src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
import java.io.*; import java.util.StringTokenizer; public class DoubleWord implements Runnable { boolean isLocalMode =false; private void doJob() throws Exception { //do here String s = nextToken(); int max=0; for(int i = 0;i<s.length();i++){ for(int j=i+...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.*; import java.awt.geom.Point2D; import java.text.*; import java.math.*; import java.util.*; public class Main implements Runnable { final String filename = ""; public int nextPerm(int[] a, int k) { if (a[0] == k) return -1; int last = 0; for (int i = a.length - 1; i >= 0; i--) if (a[i]...
np
105_B. Dark Assembly
CODEFORCES
import java.io.*; import java.util.*; public class Main { StreamTokenizer in; BufferedReader inb; PrintWriter out; public static void main(String[] args) throws Exception { new Main().run(); } public void run() throws Exception { in = new StreamTokenizer(new BufferedReader(new...
constant
122_A. Lucky Division
CODEFORCES
import java.io.*; import java.util.*; public class C { String line; StringTokenizer inputParser; BufferedReader is; FileInputStream fstream; DataInputStream in; void openInput(String file) { if(file==null)is = new BufferedReader(new InputStreamReader(System.in));//stdin else { try{ fstrea...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class Main implements Runnable { //public static final String FileName = "test"; StreamTokenizer ST; PrintWriter out; BufferedReader br; Scanner in; static final int inf = 1000000000+10; int nextInt() throws ...
np
8_C. Looking for Order
CODEFORCES
import java.util.*; import java.io.*; public class Solution { static class Reader { BufferedReader br; StringTokenizer st; public Reader() { br = new BufferedReader(new InputStreamReader(System.in)); } String next() { while (st == null || !st.hasMoreElements()) { try { st = new StringT...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.*; import java.util.*; public class C { InputStream is; int __t__ = 1; int __f__ = 0; int __FILE_DEBUG_FLAG__ = __f__; String __DEBUG_FILE_NAME__ = "src/C4"; FastScanner in; PrintWriter out; int charToIndex(char c) { if (Character.isLowerCase(c)) return c - 'a'; else if (Character.isU...
linear
701_C. They Are Everywhere
CODEFORCES
import java.util.InputMismatchException; import java.io.*; import java.util.HashMap; /** * Generated by Contest helper plug-in * Actual solution is at the bottom */ public class Main { public static void main(String[] args) { InputReader in = new StreamInputReader(System.in); PrintWriter out = n...
np
11_D. A Simple Task
CODEFORCES
import java.io.*; import java.util.*; public class Main implements Runnable { public void _main() throws IOException { int height = nextInt(); int width = nextInt(); int k = nextInt(); int[] r = new int[k]; int[] c = new int[k]; for (int i = 0; i < k; i++) { r[i] = nextInt() - 1; c[i] = nextInt()...
cubic
35_C. Fire Again
CODEFORCES
import java.util.*; public class Main{ void solve(){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int n1 = n/10; int n2 = n/100*10 + n%10; int ans = n; ans = Math.max(ans, n1); ans = Math.max(ans, n2); System.out.println(ans); } ...
constant
313_A. Ilya and Bank Account
CODEFORCES
import java.io.*; import java.util.Arrays; import java.util.StringTokenizer; public class VtoraiaStat implements Runnable { boolean isLocalMode = false; private void doJob() throws Exception { int n = nextInt(); int[] r = new int[n]; for(int i =0;i<n;i++){ r[i]=nextInt();...
nlogn
22_A. Second Order Statistics
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...
logn
1019_B. The hat
CODEFORCES
import java.util.Scanner; public class inversion__count { public static void main(String[] args) { Scanner s = new Scanner(System.in); int n=s.nextInt(); int[] a = new int[n+1]; for(int i=1;i<=n;i++){ a[i]=s.nextInt(); } int m=s.nextInt(); int count=0; for(int i=1;i<=n;i++){ f...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; public class LookingOrder { public static void main(String[] args) throws IOException{ BufferedReader in = new BufferedReader(new InputStreamReader(...
