src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
import java.util.*; import java.util.Map.Entry; import java.io.*; public class Main { public static class node implements Comparable<node> { int l,r; node(){} node(int l,int r) { this.l=l; this.r=r; } @Override public int compareTo(node rhs) { return r-rhs.r; } } public static void main(String...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.util.*; public class algo_2701 { public static void main(String args[]) { Scanner ex=new Scanner(System.in); int n=ex.nextInt(); int arr[]=new int[n]; for(int i=0;i<n;i++) arr[i]=ex.nextInt(); Arrays.sort(arr); int ans=0; int check[]=ne...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class Main { private int n; private int m; private boolean[][] g; private long[][] dp; private int[] count; private int[] first; private void solve(...
np
11_D. A Simple Task
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.ArrayList; import java.util.Map; import java.util.StringTokenizer; import java.util.TreeMap; public class A { p...
constant
313_A. Ilya and Bank Account
CODEFORCES
import java.util.*; import java.io.*; public class Solution extends Thread { final static int MAXNUM = 1 << 20; public void run() { try { in = new BufferedReader(new InputStreamReader(System.in)); st = new StringTokenizer(""); int tests = nextInt(); int num = 1; for (int test = 0; test < tests; te...
linear
1_B. Spreadsheets
CODEFORCES
import java.util.*; import java.io.*; public class Solution { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(new InputStreamReader(System.in)); int n = sc.nextInt(); String s = sc.next(); sc.close(); int cH = 0; for (int i...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.io.FileNotFoundException; import java.util.Scanner; /** * Date: 19.02.2010 * Time: 14:56:28 * * @author Sergey Bankevich (Sergey.Bankevich@gmail.com) */ public class B1 { static Scanner in; public static void main( String[] args ) throws FileNotFoundException { in = new Scanner( Syste...
linear
1_B. Spreadsheets
CODEFORCES
//package ContestEd69; import java.io.*; import java.util.StringTokenizer; public class mainD { public static PrintWriter out = new PrintWriter(System.out); public static FastScanner enter = new FastScanner(System.in); public static long[] arr; public static void main(String[] args) throws IOException...
quadratic
1197_D. Yet Another Subarray Problem
CODEFORCES
import java.util.* ; public class PythonIndentation { public static void main(String args[]) { Scanner in = new Scanner(System.in) ; int n = in.nextInt() ; boolean[] lst = new boolean[n] ; for(int i=0;i<n;i++) { lst[i] = (in.next().equals("s"))?false:true ; } System.out.println(dp(lst)) ; } stati...
quadratic
909_C. Python Indentation
CODEFORCES
import java.awt.List; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.math.BigDecimal; import java.math.BigInteger; import java.text.DecimalFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; imp...
np
11_D. A Simple Task
CODEFORCES
//package educational35; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.StringTokenizer; public class ProblemD { public static PrintWriter out = new PrintWriter(new OutputStreamWriter(Syste...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StreamTokenizer; import java.util.Arrays; public class A22 { static StreamTokenizer in; static PrintWriter out; static int nextInt() throws IOException { in.nextToken(); ret...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.text.ChoiceFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.List; import java.util.Scanner; public class A { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); ...
nlogn
15_A. Cottage Village
CODEFORCES
import java.util.*; import java.io.*; public class c implements Runnable{ int N; int[] arr; public static void main(String[] args) { new Thread(null, new c(), "", 1<<27).start(); } public void run() { arr = new int[N = nextInt()]; for(int n=0;n<N;n++) { // System.out.println(n+" s"); if(nextString().charAt...
quadratic
909_C. Python Indentation
CODEFORCES
import java.util.*; import static java.lang.Math.*; public final class FollowTrafficRules { private static double[] acce(double i, double a, double v) { double[] r = new double[2]; r[0] = (v - i)/a; r[1] = 1d/2d * a * pow(r[0], 2) + i * r[0]; return r; } private static doub...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.io.*; import java.util.*; public class Solution { public static void main(String[] args) throws Exception { MyReader reader = new MyReader(System.in); // MyReader reader = new MyReader(new FileInputStream("input.txt")); MyWriter writer = new MyWriter(System.out); new Sol...
quadratic
909_C. Python Indentation
CODEFORCES
//package cf584d12; import java.io.*; import java.util.*; import static java.lang.Math.*; public class A { public static void main(String[] args) { MyScanner sc = new MyScanner(); int n = sc.nextInt(); Integer[] a = new Integer[n]; for(int i = 0; i < n; i++) a[i] = sc.nextInt(); Arrays.sort(a); boolean...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Collections; import java.util.StringTokenizer; import java.util.TreeSet; /* * To change this template, choose Too...
cubic
23_A. You're Given a String...
