src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
import java.awt.*; import java.math.BigInteger; import java.text.DecimalFormat; import java.util.*; import java.io.*; public class Main3 { static PrintWriter pr; static Scanner scan; static BufferedReader br; static StringTokenizer st; public static void main(String args[]) throws Exception { ...
quadratic
1209_A. Paint the Numbers
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.util.InputMismatchException; import java.io.IOException; import java.util.ArrayList; import java.util.List; im...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.BitSet; import java.util.HashMap; import java.util.HashSet; import java.util.StringTokenizer; import ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.*; import java.util.*; import java.math.BigInteger; import java.util.Map.Entry; import static java.lang.Math.*; public class G extends PrintWriter { void run() { long mod = 1_000_000_000 + 7; int n = nextInt(); int m = nextInt(); int[] t = new int[n]; int[]...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.io.*; public class coins { public static void main(String args[])throws IOException { InputStreamReader read=new InputStreamReader(System.in); BufferedReader in=new BufferedReader(read); int i,k,n,v; String a; a=in.readLine(); for(i=0;i<a.length();i++) { if(a.charAt(i)==' ') break; }...
constant
1061_A. Coins
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class CottageVillage { public static void main(String[] args){ Scanner scan = new Scanner(System.in); while(scan.hasNext()){ int counter = 0; int numbCottages = scan.nextInt(); int t = scan.nextInt(); House[] cottages = new House[numbCottage...
nlogn
15_A. Cottage Village
CODEFORCES
import java.util.Arrays; import java.util.HashSet; import java.util.Iterator; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int[] nums = new int[n]; for(int i = 0; i < n; i++){ ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; public class Solution { static MyScanner sc; private static PrintWriter out; static long M2 = 1_000_000_000L + 7; private static HashMap<Long, Long>[] mods; public static void main(String[] s) throws Exception { StringBuilder stringBuilder = new Str...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.*; import java.lang.reflect.*; import java.util.*; public class B { final int MOD = (int)1e9 + 7; final double eps = 1e-12; final int INF = (int)1e9; public B () { long N = sc.nextInt(); long X = sc.nextInt() - 1; long Y = sc.nextInt() - 1; long C = sc.nextInt(); long [] A1 = new long ...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scn = new Scanner(System.in); int n = scn.nextInt(); int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class B { static long n, k; public static void main(String[] args) throws Exception { Scanner in = new Scanner(System.in); PrintWriter pw = new PrintWriter(System.out); n = in.nextLong(); k = in.nextL...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class MicroWorld { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = ne...
nlogn
990_B. Micro-World
CODEFORCES
import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.FileReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.ArrayList; import java.util.Arrays; import java.util.Collecti...
linear
468_B. Two Sets
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Arrays; import java.util.Scanner; import java.util.StringTokenizer; public class CF_1029E_Tree_with_Small_Distances { static ArrayList<Integer> adj[]; ...
linear
1029_E. Tree with Small Distances
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Scanner; public class Solution { private static int[] dx = { -1, -1, -1, 0, 0, 1, 1, 1}; private static int[] dy = { -1, 0, 1, -1, 1, -1, 0, 1}; public ...
quadratic
1059_B. Forgery
CODEFORCES
import java.io.PrintWriter; import java.util.Locale; import java.util.Scanner; public class A { public static void main (String[] args){ Scanner in = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); int n = in.nextInt(); out.printf(Locale.US, "%d", n/2*3); out.close(); } }
constant
84_A. Toy Army
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class A { public static void main(String[] args) { new A().run(); } private void run() { Scanner sc =new Scanner(System.in); int n = sc.nextInt(); int k = sc.nextInt(); sc.close(); boolean[] isp = new boolean[n + 1]; Arrays.fill(isp, true); ...
linear
17_A. Noldbach problem
CODEFORCES
import java.io.*; import java.util.ArrayList; import java.util.Arrays; import java.util.StringTokenizer; import java.util.List; import java.util.*; public class realfast implements Runnable { private static final int INF = (int) 1e9; long in= 1000000007; long fac[]= new long[1000001]; long inv[]=ne...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.io.*; import java.util.*; public class B { int n, k, a; int[] b, l; double best; double calc(int i, int r, int c, double p) { if (i == n) { if (c <= n / 2) { p *= 1.0 * a / (a + r); } return p; } else { retur...