np
8_C. Looking for Order
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.lang.reflect.Array; import java.util.Arrays; import java.util.Comparator; import java.util.StringTokenizer; import java.util.function.Function; public class P1196D2 { static boolea...
quadratic
1196_D2. RGB Substring (hard version)
CODEFORCES
import java.io.*; import java.util.*; public class Template implements Runnable { private void solve() throws IOException { int n = nextInt(); int m = nextInt(); boolean[][] g = new boolean[n][n]; for (int i = 0; i < m; ++i) { int a = nextInt() - 1; int b = n...
np
11_D. A Simple Task
CODEFORCES
//package codeforces; import java.util.Scanner; public class Fingerprints { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int[] code = new int[scanner.nextInt()]; int[] prints = new int[scanner.nextInt()]; for (int i = 0; i < code.length; i++) { code[i] = scanner.ne...
quadratic
994_A. Fingerprints
CODEFORCES
import java.io.*; import java.util.*; public class Main { private static PrintWriter out; private static FastReader in; private static class FastReader { public BufferedReader reader; public StringTokenizer tokenizer; public FastReader(InputStream inputStream) { reader...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.Arrays; import java.io.BufferedWriter; import java.util.InputMismatchException; import java.io.Writer; import java.io.InputStream; /** * Built using CHelper plug-in * Actual soluti...
nlogn
257_A. Sockets
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class ToyArmy { /** * @param args * @throws IOException * @throws NumberFormatException */ public static void main(String[] args) throws NumberFormatException, IOException { BufferedReader br = new Buf...
constant
84_A. Toy Army
CODEFORCES
//package round429; 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 C2 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(); in...
cubic
840_C. On the Bench
CODEFORCES
import java.util.*; import java.io.*; /** * Created by HREN_VAM. */ public class A implements Runnable{ BufferedReader in; PrintWriter out; StringTokenizer st; public static final String filename = ""; public void solve() throws IOException{ int n = nextInt(); int[] a = new i...
linear
17_A. Noldbach problem
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.LinkedList; import java.util.PriorityQueue; import java.util.Stack; import java.util.StringTokenizer; import java.util.TreeSet;...
np
11_D. A Simple Task
CODEFORCES
//package codeforces; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Scanner; public class SameSumBlocksHard { public static void main(String[] args) { Scanner in = new Scanner(System.in...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class Round111ProbA { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int[]a = new int[n]; int s =0; for(int i =0 ; i < n;i++) { ...
nlogn
160_A. Twins
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.FilterInputStream; import java.io.BufferedInputStream; import java.io.InputStream; /** * @author khokharnikunj8 */ public class Main { public static void main(String[] args) { ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.Scanner; public class Main { 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() - 1; ...
np
11_D. A Simple Task
CODEFORCES
import java.util.*; import java.math.*; import static java.lang.Character.isDigit; import static java.lang.Character.isLowerCase; import static java.lang.Character.isUpperCase; import static java.lang.Math.*; import static java.math.BigInteger.*; import static java.util.Arrays.*; import static java.util.Collections.*;...
np
105_B. Dark Assembly
CODEFORCES
import java.io.*; import java.text.*; import java.util.*; import java.math.*; public class template { public static void main(String[] args) throws Exception { new template().run(); } long MOD = 1_000_000_007; public void run() throws Exception { FastScanner f = new FastScanner(); PrintWriter out = new PrintW...
cubic
1185_G2. Playlist for Polycarp (hard version)
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class Main { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); StringTokenizer tokenizer=null; public static void main(String[] args) throws IOException { new Main().execute(); } void debug(Object...os) { System.out...
nlogn
169_A. Chores
CODEFORCES
//package contese_476; import java.util.*; public class q1 { int m=(int)1e9+7; public class Node { int a; int b; public void Node(int a,int b) { this.a=a; this.b=b; } } public int mul(int a ,int b) { a=a%m; b=b%m; return((a*b)%m); } public int pow(int a,int b) { int x=1; while(b>0) { if(b%2!=0) x=mul...
