src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Scanner; public class CFA { private void work() throws IOException { Scanner sc = new Scanner(new BufferedReader(new InputStreamReader( System.in))); while (sc.hasNextInt()) { int n = sc.nextInt()...
constant
313_A. Ilya and Bank Account
CODEFORCES
import java.util.*; import java.io.*; public class CodehorsesTshirts { /************************ SOLUTION STARTS HERE ************************/ private static void solve() { int n = nextInt(); HashMap<String, Integer> a = new HashMap<>(); ...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.util.*; public class Main { public static void main(String[] args) { Scanner keyboard = new Scanner(System.in); int size = keyboard.nextInt(); int[] arr = new int[size]; int i = 0; while( size != 0 ) { arr[i] = keyboard.nextInt(); size--; i++; } //System.out.pr...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.util.*; public class A{ public static int mod = 1000000007; public static void main(String args[]){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); char s[] = new char[n]; for(int i = 0; i < n; i++) ...
quadratic
909_C. Python Indentation
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.io.StreamTokenizer; import java.util.Arrays; public class B { // -- DEBUG switch -- static final boolean DBG = fals...
linear
224_B. Array
CODEFORCES
// package codeforce.Training1900; import java.io.PrintWriter; import java.util.*; //https://codeforces.com/problemset/problem/1141/F2 public class SameSumBlocks { // MUST SEE BEFORE SUBMISSION // check whether int part would overflow or not, especially when it is a * b!!!! public static void main(Stri...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.util.*; public class codeee { public static void main(String[] args) { Scanner sc=new Scanner(System.in); int n=sc.nextInt(); if(n==1){System.out.println(1); return;} int []mas=new int[n]; int sum=0; for (int i = 0; i < n; i++) { mas[i]=sc.next...
nlogn
160_A. Twins
CODEFORCES
import java.io.InputStreamReader; import java.io.IOException; import java.util.Arrays; import java.util.ArrayList; 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 ...
cubic
387_D. George and Interesting Graph
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class test1 { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int a[]=new int[n]; int b[]=new int[n]; for(int i=0;i<n;i++) { a[i]=in.nextInt...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.util.*; public class A { public static void main(String[] args) { Scanner in = new Scanner(System.in); long A = in.nextLong(); long B = in.nextLong(); System.out.println(f(A,B)); } static long f(long A, long B) { if(A==0) return 0; if(A < B) retur...
constant
343_A. Rational Resistance
CODEFORCES
import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.InputMismatchException; import java.util.List; public class G { InputStream is; PrintWriter out; String INPUT = ""; void ...
cubic
1187_G. Gang Up
CODEFORCES
import java.io.*; import java.util.HashSet; import java.util.StringTokenizer; public class GB_A { FastScanner in; PrintWriter out; public static void main(String[] arg) { new GB_A().run(); } public void solve() throws IOException { int n = in.nextInt(); int r = in.nextInt...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class A implements Runnable { final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE") != null; BufferedReader in; PrintWriter out; StringTokenizer tok; @Override public void run() { try { long startTime = System.curre...
nlogn
160_A. Twins
CODEFORCES
import java.util.*; import java.lang.*; import java.io.*; public class Main { PrintWriter out = new PrintWriter(System.out); BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer tok = new StringTokenizer(""); String next() throws IOException { if (!tok.hasMoreToke...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.*; import java.io.*; public class Subtractions { /************************ SOLUTION STARTS HERE ***********************/ static long modifiedEuclidGCD(int a , int b) { return b == 0 ? 0 : (a / b) + modifiedEuclidGCD(b, a % b); } private static void solve(FastScanner s1, PrintWriter out){ ...
constant
267_A. Subtractions
CODEFORCES
import java.io.*; import java.util.*; public class Main { private static void solve(InputReader in, OutputWriter out) { int n = in.nextInt(); List<List<Integer>> g = new ArrayList<>(n + 1); for (int i = 0; i < n + 1; i++) { g.add(new LinkedList<>()); } int deg...
