src
stringlengths
95
64.6k
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stringclasses
1 value
/** * @author: Prasad Chaudhari * @linkedIn: https://www.linkedin.com/in/prasad-chaudhari-841655a6/ * @git: https://github.com/Prasad-Chaudhari */ import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOExcepti...
cubic
1523_C. Compression and Expansion
CODEFORCES
/** * Created by Omar on 7/22/2016. */ import java.util.*; import java.io.*; public class CF364C { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); PrintWriter pw = new PrintWriter(System.out); int n=Integ...
linear
701_C. They Are Everywhere
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class Main { InputStream is; PrintWriter out; String INPUT = "" ; boolean local = false; int inf=0x7FFFFFFF; int MOD=(int)(1e9+7); double eps=1e-5; double PI=Math.acos(-1); void solve() { long maxn=nl(); ...
logn
713_B. Searching Rectangles
CODEFORCES
import java.util.*; public class C { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); char[] s = new char[n]; String line = in.next(); int ct=0,ht=0; for(int i=0;i<n;i++) //count animals if(line.charA...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.io.*; import java.util.*; public class Codeforces913F { public static void main(String[] args) throws IOException { Scanner input = new Scanner(System.in); int n = input.nextInt(); int a = input.nextInt(); int b = input.nextInt(); input.close(); final int mod = 998244353; int frac = multi...
quadratic
913_F. Strongly Connected Tournament
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.TreeMap; import java.util.StringTokenizer; import java.util.Map; import java.util.Map.Entry; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; impo...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class Main { static int t,m,mod=998244353,maxn=1000000,q,n,k; static int INF=(int)1e8; void solve(PrintWriter out, Reader in) throws IOException{ n = in.nextInt(); m = in.nextInt(); String str = in.next(); ...
np
1238_E. Keyboard Purchase
CODEFORCES
import java.io.*; import java.util.*; public class Solution { private StringTokenizer st; private BufferedReader in; private PrintWriter out; public void solve() throws IOException { int n = nextInt(); int[] a = new int[n]; for (int i = 0; i < n; ++i) { a[i] = nextInt(); } int[] b = a.clone(); Ar...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.io.InputStreamReader; import java.util.Scanner; import java.io.IOException; public class kresz { public static double a; public static double v; public static double l; public static double d; public static double w; public static double gyorsulut (double v1, double v2) { //v1 -> v2 mennyi utat te...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.util.*; import java.lang.*; import java.io.*; public class java2 { public static void main(String[] args) { Scanner r = new Scanner(System.in); int n=r.nextInt(); int []l=new int[1005]; int []ri=new int[1005]; int []candy=new int[1005]; for(int i=1;i<=n;+...
quadratic
1054_C. Candies Distribution
CODEFORCES
import java.util.*; public class A { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int N = sc.nextInt(); int first = Integer.MAX_VALUE, second = Integer.MAX_VALUE; for (int i = 0, x; i < N; ++i) { x = sc.nextInt(); if (x < fi...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class Bag implements Runnable { private void solve() throws IOException { int xs = nextInt(); int ys = nextInt(); int n = nextInt...
np
8_C. Looking for Order
CODEFORCES
import java.util.*; import java.lang.*; import java.io.*; /* Name of the class has to be "Main" only if the class is public. */ public class Main { public static void main (String[] args) throws java.lang.Exception { // your code goes here FastReader sc=new FastReader(); long n=sc.L(); long k=sc.L(); long ...
logn
1195_B. Sport Mafia
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 java.util.*; import java.io.*; public class FirstClass { public static void main(String[] args)throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); PrintWriter out = new PrintWriter(System.out); int n = Integer.parseInt(br.readLine()); int arr[] = new ...
linear
1054_B. Appending Mex
CODEFORCES
import java.io.*; import java.util.*; public class Solution { StreamTokenizer in; PrintWriter out; public static void main(String[] args) throws Exception { new Solution().run(); } public void run() throws Exception { in = new StreamTokenizer(new BufferedReader(new InputStreamRea...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.util.HashMap; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution ...
