src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.HashMap; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; import java.util.StringTokenizer; import java.util.Map; import java....
np
1242_C. Sum Balance
CODEFORCES
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.util.ArrayList; import java.util.Arrays; import java.util...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.util.Arrays; import java.util.InputMismatchException; public class R113_D2_A { public static void main(String[] args) throws NumberFormatException, IOException { // BufferedReader in = new BufferedReader(new // InputSt...
nlogn
166_A. Rank List
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.HashSet; import java.util.Set; import java.util.StringTokenizer; public class p2 { final static BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); private static String ss() throws IOE...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.io.*; import java.util.*; public class B { BufferedReader br; PrintWriter out; StringTokenizer st; boolean eof; int[] level; int[] loyal; double ans; int n, k, plLev, needVotes; double check() { //System.err.println(Arrays.toString(loyal)); ...
np
105_B. Dark Assembly
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.*; public class Codechef{ static int max=Integer.MIN_VALUE; static int res=0; static int[] checkMax(int arr[],int j){ int sum=0; int x=arr[j]; while(x!=0){ if(j+1==15){ j=0; }else{ ...
constant
975_B. Mancala
CODEFORCES
import java.util.Scanner; public class Contest25_A { static int[] parity; public static void main(String[] args) { Scanner scan = new Scanner(System.in); int numberEntries = scan.nextInt(); scan.nextLine(); String[] numbers = scan.nextLine().split(" "); ...
linear
25_A. IQ test
CODEFORCES
import java.awt.Point; import java.io.*; import java.math.BigInteger; import java.util.*; import static java.lang.Math.*; public class ProblemE_16 { final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE")!=null; BufferedReader in; PrintWriter out; StringTokenizer tok = new StringTokenize...
np
16_E. Fish
CODEFORCES
import java.util.*; import java.lang.*; import java.math.*; import java.io.*; public class lc1 implements Runnable{ public void run() { InputReader s = new InputReader(System.in); PrintWriter w = new PrintWriter(System.out); int t = 1; while(t-- > 0) { int n = s.nextInt(); in...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.*; import java.util.*; public class D implements Runnable { public static void main(String[] args) { new D().run(); } class FastScanner { BufferedReader br; StringTokenizer st; boolean eof; String buf; public FastScanner(String fileName) throws FileNotFoundException { br = new Buffer...
np
11_D. A Simple Task
CODEFORCES
import java.io.*; import java.util.*; import java.math.BigInteger; import java.util.Map.Entry; import static java.lang.Math.*; public class A extends PrintWriter { void run() { int n = nextInt(); int m = 101; boolean[] c = new boolean[m]; for (int i = 0; i < n; i++) { ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; public class Sockets { public static void main(String[] args) { Scanner in = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); int n = in.nextInt(), m = in.nextInt(), socket = in.nextInt(); ...
nlogn
257_A. Sockets
CODEFORCES
import java.io.OutputStreamWriter; import java.io.BufferedWriter; import java.util.Comparator; import java.io.OutputStream; import java.io.PrintWriter; import java.io.Writer; import java.io.IOException; import java.util.Arrays; import java.util.InputMismatchException; import java.math.BigInteger; import java.io.InputSt...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintStream; import java.io.PrintWriter; import java.util.*; public class Main { private static void solve() throws IOExcept...
constant
630_A. Again Twenty Five!
CODEFORCES
import java.io.IOException; import java.util.Arrays; import java.io.FilterInputStream; import java.util.HashMap; import java.util.Iterator; import java.io.OutputStream; import java.io.PrintWriter; import java.util.TreeSet; import java.io.BufferedInputStream; import java.io.InputStream; /** * Built using CHelper plug-...
linear
468_B. Two Sets
CODEFORCES
import java.io.*; import java.util.*; public class A { int n; void run()throws IOException{ Scanner sc = new Scanner(new InputStreamReader(System.in)); n = sc.nextInt(); int i,tmp,even,odd,e,o; even=odd=e=o=0; for(i=1;i<=n;i++){ tmp = sc.nextInt(); if(tmp%2==0){ e++; if(even==0) even=i;...