linear
981_C. Useful Decomposition
CODEFORCES
import java.util.*; public class Counterexample483A { public static void main(String[] args) { // Set up scanner Scanner sc = new Scanner(System.in); // System.out.println("Enter l"); long l = sc.nextLong(); // System.out.println("Enter r"); long r = sc.nextLon...
constant
483_A. Counterexample
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
1515_E. Phoenix and Computers
CODEFORCES
import java.util.*; import java.io.*; import java.lang.*; import java.math.*; public class B { public static PrintWriter out; public static BufferedReader bf; public static int n; public static int[] a; public static void main(String[] args) throws Exception { bf = new BufferedReader(new Inp...
logn
1019_B. The hat
CODEFORCES
import java.util.Scanner; public class A { /** * @param args */ public static void main(String[] args) { Account acnt = new Account(); acnt.solve(); acnt.print(); } } class Account { Account() { Scanner scr = new Scanner(System.in); n = scr.nextInt(); } void solve() { if (n > 0) { ans ...
constant
313_A. Ilya and Bank Account
CODEFORCES
import javafx.util.Pair; import java.io.*; import java.util.*; import static java.lang.Math.*; public class Main implements Runnable { boolean multiple = false; long MOD; @SuppressWarnings({"Duplicates", "ConstantConditions"}) void solve() throws Exception { int k = sc.nextInt(); ...
np
1242_C. Sum Balance
CODEFORCES
import java.util.*; public class Main{ public static void main(String args[]){ Scanner sc=new Scanner(System.in); int n=sc.nextInt(); int a[]=new int[n]; for(int i=0;i<n;i++) a[i]=sc.nextInt(); Arrays.sort(a); //boolean int t=1,c=0; for(int i=1;i<n;i++){ if(a[i]==a[i-1]...
linear
1190_B. Tokitsukaze, CSL and Stone Game
CODEFORCES
import java.awt.List; 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.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Scanner; impo...
np
11_D. A Simple Task
CODEFORCES
import java.util.*; import java.io.*; public class EdE { static long[] mods = {1000000007, 998244353, 1000000009}; static long mod = mods[0]; public static MyScanner sc; public static PrintWriter out; static long[][][] paths; static long[] powers501; public static void main(String[] havish) throws Excep...
cubic
1517_D. Explorer Space
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner read = new Scanner(System.in); double a = (double)read.nextInt(); double v = (double)read.nextInt(); double l = (double)read.nextInt(); double d = (double)read.nextInt(); ...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StreamTokenizer; public class Main { private static StreamTokenizer in; private static PrintWriter out; private static int nextInt() throws Exception { in.nextToken(); return (int)in.nval; } private static Stri...
linear
25_A. IQ test
CODEFORCES
import javax.print.DocFlavor; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class Round584_a { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamRea...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; public class B { static int n, t[], g[], MOD = (int) 1e9 + 7; static int[][][] memo1, memo2[], memo3[]; static int dp1(int idx, int remCnt, int remSum) { if (idx == n) return remSum == 0 && remCnt==0 ? 1 : 0; if (memo1[idx][remCnt][remSum] != -1) return memo1[idx][r...
cubic
1185_G2. Playlist for Polycarp (hard version)
CODEFORCES
import java.util.*; import java.io.*; public class p3sol{ static char[] c; static int[][] dp; static int mod = (int)1e9 + 7; public static void main(String[] args) throws Exception{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); c = new...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.HashMap; import java.util.HashSet; import java.util.StringTokenizer; public class BT { static BufferedReader in = new BufferedReader(new InputStreamReader( System.in)); static StringToken...
linear
224_B. Array
CODEFORCES
import java.util.Scanner; import java.io.OutputStream; import java.io.IOException; import java.util.Arrays; import java.io.PrintWriter; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * @author codeKNIGHT */ public class Main { public static void main(String[] args) {...
