src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.Scanner; public class a1 { public static void main(String[] args) { Scanner s = new Scanner(System.in); int n = s.nextInt(); int a[] = new int[n]; HashMap<Integer,ArrayList<Integer>> h = new HashMap<>(); boolean...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.LinkedList; import java.util.Locale; import java.util.Scanner; public class A{ void exe(){ LinkedList<Integer> list=new LinkedList<Integer>(); for(int i=2;i<=1000;i++) if(isPrime(i)) list.add(i); Object[] primes=list.toArray(); ...
linear
17_A. Noldbach problem
CODEFORCES
/** * @author derrick20 */ import java.io.*; import java.util.*; public class SameSumBlocks { public static void main(String[] args) throws Exception { FastScanner sc = new FastScanner(); PrintWriter out = new PrintWriter(System.out); int N = sc.nextInt(); int[] pre = new int[N +...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.*; import java.util.*; public class cf { static class FastScanner { BufferedReader br; StringTokenizer st; public FastScanner() { try { br = new BufferedReader(new InputStreamReader(System.in)); st = new StringTokenizer(br.readLine()...
constant
964_A. Splits
CODEFORCES
import java.util.*; import java.io.*; public class A { public static void main(String ar[]) throws Exception { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); String s1[]=br.readLine().split(" "); int n=Integer.parseInt(s1[0]); int S=In...
constant
1061_A. Coins
CODEFORCES
import java.io.*; import java.util.*; import java.util.function.Consumer; public class Solution { static MyScanner sc; private static PrintWriter out; static long M2 = 1_000_000_000L + 7; private static HashMap<Long, Long>[] mods; public static void main(String[] s) throws Exception { ...
quadratic
911_D. Inversion Counting
CODEFORCES
import static java.util.Arrays.*; import static java.lang.Math.*; import static java.math.BigInteger.*; import java.util.*; import java.math.*; import java.io.*; public class A implements Runnable { String file = "input"; boolean TEST = System.getProperty("ONLINE_JUDGE") == null; void solve() thr...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Scanner; import java.util.Set; import java.util.TreeSet; public cla...
linear
468_B. Two Sets
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class Main { public static void main(String[] args) throws IOException { PrintWriter out = new PrintWriter(System.out); //Scanner sc = new Scanner(); Reader in = new Reader(); Main solver = new Main(); solver....
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.*; public class A { static Scanner sc = new Scanner(System.in); public static void main(String[] args) { String s = sc.next(); for (int l = s.length(); l > 0; --l) { HashSet<String> set = new HashSet<String>(); for (int i = 0; i < s.length() - l + 1; +...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.*; import java.util.regex.*; public class Main { public static void main(String[] args) { Scanner input = new Scanner(System.in); Pattern rc_style = Pattern.compile("R[0-9]+C[0-9]+"); int n = input.nextInt(); while(n-- > 0) { String str = input.next(); Matcher m = rc_style.matcher(...
linear
1_B. Spreadsheets
CODEFORCES
/** * Problem: * Source: * Link: * * @author Alexei Ostrovski */ import java.io.*; import java.util.*; public class SpidersSolver { public static final boolean DEBUG = false; public static void main(String[] args) { //redirect input and output if (DEBUG) { try { System.setIn(new FileInput...
np
111_C. Petya and Spiders
CODEFORCES
import java.io.*; import java.util.*; public class Solution { private BufferedReader in; private PrintWriter out; private StringTokenizer st; void solve() throws IOException { String s = next(); int u = s.indexOf('R'); int v = s.indexOf('C'); if (u == 0 && v != -1 && u < v) { String a = s.substring(u...
linear
1_B. Spreadsheets
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; public class Govnokod { public static void main(String args[]) { try { InputStreamReader isr = new InputStreamReader(System.in); BufferedReader br = new BufferedReader(isr); while (true) { String str = br.readLine(); int i = Integer...
constant
84_A. Toy Army
CODEFORCES
import java.io.BufferedReader; // import java.io.FileInputStream; // import java.io.FileOutputStream; import java.io.InputStream; import java.io.InputStreamReader; import java.io.IOException; import java.io.PrintWriter; import java.util.*; import static java.lang.Math.abs; import static java.lang.Math.max; import stat...
