src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
import java.util.*; public class Solution { public static void main(String [] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int [] a = new int [n]; int i; int s = 0; for (i = 0; i < n; i++) { a[i] = scan.nextInt(); s +=...
nlogn
160_A. Twins
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
1068_A. Birthday
CODEFORCES
import java.io.*; public class j { public static void main(String a[])throws IOException { BufferedReader b=new BufferedReader(new InputStreamReader(System.in)); int n=0,i=0,k=2; String s="\0",r="\0"; s=b.readLine(); n=s.length()-1; while(k<=s.length()) { for(i=0;i<k;i++) { r=s.substring(i,i+n); if(s.indexOf(r)!=s.last...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.*; public class A23 { public static void main(String[]args){ Scanner sc = new Scanner(System.in); String W = sc.next(); ArrayList<String>Q = new ArrayList<String>(); for (int i = 0; i < W.length(); i++){ String O = ""; for (int k = i; k < W.length(); k++){ O = O + W.charAt(k); ...
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.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...
np
105_B. Dark Assembly
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; /** * Created by Daniil on 5/29/2016. */ public class TaskB { public static int strIndex; public static void main(String[] args) throws IOException { Scanner...
linear
701_C. They Are Everywhere
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class Main { FastScanner in; PrintWriter out; static final String FILE = ""; public void solve() { out.print(25); } public void run() { if (FILE.equals("")) { in = new FastScanner(Syste...
constant
630_A. Again Twenty Five!
CODEFORCES
import java.io.*; import java.math.BigInteger; public class Main { BufferedReader in; PrintWriter out; public static void main(String[] args) throws IOException { new Main().run(); } public void run() throws IOException { //in=new BufferedReader(new FileReader("input.txt")); //out=new PrintWriter(new Fi...
cubic
23_A. You're Given a String...
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.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.FileNotFoundException; import java.util.ArrayList; import java.util.List; import java.util.StringTokenizer; import java.io.Buffere...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.util.*; import java.io.*; import java.math.BigInteger; public class D { FastScanner in; PrintWriter out; boolean systemIO = true; public void solve() { int n = in.nextInt(); int[] a = new int[n]; for (int i = 0; i < a.length; i++) { a[i] = in.nextInt(); } int x = 0; for (int i = 0; i < ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; public class D909 { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); char[] line = br.readLin...
linear
909_D. Colorful Points
CODEFORCES
/* package whatever; // don't place package name! */ 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 { BufferedReader br=new BufferedReader(new Inp...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.util.Scanner; public class Tsk1 { static void metod() throws Exception { Scanner in = new Scanner(System.in); int n = in.nextInt(); String s = in.next(); String ss = s + s; int t = 0; for (int i = 0; i < n; i++) { if (s.charAt(i) == 'T') { ...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.util.*; public class A912 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner scan = new Scanner(System.in); int A = scan.nextInt(); int B = scan.nextInt(); long x = scan.nextInt(); long y = scan.nextInt(); long z = scan.nextInt(); long requiredA =...
constant
912_A. Tricky Alchemy
CODEFORCES
import java.util.*; public class A { public static void main(String[] args) { Scanner s = new Scanner(System.in); int n = s.nextInt(); int[] a = new int[n]; for(int i=0;i<n;i++) a[i] = s.nextInt(); int r = 0, an = 0; Arrays.sort(a); int t = 0; for(int z : a) t += z; for(int i=a.length-1;i>=0;i--){ ...
nlogn
160_A. Twins
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.util.InputMismatchException; /** * @author Egor Kulikov (egor@egork.net) * Created on 14.03.2010 */ public class TaskA implements Runnable { private InputReader in; private PrintWri...
nlogn
22_A. Second Order Statistics
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.StringTokenizer; public class D { static StringTokenizer st; static BufferedReader in; public static void mai...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.util.Scanner; public class A { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int in = sc.nextInt(); System.out.println(in/2 + in); System.exit(0); } }
constant
84_A. Toy Army
CODEFORCES
import java.io.*; import java.util.*; public class substring { static BufferedReader br; static StringTokenizer st; static PrintWriter out; public static void main(String[] args) throws IOException { InputStream input = System.in; //InputStream input = new FileInputStream("fileIn.in"); OutputStream output = ...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.IOException; import java.util.HashSet; import java.util.Scanner; import java.util.Set; public class A { public static void main(String[] args) throws IOException{ Scanner sc = new Scanner(System.in); String s = sc.next(); int n = s.length(); for (int i = n; i >= 1; ...
cubic
23_A. You're Given a String...