linear
1013_B. And
CODEFORCES
import java.util.Scanner; import java.io.OutputStream; import java.io.IOException; import java.io.PrintWriter; import java.math.BigInteger; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * @author BSRK Aditya */ public class Main { public static void main(String[] ar...
logn
338_A. Quiz
CODEFORCES
import java.util.*; import java.io.*; public class Main { static Scanner console; public static void main(String[] args) { console = new Scanner(System.in); int n = console.nextInt(); List<Integer> arr= new ArrayList<>(); for(int i = 0; i < n; i++) arr.add( console.nextInt()); Collections.sort(arr); L...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.DataInputStream; import java.io.IOException; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Comparator; public class D { private static void run() throws IOException { int n = in.nextInt(); int m = in.nextInt(); in...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.*; import java.util.*; public class Solution{ static class FastReader { BufferedReader br; StringTokenizer st; public FastReader() { br = new BufferedReader(new InputStreamReader(System.in)); } String next() ...
quadratic
1011_B. Planning The Expedition
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.util.Arrays; import java.io.BufferedWriter; import java.io.Writer; import java.io.OutputStreamWriter; import java.util.InputMismatchException; import java.io.IOExcept...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.StringTokenizer; import javax.sound.midi.Synthesizer; public class Main { static int V; stati...
np
11_D. A Simple Task
CODEFORCES
import java.util.*; public class global{ public static void main(String s[]){ Scanner sc = new Scanner(System.in); long n = sc.nextLong(); String st = String.valueOf(n); if(st.length()==1){ System.out.println(n); }else{ long val = 1; long prev=9; long total=9; long late=9; for(int...
logn
1177_B. Digits Sequence (Hard Edition)
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 Sparsh Sanchorawala */ pub...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.io.*; import java.util.Arrays; import java.util.Comparator; import java.util.StringTokenizer; import java.util.stream.IntStream; public class B { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader in ...
logn
1019_B. The hat
CODEFORCES
import java.util.ArrayList; import java.util.Collections; import java.util.Scanner; public class C908 { public static class mPoint implements Comparable<mPoint> { public double a, b; public mPoint(int a, double b) { this.a = a; this.b = b; } public int compareTo(mPoint p) { return b < p.b ? 1 : (b > p...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; import static java.lang.Math.cos; import static java.lang.Math.min; public class E_fast { static int g[][]; static int n, m; static char[] s; static int dp[], inf = (int) 2e9; static int cost[][]; public static voi...
np
1238_E. Keyboard Purchase
CODEFORCES
/** * @author: Mehul Raheja */ import java.util.*; import java.io.*; public class p4 { /* 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 = new ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String args[]) { Scanner in=new Scanner(System.in); String str=in.next(); int cnt=0; for(int i=0;i<str.length();++i) { if(str.charAt(i)=='1') { ++cnt; } } int i=0; for(;i<str.length();++i) { if(str.charAt(i)=='0') { S...
linear
1009_B. Minimum Ternary String
CODEFORCES
import java.util.*; import java.io.*; public class Main{ public static void main (String[] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(), min[] = new int[n]; boolean used[] = new boolean[n]; HashSet<Integer> set = new HashSet<>(); for (int i = 0; i < n; i++) { min[i] =...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.awt.geom.*; import java.io.*; import java.math.*; import java.util.*; import java.util.regex.*; import static java.lang.Math.*; public class A { public A() throws Exception { int n = in.nextInt(); int[] arr = new int[n]; for (int i=0;i<n;i++) arr[i] = in.nextInt(); ...
nlogn
135_A. Replacement
CODEFORCES
import java.io.*; import java.util.*; public class b{ static class FastReader{ BufferedReader br; StringTokenizer st; public FastReader() { br = new BufferedReader(new InputStreamReader(System.in)); } String next() { while (st == null || !st.hasMoreElements()) { try ...
