src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
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.io.*; public class ASimpleTask { /************************ SOLUTION STARTS HERE ***********************/ static long memo[][]; static int graph[]; static long hamiltonianPath(int mask , int u) { if(memo[mask][u] != -1) return memo[mask][u]; else if(u == Integer.numberOfTra...
np
11_D. A Simple Task
CODEFORCES
/*==========================================================================*/ /* * AUTHOR: RonWonWon * CREATED: 02.05.2021 19:58:57 * EMAIL: rachitpts.2454@gmail.com */ /*==========================================================================*/ import java.io.*; imp...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.TreeSet; import java.util.StringTokenizer; import java.util.AbstractCollection; import java.io.InputStream; /** * Built usi...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.InputMismatchException; public class C817{ void solve() { long n = nl(), s = nl(); long l = 0, r = n; while(l < r) { long mid = (l + r)/2; if(mid - digSum(mid) < s) l = mid + 1; else r = mid...
logn
817_C. Really Big Numbers
CODEFORCES
import java.io.*; import java.util.*; public class A { String fileName = "<name>"; public TreeSet<Integer> set = new TreeSet<>(); public int getLowerDist(int x) { Integer higher = set.higher(x); Integer lower = set.lower(x); if (higher == null) return lower; if...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); int[] P = new int[n]; int[] check=new int[n]; for (int i = 1; i < n; i++) { P[i] = scanner.nextInt(); ...
linear
913_B. Christmas Spruce
CODEFORCES
import javax.swing.*; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.math.BigInteger; import java.util.StringTokenizer; public class A { public static void main(String[] args) { FastScanner scanner = new FastScanner(); long x = scanner.next...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.io.BufferedWriter; import java.io.File; import java.io.FileWriter; import java.io.IOException; import java.util.LinkedList; import java.util.Queue; import java.util.Scanner; public class FireAgain { static int dx[] = { 0, 0, 1, -1 }; static int dy[] = { 1, -1, 0, 0 }; public static void main(S...
cubic
35_C. Fire Again
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 C implements Runnable { String file = "input"; boolean TEST = false; void solve() throws IOException { rows = ...
np
111_C. Petya and Spiders
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Scanner; import java.util.*; public class Main { static int N; static int [][] dp; static int M = (int)(1e9 + 7); static ArrayList<Integer> l; static int f(int idx, int b) { if(i...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class RationalResistance { public static void main(String args[]) throws IOException{ BufferedReader f= new BufferedReader(new InputStreamReader(System....
constant
343_A. Rational Resistance
CODEFORCES
import java.math.BigInteger; import java.util.*; public class A { private static Scanner in; final int M = 1000000009; public void run() { int n = in.nextInt(); int m = in.nextInt(); int k = in.nextInt(); int z = n - m; if (z >= n / k) { System.out.println(m); return; } int f = n - k * z; i...
logn
338_A. Quiz
CODEFORCES
import java.util.*; public class Solution { public static void main(String[] args) { Scanner sc = new Scanner(System.in); long n = sc.nextLong(); long itrIdx = 0; long itr = 0; long num = 0; while(itrIdx < n){ itrIdx += (itr+1)*(Math.pow(10,itr+1) - Math.pow(10...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class AAA { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTok...
constant
1028_B. Unnatural Conditions
CODEFORCES
import java.io.*; import java.lang.reflect.Array; import java.math.BigInteger; import java.util.*; public class Contest { final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE") != null; BufferedReader in; PrintWriter out; StringTokenizer tok = new StringTokenizer(""); public static void...
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.StringTokenizer; public class C { public static void main(String[] args) throws InterruptedException{ FastScanner scan = new FastScanner(); PrintWriter out = new PrintWriter(S...
logn
817_C. Really Big Numbers
CODEFORCES
import java.io.BufferedReader; import java.io.FileNotFoundException; 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.HashSet; import java.util.LinkedList...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class ProblemA_23 { final boolean ONLINE_JUDGE=System.getProperty("ONLINE_JUDGE")!=null; BufferedReader in; PrintWriter out; StringTokenizer tok=new StringTokenizer(""); void init() throws FileNotFoundException...
cubic
23_A. You're Given a String...