CODEFORCES
//package round97; 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 A { static BufferedReader bf = new BufferedReader(new InputStreamReader( System.in)); static StringT...
nlogn
135_A. Replacement
CODEFORCES
import java.util.Scanner; public class A { public static void main(String[] args) { A problem = new A(); problem.solve(); } private void solve() { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int p = sc.nextInt(); int v =...
nlogn
169_A. Chores
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author Darshandarji */ public cla...
np
11_D. A Simple Task
CODEFORCES
import java.util.Scanner; public class A { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); System.out.println(3 * n / 2); } }
constant
84_A. Toy Army
CODEFORCES
import java.io.*; import java.util.*; public class Main { final static int MAXN = 100005; static int n; static Scanner cin; static int[] a; static boolean[] used; public static int Query(int x) { System.out.print("? "); System.out.println(x); System.out.flush(); int a = cin.nextInt(); return a; } publ...
logn
1019_B. The hat
CODEFORCES
import java.io.InputStreamReader; import java.io.IOException; import java.util.InputMismatchException; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.io.Reader; import java.io.Writer; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution ...
constant
343_A. Rational Resistance
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 m = in.nextInt(); int k = in.nextInt(); int[] A = new int[n]; for (int i = 0; i < n; i++) ...
nlogn
257_A. Sockets
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; /** * Created by mostafa on 12/29/17. */ public class C { public static void main(String[] args) throws IOException { Scanner sc = new Scanner(); ...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.*; import java.io.*; import java.util.Map.Entry; public class Codeforces { static int n; static double max; static int[] pre; public static void findIntensity(int l){ for(int i = 0, j = i + l; j < n + 1; i++, j++){ double res = (pre[j] - pre[i]) / (double) l; ...
quadratic
1003_C. Intense Heat
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class Main { public static void main(String[] args) throws IOException { // StreamTokenizer in = new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in))); PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out)); F...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper...
quadratic
1209_A. Paint the Numbers
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.math.BigInteger; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * @author...
np
111_C. Petya and Spiders
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; import java.io.IOException; import java.util.ArrayList; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayDeque; import java.util.Arrays; import java.util.StringTokenizer; public class B { static...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.*; import java.util.*; public class Main implements Runnable { public void _main() throws IOException { int n = nextInt(); int k = nextInt(); boolean[] p = new boolean[n + 1]; Arrays.fill(p, true); List<Integer> primes = new ArrayList<Integer>(); for (int i = 2; i <= n; i++) if (p[i]) {...
linear
17_A. Noldbach problem
CODEFORCES
import java.io.PrintWriter; import java.util.*; import java.util.Arrays ; import java .lang.String.* ; import java .lang.StringBuilder ; public class Test{ static int pos = 0 ; static int arr[] ; static LinkedList l1 = new LinkedList() ; static void find(int p ,char[]x,int put[],String s){ int ...
constant
965_A. Paper Airplanes
CODEFORCES
// discussed with rainboy import java.io.*; import java.util.*; public class CF915E { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); PrintWriter pw = new PrintWriter(System.out); int n = Integer.parseInt(br.readLine()); int...
nlogn
915_E. Physical Education Lessons
CODEFORCES
import java.util.*; import java.io.*; public class A { public static void main(String ar[]) throws Exception { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); String s1[]=br.readLine().split(" "); String s2[]=br.readLine().split(" "); i...
linear
1000_B. Light It Up
CODEFORCES
import java.io.*; import java.util.*; public class CF1027D { 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 StringTokenizer(br.readLine()); int[] cc = new in...
linear
1027_D. Mouse Hunt
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class G1 { static int n, T, duration[], type[]; static long dp[][][], mod = (long) 1e9 + 7; public static void main(String[] args) throws Exception { new Thread(null, new Runnable() { public void run() { ...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
// Don't place your source in a package import java.math.BigInteger; import java.util.*; import java.lang.*; import java.io.*; // Please name your class Main public class Main { static FastScanner fs=new FastScanner(); static class FastScanner { BufferedReader br=new BufferedReader(new InputStreamRe...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.util.InputMismatchException; import java.util.Stack; public class D527A2 { public static void main(String[] args) { FastScanner in = new FastScanner(System.in); int N = in.nextInt(); Stack<Integer> stack = new Stack<>(); for(int i = 0; i < N;...
