src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
import java.text.DecimalFormat; import java.util.Arrays; import java.util.Scanner; public class E { static Scanner sc = new Scanner(System.in); static int N; static double[][] p; static DecimalFormat format = new DecimalFormat("0.000000"); public static void main(String[] args) throws Exception { N = sc.nextIn...
np
16_E. Fish
CODEFORCES
import java.util.Scanner; public class A961_Tetris { public static void main(String[] args) { Scanner input = new Scanner(System.in); int platforms = input.nextInt(); int in = input.nextInt(); int[] cols = new int[platforms]; int[] squares = new int[in]; for (int i = 0; i < in; i ++) { squares[i...
quadratic
961_A. Tetris
CODEFORCES
/** * Created by ankeet on 7/22/16. */ import java.io.BufferedReader; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class C701 { static FastReader in = null; static PrintWriter out = null; public static void solve() ...
linear
701_C. They Are Everywhere
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 PrintWriter saida = new PrintWriter(System.out, false); public st...
np
839_E. Mother of Dragons
CODEFORCES
import java.io.*; import java.util.*; public class P035C { private class Pair { private int x; private int y; private Pair(int x, int y) { this.x = x; this.y = y; } public int hashCode() { return 37 * x + y; } ...
cubic
35_C. Fire Again
CODEFORCES
import java.math.BigInteger; import java.util.Scanner; public class ehsan { public static BigInteger f(BigInteger m,BigInteger n){ BigInteger s,l; s=n.multiply(m.add(BigInteger.valueOf(1))); l=m.multiply(m.add(BigInteger.valueOf(1))); l=l.divide(BigInteger.valueOf(2)); s=s.subtract(l); s=s.subtract(m); ...
logn
287_B. Pipeline
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; import java.awt.geom.*; import static java.lang.Math.*; public class Solution implements Runnable { public void solve () throws Exception { int n = sc.nextInt(); int k = sc.nextInt(); TreeSet<Integer> bad = new TreeSet<>(); int a [] = new int [n...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int a[] = new int[100004]; int b[] = new int[100004]; int n, m, ans = 0, dau, cuoi=-1; n = sc.nextInt(); m = sc.nextInt(); for(int i=0;i<1000...
linear
224_B. Array
CODEFORCES
import java.util.*; import java.lang.*; import java.math.*; import java.io.*; import static java.lang.Math.*; import static java.util.Arrays.*; public class Main { // static int INF=1<<28; //int x,y; static int sum=0; //static ArrayList<Integer> lis = new ArrayList<Integer>(); public static void main(Strin...
nlogn
135_A. Replacement
CODEFORCES
import java.util.*; import java.io.*; public class D1517 { public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); PrintWriter pw = new PrintWriter(System.out); int n = sc.nextInt(); int m = sc.nextInt(); int k = sc.nextInt(); int[][] costRight = new int[n][m - 1]...
cubic
1517_D. Explorer Space
CODEFORCES
import java.util.*; public class TwentyFive { public static void main(String[] args) { System.out.println("25"); } }
constant
630_A. Again Twenty Five!
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */ public class...
quadratic
908_C. New Year and Curling
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
import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.HashSet; import java.util.NoSuchElementException; import java.util.Objects; impo...
np
1242_C. Sum Balance
CODEFORCES
import java.io.BufferedReader; import java.io.FileInputStream; import java.io.InputStreamReader; import java.util.HashMap; public class B { /** * @param args */ public static void main(String[] args) throws Exception { // System.setIn(new FileInputStream("b.in")); BufferedReader bf = new BufferedReader(new ...
linear
224_B. Array
CODEFORCES
import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; public class LookingForOrder { static final int INF = (int)1e9; static Point a[]; ...
np
8_C. Looking for Order
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...
np
11_D. A Simple Task
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Subtractions { public static void main(String[] args) { InputReader r = new InputReader(System.in); int n = r.nextInt(); wh...