linear
25_A. IQ test
CODEFORCES
import java.util.Scanner; public class code0 { public static void main(String[] args){ Scanner scr= new Scanner(System.in); int c=0,e=0,d=0; int a=scr.nextInt(); d=a/2; if(a>=11 && a%2==1){ c=9; e=a-9; } else{ c=a-4;e=4; } System.out.print(c+" "+e); } }
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; import java.io.IOException; import java.util.Collections; import java.util.ArrayList; import java.io.InputStream; /** * Built using CHelper...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.util.*; public class D { public static void main(String[] args) { Scanner sc = new Scanner(System.in); long L = sc.nextLong(); long R = sc.nextLong(); long res = Math.max(2 * Long.highestOneBit(L ^ R) - 1, 0); System.out.println(res); } }
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class AAA { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTok...
constant
1028_B. Unnatural Conditions
CODEFORCES
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may ...
nlogn
527_C. Glass Carving
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class HexTheorem { public static void main(String[] args) throws NumberFormatException, IOException { BufferedReader read = new BufferedReader(new InputStreamReader(System.in)); int x = Integer.pars...
constant
199_A. Hexadecimal's theorem
CODEFORCES
import java.awt.Point; import java.io.BufferedReader; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.UnsupportedEncodingException; import java.net.URISyntaxException; import java.util.LinkedList; import...
cubic
35_C. Fire Again
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class StrangeAddition { public static void main(String[] args) throws IOException { PrintWriter out = new PrintWriter(System.out); sc = new StringToken...
constant
267_A. Subtractions
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.FileReader; import java.io.InputStreamReader; import java.io.File; import java.io.FileNotFoundExcep...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.util.*; import java.math.*; import java.io.*; import static java.lang.Math.*; import static java.util.Arrays.*; import static java.util.Collections.*; public class Main{ // ArrayList<Integer> lis = new ArrayList<Integer>(); // ArrayList<String> lis = new ArrayList<String>(); // PriorityQueue<P> que ...
linear
468_B. Two Sets
CODEFORCES
import java.util.*; import java.io.*; public class paint { static PriorityQueue<Integer> sequence; public static void main (String [] args) throws IOException { BufferedReader f = new BufferedReader(new InputStreamReader(System.in)); PrintWriter out = new PrintWriter(System.out, true); int numSeq = ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class BetaRound72_Div2_A implements Runnable { final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE") != null; BufferedReader in; PrintWriter out; StringTokenizer tok = new StringTokenizer(""); void init() throws IOException ...
constant
84_A. Toy Army
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 Pradyumn */ public class M...
logn
1019_B. The hat
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class C{ static long mod=1000000007; static int n; static long w[][]; static void MainMethod()throws Exception{ n=reader.nextInt(); w=new long[n+2][n+2]; for (int i=0;i<=(n+1);i++) Arrays.fill(w[i], 0); w[1][0]=1; String prev,next; p...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.*; import java.util.*; public class tank { static final FastScanner fs = new FastScanner(); static PrintWriter out = new PrintWriter(System.out); public static void main(String[] args) { int t = fs.nextInt(); while(t-->0) { run_case(); } out.cl...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.Scanner; public class C { public static void main (String args[]) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int r = in.nextInt(); double pos[][] = new double[n][2]; for(int i = 0; i < n; i++) { pos[i][0] = in.nextInt(); doub...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.*; public class A { public static void main(String[] args) { new A(new Scanner(System.in)); } public A(Scanner in) { int n = in.nextInt(); int t = in.nextInt(); int tt = 2*t; rect[] rs = new rect[n]; for (int i=0; i<n; i++) rs[i] = new re...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.*; import java.util.ArrayList; import java.util.List; import java.util.Random; import java.util.StringTokenizer; public class q1 { public static MyScanner in = new MyScanner(); public static PrintWriter out = new PrintWriter(new BufferedOutputStream(System.out), true); public static MyViewe...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.io.*; import java.util.*; public class a implements Runnable { private void solve() throws IOException { int n = nextInt(); int oddcnt = 0, evencnt = 0; int odd = 0, even = 0; for (int i = 0; i < n; i++) { int a = nextInt(); if (a % 2 == 0) { even = i + 1; evencnt++; } else { ...