linear
1092_D1. Great Vova Wall (Version 1)
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; /**...
nlogn
1029_D. Concatenated Multiples
CODEFORCES
import java.util.*; import java.io.*; public class EdC { static long[] mods = {1000000007, 998244353, 1000000009}; static long mod = mods[0]; public static MyScanner sc; public static PrintWriter out; static char[][] grid; static int n; static int t; static int[][] dp; static int[] times; ...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.io.BufferedReader; import java.io.DataInputStream; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StringWriter; import java.util.Arrays; import java.util.Comparator; import java.util.StringTokenizer; import java.io.Inp...
nlogn
1075_C. The Tower is Going Home
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class loser { static class InputReader { public BufferedReader br; public StringTokenizer token; public InputReader(InputStream stream) { br=new BufferedReader(new InputStreamReader(stream),32768); ...
nlogn
608_A. Saitama Destroys Hotel
CODEFORCES
import java.util.*; import java.math.*; public class codeforces { public static void main(String[] args) { Scanner sc=new Scanner(System.in); int n=sc.nextInt(); int[] data=new int[n]; for(int i=0;i<n;i++) data[i]=sc.nextInt(); Arrays.sort(data); if(data[n-1]!=1) data[n-1]=1; else data[n-1]=2...
nlogn
135_A. Replacement
CODEFORCES
import java.io.OutputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparat...
quadratic
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...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StreamTokenizer; import java.util.Arrays; import java.util.Scanner; /** * Created by IntelliJ IDEA. * User: Mirza * Date: 25.03.12 * Time: 18:51 * To change this template use File | Settings | File Template...
nlogn
169_A. Chores
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.StringTokenizer; public class A { public static void main(String[] args) throws Exception { int n=nextInt(); int m=nextInt(); int k=nextInt(); int wa=n-m; if(n/k<=wa){ System.out.println(m); }else{ int notFull=wa; ...
logn
338_A. Quiz
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; import java.util.stream.*; import java.lang.management.*; import static java.lang.Math.abs; import static java.lang.Math.min; import static java.lang.Math.max; import static java.lang.Math.sqrt; import static java.lang.Integer.signum; @SuppressWarnings("uncheck...
logn
1177_B. Digits Sequence (Hard Edition)
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.*; public class test{ public static void main(String args[]) { Scanner s=new Scanner(System.in); int n=s.nextInt(); int m=s.nextInt(); int arr[]=new int[n]; int max = Integer.MIN_VALUE; long sum = 0; for(int i=0;i<n;i++) { arr[i] = s.nextInt(); sum = sum ...
nlogn
1061_B. Views Matter
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.LinkedList; import java.util.Scanner; import java.util.Stack; public class sample { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); ...
constant
84_A. Toy Army
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; // import java.awt.Point; public class Main { InputStream is; PrintWriter out; String INPUT = ""; long MOD = 1_000_000_007; int inf = Integer.MAX_VALUE; void solve() { int n = ni(); int[] a = new int[n]; f...
quadratic
911_D. Inversion Counting
CODEFORCES
/* Keep solving problems. */ import java.util.*; import java.io.*; public class CFA { BufferedReader br; PrintWriter out; StringTokenizer st; boolean eof; private static long MOD = 1000L * 1000L * 1000L + 7; private static final int[] dx = {0, -1, 0, 1}; private static final int[] dy = {1,...
nlogn
1080_E. Sonya and Matrix Beauty
CODEFORCES
import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.StringTokenizer; public class Main implements Runnable { private BufferedReader br; private Stri...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.Reader; import java.util.*; public class F { public static void main(String[] args) { FastScanner scanner = new FastScanner(); int N = scanner.nextInt(); int M = scanner.nextInt(); ...
np
1102_F. Elongated Matrix
CODEFORCES
import java.util.Scanner; public class LuckyDivision { public static void main (String[] args) { Scanner read = new Scanner(System.in); int n = read.nextInt(); if (n % 4 == 0 || n % 7 == 0 || n % 47 == 0 || n % 74 == 0 || n % 447 == 0 || n % 474 == 0 || n % 477 == 0 || n % 744 == 0 || ...