constant
267_A. Subtractions
CODEFORCES
import java.util.*; public class cf573 { public static void main(String[] args){ Scanner scan=new Scanner(System.in); int n=0; if(scan.hasNext()) n=scan.nextInt(); TreeSet<Integer> set=new TreeSet<>(); for(int i=0;i<n;i++){ if(scan.hasNext()) ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.*; import java.lang.*; import java.io.*; import java.math.*; public class Codeforces { static long MOD = 1_000_000_007L; static void main2() throws Exception { int n = ni(); int[] arr = nia(n); Map<Integer, List<Pair<Integer, Integer>>> map = new HashMap<>(); ...
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.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.StringTokenizer; import java.util.Vector; public class nal...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.*; import java.lang.*; import java.io.*; public class Codechef { static class FastScanner { BufferedReader br; StringTokenizer stok; FastScanner(InputStream is) { br = new BufferedReader(new InputStreamReader(is)); } String next() throws IOExc...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.*; import java.util.Arrays; import java.util.Scanner; /** * User: serparamon */ public class Codeforces_2012_08_31_A { public static void main(String[] args) throws IOException { //Scanner in = new Scanner(System.in); StreamTokenizer in = new StreamTokenizer(new BufferedReader(new...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.util.Arrays; import java.io.BufferedWriter; import java.io.Writer; import java.io.OutputStreamWriter; import java.util.InputMismatchException; import java.io.IOExcept...
cubic
1517_D. Explorer Space
CODEFORCES
import java.util.Scanner; public class D { public static void main(String[] args) { new D(); } D() { Scanner in = new Scanner(System.in); double a = in.nextDouble(); double v = in.nextDouble(); double l = in.nextDouble(); double d = in.nextDoub...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.util.*; import java.math.*; public class Solution{ private long [] sums; private void solve(){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m = sc.nextInt(); int k = sc.nextInt(); int [] arr = new int[n]; this.sums = new long[n]; ...
quadratic
1197_D. Yet Another Subarray Problem
CODEFORCES
import java.util.*; import java.io.*; public class Main{ public void run(){ Locale.setDefault(Locale.US); Scanner in = new Scanner(System.in); int n = in.nextInt(); double a[][] = new double[n][n]; for(int i=0;i<n;i++) for(int j=0;j<n;j++) a[i][j] = in.nextDouble(); double f[] = new double[...
np
16_E. Fish
CODEFORCES
import java.util.ArrayList; import java.util.Collections; import java.util.HashSet; import java.util.List; import java.util.Scanner; import java.util.Set; public class R015A { final double EPS = 1e-9; boolean isEqual(double x, double y) { return Math.abs(x-y) <= EPS * Math.max(Math.abs(x), Math.ab...
nlogn
15_A. Cottage Village
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
16_E. Fish
CODEFORCES
import java.io.*; import java.util.StringTokenizer; /** * CodeForces Round 5D. Follow Traffic Rules * Created by Darren on 14-9-14. */ public class Main { Reader in = new Reader(System.in); PrintWriter out = new PrintWriter(System.out); public static void main(String[] args) throws IOException { ...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; public class Main { Scanner in; static PrintWriter out; static class Scanner { StreamTokenizer in; Scanner(InputStream is) { in = new StreamTokenizer(new BufferedReader(new InputStreamReader(is))); in.resetSyntax(); in....
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.util.*; public class b { static int n,k,A; static int[] l,p; static double [][][] memo; public static void main(String[] args) { Scanner in = new Scanner(System.in); n = in.nextInt(); k = in.nextInt(); A = in.nextInt(); memo = new double[n+1][n+1][1<<n]; l = new int[n]; p = new int[n]; ...
np
105_B. Dark Assembly
CODEFORCES
import java.io.*; import java.util.Arrays; import java.util.StringTokenizer; public class KeyboardPurchase { static final int INF = 1000000000; public static void main(String[] args) { InputReader in = new InputReader(System.in); PrintWriter out = new PrintWriter(System.out, false); int...
