src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.InputStreamReader; public class B1177 { public static void main(String[] args) throws Exception { // BufferedReader br = new BufferedReader(new FileReader("F:/books/input.txt")); BufferedReader br = new ...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
/** * Created by IntelliJ IDEA. * User: SONY * Date: 27.05.12 * Time: 18:25 * To change this template use File | Settings | File Templates. */ import java.io.*; import java.util.*; public class TaskA extends Thread { public TaskA(String inputFileName, String outputFileName) { try { if (i...
constant
199_A. Hexadecimal's theorem
CODEFORCES
import java.util.*; import java.io.*; public class a { static long mod = 1000000007; static boolean[][] blacks; public static void main(String[] args) throws IOException { input.init(System.in); PrintWriter out = new PrintWriter(new PrintStream(System.out)); //Scanner input = new Scanner(new File("input.txt")...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.io.IOException; import java.io.InputStreamReader; import java.io.FileNotFoundException; import java.util.StringTokenizer; import java.io.BufferedReader; import java.io.Fi...
nlogn
1015_C. Songs Compression
CODEFORCES
import java.io.*; import java.util.*; public class DD { public static void main(String[] args)throws Throwable { MyScanner sc=new MyScanner(); PrintWriter pw=new PrintWriter(System.out); int n=sc.nextInt(); int [] a=new int [n]; for(int i=0;i<n;i++) a[i]=sc.nextInt(); int c=0; for(int i=0;i<n;i++) ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.net.Inet4Address; import java.util.Arrays; import java.util.StringTokenizer; /** * Created by shirsh.bansal on 07/08/16. */ public class Main { public static void main(String[] args) throws IOException { ...
np
11_D. A Simple Task
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int a, b, min, max, result = 0, temp; while(n-->0){ a = sc.nextInt(); b = sc.nextInt(); max = Math.max(a, b); min = Math.min(a, b); result = 0; ...
constant
267_A. Subtractions
CODEFORCES
import java.util.*; import java.io.*; import java.lang.Math.*; public class Main{ static long s; static boolean check(long n){ int sum = 0; long storen=n; while(n>0){ int k = (int)(n%10); n /=10; sum+=k; } return storen-(long)sum >= s; } public static void main(String args[]){ PrintWriter pw=n...
logn
817_C. Really Big Numbers
CODEFORCES
import java.util.*; import java.io.*; import java.lang.*; import java.math.*; public class C { public static void main(String[] args) throws Exception { BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); // Scanner scan = new Scanner(System.in); PrintWriter out = new P...
linear
1067_C. Knights
CODEFORCES
import java.util.*; import java.io.*; public class RGBSubstring { public static void main(String[] args) { FastScanner scanner = new FastScanner(); PrintWriter out = new PrintWriter(System.out); int Q = scanner.nextInt(); while(Q-->0) { int N = scanner.nextInt(); ...
quadratic
1196_D1. RGB Substring (easy version)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.Locale; import java.util.StringTokenizer; public class A { private void solve() throws IOException { int n = nextInt(); Integer[] a = new Integer[n]; ...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.util.*; import java.io.*; public class A{ static int N, M, K; static String s; static StringTokenizer st; static int[] d; public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); ...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class Twins { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int[] val = new int[n]; for (int i=0; i<n; i++) val[i] = in.nextInt(); Arrays.sort(val); ...
nlogn
160_A. Twins
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.util.*; import java.io.*; import java.math.BigInteger; public class Main { static final long mod=(int)1e9+7; public static void main(String[] args) throws Exception { FastReader in=new FastReader(); PrintWriter pw=new PrintWriter(System.out); int n=in.nextInt(); int[] arr=ne...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; public class D implements Runnable{ public static void main (String[] args) {new Thread(null, new D(), "_cf", 1 << 28).start();} public void run() { FastScanner fs = new FastScanner(); PrintWriter out = new PrintWriter(System.out); System.err....
nlogn
903_D. Almost Difference
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class bhaa { InputStream is; PrintWriter o; /////////////////// CODED++ BY++ ++ ++ ++ BHAVYA++ ARORA++ ++ ++ ++ FROM++ JAYPEE++ INSTITUTE++ OF++ INFORMATION++ TECHNOLOGY++ //////////////// ///////////////////////// Make it work, make it rig...