np
105_B. Dark Assembly
CODEFORCES
import java.io.*; import java.util.*; public class C{ public static void main(String[] args) throws IOException { // br = new BufferedReader(new FileReader(".in")); // out = new PrintWriter(new FileWriter(".out")); //new Thread(null, new (), "peepee", 1<<28).start(); read(); int t= RI(); while(t-->0) { ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.*; public class a { public static void main(String[] args) { Scanner input = new Scanner(System.in); int n = input.nextInt(); if(n%2 == 0) System.out.println(4+" "+(n-4)); else System.out.println(9+" " +(n-9)); } }
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.*; import java.util.*; public class Main { private static HashMap<String, Integer> nodes; private static void dfs(String cur, PrintWriter out) { if(cur.length() > 0) { out.println(cur.substring(1)); } int children = nodes.get(cur); for(int i = 1; i <= ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */ public ...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.Locale; import java.util.StringTokenizer; import java.util.TreeMap; import java.util.Map.Entry; public class Solution implements ...
np
105_B. Dark Assembly
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.HashSet; import java.util.LinkedList; import java.util.List; ...
constant
630_A. Again Twenty Five!
CODEFORCES
import java.util.*; public class ques1 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int b = sc.nextInt(); ArrayList<Integer> ar=new ArrayList<>(); for(int i=0;i<b;i++){ ar.add(sc.nextInt()); } Collections.sort(ar); ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.math.BigInteger; import java.util.Scanner; import java.util.StringTokenizer; public class Main { static BufferedReader in=new BufferedReader(new InputStreamReader(System.in));...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.util.Scanner; public class ReallyBigNumbers1 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); long n = sc.nextLong(); long s = sc.nextLong(); int r = 0 ; long l = 0L ; long u = n ; ...
logn
817_C. Really Big Numbers
CODEFORCES
import java.io.PrintWriter; import java.lang.reflect.Array; import java.util.Arrays; import java.util.Scanner; public class A { public static void main(String[] args) { Scanner sc = new Scanner(System.in); PrintWriter pw = new PrintWriter(System.out); int n = sc.nextInt(); int a = ...
nlogn
169_A. Chores
CODEFORCES
import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileWriter; import java.io.InputStreamReader; import java.io.PrintStream; import java.io.PrintWriter; import java.io.StringReader; import java.util.ArrayList; import java.util.Arrays...
linear
1_B. Spreadsheets
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class A { /** * @param args */ public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int k = scan.nextInt()-1; team[] t = new team[n]; for(int i = 0 ;i < n ; i++) t[i] = new team(scan.nex...
nlogn
166_A. Rank List
CODEFORCES
import java.io.*; import java.util.*; public class practice { static class Reader { final private int BUFFER_SIZE = 1 << 16; private DataInputStream din; private byte[] buffer; private int bufferPointer, bytesRead; public Reader() { din = new ...
cubic
35_C. Fire Again
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class C { public static void main(String... args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); sc.nextLine(); int[] x = new int[n]; int max=0, pos=-1; for(int i=0; i<n; i++) ...
nlogn
135_A. Replacement
CODEFORCES
import java.util.* ; import java.io.* ; 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...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; public class default_dst { public static void main(String[] args) { in = new FastReader(); int n=ni(); int[] arr=takeIntegerArrayInput(n); HashMap<Long,ArrayList<pair>> h...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.util.HashMap; import java.util.HashSet; import java.util.Map; import java.util.Scanner; import java.util.Set; /** * @author grozhd */ public class P3 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); String s = ""; ...
linear
701_C. They Are Everywhere
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class A { static BufferedReader in; static PrintWriter out; static StringTokenizer st; static Random rnd; void solve() throws IOException { int n = nextInt(); int[] arr = new int[n]; Integer[] arrCopy = new I...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class p472a { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); if (n % 2 == 0) { System.out.println("8 " + (n - 8)); } else { System.out.printl...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); int n = in.nextInt(); out.println(n+"...
constant
199_A. Hexadecimal's theorem
CODEFORCES
import java.awt.Point; import java.io.*; import java.util.Arrays; import java.util.LinkedList; import java.util.Queue; import static java.lang.Integer.*; import static java.lang.Math.*; @SuppressWarnings("unused") public class round35C { static class state{ int x, y, time; public state(int xx, int...
cubic
35_C. Fire Again
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.InputMismatchException; public class P1517D { // author: Nagabhushan S Baddi // PRIMARY VARIABLES private static int n, m, k; privat...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; /** * 111118315581 * * @author pttrung */ public class C { static Point hand; static int n; static Point[] data; static int[] next; static in...
np
8_C. Looking for Order
CODEFORCES
import java.util.*; public class ehab4 { public static void main( String[] args ) { Scanner in = new Scanner( System.in ); int a = 0, b = 0; System.out.println( "? 0 0 " ); System.out.flush(); int c = in.nextInt(); for ( int i = 29; i >= 0; i-- ) { System.out.println( "? " + ( a + ( 1 << i ) ) + ...