linear
25_A. IQ test
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class Dummy { private static long mod = 1000000007; public static void main(String[] args) throws IOException { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); String[] strs = r...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
// Don't place your source in a package import java.lang.reflect.Array; import java.text.DecimalFormat; import java.util.*; import java.lang.*; import java.io.*; import java.math.*; // Please name your class Main public class Main { static FastScanner fs=new FastScanner(); static class FastScanner {//sc...
cubic
1497E2
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////// SOLUTION ///////////////////////////////...
constant
235_A. LCM Challenge
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Arrays; import java.util.HashSet; import java.util.StringTokenizer; public class A { public static void main(String[] args) throws IOException{ BufferedReader br = new Buffere...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.Scanner; import java.util.StringTokenizer; import static java.lang....
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import com.sun.org.apache.xpath.internal.axes.SubContextList; import java.util.Scanner; /** * * @author Madi */ public class Round42CC { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = Integer.parseInt(sc.nextLine()); String s = sc.nextLine(); ...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.io.*; import java.util.Scanner; /** * @author pvasilyev * @since 8/16/13 */ public class ProblemC { public static final String FILE_IN = "std.in"; public static final String FILE_OUT = "std.out"; private static boolean debugMode = true; private static final long MOD = 1000 * 1000 * 1000...
logn
338_A. Quiz
CODEFORCES
import java.util.*; import java.io.*; public class Longest { public static void main(String[] args) { Scanner sc=new Scanner(System.in); String str=sc.nextLine(); int max=0; for(int i=0;i<str.length();i++) { for(int x=0;x+i<=str.length();x++) { if(contains(str,str.substring(x,x+i),x)) { /...
cubic
23_A. You're Given a String...
CODEFORCES
//package round169; 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 D2 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { long L = nl(), R =...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.util.Scanner; public class C { public static void main(String[] args) { new C(); } C() { Scanner in = new Scanner(System.in); long n = in.nextLong(), s = in.nextLong(); long lo = 1, hi = 1000000000000000000L; while(lo<hi){ //System.out.println(lo+" "+hi); //STUPID STUPID DUMB...
logn
817_C. Really Big Numbers
CODEFORCES
import java.util.*; import java.io.*; import java.awt.Point; import static java.lang.Math.*; public class P166A { public static void main(String[] args) throws Exception { Scanner in = new Scanner(System.in); int n = in.nextInt(); int k = in.nextInt(); Point[] P = new Point[n]; ...
nlogn
166_A. Rank List
CODEFORCES
import java.io.*; import java.util.*; public class A { public static void main(String[] args) throws IOException { Scanner sc=new Scanner(System.in); PrintWriter pw=new PrintWriter(System.out); int n=sc.nextInt(); String []a=new String[n]; String []b=new String[n]; TreeMap<S...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.util.ArrayList; import java.util.Collections; import java.util.Scanner; public class LittleElephant { public static void main(String[] args){ Scanner input = new Scanner(System.in); int n = input.nextInt(); int temp; ArrayList<Integer> a2 = new ArrayList<Integer>(); ArrayList<Integer> a1 = new...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.util.*; import java.io.*; public class Main { public static void main(String[] args) { FastReader reader = new FastReader(); PrintWriter writer = new PrintWriter(System.out); long n = reader.nextLong(); long k = reader.nextLong(); long s=0; long e=n; long ans = -1; while (s<=e) { lo...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; public class D { BufferedReader reader; StringTokenizer tokenizer; PrintWriter out; public void solve() throws IOException { int N = nextInt(); int M = n...
cubic
387_D. George and Interesting Graph
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int m = in.nextInt(); boolean[][] graph = new boolean[n][n]; for(int i = 0; i < m; i++) { ...