np
1238_E. Keyboard Purchase
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 hheng */ public class Main { public static void main(String[] args) { In...
nlogn
169_A. Chores
CODEFORCES
import java.io.IOException; import java.util.Scanner; public class TC { static long N; static int k; static long WHOLESUM; static long SUM( long k ) { long res=k*( k+1 )/2; return res-1; } static long returnPipes( int mid ) { long not=SUM( mid-1 ); ...
logn
287_B. Pipeline
CODEFORCES
import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.ArrayList; import java.util.Arrays; import java.util.Bit...
logn
817_C. Really Big Numbers
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; // 203530 public class C { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = n...
cubic
840_C. On the Bench
CODEFORCES
import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.StreamTokenizer; import java.util.ArrayList; import java.util.List; import java.util.Locale; import java.util.Scanner; public class Main implements Runnable { /** * @param args */ public static void main(Stri...
np
11_D. A Simple Task
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class Main { static double[] dp; static double[][] P; public static void main(String[] args) { Scanner r = new Scanner(System.in); int n = r.nextInt(); double[][] g = new double[n][n]; for(int i = 0...
np
16_E. Fish
CODEFORCES
import static java.lang.Math.*; import static java.util.Arrays.* ; import java.math.BigInteger; import java.util.*; import java.io.*; public class D { int [][] adjList ; int dfs(int u , int p ) { int size = 1 ; for(int v : adjList[u]) if(v != p ) { i...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.Scanner; public class prob1177b { public static void main(String[] args){ Scanner sc=new Scanner(System.in); long k,c,n,d; c=1; d=9; n=1; k= sc.nextLong(); while(k>(c*d)) { k-=(c*d); n*=10; d*=10; ...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.File; import java.io.FileNotFoundException; import java.io.PrintWriter; import java.util.Scanner; /* * To change this template, choose Tools | Templates * and open the template in the editor. */ /** * * @author madis */ public class Pjar { static int a[][]; public static void main(Strin...
cubic
35_C. Fire Again
CODEFORCES
import java.util.*; public class MyClass { static class Pair implements Comparable<Pair>{ int x,y; Pair(int x,int y){ this.x=x; this.y=y; } public int compareTo(Pair p){ return Integer.compare(this.y,p.y); } } public static void main(String arg...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.PriorityQueue; import java.util.StringTokenizer; import java.util.TreeMap; public class D { static long l, r; static long[][][][][] dp; public static void main(String[] args) thr...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.io.InputStreamReader; import java.io.IOException; import java.util.InputMismatchException; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the to...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.HashMap; import java.util.Map.Entry; import java.util.Stack; import java.util.StringTokenizer; public class Main { public static void main(String[] ar...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] wide = new int[n], sta = new int[n]; HashMap<Integer, Integer> hm = new HashMap<Integer, Integer>(); for (int i = 0; i < n; i++)...
nlogn
982_B. Bus of Characters
CODEFORCES
import java.io.*; import java.util.*; public class Main { private static void solve(InputReader in, OutputWriter out) { int n = in.nextInt(); if (n < 6) { out.println(-1); } else { int m = (n - 2); for (int i = 2; i <= m; i++) { out.prin...
linear
959_C. Mahmoud and Ehab and the wrong algorithm
CODEFORCES
//package com.company; import java.io.*; import java.util.*; public class Main { public static class Task { public class Maxflow { class Edge { int t, rev; long cap, f; public Edge(int t, int rev, long cap) { this.t = t; ...
cubic
1187_G. Gang Up
CODEFORCES
import java.util.*; public class a{ public static void main(String[] args) { Scanner in = new Scanner(System.in); String str = in.next(); int max = 0; for(int i=0; i<str.length(); i++) { for(int j=i+1; j<=str.length(); j++) { String first = str.substring(i,j); for(int k=i+1; k<=str.length()-first.l...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.*; import java.math.BigDecimal; import java.math.BigInteger; import java.util.*; import static java.lang.Math.*; public class Main { StreamTokenizer in; //BufferedReader in; PrintWriter out; public static void main(String[] args) throws IOException { new Main().run(); } i...
linear
17_A. Noldbach problem
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; public class paintNumbers { public static int minIndex(List<Integer> list) { int min = list.get(0); int minIndex = 0; for (int i = 0; i < list.size(); i++) { if (list.get(i) < min) { min = list.get(i); minIndex = i; } } return minIndex;...
