src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
import java.util.*; import java.math.*; public class Main { static final long MOD = 1000000007L; public static void main(String[] args) throws Exception { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int k = scan.nextInt(); int res = -1; int[] arr ...
linear
224_B. Array
CODEFORCES
import java.util.Optional; import java.util.Scanner; import java.util.StringJoiner; public class Main { public static void main(String[] args) { Main main = new Main(); main.solveC(); } private void solveA() { Scanner sc = new Scanner(System.in); String str = sc.next(); long answer = str.chars().filter( ...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.*; import java.math.*; public class Main { public static void main(String[] args) throws Exception { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int res = n; String str = Integer.toString(n); res = Math.max(res, Integer.parseInt(str.substring(0, str.length()...
constant
313_A. Ilya and Bank Account
CODEFORCES
import java.util.Scanner; public class A { public static void main(String[] args) { new A().run(); } private void run() { Scanner sc = new Scanner(System.in); String s = sc.next(); sc.close(); int res = 0; for (int i = 0; i < s.length(); i++) for (int j = i + 1; j <= s.length(); j++) { Stri...
cubic
23_A. You're Given a String...
CODEFORCES
//package code; /* * To change this template, choose Tools | Templates * and open the template in the editor. */ import java.io.BufferedInputStream; import java.io.FileInputStream; import java.io.PrintStream; import java.util.Arrays; import java.util.Random; import java.util.Scanner; import java.util.TreeMap; /...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class Main { static int[][][] dp; public static void main(String[] args) { Scanner r = new Scanner(System.in); int n = r.nextInt(); int m = r.nextInt(); if(n > m){int t = n; n = m; m = t;} ...
np
111_C. Petya and Spiders
CODEFORCES
import java.util.Scanner; public class ProblemA { public static void main(String[] args) { Scanner sc = new Scanner(System.in); long n = sc.nextLong(); long[] answer = new long[3]; if (n == 1) { answer[0] = 0; answer[1] = 0; answer[2] = 1; ...
constant
199_A. Hexadecimal's theorem
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.PrintWriter; import java.util.*; /** * Created by trung.pham on 28/12/17. */ public class C_Round_455_Div2 { static long[][]dp; static long MOD =(long) 1e9 + 7; public static void main(String[] args) { Scanner in = new Scanner(System.in); PrintWriter out = new PrintWriter...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.BufferedReader; import java.io.FileReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; public class Solution implements Runnable { public static void main(String[] args) { (new Thread(null, new Solution(), "1", 1l << 28)).s...
nlogn
160_A. Twins
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 void solve() throws Exception { int n = iread(), m = iread(); int INF = -1; if (m > n) { int t = m; m = n; n = t; ...
np
111_C. Petya and Spiders
CODEFORCES
import java.io.*; import java.util.*; public class EMatrix{ public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader in = new InputReader(inputStream); PrintWriter out = new PrintWriter(outputStream); Ta...
np
1102_F. Elongated Matrix
CODEFORCES
import java.io.*; public class Main { private static Reader in; private static PrintWriter out; public static void main(String args[]) throws IOException { in = new Reader(); out = new PrintWriter(System.out); long n = in.nextLong(); long s = in.nextLong(); long low ...
logn
817_C. Really Big Numbers
CODEFORCES
import java.io.BufferedInputStream; import java.io.BufferedWriter; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.Map.Entry; import java.util.Scanner; import java.util.TreeMap; public class Main { public static void main(String[] args) { Scanner in = new Scanner(new Buffe...
linear
468_B. Two Sets
CODEFORCES
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.util.*; public class Main { static public void main(String args[]) throws Exception { Scanner s = new Scanner(System.in); int n = s.nextInt(), m = s.nextInt...
cubic
1517_D. Explorer Space
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(" "); String s2[]=br.readLine().split(" "); i...
linear
1000_B. Light It Up
CODEFORCES
import java.io.BufferedWriter; import java.io.File; import java.io.FileWriter; import java.io.IOException; import java.io.OutputStreamWriter; import java.util.Arrays; import java.util.LinkedList; import java.util.Queue; import java.util.Scanner; public class Main { public static void main(String[] args) throws IO...
cubic
35_C. Fire Again
CODEFORCES
import java.util.LinkedList; import java.util.List; import java.util.Scanner; import java.util.stream.Collectors; public class PlayingPiano { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); List<Integer> as = new LinkedList<>(); int[] as2 =...
