src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
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stringclasses
1 value
import java.util.*; public class Main { public static void main(String args[]) { Scanner scan = new Scanner(System.in); int n=scan.nextInt(); int m=scan.nextInt(); int[] game=new int[n]; int[] bill=new int[m]; for (int i = 0; i <n ; i++) { game[i]=scan.ne...
linear
1009_A. Game Shopping
CODEFORCES
import java.io.*; import java.util.*; public class Solution { static class Data{ int x,i; Data(int x,int i){ this.x = x; this.i = i; } } public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStream...
nlogn
1006_B. Polycarp's Practice
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int[] a = new int[n]; for (int i = 0; i < n; i++) { a[i] = in.nextInt(); } int min; int count = 0; ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.HashMap; import java.util.Scanner; import javax.swing.text.html.HTMLDocument.Iterator; public class Main { public static double p[]; static double s[]; static double m[]; static int n; public static double a[][]; public static int index=0; public static boolean vis[]; ...
np
16_E. Fish
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.util.Arrays; import java.util.Scanner; public class Main { static double eps = 1e-8; public static void main(String[] args) { Scanner r = new Scanner(System.in); int n = r.nextInt(); int t = r.nextInt(); House[] a = new House[n]; for(int i ...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.io.Writer; import java.util.StringTokenizer; import java.math.BigInteger; import java.io.InputStream; /** * Built using CHelper ...
logn
338_A. Quiz
CODEFORCES
import java.io.IOException; import java.util.Locale; import java.util.Scanner; public class A { public void processInput() throws IOException { Scanner in = new Scanner(System.in); long n = in.nextLong(); long res = go(n); System.out.printf(Locale.ENGLISH, "%d\n", res); ...
constant
313_A. Ilya and Bank Account
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; static int n, dig; static int[] x; static long[] p10, s; static long[][][] dp; public static void main(String[] args) { char[] cs = in.n...
quadratic
908_G. New Year and Original Order
CODEFORCES
import java.util.List; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.InputMismatchException; import java.io.PrintStream; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.Random; import java.io.Reader; impor...
linear
468_B. Two Sets
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; public class YouAreGivenAString { void run() { try { BufferedReader bfd = new BufferedReader(new InputStreamReader( System.in)); int i, j, k, mxLen = 0; String s= bfd.readLine(); ...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.*; import java.util.*; import java.lang.*; import java.math.*; public class USACO { public static void main(String[] args) throws IOException { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(reader.readLine()); StringToke...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class Main { FastScanner in; PrintWriter out; static final String FILE = ""; public void solve() { int n = in.nextInt(); TreeMap<Character, Integer> map = new TreeMap<>(); ArrayList<Integer> list = ne...
linear
701_C. They Are Everywhere
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; import java.util.concurrent.TimeUnit; public class c1523 implements Runnable{ public static void main(String[] args) { try{ new Thread(null, new c1523(), "process", 1<<26).start(); } catch(Exception e){ ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.Scanner; public class D2 { public static void main(String args[]) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int array[] =new int[n]; for(int i=0; i<=n-1; i++) { array[i] = sc.nextInt(); } int m = sc.nextInt(); int result = count(array); for(int i=1; i<=m; i++) { ...
quadratic
911_D. Inversion Counting
CODEFORCES
/* package whatever; // don't place package name! */ import java.util.*; import java.lang.*; import java.io.*; /* Name of the class has to be "Main" only if the class is public. */ public class Ideone { static int check(int temp) { int count1 = 0; while (temp>0) { if(temp % 2 != 0) cou...
linear
608_B. Hamming Distance Sum
CODEFORCES
import java.io.BufferedReader; import java.io.DataInputStream; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; public class Main{ private static Parser in; private static PrintWriter out; public static void main(String[] args){ in = new Parser(Sys...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.*; import java.util.StringTokenizer; public class C2 { String filename = null; InputReader sc; void solve() { int n = sc.nextInt(); int[] a = sc.nextArray(n); int[] ps = new int[n]; int[] q = new int[n]; int[] qs = new int[n]; int nq = 0; ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.*; public class A23 { public static void main(String[] args){ Scanner sc = new Scanner(System.in); char[] input = sc.nextLine().toCharArray(); int[][] dyn = new int[input.length][input.length]; int max = 0; for(int a = 0; a < input.length; a++) { for(int b = a + 1; b < input.length; b++)...
cubic
23_A. You're Given a String...
