.IOException; import java.io.Input...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.io.*;import java.util.*; import java.math.*; public class Main{ static int max=Integer.MAX_VALUE,min=Integer.MIN_VALUE; static BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); static StringTokenizer st; static int max(int a,int b) { return Math.max(a, b); } st...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.awt.Point; import java.util.Arrays; import java.util.Scanner; public class p15a { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int t = in.nextInt(); if(n == 1) { System.out.println(2); return...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.*; import java.util.*; public class CF1515E{ public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int md = sc.nextInt(); int k = (n + 1) / 2; int[][] dp = new int[k + 1][n + 1]; dp[0][0] = 1; for (int h = 1; h <= k; h++) for (int l = h; l <...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.util.Scanner; /** * Created by misanand on 9/20/14. */ public class Recovery { public static void main(String [] args) { Scanner scan = new Scanner(System.in); int N = scan.nextInt(); if( N%2 == 0) { System.out.println( (4)+" "+(N-4)); } else System...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; public class nA { Scanner in; PrintWriter out; void solve() { int n = in.nextInt(); int a[] = new int[n]; int sum = 0; for (int i = 0; i < n; i++) { a[i] = in.nextInt(); ...
nlogn
160_A. Twins
CODEFORCES
import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.io.Writer; import java.util.Arrays; import java.util.InputMismatchException; import java.util.*; import java.io.*; imp...
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.*; import java.io.*; public class Main { static HashMap<Integer,Integer> hm; static int[] array; static boolean marked[]; static int a , b ; static int[] ans ; public static void main( String args[]) { Scanner sc = new Scanner(System.in); int n ; n = sc.nextInt(); a = sc.nextInt...
linear
468_B. Two Sets
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; /** * Built using CHelper plug-in * Actual solution is at the top */ public class Main { public static void main(String[] args) { ...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.util.*; import java.io.*; public class CFB { static int n; static FastScanner in; public static void main(String[] args) throws Exception { in = new FastScanner(System.in); n = in.nextInt(); int a = query(1); if(((a % 2)+2) % 2== 1){ System.out.printl...
logn
1019_B. The hat
CODEFORCES
import java.security.KeyException; import java.util.HashMap; import java.util.Scanner; import java.util.TreeMap; public class P15A { public static void main (String [] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(), t = scan.nextInt(); TreeMap<Integer,Integer> ...
nlogn
15_A. Cottage Village
CODEFORCES
//q4 import java.io.*; import java.util.*; import java.math.*; public class q4 { public static void main(String[] args) { Scanner in = new Scanner(System.in); PrintWriter out=new PrintWriter(new OutputStreamWriter(System.out)); int query = in.nextInt(); while (qu...
quadratic
1196_D2. RGB Substring (hard version)
CODEFORCES
import java.awt.List; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStream; import java.io.OutputStreamWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.HashSet; import java.util.PriorityQueue; import java.util.Random; import java.ut...
logn
1080_D. Olya and magical square
CODEFORCES
import static java.math.BigInteger.*; import static java.util.Arrays.*; import java.io.*; import java.lang.reflect.*; import java.util.*; public class A { final int MOD = (int)1e9 + 7; final double eps = 1e-12; final int INF = (int)1e9; public A () { int N = sc.nextInt(); int K = sc.nextInt(); Long [] A ...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.util.*; import java.io.*; public class A { public static void main(String ar[]) throws Exception { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); long k=Long.parseLong(br.readLine()); long l=1,h=1000000000000l; long p[]=new...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.*; import java.util.*; /* TASK: CFC LANG: JAVA */ public class CFC { static int n; static int[][] dp; static boolean[] s; public static void main(String[] args) throws IOException { FastScanner in = new FastScanner(System.in); //new FileInputStream(new File("CFC.in"))); ...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class C { //dp[firstInLoop][index][indentLevel] private static int[][][] dp; private static boolean[] wasLoop; private static...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author Pradyumn */ public class M...
logn
1019_B. The hat
CODEFORCES
import java.io.*; import java.util.*; public class Main { public static void main(String args[]) { FastReader input=new FastReader(); PrintWriter out=new PrintWriter(System.out); int T=input.nextInt(); while(T-->0) { int n=input.nextInt(); int b[]=...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; import java.awt.geom.*; public class FunctionHeight { public static void main(String[] args) { MyScanner sc = new MyScanner(); long n = sc.nl(); long k = sc.nl(); long ans = (n+k-1)/n; System.out.println(ans); } ...