nlogn
166_A. Rank List
CODEFORCES
import java.io.FileNotFoundException; import java.util.Scanner; public class P1177A { public static void main(String[] args) throws FileNotFoundException { Scanner in = new Scanner(System.in); // Scanner in = new Scanner(new File("input.txt")); System.out.println(solve(in.nextLong())); ...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
/** * Created by Baelish on 8/28/2018. */ import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class F_DSU { public static void main(String[] args)throws Exception { FastReader in = new FastReader(Sys...
quadratic
1027_F. Session in BSU
CODEFORCES
import java.util.*; import java.io.*; public class Main { public static void main(String[] args) throws Exception { Scanner in = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); int n = in.nextInt(), m = in.nextInt(), k = in.nextInt(); int[] a = n...
nlogn
257_A. Sockets
CODEFORCES
//package test_1177a; import java.util.Scanner; import java.util.Scanner; public class test1177b{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); long k = sc.nextLong(); long k1 =0,k2 = 0; long p = 1; String str=...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.InputMismatchException; import java.util.Set; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.TreeSet; import java.util.StringTokenizer; import java.io.InputSt...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; import static java.lang.Math.*; public class Main { private FastScanner scanner = new FastScanner(); public static void main(String[] args) { new Main().solve(); } private void ...
linear
990_C. Bracket Sequences Concatenation Problem
CODEFORCES
/** * BaZ :D */ import java.util.*; import java.io.*; import static java.lang.Math.*; public class Main { static Reader scan; static PrintWriter pw; static int n,k,left[],right[],arr[]; static long MOD = 1000000007,count[],dp[]; public static void main(String[] args) { new Thread(null,null...
linear
1037_F. Maximum Reduction
CODEFORCES
import java.io.*; import java.util.*; public class ProblemaNoldbaha implements Runnable{ public static void main(String[] args) throws IOException { new Thread(new ProblemaNoldbaha()).start(); } BufferedReader br; StringTokenizer in; PrintWriter out; public String nextToken() throws IOException{ while (i...
linear
17_A. Noldbach problem
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; public class CFJava { private static void println(Integer n) { System.out.println(n); } private static void println(String s) { System.out.println(s); } private static...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; 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(); } priva...
linear
701_C. They Are Everywhere
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.List; import java.util.StringTokenizer; /** Created by huhansan on 2017/10/9. */ public class CF_8C implements Runnable { int[] step = new int[1 << 24]...
np
8_C. Looking for Order
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; /** @author KhanhNguyenn */ public class C{ public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader in = new InputReader(inputStream); ...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class PhoenixAndComputers { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); St...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.util.Scanner; public class Main2 { public static void main(String args[]){ Scanner input = new Scanner(System.in); long s = input.nextLong(); long e = input.nextLong(); System.out.println(count(s,e)); } public static long count(long s,long e){ int nco...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.io.*; import java.lang.reflect.Array; import java.math.BigInteger; import java.util.Arrays; import java.util.Scanner; import java.util.StringTokenizer; import java.util.TreeMap; public class A { public static void main(String [] args) throws IOException { Scanner in = new Scanner(System.in); System....
constant
343_A. Rational Resistance
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...
quadratic
909_C. Python Indentation
CODEFORCES
//I'm Whiplash99 import java.io.*; import java.util.*; public class C { public static void main(String[] args) throws Exception { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); int i,N; int T=Integer.parseInt(br.readLine().trim()); StringBuilder sb=new ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.Scanner; public class AA { static class Pair implements Comparable<Pair> { public int x, y; public Pair(int x, int y) { this.x = x; this.y = y; } public int compareTo(Pair p) { if (p.x != x) return...
nlogn
15_A. Cottage Village
CODEFORCES
import static java.lang.Math.*; import static java.lang.System.currentTimeMillis; import static java.lang.System.exit; import static java.lang.System.arraycopy; import static java.util.Arrays.sort; import static java.util.Arrays.binarySearch; import static java.util.Arrays.fill; import java.util.*; import java.io.*; p...