linear
1032_C. Playing Piano
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 t=in.nextInt(); for(int i=0;i<t;i++) { out.println(work()); } out.flush(); } long mod=1...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.util.*; import java.io.*; public class C { public static void main(String[] args) { FastScanner sc = new FastScanner(); int T = sc.nextInt(); StringBuilder sb = new StringBuilder(); while(T-->0) { int n = sc.nextInt(); int[] arr = new int[n]; for(int i = 0; i < n; i++) { arr[i] = sc.n...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.util.HashSet; 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.IOExcep...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.io.*; import java.util.Scanner; public class abc{ public static int check(StringBuilder s) { int countRemove=0; if(!s.toString().contains("xxx")) return countRemove; else{ for(int i=1;i<s.length()-1;i++) { if(s.charAt(i-1)=='x' && s.charAt(i)=='x' && s.charA...
linear
978_B. File Name
CODEFORCES
import java.util.*; import java.io.*; public class C1523 { public static void print(Stack<Integer> st, PrintWriter pw) { for (int i = 0; i < st.size(); i++) { pw.print(st.get(i)); if (i != st.size() - 1) { pw.print("."); } } pw.println(); } public static void main(String[] args) throws IOExcepti...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.io.FilterInputStream; import java.io.BufferedInputStream; import java.util.Random; import java.io.InputStream; /** * @author khokharnikunj8 */ public class Main { ...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.io.BufferedOutputStream; import java.io.PrintWriter; import java.util.*; public class E1180D { public static void main(String args[]) { Scanner sc = new Scanner(System.in); PrintWriter pw = new PrintWriter(new BufferedOutputStream(System.out)); int n = sc.nextInt(); in...
quadratic
1179_B. Tolik and His Uncle
CODEFORCES
import java.util.*; import java.io.*; /* spar5h */ public class codeforces implements Runnable { final static long mod = (long)1e9 + 7; public void run() { InputReader s = new InputReader(System.in); PrintWriter w = new PrintWriter(System.out); int n = s.nextInt(); char[] c = new char[n]; ...
quadratic
909_C. Python Indentation
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class E { static double[] dp; static int[] oneCount; static int end; static int n; static double[][] prob; public static double solve(int mask) { if(mask==end) return 1; int oneC=0,zeroC=0; for(int i=0;i<n;i++) { ...
np
16_E. Fish
CODEFORCES
import java.lang.*; import java.io.*; import java.util.*; public class Main { public void solve() throws IOException { int n = nextInt(), r = nextInt(); int x[] = new int[n]; for (int i = 0; i < n; i++) { x[i] = nextInt(); } double res[] = new double[n]; ...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.ArrayList; import java.util.List; import java.util.Scanner; import java.util.Stack; import java.util.stream.Collectors; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int t = sc.nextInt(); for (int tc = 0; tc < t; ++tc) { int n = ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.OutputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.FileInputStream; import java.io.InputStream; import java.io.PrintWriter; import java.io.OutputStream; import java.util.Arrays; import java.io.IOException; import java.io.InputStreamReader; import java.io.File; impor...
cubic
35_C. Fire Again
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.PriorityQueue; import java.util.Scanner; import java.util.StringTokenizer; public class D { static int n, KA, A; static int[] b; static int[] l; static double ans = 0; ...
np
105_B. Dark Assembly
CODEFORCES
import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStream; import java.io.OutputStreamWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.HashMap; import java.util.HashSet; import java.util.Map.Entry; import java.util.Random; import j...
np
1242_C. Sum Balance
CODEFORCES
import java.util.Scanner; public class Main3 { public static void main(String[] args) { Scanner s = new Scanner(System.in); long l = s.nextLong(); long r = s.nextLong(); String a = Long.toBinaryString(l); String b = Long.toBinaryString(r); wh...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.Stack; public class ProblemD { public static void main(String[] args) throws IOException { BufferedReader s = new BufferedReader(new InputStreamReader(Sy...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.util.Scanner; public class Main{ public static void main(String[] args) { Scanner sc=new Scanner(System.in); while(sc.hasNext()) { int n=sc.nextInt(); String s=sc.next(); int sum=0; for(int i=0;i<s.length();i++) { if(s.charAt(i)=='+') { sum++; } if(s.charAt(i)=='-'&&sum!=0...
linear
1159_A. A pile of stones
CODEFORCES
import java.util.LinkedList; import java.util.Queue; import java.util.Scanner; public class A { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Scanner scan = new Scanner(System.in); int a = scan.nextInt(); Queue<Integer> q = new LinkedList<Integer>(); ...
constant
122_A. Lucky Division
CODEFORCES
import java.util.*; import java.io.*; public class A { public static void main(String[] args) { FastScanner scanner = new FastScanner(); PrintWriter out = new PrintWriter(System.out, false); int n = scanner.nextInt(); int[] arr = new int[n]; for(int i = 0; i < n; i++) { ...