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.*; import java.util.*; public class TaskE { static int[][] transpose(int[][] a, int n, int m) { int[][] t = new int[m][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { t[j][i] = a[i][j]; } } return t; } ...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.HashSet; import java.util.List; import java.util.NoSuchElementException; import java.util.PriorityQueue; imp...
cubic
1517_D. Explorer Space
CODEFORCES
import java.util.*; public class House { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int t = sc.nextInt(); ArrayList<HS> list = new ArrayList<HS>(); for (int i = 0; i < n; i++) { list.add(new HS(sc.nextInt(),sc.nextInt())); } Collections.sor...
nlogn
15_A. Cottage Village
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...
np
1242_C. Sum Balance
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; public class Practice { public static long mod = (long) Math.pow(10, 9) + 7; public static long[][][]dp; public static void main(String[] args) throws Exception { BufferedRe...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; public class Handbag { // http://codeforces.com/problemset/problem/8/C // Source of most code : http://codeforces.com/contest/8/submission/3492661 // Keep track of eac...
np
8_C. Looking for Order
CODEFORCES
/* Codeforces Template */ import java.io.*; import java.util.*; import static java.lang.Math.*; import static java.util.Arrays.fill; import static java.util.Arrays.binarySearch; import static java.util.Arrays.sort; public class Main { static long initTime; static final Random rnd = new Random(7777L); static boo...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
//package prac; 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 Round568G { InputStream is; PrintWriter out; String INPUT = ""; // void solve() { int n = ...
cubic
1185_G2. Playlist for Polycarp (hard version)
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; public class E implements Runnable { public static void main (String[] args) {new Thread(null, new E(), "_cf", 1 << 28).start();} int n, m; char[] str; int[][] occs, cost; int[] dp; public void run() { FastScanner fs = new FastScanner(); P...
np
1238_E. Keyboard Purchase
CODEFORCES
//~ 22:04:48 import java.io.*; import java.util.*; public class Main{ public static void main(String[] args) throws Exception{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); String out = ""; String[] p = br....
nlogn
15_A. Cottage Village
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)); String s1[]=br.readLine().split(" "); int n=Integer.parseInt(s1[0]); int S=In...
constant
1061_A. Coins
CODEFORCES
import java.io.*; import java.util.*; public class Codeforces { public static void main(String args[])throws Exception { BufferedReader bu=new BufferedReader(new InputStreamReader(System.in)); StringBuilder sb=new StringBuilder(); String s[]=bu.readLine().split(" "); int n=Integ...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.IOException; import java.util.Locale; import java.util.Scanner; public class A { private void processInput() throws IOException { Scanner in = new Scanner(System.in); int n = in.nextInt(); long res = go(n); System.out.printf(Locale.ENGLISH, "%d\n", res); in.close(); } pri...
constant
84_A. Toy Army
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.StringTokenizer; public class Main { static BufferedReader in=new BufferedReader(new InputStreamReader(System.in)); static StringTokenizer tok; static boolean h...
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.Arrays; import java.util.StringTokenizer; /* * To change this license header, choose License Headers in Project Properties. * To change this template ...
linear
1191_D. Tokitsukaze, CSL and Stone Game
CODEFORCES
import java.util.*; import java.io.*; public class luckydivision { public static int i(String s){ return Integer.parseInt(s); } public static boolean solve(String k, int n){ int temp = i(k); if(temp > n){ return false; } if(n % temp == 0) return true; if(solve(k + "7", n)) return true; retur...
constant
122_A. Lucky Division
CODEFORCES
import java.io.InputStreamReader; import java.io.IOException; import java.util.InputMismatchException; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.io.Reader; import java.io.Writer; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution ...