constant
1036_A. Function Height
CODEFORCES
import java.io.*; import java.util.*; public class C35C_BFS_Fire { public static boolean[][] burning; public static LinkedList<int[]> LitTrees; //which is best to use public static int N, M; public static int[] lastTree; public static void main(String[] args) throws IOException { // InputSt...
cubic
35_C. Fire Again
CODEFORCES
import java.util.*; import java.io.*; public class Main { static class Reader { final private int BUFFER_SIZE = 1 << 16; private DataInputStream din; private byte[] buffer; private int bufferPointer, bytesRead; public Reader() { din = new DataInp...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.*; public class Main { static double arr[][]; public static void main(String[] args) { try { Parserdoubt pd=new Parserdoubt(System.in); PrintWriter pw=new PrintWriter(System.out); int fishes=pd.nextInt(); arr=new double[fishes][f...
np
16_E. Fish
CODEFORCES
import java.io.*; import java.util.*; public class A { static void solve() throws IOException { long a = nextLong(), b = nextLong(); long answer = get(a, b); out.println(answer); } private static long get(long p, long q) { if (p == 0) { return 0; } if (q == 1) { return p; } if (p == 1) { ...
constant
343_A. Rational Resistance
CODEFORCES
import java.io.*; import java.util.*; public class A { public static void main(String[] args) throws Throwable { new A().go(); } void p(String s) { System.out.println(s); } void go() throws Throwable { BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); String[]...
constant
343_A. Rational Resistance
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class BetaRound23_A implements Runnable { final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE") != null; BufferedReader in; PrintWriter out; StringTokenizer tok = new StringTokenizer(""); void init() throws IOException { i...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.OutputStream; import java.io.InputStreamReader; import java.io.FileNotFoundException; import java.io.File; import java.util.StringTokenizer; import java.io.Writer; import java.io.BufferedReade...
quadratic
908_C. New Year and Curling
CODEFORCES
/** * author: derrick20 * created: 11/11/20 1:03 PM */ import java.io.*; import java.util.*; import static java.lang.Math.*; public class OnTheBench { public static void main(String[] args) { setupCombo(301); FastScanner sc = new FastScanner(); PrintWriter out = new PrintWriter(System.ou...
cubic
840_C. On the Bench
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; import java.util.Map.Entry; public class cf2{ static int x0; static int y0; static int x1; static int y1; static HashMap<Integer,HashSet<Inte...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.io.*; public class B14G { public static void main(String[] args) throws IOException { init_io(); int t = nint(); while(t-- > 0) { int N = nint(); if (N % 2 != 0) { out.println("NO"); continue; } N /= 2; ...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.util.Scanner; public class BB { public static void main(String[] args) { Scanner sc=new Scanner(System.in); long a=sc.nextLong(); long b=sc.nextLong(); if(b-a>(long)2){ if(a%(long)2==0){ System.out.print(a+" "+(a+1)+" "+(a+2)); return; }else{ System.out.print(a+1+" "+(a+2)+" "+(a+3)); ...
constant
483_A. Counterexample
CODEFORCES
import java.io.*; import java.util.HashMap; import java.util.Map; public class Round364_div2_C { public static void main(String[] args) throws IOException { FastReader in = new FastReader(System.in); PrintWriter out = new PrintWriter(System.out); solve(in, out); out.flush(); } ...
linear
701_C. They Are Everywhere
CODEFORCES
import java.io.*; import java.util.StringTokenizer; /** * Codeforces 11D - A Simple Task * Created by Darren on 14-10-21. * O(2^n * n^2) time and O(2^n * n) space. * * Tag: dynamic programming, bitmask, graph */ public class D { Reader in = new Reader(System.in); PrintWriter out = new PrintWriter(System...
np
11_D. A Simple Task
CODEFORCES
import java.util.*; public class A { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); System.out.println("0 0 " + n); } }
constant
199_A. Hexadecimal's theorem
CODEFORCES
import java.util.List; import java.util.Map; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.ArrayList; import java.util.HashMap; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java....
linear
468_B. Two Sets
CODEFORCES
// Created by Whiplash99 import java.io.*; import java.util.*; public class A { public static void main(String[] args) throws IOException { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); long N,K,tmp,ans=0; String s[]=br.readLine().trim().split(" "); N=...