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.List; import java.util.StringTokenizer; import java.util.HashMap; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; imp...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.Scanner; import java.util.StringTokenizer; public class CF125D2A { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.prin...
constant
199_A. Hexadecimal's theorem
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.Arrays; import java.util.StringTokenizer; public class solver { FastScanner in = new FastScanner(System.in); PrintW...
nlogn
160_A. Twins
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; public class C { public static void main(String[] args) throws Exception { BufferedReader buffer = new BufferedReader(new InputStreamReader(System.in)); StringBuilder sb = new StringBuilder(); int t...
cubic
1523_C. Compression and Expansion
CODEFORCES
// package com.company.codeforces; import java.util.*; public class Solution { static int n,m,h[][],v[][]; public static void main(String[] args) { Scanner input=new Scanner(System.in); n=input.nextInt(); m=input.nextInt(); int k=input.nextInt(); h=new...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; import java.util.Stack; public class C { private static PrintWriter out = new PrintWriter(System.out); public static void solve(...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.*; // Warning: Printing unwanted or ill-formatted data to output will cause the test cases to fail public class Ideone { public static void main(String args[] ) throws Exception{ BufferedReader br = new BufferedReader(...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.math.BigDecimal; import java.math.BigInteger; import java.text.DecimalFormat; import java.util.*; import java.util.concurrent.ArrayBlockingQueue; import org.omg.CORBA.UNKNOWN; public class HelloWorld { InputReader input; PrintWriter output; BufferedReader inp; void run...
constant
343_A. Rational Resistance
CODEFORCES
//app.は全部けす import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.Scanner; //流す前にfinalにする public final class EcRound35DApplication { public static void main(String[] args) { Input input = new Input(); input = SystemInput(); List<String> resultList = run(input); for(...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Arrays; import java.util.HashMap; import java.util.StringTokenizer; public class A { static int[] parent; public static int find(int x) { if (x == parent[x]) return x; return parent[x] = find(parent[...
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.io.OutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.util.TreeSet; import java.io.BufferedOutputStream; import java.util.StringTokenizer; import java.io.Buff...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.Scanner; import java.util.StringTokenizer; public class C { public static final long MAX = 1000000000L; public static void main(String[] args) throws IOException{ BufferedRead...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.util.*; import java.lang.*; import java.math.*; import java.io.*; /* spar5h */ public class cf3 implements Runnable{ final static long mod = (long)1e9 + 7; static long modExp(long x, long pow) { x = x % mod; long res = 1; while (pow > 0) { if (pow % 2 =...
logn
992_C. Nastya and a Wardrobe
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 two_squares { public static void main(String[] args) throws Exception { new two_squares().run(); } public void run() throws Exc...
constant
994_C. Two Squares
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class CF495A { public static void main(String[] args) { Scanner s = new Scanner(System.in); int n = s.nextInt(); long d = s.nextLong(); long[] arr = new long[n]; for (int i = 0; i < n; i++) { arr[i] = s.ne...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; import java.util.concurrent.*; public final class py_indent { static BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); static FastScanner sc=new FastScanner(br); static PrintWriter out=new PrintWriter(System.out); static Random r...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.OutputStreamWriter; import java.io.BufferedWriter; import java.util.Locale; import java.io.OutputStream; import java.util.RandomAccess; import java.io.PrintWriter; import java.util.AbstractList; import java.io.Writer; import java.util.List; import java.util.Map; import java.io.IOException; import java.ma...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.util.*; import java.util.Scanner; public class Def { public static void main(String[] args) { // TODO Auto-generated method stub Scanner s = new Scanner(System.in); int t = s.nextInt(); while (t-->0) { int n = s.nextInt(); int[] arr = new int[n]; for (int i=0; i<n; i++) { arr[i...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; /** * Created by hama_du on 15/09/10. */ public class A { private static final long MOD = 1000000009; public static void main(String[] args) { InputRe...
logn
338_A. Quiz
CODEFORCES
import java.util.*; public class helloWorld { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int m = in.nextInt(); int[] ar = new int[200]; String str = in.next(); for(int i = 0; i < str.length(); i++) ar[ str.charAt(i) ]++; int ans = 1...
linear
1038_A. Equality
CODEFORCES
import java.util.*; public class B { public static void main(String[] args) { new B(new FastScanner()); } int hash(int i, int[] cc) { int res = i; for (int ii : cc) { res *= 8; res += ii; } return res; } int N, K, A; int[] lvl; int[]...
np
105_B. Dark Assembly
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; /** * * @author Antonio "Teo" Alurralde */ public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReade...