linear
1000_A. Codehorses T-shirts
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...
constant
235_A. LCM Challenge
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 CF { public static void main(String[] args) throws IOException { InputStream inpu...
constant
313_A. Ilya and Bank Account
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.util.Comparator; import java.io.InputStream; /** * @author khokharnikunj8...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.util.*; import java.io.*; import java.lang.*; import java.math.*; import java.util.Map.*; public class codeforces { static int count =0; static boolean f=false; static int [] arr; static PrintWriter pw=new PrintWriter(System.out); static void solve(int index , int mask) { if(index==arr.l...
nlogn
994_B. Knights of a Polygonal Table
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; import static java.util.Arrays.*; public class cf1209e1_2 { public static void main(String[] args) throws IOException { int t = ri(); while (t --> 0) { int n = rni(), m = ni(), a[][] = new int[m][n], dp[] = new int[...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.io.*; import java.util.Arrays; import java.util.List; import java.util.StringTokenizer; public class Main { static PrintWriter pw; static _Scanner sc; public static void main(String[] args) throws Exception { sc = new _Scanner(System.in); pw = new PrintWriter(System.out); ...
cubic
1517_D. Explorer Space
CODEFORCES
import java.util.*; // VK Cup 2012 Round2 Unofficial Div2 Edition public class Main { void A(){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int a = sc.nextInt(); int b = sc.nextInt(); int[] h = new int[n]; for(int i=0; i<n; i++){ h[i] = sc.nextInt(); } Arrays.sort(h); System.out....
nlogn
169_A. Chores
CODEFORCES
import java.util.*; public class Subtractions { public static void main(String[] args) { Scanner kb = new Scanner(System.in); int count = kb.nextInt(); while(count > 0) { int smaller = kb.nextInt(); int larger = kb.nextInt(); int ops = 0; while(smaller > 0 && larger > 0) { if(smaller > larg...
constant
267_A. Subtractions
CODEFORCES
//package; import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.util.Collections; import java.util.Comparator; import java.util.Vector; import java.lang.*; import java.io.*; import java.awt.Point; public class evenness { public static void main(String[] args){ try{ ...
linear
25_A. IQ test
CODEFORCES
import javax.print.attribute.standard.RequestingUserName; import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws NumberFormatException, IOException { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReade...
quadratic
1086_C. Vasya and Templates
CODEFORCES
/* bts songs to dance to: I need U Run ON Filter I'm fine */ import static java.lang.Math.max; import static java.lang.Math.min; import static java.lang.Math.abs; import java.util.*; import java.io.*; public class x1517D2 { static final int INF = Integer.MAX_VALUE/3; public static void main(String hi[]) thro...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.NoSuchElementException; public class D { int N,M; int[] a,l,r; private void solve() { N = nextInt(); a = new int[N]; for(int i = 0;i < N;i++) { a[i] = nextInt(); ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.DataInputStream; import java.io.InputStream; import java.util.ArrayList; import java.util.Collections; public class div168C { public static void main(String[] args) throws Exception{ div168C a=new div168C(); Parserdoubt pd=a.new Parserdoubt(System.in); StringBuffer sb =...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Iterator; import java.util.ListIterator; import java.util.Collection; import java.util.AbstractList; import java.util.InputMismatchException; import java.io.IOException; import java.util.Deq...
nlogn
961_D. Pair Of Lines
CODEFORCES
import java.util.*; public class vas2 { public static void main( String[] args ) { Scanner in = new Scanner( System.in ); int n = in.nextInt(); String st = in.next(); int[] a = new int[n]; for ( int i = 0; i < n; i++ ) a[i] = st.charAt( i ) - 48; boolean c = false; for ( int i = 1; !c && i < n; i++ ) {...
quadratic
1030_C. Vasya and Golden Ticket
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.text.*; import java.util.*; public class CottageVillage { static BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in)); static StringTokenizer st; static String LINE() throws Exception { return stdin.readLine(); } static String TOKEN() throws Exception { whil...