logn
1088_D. Ehab and another another xor problem
CODEFORCES
import java.util.*; public class Main { private static Scanner in = new Scanner(System.in); public static void main(String args[]){ int n = in.nextInt(); String s = in.next(); if(n==1) System.out.println("1"); else{ int j=0,i=1,ans=s.length(); int h[]=new int[128]; h[(int)s.charAt(0)]=1; whil...
linear
701_C. They Are Everywhere
CODEFORCES
import java.util.*; public class cf11d { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int m = in.nextInt(); boolean[][] g = new boolean[n][n]; boolean[] ok = new boolean[1<<n]; int[] f = new int[1<<n]; for(int i=1; i<(1<<n); i++) { ok[i] = Intege...
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.Arrays; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */ public class...
nlogn
528_B. Clique Problem
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.IOException; import java.io.UncheckedIOException; import java.io.Closeable; import java.io.Writer; import java.io.OutputStreamWriter; import java.io.InputStream; /** * Built using CHelper p...
logn
713_B. Searching Rectangles
CODEFORCES
/* * PDPM IIITDM Jabalpur * Asutosh Rana */ import java.util.*; import java.io.*; import java.math.*; public class Main { long MOD = 1000000007; InputReader in; BufferedReader br; PrintWriter out; public static void main(String[] args) throws java.lang.Exception { Main solver = new Main(); solver.in = ne...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.BufferedReader; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StreamTokenizer; import java.util.ArrayDeque; import java.util.Arrays; public class Main { private static StreamTokenizer in; private stat...
cubic
35_C. Fire Again
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class loser { static class InputReader { public BufferedReader br; public StringTokenizer token; public InputReader(InputStream stream) { br=new BufferedReader(new InputStreamReader(stream),32768); ...
constant
965_A. Paper Airplanes
CODEFORCES
import java.io.*; import java.util.StringTokenizer; public class Main { static int[] a; public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); int n = sc.nextInt(); a = sc.nextIntArray(n);...
nlogn
986_B. Petr and Permutations
CODEFORCES
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.List; imp...
np
11_D. A Simple Task
CODEFORCES
import java.io.*; import java.util.*; public class A558 { static BufferedReader in = null; static PrintWriter out = null; static StringTokenizer st = new StringTokenizer(""); public static void main(String[] args) { try { in = new BufferedReader(new InputStreamReader(System.in)); out = new Pri...
np
8_C. Looking for Order
CODEFORCES
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.StringTokenizer; public class B { final BufferedReader reader = new BufferedReader(new InputStreamReader(System...
np
8_C. Looking for Order
CODEFORCES
import java.io.*; import java.util.*; public class b { public static void main(String[] args) throws Exception { BufferedReader f = new BufferedReader(new InputStreamReader(System.in)); PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out))); StringTokenizer st = new String...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.util.Scanner; public class GiveString23A { public static void main(String[] args) { Scanner in = new Scanner(System.in); String stroke = in.next(); char[] s = new char [stroke.length()]; for (int i=0;i<stroke.length();i++) s[i]=stroke.charAt(i); ...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.StringTokenizer; /** * Created with IntelliJ IDEA. * User: ira * Date: 3/23/13 * Time: 12:19 PM */ public class B2 { public static void main(String[] args) throws IOEx...
logn
287_B. Pipeline
CODEFORCES
//contest 23. You're Given A String import java.util.*; public class ProblemA { public static void main(String[] args) { Scanner keyboard = new Scanner(System.in); String input = keyboard.nextLine(); boolean con = false; for( int i = input.length()-1; i > 0 ; i--) { for ( int j = 0; j+i< input.length();...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; public class Div1_503B { public static void main(String[] args) throws IOException { BufferedReader reader = new BufferedReader(...
logn
1019_B. The hat
CODEFORCES
//package baobab; import java.io.*; import java.util.*; public class C { public static void main(String[] args) { CIO io = new CIO(); try { Csolver solver = new Csolver(io); solver.solve(); } finally { io.close(); } } } class Csolver { ...
linear
701_C. They Are Everywhere
CODEFORCES
import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.math.BigInteger; public class Main { public static void main(String [] args ) { try{ String str; BufferedReader br = new BufferedReader(new InputStreamReader(System...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.awt.*; import java.io.*; import java.util.*; public class Abc { public static void main(String[] args) throws IOException { // FastReader sc = new FastReader(); Scanner sc=new Scanner(new FileReader("input.txt")); PrintWriter out=new PrintWriter(new File("output.txt")); in...