np
11_D. A Simple Task
CODEFORCES
import java.io.*; import java.lang.reflect.Array; import java.util.*; import java.util.regex.*; //import java.math.*; //import static java.lang.Math.*; //import static java.util.Arrays.*; public class Main{ public static void main(String[] args) throws IOException { //1-checker 2-console //if (args.length...
linear
1_B. Spreadsheets
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; import java.io.IOException; import java.util.Comparator; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution i...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class Solution { BufferedReader in; PrintWriter out; StringTokenizer st; int n, k; boolean[] prime; int[] primes; void sieve() { prime = new boolean[n + 1]; Arrays.fill(prime, true); pri...
linear
17_A. Noldbach problem
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int one, two; if(n%2 == 0) { one = two = n/2; if(one%2 != 0 && two%2 != 0) ...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.Reader; import java.util.*; public class C { public static void main(String[] args) { FastScanner sc = new FastScanner(); int n = sc.nextInt(); long r = sc.nextInt(); double d = 2 * r; lon...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.*; public class C { public static void main(String[] args) { new C(new Scanner(System.in)); } vect[] vs; int N; int oo = 987654321; ArrayList<choice> cs; choice[][] cg; int MF; int[] memo; int[] next; int go(int m) { if (m == MF) retur...
np
8_C. Looking for Order
CODEFORCES
import java.util.ArrayList; import java.util.Collections; import java.util.HashSet; import java.util.Scanner; public class A { /** * @param args */ public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); HashSet<Integer> set = new ...
nlogn
22_A. Second Order Statistics
CODEFORCES
// by agus.mw import java.util.*; import java.io.*; public class Main{ public static void main(String[] args) throws Exception { new Main().doWork(); } void doWork() throws Exception{ BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter writer = new BufferedWri...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.*; import java.text.*; import java.math.*; import java.util.*; public class Main { private BufferedReader in; private BufferedWriter out; double time(double a, double l, double v0, double v) { double t = (v - v0) / a; double s = a * t * t / 2 + v0 * t; if (s <= l) { return t + (l - s) / v;...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.io.*; import java.util.*; public class E2 { static ArrayList<Integer> primes; static int[] mind; final static int MAXA = (int) 1e7; public static void main(String[] args) throws IOException { BufferedReader f = new BufferedReader(new InputStreamReader(System.in)); StringTok...
cubic
1497E2
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.HashMap; import java.util.HashSet; import java.util.StringTokenizer; import java.util.TreeMap; import...
quadratic
909_C. Python Indentation
CODEFORCES
import java.util.Scanner; public class origami { public static void main(String args[]){ Scanner input = new Scanner(System.in); double n = input.nextInt(); double k = input.nextInt(); double red = 0; double green = 0; double blue = 0; double ans = 0; red = (2 * n) / k; green = (5 * n) / k; blue ...
constant
1080_A. Petya and Origami
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class Solution { public static void main(String[] args) throws IOException { new Solution().run(); } StreamTokenizer in; Scanner ins; PrintWriter out; int nextInt() throws IOException { in.nextToken(...
nlogn
169_A. Chores
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; import static java.util.Arrays.*; public class cf1102f { public static void main(String[] args) throws IOException { int n = rni(), m = ni(), a[][] = new int[n][]; for (int i = 0; i < n; ++i) { a[i] = ria(m); ...
np
1102_F. Elongated Matrix
CODEFORCES
import java.util.*; import java.io.*; public class EdD { static long[] mods = {1000000007, 998244353, 1000000009}; static long mod = mods[0]; public static MyScanner sc; public static PrintWriter out; public static void main(String[] havish) throws Exception{ // TODO Auto-generated method stub sc = new MyS...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.io.*; import java.lang.*; import java.util.*; public class alex { public static void main(String[] args)throws IOException { Scanner sc=new Scanner(System.in); int n=sc.nextInt();int sum=1; for(int i=1;i<=n;i++) { sum=sum+(4*(i-1)); } Syste...