CODEFORCES
//package jsr.codeforces; import java.util.HashMap; import java.util.Scanner; public class AMatchLists { public static void main(String[] args) { Scanner in = new Scanner(System.in); int N = in.nextInt(); HashMap<String, Integer> map = new HashMap<>(); for(int i=0; i<N; i++){ ...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.io.*; import java.math.BigDecimal; import java.math.BigInteger; import java.math.RoundingMode; import java.util.*; import java.util.Map.Entry; public class Main { private InputStream stream; private byte[] buf = new byte[1024]; private int curChar; private int numChars; private SpaceCharFilter filter;...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.io.*; import java.util.*; public class B { BufferedReader br; PrintWriter out; StringTokenizer st; boolean eof; // int X1, Y1, X2, Y2; // int X3, Y3, X4, Y4; // { // X1 = 1; // Y1 = 2; // X2 = 3; // Y2 = 4; // // X3 = 5; // Y3 = 1; // X4 = 5; // Y4 = 5; // } int ask(int x1, int y1, int x...
logn
713_B. Searching Rectangles
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner r = new Scanner(System.in); int N = r.nextInt(); System.out.println(N + " " + 0 + " " + 0); } }
constant
199_A. Hexadecimal's theorem
CODEFORCES
//package round23; import java.io.PrintWriter; import java.io.StringReader; import java.util.Arrays; import java.util.HashSet; import java.util.Scanner; public class A { private Scanner in; private PrintWriter out; // private String INPUT = add("a", 100); private String INPUT = ""; public void solve() { Stri...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.*; import java.util.*; public class C { static int ar[]; static HashMap<String, ArrayList<String>> map; static int location = 0; static StringBuilder sb; static int N; public static void main(String[] args) throws NumberFormatException, IOException { // TODO Auto-generated method stub Buff...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.Scanner; public class Prob235A { public static void main(String[] Args) { Scanner scan = new Scanner(System.in); int x = scan.nextInt(); if (x < 3) { if (x == 1) System.out.println(1); else System.out.println(2); } else { long answer = x; if (x % 2 == 1) { answer *= x ...
constant
235_A. LCM Challenge
CODEFORCES
import java.util.Scanner; public class Main{ public static void main(String args[]){ Scanner cin = new Scanner(System.in); String str; int i,j,k; int cnt = 0; char [] strArray; str = cin.next(); strArray = str.toCharArray(); for(i = 0; i < strArray.length; i ++) for(j = i + 1; j < strArray.le...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.*; import java.io.*; public class B { public static PrintStream out = System.out; public static InputReader in = new InputReader(System.in); static class Node implements Comparable<Node> { int res; Node(int pp) { p = pp; } int p; @Override...
linear
468_B. Two Sets
CODEFORCES
import java.io.IOException; import java.io.InputStreamReader; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.io.Writer; import java.util.StringTokenizer; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */ public class...
constant
343_A. Rational Resistance
CODEFORCES
import java.util.Scanner; /* * To change this template, choose Tools | Templates * and open the template in the editor. */ /** * * @author madi */ public class CottageTown { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String[] in = sc.nextLine().split(" ")...