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.HashSet; import java.util.PriorityQueue; import java.util.Stack; import java.util.StringTokenizer; im...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.BufferedInputStream; import java.util.Scanner; /** * Created by jizhe on 2016/1/29. */ public class LCMChallenge { public static void main(String[] args) { Scanner in = new Scanner(new BufferedInputStream(System.in)); long N = in.nextLong(); if( N == 1 || N == 2 ) ...
constant
235_A. LCM Challenge
CODEFORCES
import java.awt.Point; import java.io.*; import java.lang.reflect.Array; import java.math.BigInteger; import java.util.*; import static java.lang.Math.*; public class Start { final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE") != null; BufferedReader in; PrintWriter out; StringTokenizer...
nlogn
257_A. Sockets
CODEFORCES
import java.util.*; import java.io.*; public class Solve{ public static void main(String[] args) throws Exception{ Scanner sc=new Scanner(System.in); PrintWriter out =new PrintWriter(System.out); int size=(int)1e7+1; int[] pr=new int[size]; for(int i=0;i<size;i++){ ...
cubic
1497E2
CODEFORCES
import java.util.*; import java.io.*; import java.util.Map.Entry; public class Codeforces { static int n; static double max; static int[] pre; public static void findIntensity(int l){ for(int i = 0, j = i + l; j < n + 1; i++, j++){ double res = (pre[j] - pre[i]) / (double) l; ...
quadratic
1003_C. Intense Heat
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.HashSet; import java.util.Set; public class ProblemD { static int N; static boolean[][] graph; public static void main(String[] args) throws IOExc...
np
11_D. A Simple Task
CODEFORCES
import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; /** * @author Egor Kulikov (kulikov@devexperts.com) */ public class Order implements Runnable { private Scanner in = new Scanner(System.in); private PrintWriter out = new PrintWriter(System.out); private int xs, ys, n; private int[] x...
np
8_C. Looking for Order
CODEFORCES
import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; public class SolA { static Scanner in; static PrintWriter out; public static void main(String[] args) { in = new Scanner(System.in); out = new PrintWriter(System.out); new SolA().run(); in.close(); out.close(); } privat...
nlogn
160_A. Twins
CODEFORCES
import java.math.BigInteger; import java.util.*; import java.util.stream.Collectors; import java.util.stream.IntStream; import java.util.stream.Stream; public class Practice { public static void main(String []args) { Scanner sc=new Scanner(System.in); int n=sc.nextInt(); sc.nextLine(); String s...
linear
976_A. Minimum Binary Number
CODEFORCES
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; public class G_PlaylistForPolycarp { static final int mod = 1000000007; static int dp[][]; public static void main(String[] args) throws IOException { ...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class problemA { 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[] hs = new int[n]; for(int i = 0; i < n; i++...
nlogn
169_A. Chores
CODEFORCES
import java.util.*; import java.io.*; import java.math.BigInteger; public class C113A{ static BufferedReader br; public static void main(String args[])throws Exception{ br=new BufferedReader(new InputStreamReader(System.in)); int nm[]=toIntArray(); int n=nm[0]; int k=nm[1]; ...
nlogn
166_A. Rank List
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Collections; import java.util.Random; import java.util.StringTokenizer; public class A { public static void main(String[] args) { InputScanner scanner = new InputScanne...
constant
483_A. Counterexample
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; import static java.util.Arrays.*; public class A { private static final int mod = (int)1e9+9; final IOFast io = new IOFast(); long k; long rec(long n, long m, long cur) { long pow = 1; long margin = 10; ...
