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.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; public class Main { public static void main(St...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.util.Scanner; public class R025A { int n; int[] nums; public R025A() { Scanner scanner = new Scanner(System.in); n = scanner.nextInt(); nums = new int[n]; for(int i=0; i<n; i++) { nums[i] = scanner.nextInt(); } } private void process() { int odd = 0; int even = 0; int lastOdd = 0...
linear
25_A. IQ test
CODEFORCES
import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.IOException; import java.io.PrintWriter; import java.util.Scanner; import java.util.StringTokenizer; public class CF { public static void main(String[] args) throws IOException { Scanner sc=new Scanner(System.in); PrintW...
constant
84_A. Toy Army
CODEFORCES
/* * Code Author: Sanket Udgirkar. * DA-IICT */ import java.util.*; import java.io.*; public class Tester { public static long mod=(long)1e9+7; public static void main(String[] args) { InputReader s=new InputReader(System.in); OutputStream outputStream = System.out; //PrintWriter out=new Prin...
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.lang.reflect.Array; import java.text.DecimalFormat; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays;...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.*; import java.lang.*; import java.util.*; import static java.lang.Integer.*; import static java.lang.Long.*; import static java.lang.Math.*; import static java.lang.System.*; import static java.util.Arrays.*; import static java.util.Collections.*; public class Main { Main() throws IOException { ...
linear
608_B. Hamming Distance Sum
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.util.Map; import java.util.HashMap; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /**...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.util.*; import java.lang.*; import java.math.*; public class A { Scanner sc = new Scanner(System.in); void run(){ String s = sc.next(); String subS; int max = 0; for (int i=0;i<s.length();i++) { for (int j=i+1;j<s.length()+1;j...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class C { public static int mod = 1000000000 + 7; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String n = br.readLine(); ...
linear
914_C. Travelling Salesman and Special Numbers
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String args[]) { Scanner in=new Scanner(System.in); String str=in.next(); int cnt=0; for(int i=0;i<str.length();++i) { if(str.charAt(i)=='1') { ++cnt; } } int i=0; for(;i<str.length();++i) { if(str.charAt(i)=='0') { S...
linear
1009_B. Minimum Ternary String
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; public class C { public static void main(String[] args){ FastScanner scan = new FastScanner(); PrintWriter out = new PrintWriter(Syst...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.Scanner; import java.util.Vector; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m = sc.nextInt(); int a[] = new int[n]; int b[] = new int[n]; for (int i = 0; i < n; i++) ...
nlogn
1010_A. Fly
CODEFORCES
import java.io.*; import java.util.*; public class A implements Runnable { public static void main(String[] args) { new A().run(); } class FastScanner { BufferedReader br; StringTokenizer st; boolean eof; String buf; public FastScanner(String fileName) throws FileNotFoundException { br = new Buffer...
cubic
23_A. You're Given a String...
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...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.math.*; import java.util.*; import java.io.*; public class Main { void solve() { long x=nl(),k=nl(); if(x==0) { pw.println(0); return; } long d=modpow(2,k,M); long ans=mul(2,d,M); ans=mul(ans,x,M)%M; ans++; ans%=M; ...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; public class Main { public static void main(String[] args) /*throws FileNotFoundException*/ { InputStream inputStream = System.in; OutputStream outputStream = System.out; FastScanner in = new FastScanner(inputStream); FastPrinter out = new FastPrinter...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int[][] x = new int [200010][10]; String a = sc.nextLine(); String b = sc.nextLine(); int n = a.length(); int m = b.length(); for (int i = 1; i <= m; i++) { ...
linear
608_B. Hamming Distance Sum
CODEFORCES
import java.io.PrintWriter; import java.util.Scanner; public class D { public static void main(String [] args){ Scanner cin = new Scanner(System.in); PrintWriter cout = new PrintWriter(System.out); long l = cin.nextLong(), r = cin.nextLong(), k = 1; if (l == r)cout.println(0); else { while (((r>>k)<<k)...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.util.Scanner; public class B { public static void main(String[] args) { Scanner sc = new Scanner(System.in); long n = sc.nextLong(); long k = sc.nextLong(); if ((k - 1) * k / 2 + 1 < n) { System.out.println(-1); return; } long left = 0; long right = k; while (left < right) { long ...
logn
287_B. Pipeline
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; public class A { static MyScanner sc; static PrintWriter pw; public static void main(String[] args) throws Throwable { sc = new MyScanner(); pw = new PrintWriter(System.out); n = sc.nextInt(); T = sc.nextLo...