nlogn
903_D. Almost Difference
CODEFORCES
import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Scanner; public class Main { private static class Interval implements Comparable<Interval> { public int start , end; public Interval(int start , int end) { this.st...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.util.*; public class Main { public static void main(String args[]) { Scanner scan = new Scanner(System.in); int n=scan.nextInt(); int m=scan.nextInt(); int[] game=new int[n]; int[] bill=new int[m]; for (int i = 0; i <n ; i++) { game[i]=scan.ne...
linear
1009_A. Game Shopping
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
1019_B. The hat
CODEFORCES
import java.util.*; public class A630 { public static void main(String[] args) { Scanner scan = new Scanner(System.in); long n = scan.nextLong(); System.out.println(25); } }
constant
630_A. Again Twenty Five!
CODEFORCES
import java.awt.Point; 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.StringTokenizer; public class A { static StringTokenizer s...
constant
343_A. Rational Resistance
CODEFORCES
import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.nio.charset.Charset; import java.util.Arrays; import java.util.HashMap; import java.util.Map; import java.util.Random; public class CFContest { public static void main(String[] args) ...
logn
1195_B. Sport Mafia
CODEFORCES
import sun.reflect.generics.tree.Tree; import java.io.*; import java.util.*; public class A2 { static Scanner in; static int next() throws Exception {return in.nextInt();}; // static StreamTokenizer in; static int next() throws Exception {in.nextToken(); return (int) in.nval;} // static BufferedReader in; static Pr...
nlogn
166_A. Rank List
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...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class thing { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int m = in.nextInt(); String s = in.next(); int[][] count = new int[m][m]; int[] dp = new int[1 << m]; Arrays.fill(dp, ...
np
1238_E. Keyboard Purchase
CODEFORCES
import java.util.*; import java.util.Map.Entry; import java.io.*; import java.math.*; import static java.util.stream.Collectors.*; import static java.util.Map.Entry.*; /* Name of the class has to be "Main" only if the class is public. */ public class Main { public static void main (String[] args) throws IOExcepti...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class A { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int a = in.nextInt(); int b = in.nextInt(); int[] ar = new int[n]; for (int i = 0; i < n; i++) ...
nlogn
169_A. Chores
CODEFORCES
import java.util.*; import java.io.*; import java.awt.Point; import static java.lang.Math.*; public class P274A { public static int i(String s) { return Integer.parseInt(s); } public static void main(String[] args) throws Exception { BufferedReader in = new BufferedReader(new InputStreamReader(System.i...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import com.sun.java_cup.internal.runtime.virtual_parse_stack; import java.util.Arrays; import java.util.Scanner; /** * Created by ali on 2/3/14. */ public class D { public static void main(String [] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int m = in.nextInt(); boolean [][] gra...
cubic
387_D. George and Interesting Graph
CODEFORCES
import java.io.InputStreamReader; import java.io.IOException; import java.util.Arrays; import java.util.Comparator; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.util.Collections; import java.io.InputStream; /** * Built using CHel...
nlogn
257_A. Sockets
CODEFORCES
import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.PrintWriter; import java.util.Scanner; public class _909C { private static final int MOD = 1000000007; private static void solve(Scanner scan, PrintWriter pw) { int n = scan.nextInt(); scan.nextLine(); ...
quadratic
909_C. Python Indentation
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;...
np
1238_E. Keyboard Purchase
CODEFORCES
import java.util.Scanner; import javafx.geometry.Point2D; public class ChessKing { /** * @param args the command line arguments */ public static void main(String[] args) { Scanner input = new Scanner(System.in); long size = input.nextLong(); long a = input.nextLong(); long b = input.nextLong...