constant
122_A. Lucky Division
CODEFORCES
import java.io.*; import java.lang.reflect.Array; import java.util.*; import java.util.Map.Entry; public class Template { String fileName = ""; long INF = Long.MAX_VALUE / 3; int MODULO = 1000*1000*1000+7; long[] fenwik; int BORDER = 1000*1000+100; void solve() throws IOException { in...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.*; import java.util.*; /* * Heart beats fast * Colors and promises * How to be brave * How can I love when I am afraid... */ public class Main { public static void main(String[] args) { long x=nl(),k=nl(); if(x==0) { pr(0); exit(); } x%=mod; pr((((x*powm(2,k+1,mod))%mod-...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.io.FilterInputStream; import java.io.BufferedInputStream; import java.util.Random; import java.io.InputStream; /** * @author khokharnikunj8 */ public class Main { ...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; public class main { private InputStream stream; private byte[] buf = new byte[1024]; private int curChar; private int numChars; private SpaceCharFilter filter; private PrintWriter pw; private long mod = 1000000000 + 7; private StringBuilder an...
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.*; public class C { private static FastReader fr = new FastReader(); private static PrintWriter out=new PrintWriter(System.out); private static Random random = new Rand...
cubic
1523_C. Compression and Expansion
CODEFORCES
// Don't place your source in a package import javax.swing.*; import java.lang.reflect.Array; import java.text.DecimalFormat; import java.util.*; import java.lang.*; import java.io.*; import java.math.*; import java.util.stream.Stream; // Please name your class Main public class Main { static FastScanner fs=new F...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.io.*; import java.util.*; public class CF1082D { 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 StringTokenizer(br.readLine()); int[] aa = new in...
linear
1082_D. Maximum Diameter Graph
CODEFORCES
import java.util.Scanner; public class Composite { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); if (n == 12) System.out.println("4 8"); else if (n % 2 == 1) System.out.println((n - 9) + " 9"); else System.out.println((n - 6) + " 6"); ...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.math.BigInteger; public class A235 { public static void main(String args[]) throws Exception{ BufferedReader ip = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(ip.readLine()); int a...
constant
235_A. LCM Challenge
CODEFORCES
import java.awt.Point; import java.io.*; import java.math.BigInteger; import java.util.*; import static java.lang.Math.*; public class ProblemA_72 { final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE")!=null; BufferedReader in; PrintWriter out; StringTokenizer tok = new StringTokenize...
constant
84_A. Toy Army
CODEFORCES
import java.util.*; import java.io.*; public class template { public static void main(String[] args) { FastScanner sc = new FastScanner(); PrintWriter pw = new PrintWriter(new OutputStreamWriter(System.out)); int n = sc.nextInt(); int k = sc.nextInt(); long left = 0; long right = n; long mid = left+right...
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.*; public class a { public static void main(String[] args) { Scanner input = new Scanner(System.in); int n = input.nextInt(), m = input.nextInt(), k = input.nextInt(); int[] data = new int[n]; for(int i = 0; i<n; i++) data[i] = input.nextInt(); Arrays.sort(data); m -= k;...
nlogn
257_A. Sockets
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; public class A { BufferedReader reader; StringTokenizer tokenizer; PrintWriter out; public void solve() throws IOException { int N = nextInt(); if( N >= ...
constant
313_A. Ilya and Bank Account
CODEFORCES
// discussed with rainboy import java.io.*; import java.util.*; public class CF915D { static ArrayList[] aa; static boolean[] visited, instack; static int[] stack; static int cnt, h_, i_, j_; static boolean dfs1(int i) { if (visited[i]) { if (instack[i]) { h_ = i; return true; } return false; ...
quadratic
915_D. Almost Acyclic Graph
CODEFORCES
import java.awt.Point; import java.util.LinkedList; import java.util.Queue; import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; imp...
cubic
35_C. Fire Again
CODEFORCES
/* Author : Imran Khan Language: Java */ import java.io.*; import java.util.*; public class Main { public class BasicInputOutput { private StringTokenizer strtoken; private BufferedReader bufferReader; private BufferedWriter bufferWriter; private String delim = " \t\n\r\f"; BasicInputOutput() { d...
np
16_E. Fish
CODEFORCES
import static java.util.Arrays.deepToString; import java.awt.datatransfer.StringSelection; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.StringTokenizer; public class Main { static void solve(...
constant
313_A. Ilya and Bank Account
CODEFORCES
import java.util.*; import java.io.*; public class Main{ BufferedReader in; StringTokenizer str = null; PrintWriter out; private String next() throws Exception{ if (str == null || !str.hasMoreTokens()) str = new StringTokenizer(in.readLine()); ...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.PrintStream; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHe...