constant
1080_A. Petya and Origami
CODEFORCES
import java.util.*; import java.io.*; public class E1 { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); //optimizaciones que parece que solo son necesarias para java ArrayList<Integer>[] reps = new ArrayList[13]; //representa...
np
1209_E2. Rotate Columns (hard version)
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...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.List; import java.util.Scanner; import java.util.Vector; public class Main { private static final int SIM = 1; private static final int NAO = 2; public static void main(String[] args) { Scanner in = new Scanner(new BufferedRead...
np
1102_F. Elongated Matrix
CODEFORCES
import java.util.*; import java.io.*; public class Template { public static void main(String[] args) throws IOException { st = new StringTokenizer(rd.readLine()); n = Long.parseLong(st.nextToken()); m = Long.parseLong(st.nextToken()); k = Long.parseLong(st.nextToken()); long s = n - m; s = Math.min(s, m /...
logn
338_A. Quiz
CODEFORCES
import java.io.InputStreamReader; import java.io.IOException; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * @author Sunits789 */ public class M...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.io.*; import java.util.*; public class C138B { private static StringTokenizer st; public static void nextLine(BufferedReader br) throws IOException { st = new StringTokenizer(br.readLine()); } public static int nextInt() { return Integer.parseInt(st.nextTo...
linear
224_B. Array
CODEFORCES
import java.math.BigInteger; import java.util.Scanner; /* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ /** * * @author Sagimbekov_MA */ public class A483 { public static void...
constant
483_A. Counterexample
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class A implements Runnable { private void Solution() throws IOException { int n = nextInt(); if (n % 7 == 0 || n % 4 == 0 || n % 47 == 0 || n % 74 == 0 || n % 747 == 0 || n % ...
constant
122_A. Lucky Division
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.FilterInputStream; import java.io.BufferedInputStream; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author Jenish */ public class Ma...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.text.NumberFormat; import java.util.Arrays; import java.util.LinkedList; import java.util.Locale; import java....
linear
1_B. Spreadsheets
CODEFORCES
import java.awt.Point; import java.util.Scanner; public class p105b { static int[] b, l; static int n; static int A; static boolean[] masks; static double max; public static double work(int index, int k, int mask) { if (index == n) { if (Integer.bitCount(mask) * 2 <= n) { ...
np
105_B. Dark Assembly
CODEFORCES
import java.io.*; import java.nio.file.Files; import java.nio.file.Paths; import java.util.*; public class Main { public static void main(String[] args) { solve(System.in,System.out); } static void solve(InputStream inStream, PrintStream printStream) { Scanner in = new Scanner(inStream)...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.*; import java.util.StringTokenizer; public class Main { public static void main(String[] args) { FastScanner sc = new FastScanner(System.in); PrintWriter out = new PrintWriter(System.out); int N = sc.nextInt(); long dest = sc.nextLong(); long max = (long)...
nlogn
1098_C. Construct a tree
CODEFORCES
//package round168; 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 A { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(), K = n...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.io.IOException; import java.util.Scanner; /** * TODO: describe * * @author keks */ public class A { public static void main(String[] args) throws IOException { final Scanner sc = new Scanner(System.in); final int n = sc.nextInt(); if (n % 2 == 0) { System.out.pri...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.*; import java.util.*; import java.math.BigInteger; public class Main implements Runnable { private final String problemname = ""; private final String FILE_IN = problemname + ".in"; private final String FILE_OUT = problemname + ".out"; public void run() { // in = new BufferedReader(new Fil...
constant
84_A. Toy Army
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...
np
1242_C. Sum Balance
CODEFORCES
import java.awt.geom.*; import java.io.*; import java.math.*; import java.util.*; import java.util.regex.*; import static java.lang.Math.*; public class A { public A() throws Exception { int n = in.nextInt(); int[] arr = new int[n]; for (int i=0; i<n; i++) arr[i] = in.nextInt(); int...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Collections; import java.util.StringTokenizer; public class C implements Runnable { private void Solution() throws IOException { int n = nextInt(), max = 0, maxi = 0; ArrayLis...