constant
1075_A. The King's Race
CODEFORCES
import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.PrintWriter; import java.util.Arrays; import java.util.LinkedList; import java.util.Queue; import java.util.StringTokenizer; public class Main1 { static int ...
cubic
35_C. Fire Again
CODEFORCES
import java.util.*; import javax.lang.model.util.ElementScanner6; import java.io.*; public class Main { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader inp = new InputReader(inputStream); Prin...
quadratic
1197_D. Yet Another Subarray Problem
CODEFORCES
import java.util.*; import java.io.*; import static java.lang.Math.*; public class Main { static MyScanner scan; static PrintWriter pw; static long MOD = 1_000_000_007; static long INF = 2_000_000_000_000_000_000L; static long inf = 2_000_000_000; public static void main(String[] args) { ...
cubic
1523_C. Compression and Expansion
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.HashMap; import java.util.InputMismatchException; import java.io.IOException; import java.util.ArrayList; import java.util.List; i...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class SonyaAndHotels { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int d = sc.nextInt(); int[] locs = new int[n]; for (int i = 0; i < n; i++) { locs[...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.util.Scanner; public class AlexAndARhombus { public static void main(String args[]) { Scanner sc=new Scanner(System.in); int n=sc.nextInt(); System.out.println(n*n+(n-1)*(n-1)); sc.close(); } }
constant
1180_A. Alex and a Rhombus
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.PriorityQueue; import java.util.Random; import java.util.StringTokenizer; public class Solution{ ...
logn
1019_B. The hat
CODEFORCES
import java.io.*; import java.util.*; public class Main{ public static void main(String[] args)throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br.readLine()); long n = Long.parseLong(st.nextToken()); long s = Long.parseLon...
logn
817_C. Really Big Numbers
CODEFORCES
import java.util.Scanner; import java.util.regex.Matcher; import java.util.regex.Pattern; public class B1 { public static void main(String[] args) { Scanner in = new Scanner(System.in); int testCount = in.nextInt(); for (int test = 0; test < testCount; test++) { String src = in....
linear
1_B. Spreadsheets
CODEFORCES
import static java.lang.Math.*; import java.io.*; import java.util.*; public class Template { BufferedReader in; PrintWriter out; StringTokenizer st; String next() { while (st==null || !st.hasMoreTokens()) { try { st = new StringTokenizer(in.readLine()); } catch (Exception e) {} } return st....
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.StringTokenizer; public class B { static int first(int n) { int ...
np
11_D. A Simple Task
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.ArrayList; import java.util.Arrays; import java.util.LinkedList; import java.util.List; import java.util.Queue; import java.util.StringTokenizer; public...
linear
224_B. Array
CODEFORCES
import java.util.*; import java.util.Map.Entry; import java.io.*; import java.math.*; import static java.util.stream.Collectors.*; import static java.util.Map.Entry.*; /* Name of the class has to be "Main" only if the class is public. */ public class Main { public static void main (String[] args) throws Exception ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.*; import java.util.*; import java.lang.*; public class A { private BufferedReader in; private StringTokenizer st; void solve() throws IOException{ int len = 0; String x = next(); HashSet<String> h = new HashSet<String>(); fo...
cubic
23_A. You're Given a String...
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...
nlogn
135_A. Replacement
CODEFORCES
import java.lang.*; import java.math.*; import java.util.*; import java.io.*; public class Main { void solve() { int n=ni(),m=ni(); int a[][]=new int[n+1][m+1]; for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) a[i][j]=ni(); if(n==1){ int mn=Integer.MAX_VALUE; for(...
np
1102_F. Elongated Matrix
CODEFORCES
import java.awt.Point; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.PrintWriter; import java.util.Scanner; public class C { public static void main(String[] args) throws FileNotFoundException { Scanner in = new Scanner(new FileReader(new File("input....