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.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual soluti...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.util.*; public class HelloWorld{ public static void main(String []args){ final long MOD = 1000000007; Scanner scan = new Scanner(System.in); int now = 1; int maxStatements = scan.nextInt(); long[] dp = new long[maxStatements + 1]; dp[now] = 1; w...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; /** * * @author Haya */ public class CommentaryBoxes { public static void main(String[] args) { FastReader in = new FastReader(); long n = in.nextLo...
linear
990_A. Commentary Boxes
CODEFORCES
import java.util.*; public class temp { public static void main(String str[]){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m = sc.nextInt(); int k = sc.nextInt(); int arr[][] = new int[n][m]; int cross[][] = new int[n][m-1]; int up[][] = ne...
cubic
1517_D. Explorer Space
CODEFORCES
import java.util.*; import java.lang.*; // StringBuilder uses java.lang public class mC { public static void main(String[] args) { Scanner sc = new Scanner(System.in); StringBuilder st = new StringBuilder(); int t = 1; for (int test = 0; test < t; test++) { ...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.util.Scanner; public class J472A { private static Scanner scan = new Scanner(System.in); public static void main(String[] args) { int a = scan.nextInt(); if(a % 2 == 0) { System.out.println(4 + " " + (a - 4));//ż���4 } else { System.out.println(9 + " " + (a - 9));//������ } } }
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.*; import java.util.*; import java.lang.*; public class file{ public static void main(String []args) { Scanner sc=new Scanner(System.in); int n=sc.nextInt(); while(n-->0) { int a=sc.nextInt(); int b=sc.nextInt(); int ans=f(a,b); System...
constant
267_A. Subtractions
CODEFORCES
import java.io.*; import java.util.*; public class n2{ public static void main(String[] args) throws Exception{ BufferedReader in=new BufferedReader(new InputStreamReader(System.in)); int n=Integer.parseInt(in.readLine()); int[] S=new int[4]; int[] L=new int[4]; int m=0; ...
linear
1000_A. Codehorses T-shirts
CODEFORCES
//package com.krakn.CF.D1159; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n, k; n = sc.nextInt(); k = sc.nextInt(); int a = (n - k) / 2; StringBuilder s = new StringBuilder(); ...
linear
1159_D. The minimal unique substring
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.StringTokenizer; public class DigitSeq { static class FastReader { BufferedReader br; StringTokenizer st; public FastReader() { br = ...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; /** * Created by James on 1/29/2015. */ public class Driver { private static int [][] distances, parents; private static int [] distance, parent; private static String [][] longNames; ...
np
8_C. Looking for Order
CODEFORCES
import java.util.Scanner; public class Solution { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int k = sc.nextInt(); String s = sc.next(); StringBuilder ans = new StringBuilder(); int count = 0; int open = 0; for (int i = 0; i <...
linear
1023_C. Bracket Subsequence
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.io.BufferedWriter; import java.io.Writer; import java.io.OutputStreamWriter; import java.util.InputMismatchException; import java.io.IOException; import java.io.Input...
logn
713_B. Searching Rectangles
CODEFORCES
/** * @author: Mehul Raheja */ import java.util.*; import java.io.*; public class p3{ /* Runtime = O() */ static int N, M, K; static String s; static StringTokenizer st; static int[] d; public static void main(String[] args) throws Exception { BufferedReader br = ...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.*; import java.io.*; public class C{ public static void main(String[] args) { InputReader in = new InputReader(System.in); PrintWriter out = new PrintWriter(System.out); Solver solver = new Solver(); solver.solve(in, out); out.close(); } static class Solver{ public void solve(InputRead...
linear
701_C. They Are Everywhere
CODEFORCES
import java.math.BigInteger; import java.util.ArrayList; import java.util.Scanner; public class Main { static ArrayList<BigInteger> bs = new ArrayList<>(); static void getBs(int n, BigInteger k) { BigInteger four = BigInteger.valueOf(4); BigInteger tmp4 = BigInteger.valueOf(1); BigInt...
logn
1080_D. Olya and magical square
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Solve4 { public static void main(String[] args) throws IOException { FastReader sc = new FastReader(); int x= sc.nextInt(); int y= sc.nextInt(); int z...
constant
1054_A. Elevator or Stairs?