nlogn
15_A. Cottage Village
CODEFORCES
import java.util.*; import java.math.*; import static java.lang.Math.*; import static java.math.BigInteger.*; import static java.lang.Character.*; import static java.util.Arrays.*; import static java.util.Collections.*; public class B { static final int[] num = new int[7]; static { for(int i = 1, c = 1; i <= 6; ...
linear
1_B. Spreadsheets
CODEFORCES
import java.util.*; public class D { public static void main(String args[]) { int n; Scanner in = new Scanner (System.in); n= in.nextInt(); if (n%4==0 || n%7==0 || n%44==0 || n%47==0 || n%444==0 || n%447==0 || n%474==0 || n%477==0 || n%744==0 || n%747==0 || n%774==0 || n%777==0) System.out....
constant
122_A. Lucky Division
CODEFORCES
import java.io.*; import java.util.*; public class p7{ static class FastReader{ BufferedReader br; StringTokenizer st; public FastReader() { br = new BufferedReader(new InputStreamReader(System.in)); } String next() { while (st == null || !st.hasMoreElements()) { try ...
nlogn
1054_D. Changing Array
CODEFORCES
import java.io.BufferedReader; import java.io.OutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * @author Anirudh Rayabharam (anirudhrb@yandex.com) */ public class Mai...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.util.*; public class A { public static void main(String[] args) { Scanner sc = new Scanner(System.in); long n = sc.nextLong(); List<Long> fi = new ArrayList<Long>(); fi.add((long) 0); fi.add((long) 1); while (fi.get(fi.size()...
constant
199_A. Hexadecimal's theorem
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.io.IOException; import java.io.InputStreamReader; import java.io.File; import java.io.FileNotFoundExc...
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.Set; import java.util.StringTokenizer; import java.util.TreeSet; public class A { public static void main(String[] args) throws IOException { new A().run(); } B...
nlogn
22_A. Second Order Statistics
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 * @author bdepwgjqet */ public class ...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.*; import java.math.BigDecimal; import java.math.BigInteger; import java.math.RoundingMode; import java.text.DecimalFormat; import java.util.*; import static java.lang.Math.*; public class Main { final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE") != null; BufferedReader in; Pr...
cubic
35_C. Fire Again
CODEFORCES
import java.io.BufferedReader; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.math.BigInteger; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections...
linear
468_B. Two Sets
CODEFORCES
import java.io.*; import java.util.*; public class Main implements Runnable { class Segment { int l, r; Segment(int l, int r) { this.l = l; this.r = r; } @Override public boolean equals(Object obj) { Segment o = (Segment)obj; return l == o.l && r == o.r; } @Override public int hashCode()...
nlogn
15_A. Cottage Village
CODEFORCES
import java.util.Scanner; import java.io.OutputStream; import java.io.IOException; import java.io.PrintWriter; import java.util.Locale; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */ public class Main { public static void main(String[] args) { InputStream inputSt...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.io.*; import java.util.*; public class A { public static void main(String args[]) { FastScanner scn = new FastScanner(); int n = scn.nextInt(); int s = scn.nextInt(); if (s <= n) { System.out.println(1); } else if (s > n) { if(s%n == 0){ ...
constant
1061_A. Coins
CODEFORCES
//package educational.round67; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.InputMismatchException; import java.util.List; public class G { InputStream is; PrintWriter out...
cubic
1187_G. Gang Up
CODEFORCES
import java.io.BufferedReader; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.Queue; import java.util.concurrent.ArrayBlockingQueue; public class ProblemC { static int[] dx = {1...
cubic
35_C. Fire Again
CODEFORCES
import java.util.Scanner; import java.io.OutputStream; import java.io.IOException; import java.util.Arrays; import java.io.PrintWriter; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * @author codeKNIGHT */ public class Main { public static void main(String[] args) {...
nlogn
169_A. Chores
CODEFORCES
import java.util.*; import java.lang.*; import java.io.*; public class Main { PrintWriter out = new PrintWriter(System.out); BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer tok = new StringTokenizer(""); String next() throws IOException { if (!tok.hasMoreToke...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.StringTokenizer; public class LookingForOrder { static int[][] pos; static int[] dp; static int[] nextstate; static int[][] dist; static int r; static int v; static void pri...