linear
1_B. Spreadsheets
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.math.BigInteger; import java.security.KeyPair; import java.util.*; public class Main { static long[][] c ; static long[] arr; static long n , m , k; static long dp[][][]...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; public class GFG { public static void main (String[] args) { Scanner sc = new Scanner (System.in); int n = sc.nextInt(); int a = sc.nextInt(); int b = sc.nextInt(); int c = sc.nextInt(); int ans = 0; int t= sc.nextInt(); int arr[] = new int[...
linear
964_B. Messages
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.lang.reflect.Array; import java.util.*; public class Main{ static class FastScanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringT...
cubic
1517_D. Explorer Space
CODEFORCES
import java.util.*; import java.io.*; public class Three{ public static void main(String[] args) { Scanner in = new Scanner (System.in); PrintWriter out = new PrintWriter(System.out); pair[] points = new pair [3]; for (int i = 0; i < 3; ++i) { int x = in.nextInt(); int y = in.nextInt(); points[...
nlogn
1086_A. Connect Three
CODEFORCES
/** * Created with IntelliJ IDEA. * User: yuantian * Date: 3/24/13 * Time: 2:18 AM * Copyright (c) 2013 All Right Reserved, http://github.com/tyuan73 */ import java.util.*; public class Pipeline { public static void main(String[] args) { Scanner in = new Scanner(System.in); long n = in.next...
logn
287_B. Pipeline
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintStream; import java.util.Arrays; import java.util.StringTokenizer; import java.util.logging.Level; import java.util.logging.Logger; public class ProblemA { private final BufferedReader in; private...
nlogn
135_A. Replacement
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; import static java.lang.Math.*; import static java.lang.Integer.parseInt; import static java.lang.Long.parseLong; import static java.lang.Double.parseDouble; import static java.lang.String.*; public class Main { public static void main(String[] arg...
constant
630_A. Again Twenty Five!
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.Reader; import java.io.IOException; import java.util.StringTokenizer; /* * @author Tnascimento */ public class MaeDosDragoes { // public static StringTokenizer tokenizer; // public static BufferedReader rea...
np
839_E. Mother of Dragons
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.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
1515_E. Phoenix and Computers
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 java.util.Map; import java.io.IOException; import java.util.TreeMap; import java.util.InputMismatchException; import java.io.PrintStream; import java.io.OutputStream; import java.util.ArrayDeque; import java.io.PrintWriter; import java.math.BigInteger; import java.util.Queue; import java.util.Collection; import ...
linear
468_B. Two Sets
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.Arrays; import java.util.InputMismatchException; public class R2_D2_A { public static void main(String[] args) { // BufferedReader in = new BufferedReader(new //...
nlogn
169_A. Chores
CODEFORCES
import java.io.*; import java.util.*; public class B { static int n, t[], g[], MOD = (int) 1e9 + 7; static int[][][] memo1, memo2[], memo3[]; static int dp1(int idx, int remCnt, int remSum) { if (idx == n) return remSum == 0 && remCnt == 0 ? 1 : 0; if (remCnt < 0 || remSum < 0) return 0; if (memo1[idx...
cubic
1185_G2. Playlist for Polycarp (hard version)
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; import java.lang.*; import static java.lang.Math.*; public class Main implements Runnable { static class InputReader { private InputStream stream; private byte[] buf = new byte[1024]; private int curChar; private int numChars; private SpaceCharF...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.*; import java.util.*; public class F { static Scanner in = new Scanner(System.in); static PrintWriter out = new PrintWriter(System.out); static int n,m,res=0; static int[][] a=new int[20][10005],Min=new int[20][20],Min1=new int[20][20]; static int[][][] f=new int[1<<16][20][20]; static int G...
np
1102_F. Elongated Matrix
CODEFORCES
import java.io.*; import java.util.*; public class SolutionB { BufferedReader in; StringTokenizer str; PrintWriter out; String SK; String next() throws IOException { while ((str == null) || (!str.hasMoreTokens())) { SK = in.readLine(); if (SK == null) return null; ...
logn
287_B. Pipeline
CODEFORCES
import java.util.*; import java.lang.*; import java.io.*; public class Main { static class Fast { StringTokenizer st; BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); public String next() throws IOException { while (st == null || !st.hasMoreTokens()) st = new StringTokenizer(...
cubic
1517_D. Explorer Space
CODEFORCES
public class P1 { public static void main(String[] args) { System.out.println("25"); } }
constant
630_A. Again Twenty Five!