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.Scanner; public class CodeforcesRound176B { /** * @param args */ public static void main(String[] args) { Scanner kde =new Scanner (System.in); Long n = kde.nextLong(); //дома и кол труб Long k = kde.nextLong(); // разветлители if(((k-1)*(k-2)+2*k)<(n*(long)2)) { System.out...
logn
287_B. Pipeline
CODEFORCES
import java.io.*; import java.util.*; import java.util.Map.Entry; public class ProblemA { public static void main (String args[]) throws IOException{ BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); int n=Integer.parseInt(br.readLine()); String s1=br.readLine(); String[] s=s1.split(" ")...
quadratic
1209_A. Paint the Numbers
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...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.io.BufferedReader; import java.io.PrintWriter; import java.io.InputStreamReader; import java.io.IOException; import java.util.*; public class CF23A implements Runnable{ public static void main(String args[]){ new CF23A().run(); } @Override public void run(){ tr...
cubic
23_A. You're Given a String...
CODEFORCES
/** * Created by IntelliJ IDEA. * User: mac * Date: 11-12-9 * Time: 下午10:48 * To change this template use File | Settings | File Templates. */ import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringT...
nlogn
135_A. Replacement
CODEFORCES
import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws Exception{ BufferedReader jk = new BufferedReader(new InputStreamReader( System.in)) ; PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out)) ; StringTokenizer ana = new StringToken...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; public class A { String filename = ""; final int INF = 1_000_000_000; void solve() { int n = readInt(); int[] a = new int[n]; for(int i = 0;i<n;i++){ a[i] = readInt(); } Map<Integer, Integer>[] maps = new Map[n]; ...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
//package round503; import java.io.PrintWriter; import java.util.Arrays; import java.util.Random; import java.util.Scanner; public class B2 { Scanner in; PrintWriter out; String INPUT = ""; // 12123432 // 12343212 int qc = 0; int n; int[] table; int val(int x) { if(table[x] != Integer.MIN_VALUE)ret...
logn
1019_B. The hat
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Cf1017A { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer...
linear
1017_A. The Rank
CODEFORCES
import java.io.*; import java.lang.reflect.Array; import java.util.*; public class main { public static void main(String[] args) throws IOException { Locale.setDefault(Locale.US); br = new BufferedReader(new InputStreamReader(System.in)); PrintWriter pw = new PrintWriter(System.out); ...
linear
1004_A. Sonya and Hotels
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 B implements Runnable { String file = "input"; boolean TEST = false; double EPS = 1e-8; void solve() throws IOException ...
np
105_B. Dark Assembly
CODEFORCES
import java.util.Scanner; public class Solution { public static void main(String[] args) { long b=0;long p=1; Scanner s=new Scanner(System.in); long m=s.nextLong(); long x=1; do{ p=(m+b)/x; b=10*b+10; x++; }while(p/(long)Math.pow(10...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.util.*; public class A { public static void main(String args[]) { Scanner sc = new Scanner (System.in); int n = sc.nextInt(); int a[] = new int[n+1]; for(int i=1 ; i<=n ; i++) a[i] = sc.nextInt(); int cnt = 0; for(int i=1 ; i<=n ; i++) { for(int j=i-1 ; j>=1 ; j--) { if(a[i]<a[j]) +...
quadratic
911_D. Inversion Counting
CODEFORCES
/*input 3 2 3 2 5 7 4 2 4 3 6 4 1 5 2 10 4 8 6 6 4 9 10 5 4 9 5 8 7 3 3 9 9 9 1 1 1 1 1 1 */ import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.PrintStream; import java.util.StringTokenizer; import java.util.Random; import java.io.IOException...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Iterator; import java.util.StringTokenizer; import java.util.Vector; public class B { static Vector<Integer> primes; public static void main(String[] args) throws IOException { InputReader myScanner = new...
linear
224_B. Array
CODEFORCES
import java.util.Scanner; public class Seq2 { static void metod() { 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 = a[0]; for (int i = 1; i < a.length; i++) { ...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.io.*; import java.util.*; public class D { public static void main(String[] args) throws IOException { new D().solve(); } void solve() throws IOException { Scanner sc = new Scanner(System.in); BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); ...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
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 double p[][]; static double dp[]; static int n; public static int BitCount(int u) { int uCount; uCount = u - ((u >> 1) & 03333333...