CODEFORCES
import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String[] args) throws FileNotFoundException { // TODO Auto-generated method stub Scanner read = new...
cubic
35_C. Fire Again
CODEFORCES
/*Author: Satyajeet Singh, Delhi Technological University*/ import java.io.*; import java.util.*; import java.text.*; import java.lang.*; import java.math.*; public class Main{ /*********************************************Constants******************************************/ static PrintWrite...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.util.*; public class A { public static void main(String args[]) { boolean[] b = new boolean[11000]; Arrays.fill(b, true); b[0] = b[1] = false; for(int i=2;i < b.length;i++) { if(!b[i]) continue; for(int j=2;i*j<b.length;j++) b[i*j] = false; } int[] p = new int[11000]; int...
linear
17_A. Noldbach problem
CODEFORCES
/* * Author: Nikhil Garg * Date: 2010-12-05 * */ import java.io.*; import java.util.*; import java.math.*; public class javatemp { static String map(int a) { if( a == 0) return "S"; else if ( a == 1 ) return "M"; else if ( a == 2 ) return "L"; else if ( a == 3 ) return "XL"; else if ( a == 4 ) return "XX...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.io.InputStreamReader; import java.io.IOException; import java.io.OutputStreamWriter; import java.util.Arrays; import java.io.BufferedWriter; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.io.Writer; import java.util.StringTokenizer; import java.io.InputSt...
nlogn
257_A. Sockets
CODEFORCES
import java.io.*; import java.math.BigDecimal; import java.math.BigInteger; import java.util.*; public class Task2 { public static void main(String[] args) throws IOException { new Task2().solve(); } //ArrayList<Integer>[] g; int mod = 1000000007; PrintWriter out; int n; int ...
np
8_C. Looking for Order
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class CoveredPointsCount { //UPSOLVE public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStre...
nlogn
1000_C. Covered Points Count
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class ATestingRound5 { public static void main(String[] args) { Scanner in = new Scanner(System.in); int T = in.nextInt(); while(T --> 0) { int a = in.nextInt(); int b = in.nextInt(); int count = 0; int[] arr = {a, b}; Arrays.sort(arr)...
constant
267_A. Subtractions
CODEFORCES
import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; public class F1141 { private static class Interval { publ...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.io.BufferedWriter; import java.io.Writer; import java.io.OutputStreamWriter; import java.util.InputMismatchException; import java.io.IOException; import java.io.Input...
logn
1080_D. Olya and magical square
CODEFORCES
//package round599; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.HashMap; import java.util.InputMismatchException; import java.util.Map; public class C { InputStream is; PrintWriter out; String INPU...
np
1242_C. Sum Balance
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class A implements Runnable { final boolean LOCAL = System.getProperty("ONLINE_JUDGE") == null; BufferedReader in; PrintWriter out; StringTokenizer tok; public static void main(String[] args) { new Thread(null, new A(), "", 256*10...
nlogn
257_A. Sockets
CODEFORCES
import java.io.BufferedReader; import java.io.DataInputStream; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class DigitQueries { public static void main(String[] args) throws IOException { FastReader in = new FastRea...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.*; import java.util.StringTokenizer; public class Main { public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); int n = sc.nextInt(), k = sc.nextInt(); long rhs = 2l * (n + k); ...
logn
1195_B. Sport Mafia
CODEFORCES
/* Author : Imran Khan Language: Java */ import java.io.*; import java.util.*; public class Main { public class BasicInputOutput { private StringTokenizer strtoken; private BufferedReader bufferReader; private BufferedWriter bufferWriter; private String delim = " \t\n\r\f"; BasicInputOutput() { d...
np
16_E. Fish
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class D { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(), sum = 0; int [] a = new int[n+1]; for (int i = 1; i <= n; i++) { a[i] = in.nextInt(); } ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.*; import java.util.*; /* polyakoff */ public class Main { static FastReader in; static PrintWriter out; static Random rand = new Random(); static final int oo = (int) 1e9 + 10; static final long OO = (long) 1e18 + 10; static final int MOD = (int) 1e9 + 7; static boolean i...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import static java.lang.Integer.parseInt; import static java.lang.Long.parseLong; import static java.lang.Math.abs; import static java.lang.Math.max; import static java.lang.Math.sqrt; import static java.lang.System.exit; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; impo...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.IOException; import java.io.PrintWriter; import java.util.LinkedList; import java.util.Queue; public class FireAgain { public static void main(String[] args) throws IOException { BufferedReader readData = new BufferedRead...