logn
338_A. Quiz
CODEFORCES
import java.io.DataInputStream; import java.io.FileInputStream; import java.io.IOException; import java.util.*; public class B { public static void main(String[] args) throws IOException { Reader scan = new Reader(); int t = scan.nextInt(); for(int tt = 0;tt<t;tt++) { int n = scan.nextInt(); int ...
cubic
1523_C. Compression and Expansion
CODEFORCES
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ import java.io.*; import java.util.*; /** * * @author kamranmaharov */ public class Main { public static void main(Stri...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String s = sc.nextLine(); String[] info = s.split(" "); long n = Long.parseLong(info[0]); long k = Long.parseLong(info[1]); sc.close(); ...
logn
287_B. Pipeline
CODEFORCES
import java.util.*; public class A { public static int palin(String str) { int flag=0; int l=str.length(); for(int i=0;i<l/2;i++) { if(str.charAt(i)!=str.charAt(l-i-1)) { flag=1; break; } } if(fla...
linear
981_A. Antipalindrome
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; public class Main { public static void main(String[] args)throws java.lang.Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String s = br.readLine(); int max = 0; for (int i = 0; i...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */ public ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.BufferedReader; import java.io.FileReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Comparator; import java.util.Random; import java.util.StringTokenizer; /** * @author Polyarniy Nickolay */ public class ProblemD { private BufferedReader in; private Prin...
logn
276_D. Little Girl and Maximum XOR
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 = 1000L * 1000L * 1000L + 7; private static final int[] dx = {0, -1, 0, 1}; private static final int[] dy...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.*; import java.util.*; public class AA { static class O implements Comparable<O> { int problems; int penalty; public O(int p, int pp) { problems = p; penalty = pp; } public int compareTo(O arg0) { if (problems == arg0.problems) { return penalty - arg0.penalty; } return -(...
nlogn
166_A. Rank List
CODEFORCES
import java.util.*; import java.io.*; public class A { public static void main(String ar[]) throws Exception { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); String s1[]=br.readLine().split(" "); int n=Integer.parseInt(s1[0]); long x=L...
nlogn
1061_D. TV Shows
CODEFORCES
// Working program using Reader Class import java.io.DataInputStream; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; public class Main2 { static class Reader { final private int BUFFER_SIZE = 1 << 16; private DataInputStream din...
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.*; import static java.lang.Math.*; import static java.util.Arrays.*; public class A { int INF = 1 << 28; void run() { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int a = sc.nextInt(); int b = sc.nextInt(); long[] chores = new long[n]; ...
nlogn
169_A. Chores
CODEFORCES
import java.util.*; import java.io.*; public class EdA { static long[] mods = {1000000007, 998244353, 1000000009}; static long mod = mods[0]; public static MyScanner sc; public static PrintWriter out; public static void main(String[] omkar) throws Exception{ // TODO Auto-generated method stub sc = new MyS...
np
1238_E. Keyboard Purchase
CODEFORCES
import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int in = sc.nextInt(); if( in%4==0|| in%7==0|| in%44==0|| in%47==0|| in%74==0|| ...
constant
122_A. Lucky Division
CODEFORCES
import java.util.*; public class Main { public static void main(String[] args) { Scanner in =new Scanner(System.in); int n = in.nextInt(); int k = in.nextInt(); int[] arr = new int[n]; for(int i = 0; i < n; i++) arr[i] = in.nextInt(); for(int i = n-1; i > 0; i--) arr[i] -= arr[i-1]; arr[0] = 0; A...