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.*; public class NewEmpty { public static void main(String[] args) { Scanner blabla=new Scanner(System.in); long a,b,c=0,d; a=blabla.nextLong(); b=blabla.nextLong(); while (b!=0){ c+=(a/b); a=a%b; d=a; a=b; ...
constant
343_A. Rational Resistance
CODEFORCES
import java.util.Scanner; public class A470 { /** * @param args */ public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n=sc.nextInt(); int start=4; while(true){ if((start%2==0||start%3==0)&&((n-start)%2==0||(n-start)%3==0)) { System.out.println(start+" "+(...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.util.* ; public class PythonIndentation { public static void main(String args[]) { Scanner in = new Scanner(System.in) ; int n = in.nextInt() ; boolean[] lst = new boolean[n] ; for(int i=0;i<n;i++) { lst[i] = (in.next().equals("s"))?false:true ; } System.out.println(dp(lst)) ; } sta...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Main { public static void main(String[] args) throws IOException { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); StringTokenize...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.*; import java.util.*; public class Main { public static void main(String args[]) { FastReader input=new FastReader(); PrintWriter out=new PrintWriter(System.out); int T=1; while(T-->0) { long k=input.nextLong(); long v=9; ...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.*; import java.util.*; public class Kaudo { static Reader in =new Reader(); static StringBuilder Sd=new StringBuilder(); static long ans,res,lot,max; static List<Integer>gr[]; static ArrayList<Integer> A=new ArrayList(); static String ch[]; public static void main(String [...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Iterator; import java.util.Set; import java.util.HashMap; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; import java.util.Map; import java.ut...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; import static java.lang.Math.*; public class Main2 { private FastScanner scanner = new FastScanner(); public static void main(String[] args) { new Main2().solve(); } private void...
nlogn
976_C. Nested Segments
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.Iterator; import java.io.BufferedWriter; import java.util.InputMismatchException; import java.util.Random; import java.io.IOException; i...
linear
701_C. They Are Everywhere
CODEFORCES
import java.util.Scanner; /** * Feb 18, 2016 | 4:00:49 PM * <pre> * <u>Description</u> * * </pre> * * @author Essiennta Emmanuel (colourfulemmanuel@gmail.com) */ public class ProblemA{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); sc.next(); Syst...
constant
630_A. Again Twenty Five!
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.StringTokenizer; public class A { public static void main(String[] args) throws Exception { new A().doit(); } private void doit() throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); S...
constant
343_A. Rational Resistance
CODEFORCES
import java.util.*; import java.io.*; public class Solution1 { private void solve() throws IOException { long MOD = 1_000_000_007; long x = in.nextLong(); long k = in.nextLong(); if (x == 0) { System.out.println(0); return; } long val = binp...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.io.*; import java.util.*; public class f { static int n; static double[][] g; public static void main(String[] args) throws IOException { input.init(System.in); PrintWriter out = new PrintWriter(System.out); n = input.nextInt(); g = new double[n][n]; for(int i = 0; i<n; i++) for(int j = 0; j<n; j++...
np
16_E. Fish
CODEFORCES
/** * Created by Baelish on 6/18/2018. */ import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.util.Arrays; import java.util.InputMismatchException; public class C_3 { public static void main(String[] args) throws Exception { FastRe...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.util.*; public class Solution { public static void main(String[] args) { Scanner sc = new Scanner(System.in); long n = sc.nextLong(); long itrIdx = 0; long itr = 0; long num = 0; while(itrIdx < n){ itrIdx += (itr+1)*(Math.pow(10,itr+1) - Math.pow(10,...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.FileReader; import java.io.InputStreamReader; import java.io.InputStream; ...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class Main { public static void main (String[] args) { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); try { String parameterStringList[] = reader.readLine(...
constant
1054_A. Elevator or Stairs?