np
16_E. Fish
CODEFORCES
import java.util.Scanner; public class Main{ public static void main(String[] args) { Scanner input = new Scanner(System.in); long num = input.nextLong(); if(num==0){ System.out.println(num); }else if(num==1||num==2){ System.out.println(num);} else i...
constant
235_A. LCM Challenge
CODEFORCES
import java.util.ArrayList; import java.util.List; import java.util.Scanner; public class A { public static void main(String[] args) throws Exception { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int k = scan.nextInt()-1; PrimeGen p = new PrimeGen(n); List<Integer> prims = new ArrayList<I...
linear
17_A. Noldbach problem
CODEFORCES
import java.io.*; import java.util.*; public final class Solution { static PrintWriter out = new PrintWriter(System.out); static FastReader in = new FastReader(); static long mod = (long) 1e9 + 7; static Pair[] moves = new Pair[]{new Pair(-1, 0), new Pair(1, 0), new Pair(0, -1), new Pair(0, 1)}; ...
cubic
1517_D. Explorer Space
CODEFORCES
import java.util.*; public class Test { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n= sc.nextInt(); int x= (int)Math.sqrt(n) ; int a[] = new int[n+5]; for(int i=1,o=n,j;i<=n;i+=x) for(j=(int)Math.min(i+x-1,n);j>=i;a[j--]=o--); for(int i=1;i<=n;i++)System.out.print(a[i]+" "); Syste...
linear
1017_C. The Phone Number
CODEFORCES
import java.io.*; public class Main { public static void main (String [] args) throws IOException { BufferedReader br = new BufferedReader (new InputStreamReader (System.in)); do { int n = Integer.parseInt (br.readLine ()); //args; int [] ns = new int [(args = br.readLine ().split (" ")).length]; int e...
linear
25_A. IQ test
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; /** * @author Don Li */ public class EhabAndAComponentChoosingProblem { long INF = (long) 1e18; int n; int[] a; ...
linear
1088_E. Ehab and a component choosing problem
CODEFORCES
import java.io.*; import java.util.*; public class B { void solve() throws IOException { in = new InputReader("__std"); out = new OutputWriter("__std"); int n = in.readInt(); int a = in.readInt(); int b = in.readInt(); int ma = 0; int mb = 1; if (a ...
linear
468_B. Two Sets
CODEFORCES
import java.util.*; import java.io.*; public class code{ public static void main(String[] args) throws IOException{ Scanner sc = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); int ok,ok2; int va,vb; va = 0; vb = 0; out.println("? "+va+"...
logn
1088_D. Ehab and another another xor problem
CODEFORCES
import java.io.*; import java.util.Arrays; import java.util.Scanner; import java.util.StringTokenizer; public class DTask { static Scanner in; static int[] first = new int[4]; static int[] second = new int[4]; static PrintWriter out; static int n; public static void main(String[] args) throws...
logn
713_B. Searching Rectangles
CODEFORCES
//package codeforces.br23; import java.io.*; /** * User: Kandy * Date: 12.07.2010 * Time: 21:51:52 */ public class ProblemA { public void solve() { boolean oj = true; try { Reader reader = oj ? new InputStreamReader(System.in) : new FileReader("A.in"); Writer writer = ...
cubic
23_A. You're Given a String...
CODEFORCES
//https://github.com/EgorKulikov/yaal/tree/master/lib/main/net/egork import java.util.*; import java.io.*; public class B{ static PrintWriter out; static InputReader in; public static void main(String args[]){ out = new PrintWriter(System.out); in = new InputReader(); new B(...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.util.Scanner; public class SimpleTask { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int m = scan.nextInt(); boolean[][] graph = new boolean[n][n]; for (int i = 0; i < m; i++) { int u = scan.nextInt() - 1; int v = scan.nextInt() ...