nlogn
135_A. Replacement
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner input = new Scanner(System.in); int n = input.nextInt(); System.out.println(n * 6 / 4); } }
constant
84_A. Toy Army
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class Main { static BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); static StringTokenizer st = new StringTokenizer(""); ...
logn
1195_B. Sport Mafia
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...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.*; import java.util.*; public class C { static int n, m, a[][]; static int[][] memo; static int[] getCol(int col, int shift) { int[] ans = new int[n]; for (int i = 0, j = shift; i < n; i++, j = (j + 1) % n) { ans[i] = a[j][col]; } return ans; } static int dp(int col, int msk) { if ...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; import java.util.Map.Entry; public class Main { public static void main(String[] args) throws IOException { (new Main()).solve(); } public void Main() { } void solve() throws IOException { // BufferedReader in = new BufferedReader(new // I...
constant
199_A. Hexadecimal's theorem
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; public class CodeChef2 { static class FastReader { BufferedReader br; StringTokenizer st; public FastReader() { br = new BufferedReader(new InputStreamReader(System.in))...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.util.Arrays; import java.util.InputMismatchException; /** * @author Egor Kulikov (egor@egork.net) * Created on 14.03.2010 */ public class TaskD implements Runnable { private InputRea...
np
11_D. A Simple Task
CODEFORCES
import java.util.*; import java.io.*; public class C{ private static BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); private static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); public static void main (String[] args) throws IOException { int t = ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Scanner; import java.util.StringTokenizer; public class CF { BufferedReader bf=new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st=null; private void solution() th...
constant
122_A. Lucky Division
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.FileReader; import java.io.InputStreamReader; import java.util.ArrayList; import java.io.InputStrea...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.StringTokenizer; public class cf2 { static final double EPS = 1e-9; public static void main(String[] args) thro...
constant
994_C. Two Squares
CODEFORCES
import java.util.*; import java.io.*; public class two { public static void main(String[] args) throws IOException, FileNotFoundException { BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); //BufferedReader in = new BufferedReader(new FileReader("two")); HashSet<Integer> good = new Ha...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int[][] x = new int [200010][10]; String a = sc.nextLine(); String b = sc.nextLine(); int n = a.length(); int m = b.length(); for (int i = 1; i <= m; i++) { ...
linear
608_B. Hamming Distance Sum
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class Main { static BufferedReader reader; static StringTokenizer tokenizer; static PrintWriter writer; static String nextToken() throws IOE...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; public class C { int removeSq(int x) { for (int i = 2; i * i <= x; i++) { while (x % (i * i) == 0) { x /= i * i; } } return x; } void submit() { int n = nextInt(); HashMap<Integer, Integer> map = new HashMap<>(); for (int i = 0; i < n; i++) { int x =...
cubic
840_C. On the Bench
CODEFORCES
import java.util.*; import java.math.*; import java.io.*; public class b2 { public static void main(String[] args) throws IOException { input.init(System.in); int n = input.nextInt(), x = input.nextInt(), y = input.nextInt(), c = input.nextInt(); long lo = 0, hi = 2*n; while(hi > lo+1) { lo...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class TaskA { void Run() throws IOException { int n=ReadInt(); int[] arr=new int[n]; for(int i=0;i<n;++i) arr[i]=ReadInt(); Arrays.sort(arr); boolean one=true; for(int x : arr) if(x!=1) { one=false; break; } if(one) { f...
nlogn
135_A. Replacement
CODEFORCES
import java.util.*; import java.io.*; public class Main { static BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); static StringBuilder out = new StringBuilder(); public static void main(String[] args){ solve(); return; } // the following...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws Exception { new Main().go(); } PrintWriter out; Reader in; BufferedReader br; Main() throws IOException { try { //br = new BufferedReader( new FileReader("in...
quadratic
1015_E2. Stars Drawing (Hard Edition)
CODEFORCES
import java.text.DecimalFormat; import java.util.Arrays; import java.util.Scanner; public class Main { public Main() { super(); } public static void main(String... args) { Main main = new Main(); main.start(); } public void start() { Scanner in = new Scanner(System.in); int n = in.nextInt(); do...