np
8_C. Looking for Order
CODEFORCES
import java.util.*; import java.io.*; public class C994{ static double area(double x1,double y1,double x2,double y2,double x3,double y3){ return Math.abs((x1 * (y2 - y3) + x2 * (y3 - y1) + x3 * (y1 - y2)) / 2.0); } public static void main(String args[])throws IOException{ Scanner sc=new Scanner(new ...
constant
994_C. Two Squares
CODEFORCES
import java.io.IOException; import java.io.InputStream; public class Cycles { public static FastInputStream fis; public static void main(String[] args) throws IOException { fis = new FastInputStream(System.in); System.out.println(solve(fis.nextInt(), fis.nextInt())); fis.close(); } public static l...
np
11_D. A Simple Task
CODEFORCES
import java.util.Scanner; public class A_Toy_Army { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Scanner entrada = new Scanner(System.in); while(entrada.hasNextInt()) { int n = entrada.nextInt(); System.out.println(n+(n/2)); } } }
constant
84_A. Toy Army
CODEFORCES
import java.io.*; import java.util.Scanner; import java.lang.String; public class A23 { public static void main(String[] args) { Scanner in = new Scanner(System.in); String s = in.nextLine(); int i=0,j=0,n=0,t=0,count=0; n=s.length(); String s1="y",s2="yu6j"; for(t=1;t<n;t++) { ...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.*; import java.io.*; public class C{ public static void main(String args[]) { Scanner in = new Scanner(System.in); int n=in.nextInt(),key=in.nextInt(),ans=0; int[] a = new int[101], b = new int[101]; for (int i=1;i<=n;i++) {a[i]=in.nextInt();b[i]=in.nextInt();} for (int i=1;i<n;i++) for...
nlogn
166_A. Rank List
CODEFORCES
import java.util.Scanner; public class B1177 { public static void main(String[] args) { Scanner in = new Scanner(System.in); long N = in.nextLong(); long answer = solve(N, 0, 1, 1); System.out.println(answer); } static long solve(long N, long offset, long start, int digits...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.util.Scanner; public class A { static Scanner scanner = new Scanner(System.in); static int s; public static void main(String[] args) { s = scanner.nextInt(); if (s >= 0) { System.out.println(s); } else { if (s >= -10) { System.out.println(0); } else { int ss = -s; int ...
constant
313_A. Ilya and Bank Account
CODEFORCES
// upsolve with rainboy import java.io.*; import java.util.*; public class CF1187G extends PrintWriter { CF1187G() { super(System.out, true); } static class Scanner { Scanner(InputStream in) { this.in = in; } InputStream in; int k, l; byte[] bb = new byte[1 << 15]; byte getc() { if (k >= l) { k = 0; ...
cubic
1187_G. Gang Up
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class problemA { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int[] numbs = new int[n]; int[] smallest_color = new int[n]; for(int i = 0; i < n;i++){ ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; public class A { BufferedReader br; PrintWriter out; StringTokenizer st; boolean eof; long f(int x, int y) { if (x == 0 || y == 0) return 0; if (x >= y) { return x / y + f(y, x % y); } else { return y / x + f(x, y % x); } } A() throws IOException { br ...
constant
267_A. Subtractions
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String [] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); int numbers[] = new int[n]; for (int i = 0; i < n; i++) { numbers[i] = scanner.nextInt(...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class round111A { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int [] coins = new int [n]; for(int i = 0 ; i < n ; ++i) coins[i] = sc.nextInt(); Arr...
nlogn
160_A. Twins
CODEFORCES
import java.io.BufferedWriter; import java.io.IOException; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.Arrays; import java.util.HashSet; import java.util.Set; import java.util.stream.IntStream; public class Test { static PrintWriter writer = new PrintWriter(new BufferedWrite...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.util.Locale; import java.util.Scanner; public class E { public static void main(String[] args) { new E().run(); } private void run() { Locale.setDefault(Locale.US); Scanner sc = new Scanner(System.in); int n = sc.nextInt(); double[][] p = new double[n][n]; for (int i = 0; i < n; i++) { f...