np
11_D. A Simple Task
CODEFORCES
import java.util.Scanner; public class IQ { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int[] a = new int[n]; for(int i = 0; i < n; i++) a[i] = scan.nextInt(); for(int i = 0; i < n; i++) { boolean x = a[i] % 2 == 0; int...
linear
25_A. IQ test
CODEFORCES
import java.util.Scanner; public class ChainReaction { public static void main(String [] args) { Scanner kb = new Scanner(System.in); int num = kb.nextInt(); int[] beacons = new int[1000002]; for (int i=0; i<num; i++) { beacons[kb.nextInt()] = kb.nextInt(); } int [] dp = new int[1000002]; int...
linear
608_C. Chain Reaction
CODEFORCES
import java.util.*; import java.io.*; public class C { private static int[] dx = {1, -1, 0, 0}; private static int[] dy = {0, 0, -1, 1}; public static void main(String[] args) throws Exception{ Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){ @Override public void run(){ try {...
cubic
35_C. Fire Again
CODEFORCES
/** * Write a description of class VK2A here. * * @author (your name) * @version (a version number or a date) */ import java.util.*; public class VK2A { public static void main(String args[]) { Scanner S = new Scanner(System.in); int n = S.nextInt(); int a = S.nextInt(); ...
nlogn
169_A. Chores
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Scanner; import java.util.Vector; /** * Created with IntelliJ IDEA. * User: horikawa * Date: 3/23/13 * Time: 1:29 AM * To change this template use File | Settings | File Templates. */ public class B { public static void main (S...
logn
287_B. Pipeline
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
// @author Sanzhar import java.io.*; import java.util.*; import java.awt.Point; public class Template { BufferedReader in; PrintWriter out; StringTokenizer st; String next() { while (st == null || !st.hasMoreTokens()) { try { st = new StringTokenizer(in.readLine()...
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.InputMismatchException; import java.io.IOException; import java.util.ArrayList; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is...
quadratic
909_C. Python Indentation
CODEFORCES
import static java.lang.Math.*; import java.util.*; import java.io.*; public class A { public void solve() throws Exception { int n = nextInt(); int[] p = nextArr(n); Arrays.sort(p); int sum = 0; for (int i=0; i<n; ++i) sum+=p[i]; int curr = 0; for ...
nlogn
160_A. Twins
CODEFORCES
import java.util.*; import java.text.*; import java.io.*; import java.math.*; public class code5 { InputStream is; PrintWriter out; static long mod=pow(10,9)+7; static int dx[]={0,0,1,-1},dy[]={1,-1,0,0}; String arr[]; long dp[][]; void solve() throws IOException { int n=ni(); int a[]=na(n); int q=ni(); ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.*; import java.math.BigDecimal; import java.math.BigInteger; import java.util.*; public class Main { private static IO io; public static void main(String[] args) throws IOException { new Main().run(); } private void run() throws IOException { io = new IO(System.getProperty("O...
nlogn
169_A. Chores
CODEFORCES
import java.util.*; import java.lang.*; import java.math.*; import java.io.*; import static java.lang.Math.*; import static java.util.Arrays.*; import static java.util.Collections.*; public class P111C{ Scanner sc=new Scanner(System.in); int INF=1<<28; double EPS=1e-9; int h, w; void run(){ h=sc.nextInt(); ...
np
111_C. Petya and Spiders
CODEFORCES
import java.io.*; import java.util.*; public class p343a { public static void main(String args[]) { Scanner sc = new Scanner(System.in); System.out.println(); long a = sc.nextLong(); long b = sc.nextLong(); if(a==b) System.out.println("1"); else if(b==1) System.o...
constant
343_A. Rational Resistance
CODEFORCES
import java.util.*; import java.io.*; public class A{ static long mod = 1000000000+7; static int arr[]; static HashMap<Long,Long> map = new HashMap<>(); public static void main(String[] args) { Scanner scan = new Scanner(System.in); long x = scan.nextLong(); long k = scan.nextLong(); if(x == 0) { Syste...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
//package codeforces.br25; import java.io.*; import java.math.*; import java.util.*; public class ProblemA { public void solve() { boolean oj = true; try { Reader reader = oj ? new InputStreamReader(System.in) : new FileReader("A.in"); Writer writer = oj ? new OutputStream...
linear
25_A. IQ test
CODEFORCES
import java.io.BufferedReader; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StreamTokenizer; import java.math.BigInteger; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import ...
nlogn
903_D. Almost Difference
CODEFORCES
import java.util.*; import java.io.*; import java.lang.*; import java.math.*; public class D { public static void main(String[] args) throws Exception { BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); PrintWriter out = new PrintWriter(new Out...