np
16_E. Fish
CODEFORCES
/** * Created by IntelliJ IDEA. * User: Taras_Brzezinsky * Date: 8/14/11 * Time: 9:53 PM * To change this template use File | Settings | File Templates. */ import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.FileReader; import java.util.StringTokenizer; imp...
np
16_E. Fish
CODEFORCES
import java.util.*; import java.io.*; import java.lang.reflect.Array; public class codeforces { public static void main(String[] args) { InputReader in = new InputReader(System.in); PrintWriter pw = new PrintWriter(System.out); int n = in.nextInt(); long U = in.nextLong(); long[] E = ne...
nlogn
957_C. Three-level Laser
CODEFORCES
/* * To change this template, choose Tools | Templates * and open the template in the editor. */ import java.io.*; import java.math.BigInteger; import java.util.*; import java.text.*; public class cf276d { static BufferedReader br; static Scanner sc; static PrintWriter out; public static void ini...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.io.*; import java.util.*; public class Main implements Runnable { public void _main() throws IOException { int n = nextInt(); int even = 0, odd = 0, atEven = -1, atOdd = -1; for (int i = 0; i < n; i++) { if (nextInt() % 2 == 0) { atEven = i; ++even; } else { atOdd = i; ++od...
linear
25_A. IQ test
CODEFORCES
import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.util.HashSet; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is...
nlogn
274_A. k-Multiple Free Set
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.util.ArrayList; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author...
quadratic
1015_B. Obtaining the String
CODEFORCES
//package round8; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; public class C { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int x = ni(), y = ni(); int n = ni(); int[][] co = new int...
np
8_C. Looking for Order
CODEFORCES
//package global14; import java.io.*; import java.util.ArrayDeque; import java.util.Arrays; import java.util.InputMismatchException; import java.util.Queue; public class E2 { InputStream is; FastWriter out; String INPUT = ""; public static int[][] enumFIF(int n, int mod) { int[] f = new int[n + 1]; int[] inv...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.io.*; import java.util.*; public class A { BufferedReader in; StringTokenizer st; PrintWriter out; String next() throws IOException { while (st == null || !st.hasMoreTokens()) st = new StringTokenizer(in.readLine()); return st.nextToken(); } int nextInt() throws Exception { return Integer...
nlogn
257_A. Sockets
CODEFORCES
import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.LinkedList; import java.util.Queue; import java.util.StringTok...
cubic
35_C. Fire Again
CODEFORCES
import java.util.*; import java.io.*; public class A { public static void main(String[] args) { Kattio io = new Kattio(System.in); int n = io.getInt(); int ans = 0; int V = n; int A = n; A -= n/2; ans += n/2; V -= A; ans += A; ...
constant
84_A. Toy Army
CODEFORCES
import java.util.Scanner; import java.util.Vector; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m = sc.nextInt(); int a[] = new int[n]; int b[] = new int[n]; for (int i = 0; i < n; i++) ...
nlogn
1010_A. Fly
CODEFORCES
import java.io.PrintWriter; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.Scanner; public class F11141 { static class Solver { ArrayList<int[]> ranges[]; HashMap<Long, Integer> hm = new HashMap<>(); int id(long s) { if (!hm.cont...
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.util.Arrays; import java.util.PriorityQueue; public class D_Rnd718_Explorer { static int row, col; static int INF = 1_000_000_000; static int[] dx = {0, 0, 1, -1}; static int[] dy = ...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class Subtraction { static long c=0; public static void main(String[] args) throws IOException { BufferedReader reader=new BufferedReader(new InputStreamReader(System.in)); int n=Integer.parseInt...
constant
267_A. Subtractions
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class TaskB { static BufferedReader in = new BufferedReader(new InputStreamReader( System.in)); static StringTokenizer str; static String SK; static String...
logn
287_B. Pipeline
CODEFORCES
//package com.krakn.CF.B1159; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n; n = sc.nextInt(); int[] arr = new int[n]; for (int i = 0; i < n; i++) { arr[i] = sc.nextInt(); ...