np
16_E. Fish
CODEFORCES
import java.util.Arrays; import java.util.HashMap; import java.util.Scanner; public class Main { /** * @param args */ public static void main(String[] args) { Scanner scn = new Scanner(System.in); long a,b; a = scn.nextLong(); b = scn.nextLong(); long diff = ...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.io.IOException; import java.io.InputStreamReader; import java.util.Scanner; public class Main { public static void main(String[] args) throws NumberFormatException, IOException { Scanner sc = new Scanner(new InputStreamReader(System.in)); int n = sc.nextInt(),even = 0,odd = 0,evI =...
linear
25_A. IQ test
CODEFORCES
import java.io.*; import java.util.*; public class TaskA { BufferedReader br; PrintWriter out; StringTokenizer stok; String nextToken() throws IOException { while (stok == null || !stok.hasMoreTokens()) { String s = br.readLine(); if (s == null) { return "-1"; } stok = new StringTokenizer(s); ...
nlogn
135_A. Replacement
CODEFORCES
import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Collections; import java.util.Scanner; import java.util.Vector; public class Main { public static void main(String[] args) { Scanner in=new Scanner(new InputStreamReader(System.in)); PrintWriter out=new PrintWrite...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.io.*; import java.util.*; import java.lang.*; import java.math.BigInteger; public class Main{ static InputReader sc; static PrintWriter pw; public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; sc = new Input...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.*; import java.io.*; public class a { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String s = sc.next(); int len = s.length(); for(int i=len-1; i>=1; --i) { for(int j=0; j<=len - i; ++j) { String ss = s.substring(j, j+i); if(s.substring(j+1).ind...
cubic
23_A. You're Given a String...
CODEFORCES
//package codeforces.cf156; import java.io.*; import java.util.Arrays; public class ProblemB { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); PrintWriter writer = new PrintWriter(new OutputStreamWriter(System.out)); long[] readInts() throws IOException { String[] str...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.util.*; import java.io.*; public class NewYearAndCurling { public static void main(String[] args) throws IOException { BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); PrintWriter out = new PrintWriter(System.out); StringTokenizer t = new StringTokenizer(in.readLine()); in...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.*; import java.util.*; public class Main { static StringBuilder data = new StringBuilder(); final static FastReader in = new FastReader(); public static void main(String[] args) { int n = in.nextInt(); int a[] = new int[n]; for (int i = 0; i < n; i++) { ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.OutputStreamWriter; public class ElevatorOrStairs { private static final BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); private static final OutputStreamWriter writer = new OutputStreamWriter(System.out); ...
constant
1054_A. Elevator or Stairs?
CODEFORCES
import java.io.*; import java.util.*; public class ayyyyyy { public static void main(String[] args) { new ayyyyyy(); } Scanner in = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); int t, n; int[] a; ayyyyyy() { t = in.nextInt(); while (t --> 0) { a = new int[n = in.nextInt()]...
nlogn
1197_A. DIY Wooden Ladder
CODEFORCES
import java.util.*; public class r220a { public static void main(String args[]) { Scanner in =new Scanner(System.in); int N = in.nextInt(); ArrayList<Integer> list = new ArrayList<Integer>(); ArrayList<Integer> sort = new ArrayList<Integer>(); for(int i = 0; i < N; i++) { int k = in.nextInt(); list.add...
nlogn
220_A. Little Elephant and Problem
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.util.HashMap; import java.util.InputMismatchException; import java.io.IOException; import java.util.Map; import java.io.Writer; import ...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class BetaRound15_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...
nlogn
15_A. Cottage Village
CODEFORCES
import java.util.Scanner; public class FUck { public static void main(String args[]) { Scanner scan=new Scanner(System.in); int n=scan.nextInt(); int k=scan.nextInt(); String t=scan.next(); int mx=0; for(int i=1;i<n;i++) { int gd=1; for(int j=0;j<i;j++) { if(t.charAt(j...
quadratic
1029_A. Many Equal Substrings
CODEFORCES
import java.io.*; import java.util.*; import java.util.regex.*; public class A { static Scanner scan = new Scanner (System.in); static PrintStream out = System.out; static void go (int n) { if (n == 0) { System.out.println (0 + " " + 0 + " " + 0); return; } int a = 0, b = 1; int c = a + b; while ...