CODEFORCES
/** * Codeforces Beta Round #10 * * @author ProjectYoung */ import java.util.Scanner; public class CF11D { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m = sc.nextInt(); boolean[][] map = new boolean[n][n]; long[][] dp = new long[1 ...
np
11_D. A Simple Task
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual soluti...
quadratic
1027_E. Inverse Coloring
CODEFORCES
//Author: Patel Rag //Java version "1.8.0_211" import java.util.*; import java.io.*; public class Main { static class FastReader { BufferedReader br; StringTokenizer st; public FastReader(){ br = new BufferedReader(new InputStreamReader(System.in)); } String next() { while (st == null |...
nlogn
975_C. Valhalla Siege
CODEFORCES
import java.io.*; import java.util.*; public class cf908G { final static int MOD = 1_000_000_007; public static void main(String[] argv) { cf908G pro = new cf908G(); InputStream fin = null; if (System.getProperty("ONLINE_JUDGE") == null) { try { fin = new FileInputStream("input.txt"); } catch (F...
quadratic
908_G. New Year and Original Order
CODEFORCES
import java.util.ArrayList; import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; import java.util.Arrays; import java.util.Random; import java.io.FileWriter; import java.io.PrintWriter; /* Solution Created: 19:12:30...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; // author @mdazmat9 public class codeforces{ public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); int test = 1; for (int ind = 0; i...
constant
911_C. Three Garlands
CODEFORCES
import java.io.*; import java.util.*; public class Solution { static class FastReader { BufferedReader br; StringTokenizer st; public FastReader(String s) { try { br = new BufferedReader(new FileReader(s)); } catch (FileNotFoundException e) { ...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.io.*; import java.util.*; public class MainG { static StdIn in = new StdIn(); static PrintWriter out = new PrintWriter(System.out); static long M=(long)1e9+7; public static void main(String[] args) { char[] cs = in.next().toCharArray(); int n=cs.length; int[] x = new int[n]; for(int i=0; i<n;...
quadratic
908_G. New Year and Original Order
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; import java.util.function.BiConsumer; import java.util.function.Consumer; import java.util.function.Function; import java.util.function.Supplier; import java.util.stream.Stream; public class C_455 { public static final long[] POWER2 = generatePOWER2()...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.StringTokenizer; public class PrB { public static long time; public static void main(String[] args) throws Exception { time = System.currentTimeMillis(); BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); ...
linear
224_B. Array
CODEFORCES
import java.util.HashSet; import java.util.Scanner; import java.util.Set; public class A { public static void main(String[] args) throws Exception{ String str = new Scanner(System.in).next(); Set<String> set = new HashSet<String>(); String max = ""; for(int l = 1; l < str.length(); ++l){ for(int i = 0; i <...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.*; public class B { static int[] loyality; static int[] level; static int mid; static int a, n; static double sol; public static void getMax(int idx, int rem) { if (idx == loyality.length) { double pos = 0; for (int i = 0; i < (1 << n); i++) ...
np
105_B. Dark Assembly
CODEFORCES
import java.io.*; import java.util.*; public class Main{ static int[][]memo; static int n,m,in[][]; static int dp(int col,int maxRowMask) { if(col>=m)return 0; if(memo[col][maxRowMask]!=-1)return memo[col][maxRowMask]; int ans=0; for(int colMask=0;colMask<(1<<n);colMask++) { int sum=0; for(...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.StringTokenizer; public class C implements Runnable { private static final boolean USE_FILE_IO = false; private static final String FILE_IN = "c.in"; private static final String FILE_OUT = "c.out"; BufferedReader in; PrintWriter out;...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class CodeF { static class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); public String next...
cubic
23_A. You're Given a String...
CODEFORCES
/** * @author Finn Lidbetter */ import java.util.*; import java.io.*; import java.awt.geom.*; public class TaskA { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringBuilder sb = new StringBuilder(); int n = Integ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; public class Main { static Map<BigInteger, BigInteger> mp = new HashMap<BigInteger, BigInteger>(); public static void main(String[] args) { mp.clear(); Scanner cin = new Scanner(new BufferedInputStream(System.in)); BigInteger n...