nlogn
1099_F. Cookies
CODEFORCES
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.util.Arrays; import java.util.StringTokenizer; public class _8C { static int[] x = new int[30], y = new int[30]; st...
np
8_C. Looking for Order
CODEFORCES
import java.util.Scanner; /* * 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. */ /** * * @author EndUser */ public class R455D2PC { public static void main(String[] args) { ...
quadratic
909_C. Python Indentation
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 t...
nlogn
169_A. Chores
CODEFORCES
import java.util.*; import java.io.*; public class D { public static int dir[][]={{-1,0},{1,0},{0,-1},{0,1}}; public static void main(String[] args) { // Scanner sc=new Scanner(System.in); FastScanner sc = new FastScanner(); FastOutput out = new FastOutput(System.out); int n=sc.nextInt(); int m=sc.nextInt()...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual soluti...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import static java.lang.Math.*; import java.io.*; import java.util.*; public class A { BufferedReader in; PrintWriter out; StringTokenizer st; public String next() { while (st == null || !st.hasMoreTokens()) { try { st = new StringTokenizer(in.readLine()); } catch(Exception e) {} } return st...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; public class BNew { double gAns = 0; public static void main(String[] args) throws IOException { new BNew().solve(); } private void solve() throws IOEx...
np
105_B. Dark Assembly
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class Main { public static void main(String[] args) throws NumberFormatException, IOException { BufferedReader r = new BufferedReader(new InputStreamReader(System.in)); int size= Integer.parseInt(r.readLine()); ...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.util.*; import java.lang.Math; public class Main{ public static void main(String[] args){ Scanner ak=new Scanner(System.in); long n,k,x; n=ak.nextLong(); k=ak.nextLong(); x=(long)((-3+Math.sqrt(9+8*(n+k)))/2); System.out.println(n-x); } }
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.Scanner; import java.io.OutputStream; import java.io.IOException; import java.io.PrintWriter; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * @author Dzmitry Paulenka */ public class Main { public static void main(String[] args) { InputSt...
logn
287_B. Pipeline
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; public class Solver { StringTokenizer st; BufferedReader in; PrintWriter out; public static void main(String[] args) thro...
nlogn
166_A. Rank List
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class C { public static int mod = 1000000000 + 7; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String n = br.readLine(); ...
linear
914_C. Travelling Salesman and Special Numbers
CODEFORCES
import java.io.*; import java.lang.reflect.Array; import java.math.BigInteger; import java.net.Inet4Address; import java.util.*; import java.lang.*; import java.util.HashMap; import java.util.PriorityQueue; public class templ implements Runnable{ static class pair implements Comparable { int f; ...
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class Main { static FastReader sc=new FastReader(); static long dp[][][]; static int mod=1000000007; public static void main(String[] args) throws IOException { //CHECK FOR N=1 //CHECK FOR N=1 //CHECK FOR N=1 ...
cubic
1517_D. Explorer Space
CODEFORCES
import java.math.BigDecimal; import java.util.Scanner; public class ReallyBigNumbers { public static void main(String[] args) { Scanner scan = new Scanner(System.in); long n = scan.nextLong(); long s = scan.nextLong(); long ans = 0; long l = 0; long r = n; while (l <= r) { // Ke...
logn
817_C. Really Big Numbers
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 ProblemA { public static void main(String[] args) throws IOException { BufferedReader s = new BufferedReade...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class round569d2b { public static void main(String args[]) { FastScanner in = new FastScanner(System.in); int n = in.nextInt(); int[] arr = new int[n]; for (int i = 0; i < n; i++) { arr[i] = in.nextInt(); } if (n % 2 == 0) { for (i...
linear
1180_B. Nick and Array
CODEFORCES
import java.util.*; import java.io.*; public class Solution { public static void main(String[] args) { Scanner s = new Scanner(System.in); s.nextLine(); while(s.hasNext()) { int first = s.nextInt(); int second = s.nextInt(); System.out.println(calculate(f...
constant
267_A. Subtractions
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in=new Scanner(System.in); int n,b = 0; n=in.nextInt(); if (n%2==0) { b=n+n/2; System.out.println(b); } } }
constant
84_A. Toy Army
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.StreamTokenizer; import java.util.Arrays; import java.util.Scanner; public class A { static InputStreamReader in = new InputStreamReader(System.in); static BufferedReader bf = new BufferedReader(in); ...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.StringTokenizer; public class Main { public static void main(String[] args) throws Exception { InputStream inputStream =...