CODEFORCES
import java.util.*; public class TaskA { public static void main(String[] args) throws Exception { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); scanner.nextLine(); int[] a = new int[n]; for (int i = 0; i < n; i++) { a[i] = scanner.nextInt...
nlogn
160_A. Twins
CODEFORCES
//package educational.round34; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.util.Arrays; import java.util.InputMismatchException; import java.util.Random; public class D { InputStream is; PrintWriter ...
nlogn
903_D. Almost Difference
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; /** * @author Don Li */ public class TwoSquares { int INF = 1000; void solve() { int[][] s1 = new int[4][2]; for (int i = 0; i <...
constant
994_C. Two Squares
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; public class A { public static void main(String[] args) throws IOException { // TODO Auto-generated method stub BufferedReader r=new BufferedReader(new InputStreamReader(System.in)); String s=r.readL...
constant
84_A. Toy Army
CODEFORCES
import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintStream; import java.util.ArrayList; import java.util.Arr...
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.util.Arrays; import java.util.Scanner; /** * Built using CHelper plug-in * Actual solution is at the top * * @author ZYCSwing */ public class Main { public static void main(String[] arg...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.InputStream; import java.io.OutputStream; import java.io.IOException; import java.util.ArrayList; import java.io.InputStream; import java.io.BufferedWriter; import java.io.Writer; import java.io.OutputStreamWriter; import java.io.IOException; import java.util.InputMismatchException; import java.io.PrintW...
np
105_B. Dark Assembly
CODEFORCES
import java.io.BufferedInputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.util.*; public class A { public static void main(String[] args) { JS in = new JS(); int n = in.nextInt(); int m1 = 0; int s1 = 0; int l1 = 0; int ss1 = 0; int sss1 ...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.util.Arrays; /** * Works good for CF * * @author cykeltillsalu */ pu...
nlogn
160_A. Twins
CODEFORCES
import java.awt.image.BufferedImage; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; public class ElongatedMatrix { static int[][][] memo; static int mn1[][]; static int mn2[][]; stat...
np
1102_F. Elongated Matrix
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; public class Village { static Scanner in = new Scanner( new BufferedReader( new InputStreamReader( System.in ) ) ); public static void main( String[] args ) { int n = in.nextInt(), t = 2*in.nextInt(), h[][] = new int[n][2], ans = 2; for( int i = 0; i < ...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; public class ProblemA { private void solve() throws IOException { Scanner stdin = new Scanner(new InputSt...
nlogn
135_A. Replacement
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; public class Main { static final long MOD = 998244353; //static final long MOD = 1000000007; static boolean[] visited; public static void main(String[] args) throws IOException { FastScanner sc = new FastScanner(); int Q = sc.nextInt();...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class Solution { private static int[] a; public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(), m = sc.nextInt(); a = new int[101]; for (int i = 0; i < m; i++) { ...
nlogn
1011_B. Planning The Expedition
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.regex.Matcher; import java.util.regex.Pattern; public class RoundOneProblemB { /** * @param args */ public static void main(String[] args) { int n=1; BufferedReader input = new BufferedReader(new InputStreamReader(Sys...