np
16_E. Fish
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.*; import java.io.BufferedReader; import java.io.InputStreamReader; public class Main { public static void main(String[] args) { InputStream inputStream = System.in; Ou...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class SimpleTask { public static void main(String[] args) throws Exception { InputReader in = new InputReader(System.in...
np
11_D. A Simple Task
CODEFORCES
import java.util.*; import java.io.*; import static java.lang.Math.*; public class Main { static int n; static long TotalTime; static Problem[] problems; static StringBuilder sb; public static void main(String[] args) { FastScanner sc = new FastScanner(); sb = new StringBuilder();...
nlogn
913_D. Too Easy Problems
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.HashMap; import java.util.Map; import java.util.StringTokenizer; public class Main { static BufferedReader in=new BufferedReader(new InputStreamReader(System.in)); st...
nlogn
1005_E1. Median on Segments (Permutations Edition)
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.util.Arr...
cubic
1185_G2. Playlist for Polycarp (hard version)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class Main { private void solve() throws IOException { out.println(solve(nl())); out.close(); } private long solve(long n) throws IOException { ...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Cf1017A { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer...
linear
1017_A. The Rank
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc =new Scanner(System.in); long n=sc.nextLong(); long x=1; long ar=0; tag:for(long i=1;;i++) { ar+=9*i*x; if(ar>=n) { long d = n - (ar-9*i*x); ...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.util.Arrays; import java.util.Comparator; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner r = new Scanner(System.in); int N = r.nextInt(); int K = r.nextInt() - 1; T[] a = new T[N]; for(int i = 0; i < N; i+...
nlogn
166_A. Rank List
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class A { public static void main(String[] args) { Scanner sc = new Scanner(System.in); BigInteger l = sc.nextBigInteger(); BigInteger r = sc.nextBigInteger(); BigInteger a = l.add(BigInteger.ZERO); while (a.compareTo(r) < 0) { BigInteger b...
constant
483_A. Counterexample
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class Codeforces { public StreamTokenizer st; public PrintWriter pw; public static final int modulo = 1000000009; static class Point { public int x, y; Point(int _x, int _y) { x = _x; y = _y; } } void init...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.io.*; import java.util.*; public class z3 { public static boolean divch(int i,int a) { if (a>1000) return false; if ((a>0)&&(i%a==0)) return true; return (divch(i,a*10+4)||divch(i,a*10+7)); } public static void main(String[] args) throws IOException { Scanner in = new Scanner(System.in); System.out.p...
constant
122_A. Lucky Division
CODEFORCES
import java.util.Scanner; public class Round8_C { /** * @param args */ int n ; int[] X, Y ; public Round8_C() { info_in() ; process() ; } void info_in() { Scanner input = new Scanner(System.in) ; int dx = input.nextInt() ; int dy = input.nextInt() ; n = input.nextInt() ; X = new int...
np
8_C. Looking for Order
CODEFORCES
import java.io.*; import java.util.*; public class zz{ static int mod=(int)1e9+7; public static void main(String[] args) throws Exception{ //MScanner sc = new MScanner("chess.in"); MScanner sc = new MScanner(System.in); PrintWriter pw=new PrintWriter(System.out); int n=sc.nextInt(...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.IOException; import java.io.InputStreamReader; import java.io.StreamTokenizer; import java.util.ArrayList; import java.util.List; import java.util.Locale; import java.util.Scanner; public class Main implements Runnable { /** * @param args */ public static void main(String[] args) { new Thread(n...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.*; import java.io.*; public class _1036_B_DiagonalWalkingV2 { public static void main(String[] args) throws IOException { int Q = readInt(); while(Q-- > 0) { long n = readLong(), m = readLong(), k = readLong(); if(Math.max(n, m) > k) println(-1); else { long ans = k; if(n%2 != k...
linear
1036_B. Diagonal Walking v.2
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class pr1073B { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System....
linear
1073_B. Vasya and Books
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class Codeforce { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] arr = new int[n]; for(int i=0; i<n; i++) { arr[i] = sc.nextInt(); } int color = 0; Arrays.sort(arr); for(int i=0; i<...
quadratic
1209_A. Paint the Numbers
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(); int m = sc.ne...