nlogn
903_D. Almost Difference
CODEFORCES
import java.io.*; import java.util.*; public class Soln { public static int[] io(int n) { int[] d = new int[n]; for (int i=0;i<n;i++) d[i] = f.nextInt(); return d; } public static int binlog( int bits ){ int log = 0; if( ( bits & 0xffff0000 ) != 0 ) { bits >>>= 16; log = 16; } ...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.*; import java.util.Arrays; import java.util.StringTokenizer; import java.util.TreeSet; public class A { final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE") != null; BufferedReader in; PrintWriter out; StringTokenizer tok = new StringTokenizer(""); void solve() throws I...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; public class OlyaAndMagicalSquare { public static void solveCase(FastIO io) { int N = io.nextInt(); long K = io.nextLong(); CountMap cm = new CountMap(); cm.increment(N, BigInteger.ONE); long rem = K; int moves = 1; int sqSize = N; while (sqSi...
logn
1080_D. Olya and magical square
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class Main { Scanner in; PrintWriter out; static class House implements Comparable <House>{ int len; int pos; House(Scanner in){ pos = in.nextInt() * 2; len = in.nextInt() * ...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Scanner; public class CodeForces { public static void main(String[] args) { Scanner input = new Scanner(new BufferedReader(new InputStreamReader(System.in))); System.out.println(input.nextInt() / 2 + 1); } }
constant
964_A. Splits
CODEFORCES
import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; import java.util.Set; import java.util.Map.Entry; import java.util.HashMap; import java.util.Iterator; public class test { public static void main(String[] args) { Scanner input = new Scanner(System.in...
constant
630_A. Again Twenty Five!
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; public class Main { public static void main(St...
np
1102_F. Elongated Matrix
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class Solution { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(), k = in.nextInt(); int x[] = new int[n]; for (int i = 0; i < n; i++) { int p = in.nextInt(), t ...
nlogn
166_A. Rank List
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class CF267A { public static void main(String[] args) { int n=0, a, b; BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in)); try { n = Integer.parseInt(stdin.readLine()); } catch (IO...
constant
267_A. Subtractions
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StreamTokenizer; public class A23 { static StreamTokenizer in; static PrintWriter out; static int nextInt() throws IOException { in.nextToken(); return (int)in.nval; } s...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.Scanner; public class GenerateLogin { public static void main(String[] args) { Scanner scan = new Scanner(System.in); String a = scan.next(); String b = scan.next(); char last = b.charAt(0); String ans = ""+a.charAt(0); for(int i = 1;i<a.length();i++){ if(a.charAt(i)>=last)break; a...
linear
909_A. Generate Login
CODEFORCES
import java.io.*; import java.lang.reflect.Array; import java.util.*; public class Problem implements Runnable { private static final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE") != null; private BufferedReader in; private PrintWriter out; private StringTokenizer tok = new StringTokenize...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.util.*; public class D implements Runnable { public static void main(String[] args) { new Thread(new D()).start(); } BufferedReader br; PrintWriter out; StringTokenizer st; boolean eof; String nextToken() { while (st == null || !st.hasMoreTokens()) { try { st = new Str...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Arrays; import java.util.Comparator; import java.util.HashMap; import java.util.HashSet; import java.util.StringTokenizer; import static java.lang.Integer.*; public class BDiv1 { static int n; static int a; static int b; static HashMap<...
linear
468_B. Two Sets
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual soluti...
linear
701_C. They Are Everywhere
CODEFORCES
/** * Codeforces Beta Round 16 * * @author ProjectYoung */ import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class CF16E { private void solve(InputReader in, PrintWriter o...
np
16_E. Fish
CODEFORCES
import java.io.*; import java.util.*; public class Main { static int m; static long pow(long b, int p) { long ret = 1; while (p > 0) { if ((p&1) == 1) ret = b*ret%m; b = b*b%m; p >>= 1; } return ret; } public static void main(String[] args) throws IOException { int n = readInt(); m = readInt(); ...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.util.Arrays; import java.io.BufferedWriter; import java.io.Writer; import java.io.OutputStreamWriter; import java.util.InputMismatchException; import java.io.IOExcept...
quadratic
980_C. Posterized
CODEFORCES
import java.io.*; import java.util.*; public class CC { public static void main(String[] args)throws Throwable { MyScanner sc=new MyScanner(); PrintWriter pw=new PrintWriter(System.out); n=sc.nextInt(); s=new char [n]; for(int i=0;i<n;i++) s[i]=sc.next().charAt(0); mem=new int [2*n+1][n+1]; for(int...
quadratic
909_C. Python Indentation
CODEFORCES