linear
1_B. Spreadsheets
CODEFORCES
/** * @(#)DigitSequence.java * * * @author * @version 1.00 2019/6/1 */ import java.io.*; import java.util.*; public class DigitSequence { /** * Creates a new instance of <code>DigitSequence</code>. */ public DigitSequence() { } /** * @param args the command line arguments */ ...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.math.*; import java.util.*; import java.io.*; public class Main{ static StreamTokenizer in=new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in))); static BufferedReader buffer=new BufferedReader(new InputStreamReader(System.in)); static Scanner sc=new Scanner(System.in); ...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StreamTokenizer; public class D11 { static StreamTokenizer in; static PrintWriter out; static int nextInt() throws IOException { in.nextToken(); return (int)in.nval; } s...
np
11_D. A Simple Task
CODEFORCES
import java.io.*; import java.util.*; public class Main { // main public static void main(String [] args) throws IOException { // makes the reader and writer BufferedReader f = new BufferedReader(new InputStreamReader(System.in)); PrintWriter out = new PrintWriter(new BufferedOutputStream(System.out));...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.util.Arrays; import java.util.Scanner; /** * Created by IntelliJ IDEA. * User: Михаил * Date: 25.03.12 * Time: 19:03 * To change this template use File | Settings | File Templates. */ public class ProblemOne { public static void main(String [] args) { Scanner scanner = new Scanner(System....
nlogn
169_A. Chores
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.util.InputMismatchException; /** * @author Egor Kulikov (egor@egork.net) * Created on 14.03.2010 */ public class TaskA implements Runnable { private InputReader in; private PrintWri...
linear
17_A. Noldbach problem
CODEFORCES
import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; import java.lang.*; public class Third{ static long mod=1000000007; public static void main(String[] args) throws Exception{ InputReader in = new InputReader(System.in); PrintW...
linear
701_C. They Are Everywhere
CODEFORCES
import java.io.*; import java.util.*; public class tr { static int[][] ad; static boolean []vis; static int []goods; static int[][]sol; public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); int n=sc.nextInt()...
linear
1092_D1. Great Vova Wall (Version 1)
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; public class Main { static int mod = (int) 1e9 + 7; public static void main(String[] args) throws FileNotFoundException { FasterScanner s = new FasterScanner(); int test = 1; testloop: while (test-- > 0) { int n = s.nextInt(); int left = 1; in...
logn
713_B. Searching Rectangles
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.HashMap; import java.util.Map; import java.util.StringTokenizer; public class Main { private PrintWriter out; private Map<Integer, Integer> map; priva...
linear
468_B. Two Sets
CODEFORCES
import java.io.*; import java.util.*; public class C { MyScanner in; PrintWriter out; public static void main(String[] args) throws Exception { new C().run(); } public void run() throws Exception { in = new MyScanner(); out = new PrintWriter(System.out); solve();...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.util.*; public class Village { private class House implements Comparable<House>{ Double Coordinate; Double Sidelength; public House(double coordinate, double sidelength) { Coordinate = coordinate; Sidelength = sidelength; } public int compareTo(House o) { return Coordinate.compareTo(o.C...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.*; import java.util.*; import java.util.StringTokenizer; public class SolutionD { BufferedReader in; StringTokenizer str; PrintWriter out; String SK; String next() throws IOException { while ((str == null) || (!str.hasMoreTokens())) { SK = in.readLine(); if (SK == null)...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class A implements Runnable { public void run() { long startTime = System.nanoTime(); int n = nextInt(); String[] all = new String[9]; all[0] = "M"; for (int i = 0; i < 4; i++) { String s = ""; ...
linear
1000_A. Codehorses T-shirts
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.util.ArrayList; import java.io.InputStream; /** * Built using CHel...
logn
1080_D. Olya and magical square
CODEFORCES
import java.io.PrintWriter; import java.util.Scanner; public class B { public static void main(String[] args) { doIt(); } static void doIt() { Scanner sc = new Scanner(System.in); PrintWriter pw = new PrintWriter(System.out); long n = sc.nextLong(); long k = sc.nextLong(); long msum = (k - 1) * k / 2 ...
logn
287_B. Pipeline
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 IQTest implements Runnable { public static void main(String[] args) throws Exception { new IQTest().run();...
linear
25_A. IQ test
CODEFORCES