CODEFORCES
import java.lang.*; import java.io.*; import java.util.*; import java.math.*; public class A implements Runnable{ public void run() { int n = nextInt(); int[] arr = new int[n]; boolean allOne = true; for (int i = 0; i < n; ++i) { arr[i] = nextInt(); ...
nlogn
135_A. Replacement
CODEFORCES
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ import java.util.Scanner; /** * * @author RezaM */ public class A { public static void main(String[] args) { Scanner...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.*; import java.util.Arrays; import java.util.StringJoiner; import java.util.StringTokenizer; import java.util.function.Function; public class Main { static String S; public static void main(String[] args) { FastScanner sc = new FastScanner(System.in); S = sc.next(); Sy...
linear
1025_C. Plasticine zebra
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.Scanner; import java.util.StringTokenizer; public class C { BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = null; private void soluti...
nlogn
135_A. Replacement
CODEFORCES
/** * Created with IntelliJ IDEA. * User: brzezinsky * Date: 12/16/12 * Time: 7:44 PM * To change this template use File | Settings | File Templates. */ import java.io.*; import java.util.*; import java.util.StringTokenizer; public class E extends Thread { public E(String inputFileName, String outputFileNa...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.util.*; public class Main { public static void main(String[] args) { Scanner sc =new Scanner(System.in); long n = sc.nextLong(), k = sc.nextLong(); long ans = 0, sum = 0; while(ans < n) { if(sum - (n-ans) == k) break; ans++; sum += ans; } sc.close(); System.out.println(n-ans); ...
logn
1195_B. Sport Mafia
CODEFORCES
//q4 import java.io.*; import java.util.*; import java.math.*; public class q4 { public static void main(String[] args) { Scanner in = new Scanner(System.in); PrintWriter out=new PrintWriter(new OutputStreamWriter(System.out)); int query = in.nextInt(); while (qu...
quadratic
1196_D2. RGB Substring (hard version)
CODEFORCES
import java.util.*; public class Solution { public void doMain() throws Exception { Scanner sc = new Scanner(System.in); int n = sc.nextInt(), m = sc.nextInt(); boolean[][] adj = new boolean[n][n]; for (int i=0; i<m; i++) { int a = sc.nextInt()-1, b = sc.nextInt()-1; ...
np
11_D. A Simple Task
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.ArrayList; import java.util.HashSet; import java.util.StringTokenizer; import java.io.BufferedReader; i...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.io.BufferedReader; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StreamTokenizer; import java.util.Arrays; public class Main { public static void main(String[] args) throws Exception { int n = n...
nlogn
135_A. Replacement
CODEFORCES
import java.util.Scanner; public class dwl { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String[] lr = sc.nextLine().split(" "); long l = Long.valueOf(lr[0]); long r = Long.valueOf(lr[1]); if (r - l <= 1 || (l == 1 && (r - l) == 2) || (l % 2 != 0 && (r - l) < 3)) ...
constant
483_A. Counterexample
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; public class ProblemA { public static void main(String[] args) throws Exception{ BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); PrintWriter writer = new PrintWriter(System.out); int n = ...
linear
25_A. IQ test
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 javax.sound.sampled.Line; import java.awt.Point; import java.awt.geom.Line2D; import java.awt.geom.Point2D; import java.io.*; import java.math.BigInteger; import static java.math.BigInteger.*; import java.util.*; public class A{ void solve()throws Exception { int n=nextInt(); int[]a=new int...
nlogn
135_A. Replacement
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.InputMismatchException; import java.util.*; public class ed817Q3 { public static void main(String[] args){ InputReader in = new InputReader(System.in); PrintWriter out = new PrintWriter(System.out); int t = 1; ...
logn
817_C. Really Big Numbers
CODEFORCES
/** * Created by Aminul on 3/14/2019. */ import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; import static java.lang.Math.max; public class E_2 { public static void main(String[] args) throws Exception { F...
linear
1082_E. Increasing Frequency
CODEFORCES
import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.io.PrintWriter; import java.util.*; public class CodeForces { class Pair<K, V> { K first; V second; public Pair(K k, V v) { first = k; second = v; } } pr...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import javax.print.attribute.standard.PrinterMessageFromOperator; import java.io.*; import java.math.BigDecimal; import java.math.BigInteger; import java.util.*; public class Main { public static void main(String[] args) throws Exception { new Main().run();} // int[] h,ne,to,wt; // int ct = 0; // ...
quadratic
1141_F2. Same Sum Blocks (Hard)
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
909_C. Python Indentation
CODEFORCES
public class pregunta1 { public static void main(String[] args) { System.out.println("25"); } }
constant
630_A. Again Twenty Five!