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.*; import java.io.*; public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); int[] arr = new int[n]; HashMap<Integer, Integer> m...
nlogn
1005_C. Summarize to the Power of Two
CODEFORCES
import java.io.*; import java.util.Arrays; import java.util.Scanner; import java.util.StringTokenizer; import java.util.TreeMap; public class A { private static final long MOD = 1000000009L; public static void main(String [] args) throws IOException { Scanner in = new Scanner(System.in); long n = in.nextInt(...
logn
338_A. Quiz
CODEFORCES
import java.util.Scanner; public class A { public static void main(String[] args) { new A().solve(); } public void solve() { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int t = sc.nextInt(); float[] left = new float[n]; float[] right = new...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; /* * To change this template, choose Tools | Templates * and open the template in the editor. */ /** * * @author pttrung */ public class B { static Senator[] data; public static void main(S...
np
105_B. Dark Assembly
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; public class MainC { private FastScanner in; private PrintWriter out; private int N; private ...
np
8_C. Looking for Order
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class C { public static void main(String[] args) { new C(); } final int oo = (int)1e9; int Hx,Hy; int N; int[][] P; int[] memo; int[][] soln; int[] dist1; int[][] dist2; C()...
np
8_C. Looking for Order
CODEFORCES
/* package codechef; // don't place package name! */ import java.util.*; import java.lang.*; import java.io.*; /* Name of the class has to be "Main" only if the class is public. */ public class Codechef { public static void main (String[] args) throws java.lang.Exception { // your code goes here Scanner in=new ...
logn
992_C. Nastya and a Wardrobe
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 KharYusuf */ public class ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.*; import java.lang.*; import java.io.*; public class Main { static final int MOD = (int)1e9 + 7; static int n; static int[] t; static int[] g; static int[][] memo; static int dp(int mask, int rem, int last) { if(rem == 0) return 1; if(memo[last][mask] != -1) return memo[last][mask...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
// upsolve with rainboy import java.io.*; import java.util.*; public class CF1187G extends PrintWriter { CF1187G() { super(System.out); } static class Scanner { Scanner(InputStream in) { this.in = in; } InputStream in; int k, l; byte[] bb = new byte[1 << 15]; byte getc() { if (k >= l) { k = 0; try {...
cubic
1187_G. Gang Up
CODEFORCES
import javafx.util.Pair; import java.util.*; import static java.lang.Math.floor; import static java.lang.Math.min; public class Main { private static Scanner scanner = new Scanner(System.in); public static void main(String[] args) { int n = scanInt(); List<Integer> a = scanList(n); ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.util.*; public class A { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int N = sc.nextInt(); int first = Integer.MAX_VALUE, second = Integer.MAX_VALUE; for (int i = 0, x; i < N; ++i) { x = sc.nextInt(); if (x < fi...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.util.*; public class task1 { static void print(Object... a) { for (Object aa : a) { System.out.println(aa.toString()); } } static Map<Character, Integer> stringToCharsMap(String str) { Map<Character, Integer> charcount = new HashMap<Character, Integer>(); ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; public class Main { boolean eof; public String nextToken() { while (st == null || !st.hasMoreTokens()) { try { st = new StringTokenizer(br.readLine()); } catch (Exception e) { eof = true; return "-1"; } } return st.nextToken(); } public int nextInt...