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.ArrayList; import java.util.Arrays; import java.util.StringTokenizer; public class A{ static int n,m,start; static boolean [][] adj; static long [][] mem; public static void mai...
np
11_D. A Simple Task
CODEFORCES
import java.io.InputStreamReader; import java.io.IOException; import java.util.Arrays; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.io.Writer; import java.util.StringTokenizer; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at...
nlogn
160_A. Twins
CODEFORCES
import java.io.*; import java.util.*; public class CF1185G2 { static final int MD = 1000000007; static int[][] solve1(int[] aa, int t, int n) { int[][] da = new int[t + 1][n + 1]; da[0][0] = 1; for (int i = 0; i < n; i++) { int a = aa[i]; for (int s = t - 1; s >= 0; s--) for (int m = 0; m < n; m++) {...
cubic
1185_G2. Playlist for Polycarp (hard version)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Scanner; public class CF125A { private void work() throws IOException { Scanner sc = new Scanner(new BufferedReader(new InputStreamReader( System.in))); int n = sc.nextInt(); System.out.printf("%d ...
constant
199_A. Hexadecimal's theorem
CODEFORCES
import java.math.BigDecimal; import java.util.*; import java.math.BigInteger; public class Main { static Long[] a = new Long[205000]; static Long[] postfix=new Long[205000]; static HashMap<Long,Long> check=new HashMap<Long,Long>(); public static void main(String args[]) { Scanner cin = new Scann...
nlogn
903_D. Almost Difference
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.StringTokenizer; public class A { private static final int INF = (int) 1e9 + 7; public s...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.*; import java.util.*; public class Codechef{ static int max=Integer.MIN_VALUE; static int res=0; static int[] checkMax(int arr[],int j){ int sum=0; int x=arr[j]; while(x!=0){ if(j+1==15){ j=0; }else{ ...
constant
975_B. Mancala
CODEFORCES
import java.util.Scanner; 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 */ public class Main { public static void main(String[] args) { InputStream inputStream = System.in...
logn
287_B. Pipeline
CODEFORCES
import java.util.*; import java.math.*; import java.io.*; public class CF1068A { public CF1068A() { FS scan = new FS(); long n = scan.nextLong(), m = scan.nextLong(), k = scan.nextLong(), l = scan.nextLong(); long ceil = (k + l + m - 1) / m; if(k + l <= n && ceil * m <= n) System.out.println(ceil); else Sys...
constant
1068_A. Birthday
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class Main{ public static void main(String[] Args) throws Exception { Scanner sc = new Scanner(new FileReader("input.txt")); int n,m,k; Integer lx,ly; boolean d[][]; n = sc.nextInt(); m = sc.nextInt(); k = sc.nextInt();...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.util.*; import java.lang.*; import static java.lang.Math.*; public class TaskA implements Runnable { long m = (int) 1e9 + 7; PrintWriter w; InputReader c; /*Global Variables*/ public void run() { c = new InputReader(System.in); w = new PrintWriter(Sys...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; import java.text.*; import java.lang.*; import java.lang.reflect.Array; import java.math.BigInteger; import java.util.regex.*; public class Main{ static long dp[][][][]=new long [16][16][16][4]; static void ini() { for(int i=0;i<16;i++) { for(int j=0;j<16;j++) { fo...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.util.*; import java.io.*; public class B{ public static void main(String[] args) { FastScanner fs = new FastScanner(); PrintWriter out = new PrintWriter(System.out); int t = fs.nextInt(); for(int tt=0;tt<t;tt++) { int n = fs.nextInt(); int[] arr = fs.readArray(n); List<String> ans = new...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.*; public class ProblemA { public static void main(String[] args) { Scanner s = new Scanner(System.in); int n = s.nextInt(); int t = s.nextInt(); TreeMap<Integer,Integer> map = new TreeMap<Integer,Integer>(); // int x = 0 ; while(s.hasNextInt()) { int i = s.nextInt(); int ...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws FileNotFoundException { ConsoleIO io = new ConsoleIO(new InputStreamReader(System.in), new PrintWriter(System.out)); // String fileName = "C-large-practice"; // ConsoleIO io = new ConsoleI...