linear
1180_A. Alex and a Rhombus
CODEFORCES
//package round584; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.Comparator; import java.util.InputMismatchException; // imp:12m public class E5 { InputStream is; PrintWriter out; String INPUT = "";...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.io.*; import java.util.*; import java.lang.*; import java.awt.*; import java.awt.geom.*; import java.math.*; import java.text.*; import java.math.BigInteger.*; import java.util.Arrays; public class CF111111 { BufferedReader in; StringTokenizer as; int nums[],nums2[]; int[] nums1[]; boolean co...
linear
1197_A. DIY Wooden Ladder
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.lang.*; import java.util.*; import java.io.*; public class Main { void solve() { int m=ni(); long a[][]=new long[m][]; HashMap<Long,Integer> mp=new HashMap<>(); long TS=0; long sm[]=new long[m]; for(int i=0;i<m;i++){ int sz=ni(); a...
np
1242_C. Sum Balance
CODEFORCES
import java.io.BufferedReader; import java.io.PrintWriter; import java.io.InputStreamReader; import java.io.IOException; import java.util.StringTokenizer; import java.util.Arrays; public class Main { static Scanner in = new Scanner(); static PrintWriter out = new PrintWriter(System.out); publ...
constant
1036_A. Function Height
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.Reader; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Scanner; import java.util.StringTokenizer; import java.util.*; import static java.lang.Math.*; public ...
quadratic
908_C. New Year and Curling
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.math.BigInteger; import java.util.StringTokenizer; public class A { static StringTokenizer st; static BufferedReader...
constant
630_A. Again Twenty Five!
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 jdk.nashorn.internal.objects.NativeArray; import javax.swing.JOptionPane ; import javax.swing.plaf.basic.BasicInternalFrameTitlePane; import java.sql.SQLSyntaxErrorException; import java.util.Arrays; import java.util.Scanner; import java.util.Vector; import static jdk.nashorn.i...
linear
1159_A. A pile of stones
CODEFORCES
import java.io.PrintWriter; import java.util.Scanner; public class Main { static Scanner sc; static PrintWriter out; public static void main(String[] args) { sc = new Scanner(System.in); out = new PrintWriter(System.out); int t = 1; if (true) { t = sc.nextInt()...
linear
1515_B. Phoenix and Puzzle
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
160_A. Twins
CODEFORCES
import java.io.*; import java.util.HashMap; import java.util.Locale; import java.util.Map; import java.util.StringTokenizer; public class Array implements Runnable { void solve() throws IOException { int n = readInt(); int k = readInt(); int a[] = new int[n]; int startIdx = 0; ...
linear
224_B. Array
CODEFORCES
import java.util.Scanner; public class SportMafia { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int k = sc.nextInt(); int next = 1; int current = 0; int result = 0; for(int i = 0; i < n; i++) { if(current < k) { current += next++; ...
logn
1195_B. Sport Mafia
CODEFORCES
/** * author: derrick20 * created: 3/20/21 7:13 PM */ import java.io.*; import java.util.*; import static java.lang.Math.*; public class E2_SquareFreeFast { static FastScanner sc = new FastScanner(); static PrintWriter out = new PrintWriter(System.out); public static void main(String[] args) { // ...
cubic
1497E2
CODEFORCES
import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws IOException { Reader.init(System.in); int n = Reader.nextInt(); int[] arr = new int[n]; int initial = 0; for (int i = 0; i < n; i++) arr[i] = Reader.nextInt(); ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.util.*; public class b { public static void main(String[] args) { Scanner input = new Scanner(System.in); int n = input.nextInt(), k = input.nextInt(); int[] data = new int[n]; for(int i = 0; i<n; i++) data[i] = input.nextInt(); int[] freq = new int[100001]; int count = 0; ...
linear
224_B. Array
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(){ work(); out.flush(); } long mod=998244353; long gcd(long a,long b) { return b==0?a:gcd(b,a%b); ...