cubic
35_C. Fire Again
CODEFORCES
import java.util.*; import java.io.*; public class Main { BufferedReader in; StringTokenizer str = null; PrintWriter out; private String next() throws Exception{ while (str == null || !str.hasMoreElements()) str = new StringTokenizer(in.readLine()); return str.nextToken(); } private int nextInt() thr...
linear
468_B. Two Sets
CODEFORCES
import java.util.*; import java.lang.*; import java.io.*; // Created by @thesupremeone on 23/04/21 public class ExplorerSpace { int[][] horizontal, vertical; int n, m; long[][][] dp; int large = Integer.MAX_VALUE; boolean isValid(int i, int j){ return i>=0 && j>=0 && i<n && j<m; } ...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.*; import java.lang.reflect.Array; import java.math.BigDecimal; import java.sql.Time; import java.util.*; import java.math.BigInteger; import static java.lang.Math.*; import static java.math.BigInteger.*; import static java.util.Arrays.*; public class Main{ void run(){ Locale.setDefault(...
cubic
387_D. George and Interesting Graph
CODEFORCES
import java.util.*; import java.text.*; import java.math.*; public class Main{ static double EPS=1e-10; static double PI=Math.acos(-1.0); static double p[][]=new double[25][25]; static double f[]=new double[1<<20]; static int n; public static void PR(String s){ Syst...
np
16_E. Fish
CODEFORCES
import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class Equator { public static BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); public static ...
linear
962_A. Equator
CODEFORCES
//package codeforces.Educational35; import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Main { public static void main(String[] args) throws Exception { int i,j,k; int counter[] = new int[2]; int a[] = new int[200]; int needed; Buffered...
linear
25_A. IQ test
CODEFORCES
/* If you want to aim high, aim high Don't let that studying and grades consume you Just live life young ****************************** If I'm the sun, you're the moon Because when I go up, you go down ******************************* I'm working for the day I will surpass you https://www.a2oj.com/Ladder16.html */ impor...
np
1238_E. Keyboard Purchase
CODEFORCES
import java.util.*; import java.io.*; public class code839E { public static void main(String[] args) throws Exception{ BufferedReader bff=new BufferedReader(new InputStreamReader(System.in)); PrintWriter wff=new PrintWriter(System.out); String[] st=bff.readLine().split(" "); int V=I...
np
839_E. Mother of Dragons
CODEFORCES
import java.util.*; import java.io.*; public class candies { public void run() throws Exception { Scanner file = new Scanner(System.in); int actions = file.nextInt(); int left = file.nextInt(); int start = 0; int c = 1; while (true) { start += c; if (c + (start - left) == actions) break; c++; }...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.IOException; import java.util.HashSet; import java.util.Scanner; import java.util.Set; public class ProblemE { public static int w, h; public static int MAX = 9999999; public static Set<Integer> result = new HashSet<Integer>(); public static void dfs(int n, int m, int mask...
np
111_C. Petya and Spiders
CODEFORCES
import java.util.*; public class A { public static double EPS = .001; public class House implements Comparable<House> { int x; int a; public House(int mx, int ma) { x = mx; a = ma; } public int compareTo(House o) { return x - o.x; } public double right() { return (double)x + ((d...
nlogn
15_A. Cottage Village
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class A{ void solve(){ int n=ni(); s=new char[n+1]; s[0]='.'; for(int i=1;i<=n;i++) s[i]=ns().charAt(0); dp=new long[5001][5001]; dp[1][0]=1; long sum[]=new long[n+2]; sum[0]=1; ...
quadratic
909_C. Python Indentation
CODEFORCES
import java.awt.Point; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.FileReader; import java.io.FileWriter; import java.util.LinkedList; import java.util.Queue; import java.util.StringTokenizer; public class FireAgain { int k, i, j,n,m,x,y; void run() { try { ...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.util.*; public class Mainn { public static class InputReader { public BufferedReader reader; public StringTokenizer tokenizer; public InputReader() { reader = new BufferedReader(new InputStreamReader(System.in), 32768); tokenizer = null; } public InputReader(InputStrea...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.*; import java.util.*; public final class round_364_c { static BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); static FastScanner sc=new FastScanner(br); static PrintWriter out=new PrintWriter(System.out); public static void main(String args[]) throws Exception { in...