logn
1080_D. Olya and magical square
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 Testt { final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE") != null; BufferedReader in; PrintWriter out; StringTokenizer t...
nlogn
160_A. Twins
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class Solution1515B { public static void main(String[] args) { InputReader in = new InputReader(System.in); PrintWriter...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.util.Scanner; public class c { public static void main(String[] args) { Scanner scan = new Scanner(System.in); long n = scan.nextLong(); long s = scan.nextLong(); scan.close(); long start = s - s % 10; while (start <= n && !isBig(start, s)) { start += 10; } if (start > n) { System.o...
logn
817_C. Really Big Numbers
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.List; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; impo...
cubic
840_C. On the Bench
CODEFORCES
import java.io.*; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.StringTokenizer; public class realfast implements Runnable { private static final int INF = (int) 1e9; int time[]= new int[15]; int g[]= new int [15]; public void solve() throws IOExceptio...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
//package baobab; import java.io.*; import java.util.*; public class C { public static void main(String[] args) { Solver solver = new Solver(); } static class Solver { IO io; public Solver() { this.io = new IO(); try { solve(); ...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Scanner; public class Solution { public static void main(String[] args) { Solution solution = new Solution(); System.out.println(solution.solve()); } private int solve() { Scanner in = new Scan...
nlogn
1011_B. Planning The Expedition
CODEFORCES
import java.io.*; import java.util.*; import java.util.stream.*; public class a implements Runnable{ public static void main(String[] args) { new Thread(null, new a(), "process", 1<<26).start(); } public void run() { FastReader scan = new FastReader(); PrintWriter out = new PrintWriter(new...
np
1242_C. Sum Balance
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...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; public class Main { public static void main(String[] args) throws IOException { BufferedReader r = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.pa...
nlogn
135_A. Replacement
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.*; import java.util.*; public class Main implements Runnable { public void _main() throws IOException { long a = nextLong(); long b = nextLong(); long res = 0; while (b > 0) { res += a / b; long t = a % b; a = b; b = t; } out.println(res); } private BufferedReader in; priv...
constant
343_A. Rational Resistance
CODEFORCES
import java.io.*; import java.util.*; public class Main{ public static void main(String[] args){ Scanner s= new Scanner(System.in); int n=s.nextInt();StringBuilder sb=new StringBuilder(); long[] a=new long[n/2]; for(int i=0;i<n/2;i++){ a[i]=s.nextLong(); }int j=0;long[] a2=new long[n/2];long[] a1...
linear
1093_C. Mishka and the Last Exam
CODEFORCES
import java.io.*; import java.util.*; public class B { static double max; static int n, A, b[], l[]; static int sw[]; public static void main(String[] args) { Scanner sc = new Scanner(System.in); n = sc.nextInt(); int k = sc.nextInt(); A = sc.nextInt(); b = new int[n]; l = new int[n]; sw = new int[n]...
np
105_B. Dark Assembly
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; import java.io.BufferedReader; import java.util.Comparator; import java.io.InputStream...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.io.*; import java.util.StringTokenizer; public class NewYearCurling908C { public static void main(String[] args) throws IOException { FastScanner in = new FastScanner(); int n = in.nextInt(); double r = (double) in.nextInt(); double[] answers = new double[n]; ...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; import static java.util.Arrays.*; // editorial sol public class cf1238e { public static void main(String[] args) throws IOException { int n = rni(), m = ni(), cnt[][] = new int[m][m], dp[] = new int[1 << m], all = (1 << m) - 1; ...
np
1238_E. Keyboard Purchase
CODEFORCES
import java.util.*; public class ex1 { public static void main(String[] args) { int n,i,j; Scanner scan = new Scanner(System.in); n = Integer.parseInt(scan.nextLine()); if(n>=0) System.out.println(n); else if(n<0) { n=-1*n; i=n/10; j=(n/100)*10+n%10; i=-i; j=-j; if(i>=j) System.ou...