constant
1033_A. King Escape
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.*; import java.io.*; public class Main { public static void main(String[] args){ InputStream inputStream = Syste...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.*; import java.util.*; public class Quiz { public static int mod = 1000000009; public static void main(String[] args) throws IOException { BufferedReader f = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(f.readLine()); long...
logn
338_A. Quiz
CODEFORCES
import java.util.*; public class A { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int count = sc.nextInt(); HashSet<Integer> set = new HashSet<>(); for (int i = 0; i < count; i++) { set.add(sc.nextInt()); } ArrayList<Int...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; public class Main{ public static void main(String[] args) throws IOException{ BufferedReader buffer = new BufferedReader(new InputStreamReader(System.in)); String a=buffer.readLine(); int b=Integer.parseInt(a); if(b%4==0 || b%7==0 || b%44==0 || b%47==0 || b%74==0 || b%77==0 || b%4...
constant
122_A. Lucky Division
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.lang.reflect.Array; import java.util.Arrays; import java.util.HashSet; import java.util.Iterator; import java.util.Set; public class Main { public static void main(String[] args) throws IOException { n...
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.io.PrintStream; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.util.*;import java.io.*;import java.math.*; public class Main { public static void process()throws IOException { long n=nl(); if(n%2==0) { long a1=(long)Math.sqrt(n); long a2=(long)Math.sqrt(n/2); if(a1*a1==n || a2*a2*2==n) ...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
//package round156; 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 B { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(), x = n...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.io.PrintStream; import java.util.Scanner; /** * @author Roman Elizarov */ public class Round_146_A { public static void main(String[] args) { new Round_146_A().go(); } void go() { // read input Scanner in = new Scanner(System.in); int n = in.nextInt(); // solve long result = solve(n); ...
constant
235_A. LCM Challenge
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class B { static PrintWriter out = new PrintWriter(System.out); static FS in; static int N; static final boolean debug = false; static int inp[] = new int[] {1,2,3,2,1,0}; publi...
logn
1019_B. The hat
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.IOException; import java.util.StringTokenizer; public class GeorgeAndInterestingGraph { public static void main(String[] args) { MyScanner sc = new MyScanner(); int N = sc.nextInt(); int M = sc.nextInt(...
cubic
387_D. George and Interesting Graph
CODEFORCES
import javax.print.Doc; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.*; public class taskB { public static void main(String[] args) throws IOException { new taskB().run(); } Bu...
np
105_B. Dark Assembly
CODEFORCES
import java.io.InputStream; import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.BufferedWriter; import java.io.PrintWriter; import java.io.Writer; import java.io.OutputStream; import java.io.OutputStreamWriter; /** * Built using CHelper plug-in * Actual solution is at ...
constant
630_A. Again Twenty Five!
CODEFORCES
import java.util.Arrays; import java.util.PriorityQueue; import java.util.Scanner; public class Main { static double max = 0.0; public static void main(String[] args) { Scanner r = new Scanner(System.in); int n = r.nextInt(); int k = r.nextInt(); int A = r.nextInt(); ...
np
105_B. Dark Assembly
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class LightItUp { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new ...
linear
1000_B. Light It Up
CODEFORCES
import java.io.*; import java.util.*; public class G{ public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader in = new InputReader(inputStream); PrintWriter out = new PrintWriter(outputStream); TaskE so...
cubic
1187_G. Gang Up
CODEFORCES
import java.io.*; import java.util.*; public class Main { static int inf = (int) 1e9 + 7; static int n, m, a[][]; static ArrayList<Integer> used; static int num[]; static int ans; static void rec(int id) { if (id == used.size()) { check(); return; } ...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.util.*; public class C15A { public static void main(String args[]){ Scanner sc=new Scanner(System.in); int n=sc.nextInt(); int t=sc.nextInt(); double nm[][]=new double[n][2]; int a=0; int b=0; for(int i=0;i<n;i++){ a=sc.nextInt(); ...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.*; import java.util.*; public class Main { static boolean used[][]; static int n; static int m; public static void main(String[] args) throws IOException { br = new BufferedReader(new FileReader("input.txt")); PrintWriter out = new PrintWriter("output.txt"); n ...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class Solution { BufferedReader in; StringTokenizer st; PrintWriter out; int n, m, k; int[] x, y; char[] qx = new char[4000000], qy = new char[4000000]; int b, e; char[][] d; int[] dx = { -1, 0, 1, 0 }...
cubic
35_C. Fire Again
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.HashMap; import java.util.StringTokenizer; public class CTask { public static void main(String[] args) throws IOException { MyInputReader in = new MyInputReader(System...