nlogn
1197_C. Array Splitting
CODEFORCES
import static java.lang.Math.*; import static java.util.Arrays.*; import java.util.*; import java.io.*; public class Main { void solve() { double a = sc.nextDouble(); double v = sc.nextDouble(); double l = sc.nextDouble(); double d = sc.nextDouble(); double w = sc.nextDouble(); double res = calc(a, v, l...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.OutputStream; import java.io.Writer; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author palayutm */ pub...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.util.Scanner; public class ProblemC { public static void main(String[] args) { ProblemC problem = new ProblemC(); problem.solve(); } private void solve() { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); String s = sc.next(); int ret...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.LinkedList; import java.util.List; import java.util.Scanner; public class Main2 { static List<List<Integer>> getLayers(int[] numbers, int a, int b) { boolean[] used = new boolean[numbers.length]; HashSet<Integer> hs ...
linear
468_B. Two Sets
CODEFORCES
// Main Code at the Bottom import java.util.*; import java.io.*; public class Main{ //Fast IO class static class FastReader { BufferedReader br; StringTokenizer st; public FastReader() { boolean env=System.getProperty("ONLINE_JUDGE") != null; //env=true; if(!en...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.*; import java.util.*; public class RationalResistance { public static void main(String[] args) throws IOException { BufferedReader f = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(f.readLine()); long a = Long.parseLong(st.nex...
constant
343_A. Rational Resistance
CODEFORCES
import java.math.BigInteger; import java.util.Scanner; public class A235 { public static void main(String[] args) { Scanner scan = new Scanner(System.in); long n = scan.nextInt(); BigInteger res = null; if (n >= 3) { if (n % 2 != 0) { res = BigInteger.va...
constant
235_A. LCM Challenge
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...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.math.BigInteger; import java.util.Scanner; public class ehsan { public static BigInteger f(BigInteger m,BigInteger n){ BigInteger s,l; s=n.multiply(m.add(BigInteger.valueOf(1))); l=m.multiply(m.add(BigInteger.valueOf(1))); l=l.divide(BigInteger.valueOf(2)); s=s.subtract(l); s=s.subtract(m); ...
logn
287_B. Pipeline
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class CodeD { static class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); public String next...
np
8_C. Looking for Order
CODEFORCES
import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; public class e { public static class FastReader { BufferedReader br; StringTokenizer st; //it reads the data about the specified point and divide the data about it...
constant
1100_C. NN and the Optical Illusion
CODEFORCES
// discussed with rainboy import java.io.*; import java.util.*; public class CF915E { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); PrintWriter pw = new PrintWriter(System.out); int n = Integer.parseInt(br.readLine()); int...
nlogn
915_E. Physical Education Lessons
CODEFORCES
import java.util.HashMap; import java.util.Map; import java.util.Scanner; public class A23 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String s = sc.next(); Map<String, Boolean> map = new HashMap<String, Boolean>(); for (int i = s.length(); i >= 1; i--) { map.clear(); ...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.InputStreamReader; import java.io.IOException; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */ public class Main { public stat...
constant
483_A. Counterexample
CODEFORCES
import java.util.*; import java.io.*; public class DigitSequenceA { public static void main(String[] args) throws IOException{ FastReader in = new FastReader(); double digit = in.nextDouble(); double temp = digit; long[] seq = new long[13]; for(int i = 1; i<13; i++){ ...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.*; import java.text.*; import java.util.*; import java.math.*; public class G1 { public static void main(String[] args) throws Exception { new G1().run(); } int MOD = 1_000_000_007; public void run() throws Exception { FastScanner f = new FastScanner(); PrintWriter out = new PrintWr...
np
1185_G1. Playlist for Polycarp (easy version)
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.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * @author she...
cubic
387_D. George and Interesting Graph
CODEFORCES
import static java.lang.Integer.parseInt; import static java.lang.Long.parseLong; import static java.lang.Math.min; import static java.lang.System.exit; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public cla...
linear
1091_F. New Year and the Mallard Expedition
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; public class Hexadecimaltheorem { public static void main(String[] args) { BufferedReader buf = new BufferedReader( new InputStreamReader(System.in)); int x; ArrayList<Integer> arr = new ...
constant
199_A. Hexadecimal's theorem
CODEFORCES