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.Reader; import java.io.IOException; import java.util.StringTokenizer; /* * @author Tnascimento */ public class MaeDosDragoes { public static PrintWriter saida = new PrintWriter(System.out, false); public st...
np
839_E. Mother of Dragons
CODEFORCES
import java.io.*; import java.util.*; public class taskA { void solve() throws IOException { long a = nextLong(); long b = nextLong(); long ans = 0; while (a != 0 && b != 0) { if (a > b) { ans += a / b; a %= b; } else { long c = b % a; ans += b / a; b = a; a = c; } } ou...
constant
343_A. Rational Resistance
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.HashSet; import java.util.PriorityQueue; public class a { publi...
constant
483_A. Counterexample
CODEFORCES
import java.lang.*; import java.io.*; import java.util.*; import java.math.*; public class Solution implements Runnable{ private static BufferedReader br = null; private static PrintWriter out = null; private static StringTokenizer stk = null; public static void main(String[] args) { br = ...
linear
17_A. Noldbach problem
CODEFORCES
import java.io.BufferedWriter; import java.io.IOException; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.Arrays; public class Test { static PrintWriter writer = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out))); int[][] a = new int[12][2000]; int[][] ...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.*; import java.util.*; import java.math.*; import java.lang.*; import java.util.PriorityQueue; import static java.lang.Math.*; public class solution implements Runnable { static class InputReader { private In...
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.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */ public class Main { public static...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class round569d2b { public static void main(String args[]) { FastScanner in = new FastScanner(System.in); int n = in.nextInt(); int[] arr = new int[n]; for (int i = 0; i < n; i++) { arr[i] = in.nextInt(); } if (n % 2 == 0) { for (i...
linear
1180_B. Nick and Array
CODEFORCES
// upsolve with rainboy import java.io.*; import java.util.*; public class CF1187G extends PrintWriter { CF1187G() { super(System.out); } 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; try {...
cubic
1187_G. Gang Up
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 Main { public void solve() throws IOException { int n = nextInt(); output.println(n / 2 * 3); } public void run() throws IOException { input = new BufferedReader(new InputStreamReader(System.in)); output = new PrintWriter(...
constant
84_A. Toy Army
CODEFORCES
import java.util.*; public class B138 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int a[] = new int[100004]; int b[] = new int[100004]; int n, m, ans = 0, dau, cuoi=-1; n = sc.nextInt(); m = sc.nextInt(); for(int i=0;i<1000...
linear
224_B. Array
CODEFORCES
import java.io.*; import java.util.*; public class TaskA { public static void main(String[] args) { new TaskA(System.in, System.out); } static class Solver implements Runnable { int n, d; long[] arr; // BufferedReader in; InputReader in; PrintWriter out; void solve() throws IOException { n = i...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.io.*; import java.util.*; public class Main { void solve(Scanner in, PrintWriter out) { long a = in.nextLong(); out.println(25); } void run() { Locale.setDefault(Locale.US); try ( Scanner in = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); ) { solve(in, out...
constant
630_A. Again Twenty Five!
CODEFORCES
import java.util.Scanner; public class B{ public static void main(String args[]){ Scanner input = new Scanner(System.in); long n = input.nextLong(); long k = input.nextLong(); System.out.println(solve(n, k)); input.close(); } public static long solve(long n, lon...
logn
287_B. Pipeline
CODEFORCES
import java.util.*; import java.io.*; public class A{ public static void main(String args[]){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int ans = 0; for(int i = 1; i <= n; i++){ ans += ((i*2) <= n) ? i : n-i+1; ...
linear
909_B. Segments
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner s = new Scanner(System.in); int n = s.nextInt(); int[] arr = new int[n]; for(int i = 0; i < n; i++) { arr[i] = s.nextInt(); } int parity = 0; for(int i = 0; i < n; i++) { int count = 0; for(int j = ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class A { @SuppressWarnings("unchecked") private static void solve() throws IOException { ArrayList<Num> c = new ArrayList<Num>(); n = nextInt(); a = nextInt(); b = nextInt(); for(int i = 0; i < n; i++) { int next = nextInt(); boolean f...
nlogn
169_A. Chores
CODEFORCES
// Problem : G1. Playlist for Polycarp (easy version) // Contest : Codeforces - Codeforces Round #568 (Div. 2) // URL : https://codeforces.com/contest/1185/problem/G1 // Memory Limit : 256 MB // Time Limit : 5000 ms // Powered by CP Editor (https://github.com/cpeditor/cpeditor) import java.io.*; import java.util.*; i...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.util.HashSet; import java.util.Scanner; import java.util.Set; public class A { public static void main(String[] args) throws Exception{ String str = new Scanner(System.in).next(); Set<String> set = new HashSet<String>(); String max = ""; for(int l = 1; l < str.length(); ++l){ for(int i = 0; i <...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.*; import java.util.*; public class Main { static int inf = (int) 1e9 + 7; public static void main(String[] args) throws IOException { br = new BufferedReader(new InputStreamReader(System.in)); pw = new PrintWriter(System.out); int n = nextInt(); int a[] = new i...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.*; import java.io.*; public class Main { public static void main(String[] args) { InputReader in = new InputReader(System.in); OutputWriter out = new OutputWriter(System.out); int n = in.nextInt(); int d = in.nextInt(); int[]a = new int[n]; ...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.io.*; import java.util.*; import java.lang.Math.*; public class A111 { public static void main(String args[])throws Exception { Scanner in=new Scanner(System.in); // br=new BufferedReader(new InputStreamReader(System.in)); PrintWriter pw=new PrintWriter(System.out); ...
nlogn
160_A. Twins
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; import java.lang.*; import static java.lang.Math.*; public class Main implements Runnable { public static void main(String[] args) { new Thread(null, new Main(), "Check2", 1 << 28).start();// to increse stack size in java } static l...