cubic
35_C. Fire Again
CODEFORCES
import java.util.Scanner; public class p23a { public static void main(String[] args) { Scanner in = new Scanner(System.in); char[] x = in.next().toCharArray(); int min = 0; int max = x.length; while(true) { if(max-min == 1) break; ...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.Scanner; public class C_1523 { static Scanner input = new Scanner(System.in); static int n; public static void main(String[] args) { int t = input.nextInt(); for(int test = 0; test < t; test++){ n = input.nextInt(); int num = input.nextInt(); if(num == 1){ n--; recur(""); ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.*; import java.util.regex.*; import java.text.*; import java.math.*; import java.io.*; public class Mulitple { public static void main(String[] args) throws IOException { BufferedReader r = new BufferedReader(new InputStreamReader(System.in)); String s = r.readLine(); System.out.println(n...
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.util.Set; import java.io.IOException; import java.io.InputStreamReader; import java.util.TreeSet; import java.util.StringTokenizer; import java.io.BufferedReader; import java.io.InputStream; /**...
linear
701_C. They Are Everywhere
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.Reader; import java.io.IOException; import java.util.StringTokenizer; /* * @author Tnascimento */ public class MaeDosDragoes { public static PrintWriter saida = new PrintWriter(System.out, false); public st...
np
839_E. Mother of Dragons
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.HashMap; import java.util.InputMismatchException; import java.io.IOException; import java.util.ArrayList; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution i...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; import java.lang.*; import static java.lang.Math.*; public class Main implements Runnable { static class InputReader { private InputStream stream; private byte[] buf = new byte[1024]; private int curChar; private int numChar...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.HashSet; import java.util.LinkedList; import java.util.List; import java.util.Set; import java.util.StringTokenizer; /** ...
constant
84_A. Toy Army
CODEFORCES
import java.util.*; public class A { public static void main(String args[]) { Scanner sc=new Scanner(System.in); long n=sc.nextLong(); if(n==0) System.out.println(0); else if(n%2==1) System.out.println((n+1)/2); else System.out.println(n+1); } ...
constant
979_A. Pizza, Pizza, Pizza!!!
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; public class Main { static int MOD = 1000000007; // After writing solution, quick scan for: // array out of bounds // special cases e.g. n=1? // npe, particularly in maps // // Big numbers arithmetic bugs: // in...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.util.Scanner; public class MargariteBestPresent_1080B { private static int f(int x) { return (x%2==0)?x/2:(x-1)/2-x; } public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n,r,l; n = sc.nextInt(); while(n-->0) { l = sc.nextInt(); r = sc.nextInt(); Syst...
constant
1080_B. Margarite and the best present
CODEFORCES
import java.util.Scanner; /** * Created by carolineshi on 3/30/17. */ public class Subtractions { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int t = scan.nextInt(); while(t != 0) { int f = scan.nextInt(); int s = scan.nextInt()...
constant
267_A. Subtractions
CODEFORCES
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 = sc.nextLongs(); sort(A); Tre...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.Scanner; public class AAA { public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] array = new int[n]; in...
nlogn
160_A. Twins
CODEFORCES
import java.util.*; import java.io.*; public class Main implements Runnable { private void solution() throws IOException { int n = in.nextInt(); int m = in.nextInt(); boolean[][] adj = new boolean[n][n]; long res = 0; for (int i = 0; i < m; ++i) { int x = in.nextInt(); int y = in.nextInt(); adj[x -...
np
11_D. A Simple Task
CODEFORCES
import java.util.ArrayList; import java.util.Collections; import java.util.Scanner; public class CodeforcesRound159 { /** * @param args */ public static void main(String[] args) { Scanner kde = new Scanner(System.in); int n =kde.nextInt(); //���������� ������� �������� int m =kde.nextInt()...
nlogn
257_A. Sockets
CODEFORCES
import java.awt.Point; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.ObjectInputStream.GetField; import java.lang.reflect.Array; import java.math.BigDecimal; import java.math.BigInteger; import java.ut...
cubic
1517_D. Explorer Space
CODEFORCES
/* * Created on 17.05.2019 */ import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; /** * @author Wolfgang Weck */ public class C01Easy { public static void main(String[] args) { try (BufferedReader r = new BufferedReader(new InputStreamReader(System.in))) { final Strin...
linear
958_C1. Encryption (easy)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class Ok_Simple { static BufferedReader reader; static StringTokenizer tokenizer; static boolean am[][]; static long dp[][]; static int n; public static ...