np
1102_F. Elongated Matrix
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); int n = sc.nextInt(); int ce = 0; int co = 0; int le = 0; int lo = 0; for (int i = 0; i < n; i++) { int x = sc.nextInt(); if (x % 2...
linear
25_A. IQ test
CODEFORCES
import java.util.Scanner; public class b817 { public static Scanner scn = new Scanner(System.in); public static void main(String[] args) { // TODO Auto-generated method stub long n = scn.nextLong(); long s = scn.nextLong(); long lo = 0; long hi = n ; while(lo<=hi) { long mid=(lo+hi)/2; if(c...
logn
817_C. Really Big Numbers
CODEFORCES
import java.io.*; import java.util.*; public class G { static final int P = 1_000_000_007; int[][] ways; int[][] pow; void preCalc(int sz) { ways = new int[sz][]; for (int i = 0; i < ways.length; i++) { ways[i] = new int[i + 1]; ways[i][0] = ways[i][i] = 1; for (int j = 1; j < i; j++) { ways[i]...
quadratic
908_G. New Year and Original Order
CODEFORCES
/*Author: Satyajeet Singh, Delhi Technological University*/ import java.io.*; import java.util.*; import java.text.*; import java.lang.*; public class Main { /*********************************************Constants******************************************/ static PrintWriter out=new PrintWriter(new OutputStreamWr...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class Solution{ public static void main(String[] args)throws IOException{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); StringTokenizer st = new StringTokeniz...
linear
1197_B. Pillars
CODEFORCES
import java.util.*; import java.io.*; public class Cf270a { public static void main(String[] args) throws IOException { InputStreamReader fin = new InputStreamReader(System.in); Scanner scr = new Scanner(fin); int n = scr.nextInt(); int x = 0; int y = 0; if (n%2 == 0)...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.HashMap; import java.util.InputMismatchException; import java.util.Map; /** * Created by hama_du on 2014/09/21. */ public class ProblemB { public static void main(String[] args) { ...
linear
468_B. Two Sets
CODEFORCES
import java.io.BufferedWriter; import java.io.DataInputStream; import java.io.FileWriter; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.List; import java.util.StringTokenizer; public class A { BufferedReader in; StringTokenizer st; PrintWriter out; void solve() throws IOE...
linear
17_A. Noldbach problem
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.util.HashSet; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * @author Lo...
linear
224_B. Array
CODEFORCES
//package codeforces.br17; import java.io.*; import java.text.DecimalFormat; public class ProblemA { public void solve() { boolean oj = true; try { Reader reader = oj ? new InputStreamReader(System.in) : new FileReader("A.in"); Writer writer = oj ? new OutputStreamWriter(S...
linear
17_A. Noldbach problem
CODEFORCES
import java.util.*; public class Quiz{ static int MOD = (int)1e9 + 9; public static void main(String[] args){ Scanner reader = new Scanner(System.in); long n = reader.nextInt(); long m = reader.nextInt(); long k = reader.nextInt(); long r = (n + k - 1)/k; long longDrops = n%k; if(longDrops == ...
logn
338_A. Quiz
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.*; import java.io.*; public class Main { static FastScanner sc = new FastScanner(System.in); static PrintWriter pw = new PrintWriter(System.out); static StringBuilder sb = new StringBuilder(); static long mod = (long) 1e9 + 7; public static void main(String[] args) throws Exception...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; /* * To change this license header, choose License Headers in Project Properties. * To change this template ...
linear
1191_D. Tokitsukaze, CSL and Stone Game
CODEFORCES
import java.io.*; import java.lang.reflect.Array; import java.math.BigInteger; import java.util.*; import java.util.concurrent.atomic.AtomicIntegerArray; public class Solution { public static void main(String[] args) throws Exception { MyReader reader = new MyReader(System.in); // MyReader reader =...
quadratic
908_G. New Year and Original Order
CODEFORCES
import java.util.*; import java.lang.*; public class Main{ public static void main(String args[]){ Scanner sc=new Scanner(System.in); String str=sc.next(); sc.close(); int maxm=0; int ind1,ind2; for(int i=0;i<str.length();i++){ for(int j...
cubic
23_A. You're Given a String...
CODEFORCES