logn
713_B. Searching Rectangles
CODEFORCES
import java.util.Scanner; public class DigitsSequence { 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.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual soluti...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.util.*; import java.io.*; public class Solution { public static void main(String [] args) throws IOException { PrintWriter pw=new PrintWriter(System.out);//use pw.println() not pw.write(); BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); StringTokenize...
linear
1011_A. Stages
CODEFORCES
import java.util.*; public class ehab4 { public static void main( String[] args ) { Scanner in = new Scanner( System.in ); int a = 0, b = 0; System.out.println( "? 0 0 " ); System.out.flush(); int c = in.nextInt(); for ( int i = 29; i >= 0; i-- ) { System.out.println( "? " + ( a + ( 1 << i ) ) + ...
logn
1088_D. Ehab and another another xor problem
CODEFORCES
import java.io.*; import java.util.*; public class D{ static int bot; static int n,m; static int [][]a; static int [][]Min; static int [][]memo; static int K; static int dp(int msk,int ones,int last) { if(ones==n) { return Min[last][bot]>=K?1:0; } if(memo[last][msk]!=-1) return memo[last][msk]; ...
np
1102_F. Elongated Matrix
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; public class C { public static...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Scanner; import java.util.*; public class Main { public static void main(String[] args) throws IOException{ Scanner sc = new Scanner(); PrintWriter out = new...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class A implements Runnable { BufferedReader in; PrintWriter out; StringTokenizer tok; public static void main(String[] args) { new Thread(null, new A(), "", 64*1024*1024).start(); } public void run() { try { long t1 = 0, t2 ...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.util.*; import java.io.*; import static java.util.Arrays.*; import static java.lang.Math.*; import java.math.*; public class Main { void run() throws IOException { int n = nint(); char[] s = token().toCharArray(); int h = 0; for (int i = 0; i < n; i++) { ...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.io.*; import java.util.*; public class Solution { Scanner in; PrintWriter out; boolean isPrime(int x) { for (int i = 2; i * i <= x; ++i) { if (x % i == 0) { return false; } } return true; } void solve() throws IOException { in = new Scanner(System.in); //in = new Scanner(new Fi...
linear
17_A. Noldbach problem
CODEFORCES
import java.util.*; import static java.lang.System.*; public class D276 { Scanner sc = new Scanner(in); public void run() { long l=sc.nextLong(),r=sc.nextLong(); long tes=l^r; int d=0; while(tes!=0){ tes/=2; d++; } ln((1L<<d)-1); }...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.util.*; import java.io.*; public class X { public static void main(String args[])throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); String s1 = br.readLine(); String s2 = br.readLine(); int i=0; char c1,c2; ...
linear
1037_C. Equalize
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.util.InputMismatchException; import java.io.IOException; import java.util.ArrayList; import java.io.Writer; import java.io.OutputStream...
quadratic
908_C. New Year and Curling
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....
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; public class Codeforces { public static void main(String[] args) throws IOException{ BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); final doubl...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.IOException; import java.io.UnsupportedEncodingException; import java.util.InputMismatchException; import java.io.OutputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */ public class Main {...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.util.*; public class substraction { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc=new Scanner(System.in); int t=sc.nextInt(); while (t>0) { long a=sc.nextLong(); long b=sc.nextLong(); int op=0; if (a>b) { while (a%b!=0) { op+=a/b; ...
constant
267_A. Subtractions
CODEFORCES
import java.io.IOException; import java.io.OutputStreamWriter; import java.math.BigDecimal; import java.io.BufferedWriter; import java.util.InputMismatchException; import java.io.OutputStream; import java.math.MathContext; import java.io.PrintWriter; import java.io.Writer; import java.math.BigInteger; import java.io.In...
logn
338_A. Quiz
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.InputMismatchException; import java.util.NoSuchElementException; public class Main { static PrintWriter out; static InputReader ir; static void solve() { int n=ir.nextInt(); int r=ir.nextInt(); int[] x=ir.ne...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.HashSet; import java.util.Scanner; import java.util.Set; public class R023A { String str; int n; public R023A() { Scanner scanner = new Scanner(System.in); str = scanner.next(); n = str.length(); } private void process() { int length = -1; for(int i=1; i<n; i++) { Set<String> set ...
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.io.IOException; import java.io.BufferedReader; import java.io.Reader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at th...
logn
1019_B. The hat
CODEFORCES
import java.util.Arrays; /** * Created by IntelliJ IDEA. * User: piyushd * Date: 3/26/11 * Time: 10:53 PM * To change this template use File | Settings | File Templates. */ public class TaskC { final int INF = 123456; int[][][] memo; int N, M; int solve(int row, int prevFreeMask, int curStayMa...
np
111_C. Petya and Spiders
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.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java....