quadratic
909_C. Python Indentation
CODEFORCES
import java.util.BitSet; import java.util.Scanner; public class A { static Scanner sc = new Scanner(System.in); public static void main(String[] args) throws Exception { BitSet primes = primes(1001); int N = sc.nextInt(); int K = sc.nextInt(); int count = 0; for (int i = 2; i <= N; ++i) { if (!primes.g...
linear
17_A. Noldbach problem
CODEFORCES
import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; import java.lang.*; public class P11D{ static long mod=1000000007; public static void main(String[] args) throws Exception{ InputReader in = new InputReader(System.in); PrintWr...
np
11_D. A Simple Task
CODEFORCES
//package contests.CF495; import java.io.*; import java.util.HashSet; import java.util.StringTokenizer; public class A { public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); PrintWriter pw = new PrintWriter(System.out); int n = sc.nextInt(); ...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.io.*; import java.util.*; public class f{ public static void main(String[] args) { MyScanner sc = new MyScanner(); out = new PrintWriter(new BufferedOutputStream(System.out)); int n = sc.nextInt(); int m = sc.nextInt(); int[][] arr = new int[n][m]; for(int i=...
np
1102_F. Elongated Matrix
CODEFORCES
import java.io.*; import java.util.*; public class Main { static class FastScanner { BufferedReader br; StringTokenizer st; public FastScanner() { try { br = new BufferedReader(new InputStreamReader(System.in)); st = new StringTokenizer(br.readLine...
linear
996_B. World Cup
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.StringTokenizer; public class A { static StringTokenizer st; static BufferedReader in; static Pri...
constant
313_A. Ilya and Bank Account
CODEFORCES
import java.util.*; import java.io.*; public class E { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); ArrayList<Integer>[][] nexts = new ArrayList[13][]; ArrayList<Integer>[] bs = new ArrayList[13]; int[][] index = new int[...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.io.BufferedInputStream; import java.io.BufferedWriter; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.Map.Entry; import java.util.Scanner; import java.util.TreeMap; public class Main { public static void main(String[] args) { Scanner in = new Scanner(new BufferedInput...
linear
468_B. Two Sets
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.Collections; import java.util.StringTokenizer; /* 1 4 1 1 2 3 */ public class C { public static v...
cubic
1523_C. Compression and Expansion
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.IOException; import java.io.InputStreamReader; import java.io.StreamTokenizer; import java.util.Arrays; import java.util.Scanner; public class Beta97B { static Scanner in; static StreamTokenizer st; static int n; static int[] a; static int max = 1; public static void main(Strin...
nlogn
135_A. Replacement
CODEFORCES
import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.PriorityQueue; import java.util.StringTokenizer; import java.io.*; public class ExplorerSpace { private static class MyScanner { BufferedReader br; StringTokenizer st; public MyScanner() { b...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.*; public class E14G { static int[][] choose; public static void main(String[] args) throws IOException { init_io(); int N = nint(), M = nint(); choose = new int[N+1][]; long[] ways = new long[N+1]; ways[0] = 1; ways[1] = 1; for (int i = 0; i <= N;...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.util.*; import java.io.*; public class Sockets { BufferedReader in; PrintWriter out; StringTokenizer st; String nextToken() throws Exception { while (st == null || !st.hasMoreTokens()) st = new StringTokenizer(in.readLine()); return st.nextToken(); } int n...
nlogn
257_A. Sockets
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; public class A { static double[][] a; static int N; static double[] memo; static double dp(int alive) ...
np
16_E. Fish
CODEFORCES
import java.util.*; /** * https://codeforces.com/contests */ public class TaskA { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); Set<Integer> set = new HashSet<>(); for (int i = 0; i < n; i++) { int a = sc.nextInt(); boolean flag ...
quadratic
1209_A. Paint the Numbers
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 m=In...
nlogn
1061_B. Views Matter
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.stream.IntStream; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.UncheckedIOException; import java.util.stream.Stream; import ja...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author pandusonu */ public class ...
quadratic
983_B. XOR-pyramid
CODEFORCES
/** * Created by Aminul on 12/12/2017. */ import java.io.*; import java.math.BigInteger; import java.util.*; public class CF903D { public static void main(String[] args) throws Exception { FastReader in = new FastReader(System.in); PrintWriter pw = new PrintWriter(System.out); int n = i...
nlogn
903_D. Almost Difference
CODEFORCES