linear
701_C. They Are Everywhere
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class Main { public static void main(String[] args) { FastReader fr =new FastReader(); PrintWriter op =new PrintWriter(System.out); long n =fr.next...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.*; import java.util.*; public class ModifyLongest { InputStream is; PrintWriter out; String INPUT = ""; //boolean codechef=true; boolean codechef=true; void solve() { /* long l=ni(),r=ni(),x=ni(),y=ni(); long prod=x; prod*=y; i...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStreamReader; import java.util.HashMap; import java.util.HashSet; import java.util.StringTokenizer; public class C { public static void main(String[] args) throws IOException { File in...
linear
701_C. They Are Everywhere
CODEFORCES
import java.util.Scanner; public class LuckyDivison { public static void main(String[] args) { Scanner in = new Scanner(System.in); int inp = in.nextInt(); if(inp%4==0||inp%7==0||inp%47==0||inp%74==0||inp%447==0||inp%474==0||inp%477==0||inp%747==0||inp%774==0||inp%777==0) { ...
constant
122_A. Lucky Division
CODEFORCES
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....
nlogn
903_D. Almost Difference
CODEFORCES
import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws IOException { InputStream inputStream = System.in; // InputStream inputStream = new FileInputStream("dijkstra.in"); OutputStream outputStream = System.out; // OutputStream outputStr...
logn
817_C. Really Big Numbers
CODEFORCES
// @author Sanzhar import java.io.*; import java.util.*; import java.awt.Point; public class Template { BufferedReader in; PrintWriter out; StringTokenizer st; String next() { while (st == null || !st.hasMoreTokens()) { try { st = new StringTokenizer(in.readLine()...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class A { BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = null; private void solve() throws IOException { int n =...
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.Arrays; import java.util.Scanner; public class CE35D { public static void main(String[] args) throws NumberFormatException, IOException { //Scanner sc = new Scanner(System.in); ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.*; import java.util.StringTokenizer; /** * Created by Darren on 14-10-21. */ public class D { Reader in = new Reader(System.in); PrintWriter out = new PrintWriter(System.out); public static void main(String[] args) throws IOException { new D().run(); } int n, m; bool...
np
11_D. A Simple Task
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Scanner; import java.util.StringTokenizer; public class CF { BufferedReader bf=new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st=null; private void solution() th...
constant
122_A. Lucky Division
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) { ...
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.LinkedList; import java.util.List; import java.util.Scanner; import java.util.stream.Collectors; public class PlayingPiano { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); List<Integer> as = new LinkedList<>(); int[] as2 =...
linear
1032_C. Playing Piano
CODEFORCES
import java.util.*; import java.io.*; public class B { public static void main(String[] args) { Scanner sc = new Scanner(System.in); long n = sc.nextInt(), k = sc.nextInt(); long start = 1, end = n; while(start <= end) { long mid = (start + end) >> 1; if(calc(mid) - (n - mid) == k) { S...
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.Locale; import java.util.Scanner; public class A { public static void main(String[] args) { Locale.setDefault(Locale.US); Scanner sc = new Scanner(System.in); int n = sc.nextInt(); String[] number = new String[n]; sc.nextLine(); String l = sc.nextLine(); number = l.split(" "); int oe ...
linear
25_A. IQ test
CODEFORCES
import java.io.*; import java.util.*; public class A{ public static BufferedReader k; public static BufferedWriter z; public static void main(String [] args)throws IOException{ k = new BufferedReader(new InputStreamReader(System.in)); z = new BufferedWriter(new OutputStreamWriter(System.out)); ...
constant
483_A. Counterexample
CODEFORCES
import java.util.Arrays; import java.util.Scanner; /** * * @author oleksiys */ public class A { public static void main(String [] args){ try(Scanner s = new Scanner(System.in)){ final int n = s.nextInt(); final int m = s.nextInt(); final int k = s.nextInt(); ...
nlogn
257_A. Sockets
CODEFORCES
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.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHel...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.util.*; import java.io.*; public class MinimumDiameterTree{ public static void main(String[] args) { InputReader in = new InputReader (System.in); PrintWriter out = new PrintWriter (System.out); int n = in.nextInt(); int s = in.nextInt(); int deg[] = new int [n]; for (int i = 1; i < n; ++i) { ...
linear
1086_B. Minimum Diameter Tree
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.HashMap; import java.util.StringTokenizer; public class A { static int[] parent; public static int find(int x) { if (x == parent[x]) return x; return parent[x] = find(parent[x]); } public sta...
nlogn
274_A. k-Multiple Free Set
CODEFORCES