quadratic
1141_F2. Same Sum Blocks (Hard)
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 static ...
constant
343_A. Rational Resistance
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class con169_D { private static final boolean DEBUG = false; public static void main( final String[] args ) throws Exception { final BufferedReader br = new BufferedReader( new Input...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.lang.*; import java.math.BigInteger; import java.io.*; import java.util.*; public class Solution implements Runnable{ public static BufferedReader br; public static PrintWriter out; public static StringTokenizer stk; public static boolean isStream = true; public static void main(String...
np
111_C. Petya and Spiders
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.HashSet; import java.util.Set; /** * @author Ran Bi (ran.bi@addepar.com) */ public class C { public static void main(String[] arg) throws IOException { BufferedReader in = new BufferedReader(new Input...
linear
701_C. They Are Everywhere
CODEFORCES
import java.util.*; import java.util.stream.Collectors; import java.util.stream.IntStream; public class C { public static void main(String[] args) { Scanner s = new Scanner(System.in); int n = s.nextInt(); List<String> commands = IntStream.range(0, n).boxed().map(x -> s.next()).collect(Col...
quadratic
909_C. Python Indentation
CODEFORCES
import java.util.*; import javax.lang.model.util.ElementScanner6; import java.io.*; public class Main { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader inp = new InputReader(inputStream); Prin...
quadratic
1197_D. Yet Another Subarray Problem
CODEFORCES
import java.util.*; import java.math.*; import java.io.*; public class Main { public static void main(String args[]) throws IOException { Scanner c = new Scanner(new FileReader("input.txt")); PrintWriter out = new PrintWriter(new File("output.txt")); int N=c.nextInt(); int M=c.nextInt(); int A[][]=new i...
cubic
35_C. Fire Again
CODEFORCES
import java.util.*; public class D5 { public static void main(String[] args) { Scanner input = new Scanner(System.in); int a = input.nextInt(), v = input.nextInt(); int l = input.nextInt(), d = input.nextInt(), w = input.nextInt(); double lo = 0, hi = v; for(int iter = 0; iter < 1000; iter++) { ...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.StringTokenizer; public class A { static BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in)); static StringTokenizer st = new StringTokenizer(""); static String readString() throws Exception { while(!st.has...
constant
343_A. Rational Resistance
CODEFORCES
import java.util.*; import java.io.*; // Solution public class Main { public static void main (String[] argv) { new Main(); } boolean test = false; int n; long mod = 1000000007; public Main() { FastReader in = new FastReader(new BufferedReader(new InputStreamReader(Syste...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayDeque; import java.util.Arrays; import java.util.Deque; import java.util.Random; import java.util.StringTokenizer; public final class C { static class Node { int val; String path; ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.*; import java.lang.*; import java.math.*; import java.io.*; import static java.lang.Math.*; import static java.util.Arrays.*; import static java.util.Collections.*; public class P111C{ Scanner sc=new Scanner(System.in); int INF=1<<28; double EPS=1e-9; int h, w; void run(){ h=sc.nextInt(); ...
np
111_C. Petya and Spiders
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; public class A { String line; StringTokenizer inputParser; BufferedReader is; FileInputStream fstream; DataInputStream in; String FInput=""; void openInput(String file) { if(file==null)is = new BufferedReader(new InputStreamReader(System.i...
nlogn
257_A. Sockets
CODEFORCES
import java.util.*; import java.io.*; public class Main { BufferedReader in; StringTokenizer str = null; PrintWriter out; private String next() throws Exception{ if (str == null || !str.hasMoreElements()) str = new StringTokenizer(in.readLine()); return str.nextToken(); } private int nextInt() throws...
logn
287_B. Pipeline
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args){ long MOD = 1000000007; Scanner sc = new Scanner(System.in); int n = sc.nextInt(); long[][]dp = new long[n][5010]; char[] program = new char[n]; for(int i = 0; i < n; i++){ program[i] = sc.next().charAt(0); } ...
quadratic
909_C. Python Indentation
CODEFORCES