np
11_D. A Simple Task
CODEFORCES
import java.util.*; public class PaintNumbers { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int[] nums = new int[n]; for (int i = 0; i < n; i++) { nums[i] = in.nextInt(); } boolean[] visited = new b...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; import java.math.BigInteger; import java.util.Map.Entry; import static java.lang.Math.*; public class C extends PrintWriter { void run() { int n = nextInt(); int r = nextInt(); int[] x = nextArray(n); double[] y = new double[n]; Arra...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.*; import java.io.*; public class Main { public static void main(String args[]) {new Main().run();} FastReader in = new FastReader(); PrintWriter out = new PrintWriter(System.out); void run(){ int t=in.nextInt(); for(int i=0;i<t;i++) { out.println(work()); } out.flush(); } long mod=1...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.math.BigInteger; import java.util.Scanner; public class Main { static Scanner sc = new Scanner (System.in); public static void main(String[] args) { int n = sc.nextInt(); int k = sc.nextInt(); char str[][] = new char[5][n]; for(int i = 0;i < 4;i ++){ for(int j = 0;j <...
linear
980_B. Marlin
CODEFORCES
import java.util.Arrays; import java.util.Date; import java.util.Scanner; public class Main { /** * @param args */ public static void main(String[] args) { Scanner s = new Scanner(System.in); int n = s.nextInt(); int[] a = new int[n]; for(int i=0;i<n;i++) a[i] = s.nextInt(); A...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; import java.awt.geom.*; import java.util.regex.*; public class Main implements Runnable { StreamTokenizer ST; PrintWriter out; BufferedReader br; int inf = 1000000000; int nextInt() throws IOException{ ...
linear
1_B. Spreadsheets
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class Main { BufferedReader in; PrintWriter out; StringTokenizer st; void solve() throws IOException { int n=ni(); int k=ni(); boolean[] t = new boolean[n+1]; for(int i=2;i<=n;i++){ t[i]=false; } int p=2; while(tr...
linear
17_A. Noldbach problem
CODEFORCES
import java.io.*; import java.math.*; import java.text.*; import java.util.*; public class Main { static PrintWriter out; static Reader in; public static void main(String[] args) throws IOException { input_output(); Main solver = new Main(); solver.solve(); out.close(); out.flush(); } static int INF = ...
cubic
1517_D. Explorer Space
CODEFORCES
/* * * @Author Ajudiya_13(Bhargav Girdharbhai Ajudiya) * Dhirubhai Ambani Institute of Information And Communication Technology * */ import java.util.*; import java.io.*; import java.lang.*; public class Code1 { public static void main(String[] args) { InputReader in = new InputReader(System.in); Pr...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; import java.util.*; public class C { public static void main(String[] args) { FastScanner in = new FastScanner(); int n =...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.math.BigInteger; import java.util.Scanner; public class c { public static void main(String[] args) { Scanner in = new Scanner(System.in); int num = in.nextInt(); int rad = in.nextInt(); int[] start = new int[num]; for(int i=0; i<num; i++) start[i] = in.nextInt(); // If you can hac...
quadratic
908_C. New Year and Curling
CODEFORCES
//package learning; import java.util.*; import java.io.*; import java.lang.*; import java.text.*; import java.math.*; import java.util.regex.*; public class NitsLocal { static ArrayList<String> s1; static boolean[] prime; static int n = (int)1e7; static void sieve() { Arrays.fill(prime , true); prime[...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class Main{ public static boolean isPrime(long num){ int divisor = 2; boolean bandera = true; while(bandera && divisor<num) //ponemos el while con su condicion en este caso si bandera ...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; /** * Built using CHelper plug-in * Actual solution is at the top */ public class Main { public static void main(String[] args) { InputStrea...
np
1102_F. Elongated Matrix
CODEFORCES
import java.io.*; import java.util.Arrays; import java.util.Comparator; import java.util.StringTokenizer; import java.util.stream.IntStream; public class B { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader in ...
logn
1019_B. The hat
CODEFORCES
import java.util.Scanner; /** * @author Son-Huy TRAN * */ public class P15A_CottageVillage { /** * @param args */ public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); int t = scanner.nextInt(); scanner.nextLine(); int[] x = new int[n]; i...
nlogn
15_A. Cottage Village
CODEFORCES
//package round227; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class D { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(), m = n...
cubic
387_D. George and Interesting Graph
CODEFORCES
import java.util.*; public class A { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); if(n % 2 == 1) { System.out.println(9 + " " + (n - 9)); } else { System.out.println(4 + " " + (n - 4)); } } }
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.*; public class A23 { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String s = br.readLine(); for(int length = s.length(); length > 0; length--) { for(int start = 0; star...
cubic
23_A. You're Given a String...
CODEFORCES