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.*; import java.util.*; import java.lang.*; public class Main { public static void main(String[] args) { Scanner cin=new Scanner(new BufferedInputStream(System.in)); int n=cin.nextInt(), m=cin.nextInt(), k=cin.nextInt(); int[] a=new int[51]; for (int i=0;i<n;i...
nlogn
257_A. Sockets
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.io.BufferedWriter; import java.util.Collection; import java.io.FileWriter; import java.io.IOException; import java.io.FileInputStream; import java.io.InputStreamReader; i...
cubic
35_C. Fire Again
CODEFORCES
import java.util.Scanner; public class prob1 { public static void main(String[] args) { Scanner input = new Scanner(System.in); int n = input.nextInt(); if(n == 1) { // throw new RuntimeException(); int m = input.nextInt(); System.out.println("NO"); // System.out.println(input.next()); return; ...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.util.ArrayList; import java.util.Scanner; import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.PrintWriter; import java.nio.*; public class Main { public static void...
cubic
35_C. Fire Again
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.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.Iterator; import java.util.List; impo...
linear
701_C. They Are Everywhere
CODEFORCES
import java.io.*; import java.util.*; public class Sol122A { BufferedReader in; StringTokenizer st; PrintWriter out; String next() throws IOException { while (st == null || !st.hasMoreTokens()) st = new StringTokenizer(in.readLine()); return st.nextToken(); } int nextInt() throws Exception { return I...
constant
122_A. Lucky Division
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.io.BufferedWriter; import java.io.Writer; import java.io.OutputStreamWriter; import java.util.InputMismatchException; import java.io.IOException; import java.io.Input...
quadratic
961_C. Chessboard
CODEFORCES
import java.util.*; public class Main { public static void main(String[] args) { // long start = System.currentTimeMillis(); // long end = System.currentTimeMillis(); // System.out.println(" Execution time was "+(end-start)+" ms."); Scanner kb = new Scanner(System.in); int n = kb.nextInt(); int a[] = n...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
/** * * @author saurabh */ public class myTemplate { /** * @param args the command line arguments */ public static void main(String[] args) throws Exception{ // TODO code application logic here java.io.BufferedReader br = new java.io.BufferedReader(new java.io.Inp...
constant
313_A. Ilya and Bank Account
CODEFORCES
import java.io.*; import java.math.BigDecimal; import java.math.BigInteger; import java.util.*; public class Main { public static void main(String[] args) { Scanner sc =new Scanner(System.in); long a=sc.nextLong(); if(a%4==0){System.out.println(a/2 + " " + a/2);} ...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
//package Round584; import java.util.Arrays; import java.util.Scanner; public class Problem1 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc=new Scanner(System.in); int n = sc.nextInt(); int a []=new int[n]; for(int i=0;i<n;i++) { a[i]=sc.nextInt(); } Arrays...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; public class CottageVillage { Scanner in; PrintWriter out; CottageVillage() { in = new Scanner(System.in); out = new PrintWriter(System.out); } public void finalize() { out.flush(); in.close(); out.close(); } int ans(House a, House b, int t) { int diff...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.*; public class IQTest { public static void main(String[] args) { try { BufferedReader in = new BufferedReader( new InputStreamReader(System.in)); String str = in.readLine(); int n = Integer.parseInt(str); int odd = ...
linear
25_A. IQ test
CODEFORCES
// Author : RegalBeast import java.io.*; import java.util.*; public class Main { static final FastReader FR = new FastReader(); static final BufferedWriter BW = new BufferedWriter(new OutputStreamWriter(System.out)); public static void main(String[] args) throws IOException { StringBuilder solution = new S...
cubic
1517_D. Explorer Space
CODEFORCES
import java.util.Scanner; public class A023 { public static void main(String[] args) { System.out.println(f()); } static int f() { Scanner in = new Scanner(System.in); String line = in.next(); for (int length = line.length(); length > 0; length--) { for (int start = 0; start + length <= line.length(); s...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.*; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Scanner; import java.util.StringTokenizer; public class Main { long mod = 1000000007; long pow(long x,long y) { if(y==0) return 1; else if(y==1) return x%mod; else if(y...
logn
992_C. Nastya and a Wardrobe
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...