constant
199_A. Hexadecimal's theorem
CODEFORCES
import java.io.*; import java.util.*; public class c { static boolean used[][]; static int n; static int m; static int a[][]; public static void main(String args[])throws Exception{ Scanner in =new Scanner(new File("input.txt"));//System.in);// PrintWriter out=new PrintWriter(new File("output.txt"));//...
cubic
35_C. Fire Again
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; public class A25 { public void run() { try { BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(in.readLine().trim()); String[] toks = in.readLine().trim().split("[ ]+"); int counter = 0;...
linear
25_A. IQ test
CODEFORCES
/** * author: derrick20 * created: 11/11/20 1:45 PM */ import java.io.*; import java.util.*; import static java.lang.Math.*; public class OnTheBenchAlt { public static void main(String[] args) { setupCombo(301); FastScanner sc = new FastScanner(); PrintWriter out = new PrintWriter(System...
cubic
840_C. On the Bench
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class Task15a { public static class House implements Comparable<House>{ int x, s; public House(int x, int s) { super(); this.x = x; this.s = s; } public int compareTo(House o) { return x - o.x; } } public static void main(S...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; import static java.lang.Math.*; public class Main implements Runnable { void randomShuffle(int[] arr) { Random rnd = new Random(); for (int i = arr.length - 1; i >= 0; i--) { int pos = rnd.nextInt(i + 1); int temp = arr[pos]; arr[pos] = arr[i];...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.PrintStream; import java.util.StringTokenizer; import java.util.Scanner; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream...
logn
713_B. Searching Rectangles
CODEFORCES
import java.io.*; import java.util.*; public class Solution{ static class FastReader { BufferedReader br; StringTokenizer st; public FastReader() { br = new BufferedReader(new InputStreamReader(System.in)); } String next() ...
quadratic
1011_B. Planning The Expedition
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class Es1 { static IO io = new IO(); public static void main(String[] args) { int n = io.getInt(); int[] a = new int[n]; for(int i=0; i<n; i++) a[i] = io.getInt(); Arrays.sort(a); int[] color = new int[n]; int num = 1; for...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.*; public class B { static long sumN(long n) { return n * (n + 1) / 2; } static int binSearchPuts(int n, int k) { int L = 1; int U = n; int M = (L + U) / 2; while(L <= U) { long left = sumN(M) - (n - M); if(left < k) { L = M + 1; } else if(left > k) { U...
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; import java.awt.geom.*; import static java.lang.Math.*; public class Main implements Runnable { boolean multiiple = false; void solve() throws Exception { int n = sc.nextInt(); ArrayList<Integer> list = new ArrayList<>(); f...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; public class ayyyyyy { public static void main(String[] args) { new ayyyyyy(); } Scanner in = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); int t, n; int[] a; ayyyyyy() { t = in.nextInt(); while (t --> 0) { a = new int[n = in.nextInt()]...
nlogn
1197_A. DIY Wooden Ladder
CODEFORCES
import java.io.*; import java.util.*; public class E implements Runnable { public static void main (String[] args) {new Thread(null, new E(), "_cf", 1 << 28).start();} HashMap<Integer, Integer> valToNode, nodeToVal, whichBox; int N, ptsTo[], cycleMask[], dfsStack[], tempList[]; ArrayDeque<Integer> stack = new Arr...
np
1242_C. Sum Balance
CODEFORCES
import jdk.nashorn.internal.objects.NativeArray; import javax.swing.JOptionPane ; import javax.swing.plaf.basic.BasicInternalFrameTitlePane; import java.sql.SQLSyntaxErrorException; import java.util.Arrays; import java.util.Scanner; import java.util.Vector; import static jdk.nashorn.i...
linear
1159_A. A pile of stones
CODEFORCES
import java.io.*; import java.util.*; import java.lang.*; public class Main { public static void main(String[] args) throws IOException { InputStream input = System.in; OutputStream output = System.out; InputReader in = new InputReader(new FileReader(new File("input.txt"))); PrintWr...
cubic
35_C. Fire Again
CODEFORCES
/* If you want to aim high, aim high Don't let that studying and grades consume you Just live life young ****************************** What do you think? What do you think? 1st on Billboard, what do you think of it Next is a Grammy, what do you think of it However you think, I’m sorry, but shit, I have no fcking inter...