linear
701_C. They Are Everywhere
CODEFORCES
import java.io.*; import java.util.*; public class Main { boolean eof; public static void main(String[] args) throws IOException { new Main().run(); } public String nextToken() { while (st == null || !st.hasMoreTokens()) { try { st = new StringTokenizer(br.readLine()); } catch (Exception e) { e...
constant
343_A. Rational Resistance
CODEFORCES
/* Keep solving problems. */ import java.util.*; import java.io.*; public class CFA { BufferedReader br; PrintWriter out; StringTokenizer st; boolean eof; private static final long MOD = 1000 * 1000 * 1000 + 7; private static final int[] dx = {0, -1, 0, 1}; private static final int[] dy = ...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.io.BufferedReader; import java.io.Closeable; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class C { public static void main(String[] args){ try(Scanner sc = new Scanner(System.in)){ final ...
quadratic
909_C. Python Indentation
CODEFORCES
/** * Created by Aminul on 3/14/2019. */ import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; import static java.lang.Math.max; public class E_2 { public static void main(String[] args) throws Exception { F...
linear
1082_E. Increasing Frequency
CODEFORCES
/** * @author: Mehul Raheja */ import java.util.*; import java.io.*; public class indent { /* Runtime = O() */ static int N, M, K; static String s; static StringTokenizer st; static int[] d; static long MOD = (int)1e9 + 7; public static void main(String[] args) throws Exce...
quadratic
909_C. Python Indentation
CODEFORCES
import java.util.*; import java.io.*; public class P1 { public static void main(String[] args) { String s = null; // citire try { // Scanner sc = new Scanner(new File("in.txt")); Scanner sc = new Scanner(System.in); s = sc.next(); } catch (Exception e) { e.printStackTrace(); } int n = ...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.HashMap; import java.util.InputMismatchException; import java.util.List; public class Q6 { public static void main(String[] args)...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.*; public class A { private void solve() throws IOException { int n = nextInt(); int a = nextInt(); int b = nextInt(); ...
nlogn
169_A. Chores
CODEFORCES
import java.util.Scanner; import java.math.BigInteger; import java.io.*; public class Main{ /** * @param args */ static BigInteger n, x, y, c; static BigInteger mk[] = new BigInteger[8]; public static BigInteger f(BigInteger t) { return t.multiply(t); } public static BigInteger g(BigInteger t) { retur...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.io.*; import java.util.*; public class a { public static void main(String[] args) { Scanner sc=new Scanner(System.in); int N=sc.nextInt(); solve(N); } static void solve(int a) { if((a-8)%3==0) { System.out.println(8+" "+(a-8)); return ; } if((a-4)%3==0) { Syst...
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.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author be...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.BufferedInputStream; import java.util.HashMap; import java.util.ArrayList; import java.io.FilterInputStream; import java.util.Map; import java.util.Map.Entry; import java.util.Comparator; impo...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.math.BigInteger; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHe...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.util.Scanner; public class D { static long max; public static long[] getOneRange(long min, long max,int bit) { long st=(min&(((1l<<63)-1)&~((1l<<(bit+1))-1)))|(1l<<bit); long end=st|((1l<<(bit+1))-1); long interSt=Math.max(st,min); long interEnd=Math.min(end, max)...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.util.*; import java.io.*; import static java.lang.System.in; public class Main { public static void main(String[] args)throws IOException{ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[][] point = new int[n][]; for(int i=0;i<n;i++) point[i] = new int[]{s...
nlogn
528_B. Clique Problem
CODEFORCES
import java.util.*; public class A { public static void main(String args[]) { Scanner scan = new Scanner(System.in); String str = scan.next(); for(int i=str.length();i >= 1;i--) { for(int j=0;j + i <= str.length();j++) { ...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.*; public class Main { public static void main(String []args)throws Exception { String inp=""; String res=""; BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); inp=br.readLine(); for(int i=0;i<inp.length();i++)//counts the length ...
cubic
23_A. You're Given a String...
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 Integer[n]; for (int i = 0; i <...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.Arrays; import java.util.HashSet; import java.util.Iterator; import java.util.Set; import java.util.StringTokenizer; public class Solution { l...
logn
817_C. Really Big Numbers
CODEFORCES