constant
267_A. Subtractions
CODEFORCES
import java.lang.*; import java.util.*; import java.io.*; public class Main { static void deal(int n,int[] arr) { int[] a = new int[n]; a[0] = 1; int l = 1; out.println(toString(a,l)); for(int i=1;i<n;i++) { if(arr[i] == 1) { a[l] = 1; ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.awt.Point; import java.io.*; import java.math.BigInteger; import java.util.*; import static java.lang.Math.*; public class ProblemD_05 { final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE")!=null; BufferedReader in; PrintWriter out; StringTokenizer tok = new StringTokenize...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.Collections; import java.util.Scanner; public class Round111A { public static void main(String[] args) throws IOException { new Round111A().run...
nlogn
160_A. Twins
CODEFORCES
import java.io.PrintWriter; import java.util.HashMap; import java.util.Map; import java.util.Scanner; public class P19 { public static void main(String[] args) { Scanner in = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); Map<Integer, Integer> mapa = new HashMap<Int...
cubic
23_A. You're Given a String...
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 A { /** * @param args * @throws IOException */ public static void main(String[] args) throws IOException { Scanner sc...
nlogn
257_A. Sockets
CODEFORCES
/* * To change this template, choose Tools | Templates * and open the template in the editor. */ //package CodeForces3; import java.util.ArrayList; import java.util.Scanner; /** * * @author DELL */ public class HexadecimalsTheorem { public void solve() { Scanner sc = new Scanner(System.in); ...
constant
199_A. Hexadecimal's theorem
CODEFORCES
import java.util.*; import java.io.*; public class C { public static void main(String[] args) throws Exception { final int fuck = 2001; Scanner in = new Scanner(new File("input.txt")); PrintWriter out = new PrintWriter(new File("output.txt")); int n = in.nextInt(), m = in.nextInt(); int[] D = new int[ fuc...
cubic
35_C. Fire Again
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; /** * * @author rohan */ public class Main { static int mod = (int) (1e9+7); static int MAX = (int)2e5+5; static void solve() { int n = i(); String[] s = new String[n]; for(int...
quadratic
909_C. Python Indentation
CODEFORCES
import java.math.BigInteger; import java.util.*; public class C { public static void main(String[] args) { Scanner sc = new Scanner(System.in); long n = sc.nextLong(); long s = sc.nextLong(); BigInteger k = findFirst(BigInteger.valueOf(s)); if (BigInteger.va...
logn
817_C. Really Big Numbers
CODEFORCES
import java.util.*; public class A { public static void main(String[]args) { Scanner in = new Scanner(System.in); long l = in.nextLong(); long r = in.nextLong(); if(r - l < 2) System.out.println(-1); else { if(l % 2 == 0) System.out.println(l + " "...
constant
483_A. Counterexample
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintStream; import java.util.Arrays; import java.util.Comparator; import java.util.StringTokenizer; import java.util.logging.Level; import java.util.logging.Logger; public class ProblemA { private final B...
nlogn
166_A. Rank List
CODEFORCES
import static java.lang.Math.*; import static java.lang.System.currentTimeMillis; import static java.lang.System.exit; import static java.lang.System.arraycopy; import static java.util.Arrays.sort; import static java.util.Arrays.binarySearch; import static java.util.Arrays.fill; import java.util.*; import java.io.*; p...
linear
17_A. Noldbach problem
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; import java.util.stream.*; @SuppressWarnings("unchecked") public class P35C { final static int SHIFT = 11; final static int MASK = (1 << SHIFT) - 1; final static int [] DX = {-1, 1, 0, 0}; final static int [] DY = { 0, 0, -1, 1}; public void run() ...
cubic
35_C. Fire Again
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.HashSet; import java.util.List; import java.util.StringTokenizer; public class D { int[][] fast(int n, int m){ int[][] ans = new int[2][n * m]; int c = 0; for (int left = 1, ri...
quadratic
1179_B. Tolik and His Uncle
CODEFORCES
import java.util.*; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); long k = in.nextLong(); long t = 1; long l = 1; if(k <= 9) { System.out.print(k); System.exit(0); } long x = 9; ...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.Iterator; import java.util.Set; import java.util.HashMap; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util....
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
//package com.krakn.CF.B1159; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n; n = sc.nextInt(); int[] arr = new int[n]; for (int i = 0; i < n; i++) { arr[i] = sc.nextInt(); ...
linear
1159_B. Expansion coefficient of the array
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.OutputStream; import java.util.List; import java.util.Arrays; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; /** ...
linear
1067_B. Multihedgehog
CODEFORCES
import java.io.*; import java.util.*; public class Solution { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); long n = scanner.nextLong(); long s = scanner.nextLong(); long myLong = s; long count =0; while(true){ if(myLong>n)...
logn
817_C. Really Big Numbers
CODEFORCES