linear
224_B. Array
CODEFORCES
import java.io.*; import java.util.*; public class Main { private static void solve(InputReader in, OutputWriter out) { int n = in.nextInt(); if (n < 6) { out.println(-1); } else { int m = (n - 2); for (int i = 2; i <= m; i++) { out.prin...
linear
959_C. Mahmoud and Ehab and the wrong algorithm
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class Solution{ public static void main(String[] args)throws IOException{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int t = Integer.parseInt(br.readLine()); StringTokenizer st; for(int z=...
linear
1197_A. DIY Wooden Ladder
CODEFORCES
import static java.util.Arrays.*; import static java.lang.Math.*; import static java.math.BigInteger.*; import java.util.*; import java.math.*; import java.io.*; public class Main implements Runnable { boolean TEST = System.getProperty("ONLINE_JUDGE") == null; void solve() throws IOException { int ...
nlogn
903_D. Almost Difference
CODEFORCES
import java.io.*; import java.util.*; public class Main { static Scanner in; static PrintWriter out; // static StreamTokenizer in; static int next() throws Exception {in.nextToken(); return (int) in.nval;} public static void main(String[] args) throws Exception { in = new Scanner(System.in); out = new PrintWri...
np
16_E. Fish
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintStream; import java.util.Arrays; import java.io.IOException; import java.io.UncheckedIOException; import java.io.Closeable; import java.io.Writer; import java.io.OutputStreamWriter; impo...
cubic
840_C. On the Bench
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 */ public class Main { public static vo...
quadratic
908_C. New Year and Curling
CODEFORCES
//package round136; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; public class A2 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(); int[] a = new int[n]; int[] b = new int[n...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.io.*; import java.util.*; public class Main { static BufferedReader br; static PrintWriter out; static StringTokenizer st; static int[][] moves = new int[][]{{0, 1}, {1, 0}, {-1, 0}, {0, -1}}; static boolean correct(int x, int y, int n, int m) { return (x >= 0 && x < ...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.util.Arrays; import java.util.StringTokenizer; public class mainE { public static PrintWriter out = new PrintWriter(System.out); public static FastScanner enter = new FastScanner(System.in); public static void main(String[] args) throws IOException { int t=enter.nextIn...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.StringTokenizer; /* public class _908C { } */ public class _908C { public void solve() throws FileNotFoundException { InputStream in...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.*; import java.util.*; public class A{ InputStream is; PrintWriter out; String INPUT = ""; public void solve(){ int n=ni(); char[] arr=new char[n]; for(int i=0;i<n;i++){ arr[i]=ns().charAt(0); } long mod=1000000007; long[][] memo=new long[n][n]; memo[0][0]=1L; int k=0; for(in...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.*; import java.util.*; public class Main implements Runnable { public void _main() throws IOException { int n = nextInt(); int[] a = new int[n]; String s = next(); for (int i = 0; i < n; i++) a[i] = s.charAt(i) == 'H' ? 1 : 0; int res = 10 * n; for (int i = 0; i < n; i++) { int[] b =...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.HashMap; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; import java.util.StringTokenizer; import java.util.Map; import java....
np
1242_C. Sum Balance
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner input = new Scanner(System.in); long x = input.nextLong(); if(x==1||x==2){System.out.println(x); } else if(x%2==0&&x>2&&x%3!=0){ System.out.println((x)*(x-1)*(x-3)); }else if(x%2==0&&x%3==0){ System....
constant
235_A. LCM Challenge
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...
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.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at ...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.List; public class One { InputStreamReader inp = new InputStreamReader(System.in); BufferedReader in = new BufferedRead...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.util.*; import java.io.*; import java.math.BigInteger; public class template { public static void main(String[] args) throws Exception { FastScanner sc = new FastScanner(); PrintWriter pw = new PrintWriter(System.out); int n = sc.nextInt(); Integer[] arr = new Integer[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.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(new B...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.BufferedReader; import java.util.Comparator; import java.io.OutputStream; import java.io.PrintWriter; import java.util.Collection; import java.util.List; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.ArrayList; import java.util.StringTokenizer; im...
np
105_B. Dark Assembly
CODEFORCES