logn
1080_D. Olya and magical square
CODEFORCES
import java.util.Scanner; public class Main3 implements Runnable { public static void main(String[] args) { new Thread(null, new Main3(), "", 128 * 1024 * 1024).start(); } private static Scanner in = new Scanner(System.in); public void run() { int n = in.nextInt(); int m = 1_...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.*; import java.util.*; public class codeforces2 { public static void main(String[] args) { FastScanner sc = new FastScanner(); PrintWriter pw = new PrintWriter(System.out); // Scanner scan = new Scanner(System.in); //for (int i = 1; i <= 10; i++) { // System.out.println(...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.io.*; import java.util.*; import java.lang.*; import static java.lang.Math.*; // _ h _ r _ t r _ // _ t _ t _ s t _ public class TaskA implements Runnable { long m = (int)1e9+7; PrintWriter w; InputReader c; final int MAXN = (int)1e6 + 100; public void run() { c = new Input...
linear
527_B. Error Correct System
CODEFORCES
import java.util.*; import java.io.*; public class a { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int t = sc.nextInt(); int[][] xa = new int[n][2]; for(int i=0; i<n; ++i) { xa[i][0] = sc.nextInt(); xa[i][1] = sc.nextInt(); } ...
nlogn
15_A. Cottage Village
CODEFORCES
import java.util.*; import java.lang.*; import java.math.*; import java.io.*; import static java.lang.Math.*; import static java.util.Arrays.*; // Petya and Spiders // 2011/9/3 public class P111C{ Scanner sc=new Scanner(System.in); int INF=1<<28; int n, m; void run(){ n=sc.nextInt(); m=sc.nextInt(); solv...
np
111_C. Petya and Spiders
CODEFORCES
import java.io.*; import java.util.*; public class My { public static void main(String[] args) { new My().go(); } void go() { Scanner in = new Scanner(System.in); long n = in.nextLong(); int k = in.nextInt(); int mn = 0, mx = k + 1; while (mn < mx) { int mid = (mn + mx) / 2; ...
logn
287_B. Pipeline
CODEFORCES
import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.PrintWriter; import java.util.Scanner; public class B176 { public static void main(String[] args) { Scanner in = new Scanner(new BufferedInputStream(System.in)); PrintWriter out = new PrintWriter(new BufferedOut...
logn
287_B. Pipeline
CODEFORCES
import java.io.*; public class Main { public static void main(String[] args) throws Exception { int n = nextInt(); String nn = Integer.toString(n); if(n >= 0){ println(n); } else { println(Math.max(Integer.parseInt(nn.substring(0,nn.length() - 1)), Integer.parseInt(nn.substring(0, nn.length() - 2) ...
constant
313_A. Ilya and Bank Account
CODEFORCES
import java.io.*; import java.util.*; public class Template implements Runnable { private void solve() throws IOException { int n = nextInt(); int m = nextInt(); boolean[][] g = new boolean[n][n]; for (int i = 0; i < m; ++i) { int a = nextInt() - 1; int b = n...
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.Iterator; import java.io.IOException; import java.util.Comparator; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top ...
cubic
840_C. On the Bench
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.InputMismatchException; import java.util.PriorityQueue; import java.util.StringTokenizer; public class D { static class FastWriter { private final BufferedWriter bw; public FastWriter() { this.bw = new BufferedWriter(new O...
quadratic
1179_B. Tolik and His Uncle
CODEFORCES
import java.util.*; import java.io.*; public class FirstClass { public static void main(String[] args)throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); PrintWriter out = new PrintWriter(System.out); int n = Integer.parseInt(br.readLine()); int arr[] = new ...
linear
1054_B. Appending Mex
CODEFORCES
import java.util.*; public class A { public static void main(String[] args) { Scanner sc = new Scanner(System.in); long l = sc.nextLong(); long h = sc.nextLong(); sc.close(); if(h-l<2) { System.out.println(-1); return ; } if(h-l==2 && l%2==1) { System.out.println(-1); return ; ...
constant
483_A. Counterexample
CODEFORCES