linear
1159_B. Expansion coefficient of the array
CODEFORCES
import java.io.*; import java.util.*; import java.lang.*; public class Main implements Runnable { static class InputReader { private InputStream stream; private byte[] buf = new byte[1024]; private int curChar; private int numChars; private SpaceCharFilter filter; p...
np
1102_F. Elongated Matrix
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; import java.util.StringTokenizer; import java.io.BufferedReader; import java.io.InputStream; ...
quadratic
1097_G. Vladislav and a Great Legend
CODEFORCES
import java.util.*; import java.io.*; import java.text.*; import java.math.*; import static java.lang.Integer.*; import static java.lang.Double.*; import java.lang.Math.*; public class A { public static void main(String[] args) throws Exception { new A().run(); } public void run() throws Exception { FastIO fi...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class Main { public static void main(String[] args) throws IOException { PrintWriter out = new PrintWriter(System.out); //Scanner sc = new Scanner(); Reader in = new Reader(); Main solver = new Main(); solver....
nlogn
958_B2. Maximum Control (medium)
CODEFORCES
import javax.print.DocFlavor; import java.util.ArrayList; import java.util.HashMap; import java.util.Scanner; import java.util.Stack; public class p1523C { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int t = sc.nextInt(); for (int i = 0; i < t ; i++) { ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.Scanner; //http://codeforces.com/contest/909/problem/C public class PythInd { public static final int MOD = 1000000007; public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = Integer.parseInt(sc.nextLine()); String[] sTypes = new String[n]; for (int i = 0; i <...
quadratic
909_C. Python Indentation
CODEFORCES
import java.util.*; public class Rules { public static void main(String[] args) { Scanner in = new Scanner(System.in); int a = in.nextInt(); double maxSpeed = in.nextInt(); double len = in.nextInt(); double delayDist = in.nextInt(); double delaySpeed = in.nextInt(); // two cases: I r...
constant
5_D. Follow Traffic Rules
CODEFORCES
//package round25; import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; public class A { private Scanner in; private PrintWriter out; private String INPUT = ""; public void solve() { int n = ni(); int[] u = new int[n]; int fe = -1, fo = -1; int ne = -1, no = -1; for(int i = 0...
linear
25_A. IQ test
CODEFORCES
import java.io.*; import java.util.*; public class E16 { static double[][] grid; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); grid = new double[n][n]; for(int i = 0; i < n; i++) { ...
np
16_E. Fish
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...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.util.Map; import java.util.HashMap; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /**...
nlogn
1029_D. Concatenated Multiples
CODEFORCES
import java.io.BufferedReader; import java.io.OutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.Reader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */ public class Main { public static void main(S...
constant
343_A. Rational Resistance
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...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.util.NoSuchElementException; public class Main { private static FastScanner sc = new FastScanner(); private static long mod = 1000000007; public static void main(String[] args) { int n = sc.nextInt(); int T = sc.nextInt(); ...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
/** * @author derrick20 */ import java.io.*; import java.util.*; public class SameSumBlocks { public static void main(String[] args) throws Exception { FastScanner sc = new FastScanner(); PrintWriter out = new PrintWriter(System.out); int N = sc.nextInt(); int[] pre = new int[N +...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.util.*; import java.io.*; public class Main { public static void main(String args[]) {new Main().run();} FastReader in = new FastReader(); PrintWriter out = new PrintWriter(System.out); void run(){ int q=in.nextInt(); for(int i=0;i<q;i++) { work(); } out.flush(); } long mod=1000000007; l...
logn
1080_D. Olya and magical square
CODEFORCES
import java.io.BufferedReader; import java.io.Closeable; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Comparator; import java.util.List; import java.util.StringTokenizer; public class ChainReaction im...
nlogn
608_C. Chain Reaction
CODEFORCES
import java.util.ArrayList; import java.util.Scanner; public class kosyaDetka { public static void main(String[] args){ Scanner scan = new Scanner(System.in); int t = scan.nextInt(); ArrayList<Integer> arr = new ArrayList<>(); for(int i = 0; i < t; i++){ arr.add( scan...
quadratic
1209_A. Paint the Numbers
CODEFORCES