constant
313_A. Ilya and Bank Account
CODEFORCES
import java.util.Map; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.HashMap; import java.util.Set; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.util.HashSet; import java.io....
linear
468_B. Two Sets
CODEFORCES
import java.math.BigInteger; import java.util.*; import java.io.*; public class Contest { public static void main(String[] args)throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String[] s=br.readLine().split(" "); BigInteger x = new BigInteger(s[0]); BigInt...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.util.*; import java.io.*; public class A { FastScanner in; PrintWriter out; boolean systemIO = true; public static void quickSort(int[] a, int from, int to) { if (to - from <= 1) { return; } int i = from; int j = to - 1; int x = a[from + (new Random()).nextInt(to - from)]; while (i <= j...
linear
1004_A. Sonya and Hotels
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
911_D. Inversion Counting
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. */ //package newpackage; import java.util.*; /** * * @author parpaorsa */ public class NewClass { static Scanner in=new Scanner(Sys...
linear
1159_A. A pile of stones
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
160_A. Twins
CODEFORCES
import java.io.*; import java.lang.reflect.Array; import java.util.*; import java.math.*; import java.lang.*; import static java.lang.Math.*; public class TaskB implements Runnable { boolean prime[] = new boolean[(int)1e6+10]; InputReader c; PrintWriter w; public void run() { c = new InputRea...
linear
608_B. Hamming Distance Sum
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Comparator; import java.util.HashMap; import java.util.TreeMap; public class Main extends PrintWriter { static BufferedReader s = new BufferedReader(new InputStreamReader(Syste...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class D { public static void main(String[] args) throws IOException { new D().solve(); } static final double EPS = 1e-10; Parser pa...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.io.*; import java.util.*; public class B { public static void main(String [] args) throws IOException { Scanner in = new Scanner(System.in); long n = in.nextLong(); long k = in.nextLong(); if(n == 1) { System.out.println(0); return; } if(n <= k) { System.out.println(1); retur...
logn
287_B. Pipeline
CODEFORCES
import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.util.Scanner; public class FireAgain { public static void main(String[] args) throws IOException { FileInputStream in = null; FileOutputStream out = null; try { in =...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.util.*; public class E { public static void main(String[] args) throws IOException { Scanner sc=new Scanner(System.in); PrintWriter out=new PrintWriter(System.out); int n=sc.nextInt(),k=sc.nextInt(); boolean [][]adj=new boolean[n][n]; for(int i=0;i<n;i++) for(int j=0;j<n;...
np
839_E. Mother of Dragons
CODEFORCES
import java.io.*; import java.util.*; public class A{ InputStream is; PrintWriter out; String INPUT = ""; public void solve(){ int n=ni(); int ans=0; int[] arr=na(n); for(int i=0;i<n;i++){ for(int j=i+1; j<n; j++){ if(arr[i] > arr[j]){ ans^=1; } } } int m=ni(); while(m-->0){ i...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.*; import java.util.Arrays; import java.util.Scanner; import java.util.StringTokenizer; public class Main { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader in = new InputReader(inputStream); PrintWriter out = ne...
logn
338_A. Quiz
CODEFORCES
import java.util.*; import static java.lang.System.out; public final class LookingForOrder { private static Map<Integer, Integer> es = new HashMap<Integer, Integer>(); private static void init() { for (int i = 0; i <= 24; i++) es.put(1 << i, i); } private static int x, y; private static int[] xs, ys; ...
np
8_C. Looking for Order
CODEFORCES
import java.io.*; import java.util.StringTokenizer; import static java.lang.Math.max; import static java.lang.Math.min; public class Main { FastScanner in; PrintWriter out; void run() { in = new FastScanner(); out = new PrintWriter(System.out); solve(); out.close(); } ...
logn
1080_D. Olya and magical square
CODEFORCES