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.Scanner; public class Main { public static long power(long a, long b, long c){ if(b == 0){ return 1; } a %= c; if(b % 2 == 0){ return power((a % c * a % c) % c, b / 2, c); }else{ return (a % c * power((a % c * a % c) % c, b / 2, c) % c) % c; } } public static void main(Stri...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StreamTokenizer; import java.util.HashMap; import java.util.Map; import java.util.Vector; import java.util.logging.Level; import java.util.logging.Logger; /** * * @author Tibor *...
linear
224_B. Array
CODEFORCES
import java.io.*; import java.util.StringTokenizer; public class TaskB { void run() { FastReader in = new FastReader(System.in); // FastReader in = new FastReader(new FileInputStream("input.txt")); PrintWriter out = new PrintWriter(System.out); // PrintWriter out = new PrintWriter(ne...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Scanner; public class B { /** * @param args * @throws IOException * @throws NumberFormatException */ public static void main(String[] args) throws NumberFormatException, IOException { Scanner s...
logn
287_B. Pipeline
CODEFORCES
import java.util.*; public class paintTheNumbers { public static void main (String [] args){ Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); int [] arr = new int[n]; for(int i = 0; i < n; i++){ arr[i] = scanner.nextInt(); } System.out....
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.PrintWriter; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.Scanner; public class F11141 { static class Solver { ArrayList<int[]> ranges[]; HashMap<Long, Integer> hm = new HashMap<>(); int id(long s) { if (!hm.cont...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class D911{ void solve() { int n = ni(); int[] a = ia(n); int Q = ni(); String[] ans = {"even", "odd"}; int cur = merge(a, 0, n - 1) % 2; while(Q--...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.util.*; import java.io.*; public class GG { public static void main(String[] args) { FastScanner scanner = new FastScanner(); PrintWriter out = new PrintWriter(System.out); int N = scanner.nextInt(); int M = scanner.nextInt(); int K = scanner.nextInt(); i...
cubic
1187_G. Gang Up
CODEFORCES
import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.io.Writer; import java.util.Arrays; import java.util.InputMismatchException; import java.util.*; import java.io.*; import java.ma...
quadratic
1209_A. Paint the Numbers
CODEFORCES
/** * Created at 22:05 on 2019-09-14 */ import java.io.*; import java.util.*; public class Main { static FastScanner sc = new FastScanner(); static Output out = new Output(System.out); static final int[] dx = {0, 1, 0, -1}; static final int[] dy = {-1, 0, 1, 0}; static final long MOD = (long) (1e9 + 7)...
quadratic
1209_A. Paint the Numbers
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
import java.util.ArrayList; import java.util.List; import java.util.InputMismatchException; import java.math.BigInteger; import java.util.Iterator; import java.io.*; import java.util.Comparator; import java.util.Arrays; import java.util.Collection; /** * Generated by Contest helper plug-in * Actual solution is at th...
np
111_C. Petya and Spiders
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class Solution { BufferedReader in; PrintWriter out; StringTokenizer st; void solve() throws IOException { int n = ni(); int[] v = new int[n]; for (int i = 0; i < n; ++i) v[i] = ni(); ...
nlogn
22_A. Second Order Statistics
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 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.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.InputStreamReader; import java.util.Scanner; public class Hexadecimal { public static void main(String [] args){ Scanner s = new Scanner(new InputStreamReader(System.in)); int x = s.nextInt(); System.out.println(x + " " + 0 + " " + 0); } }
constant
199_A. Hexadecimal's theorem
CODEFORCES
import java.io.*; import java.nio.CharBuffer; import java.util.NoSuchElementException; public class P1195B { public static void main(String[] args) { SimpleScanner scanner = new SimpleScanner(System.in); PrintWriter writer = new PrintWriter(System.out); int n = scanner.nextInt(); ...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.*; import java.util.*; public class Problem911D { public static void main(String args[]) throws IOException { Scanner sc = new Scanner(System.in); int n = sc.nextInt(), i, j; int ar[] = new int[n]; int inv = 0; ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class D { private void solve() { br = new BufferedReader(new InputStreamReader(System.in)); out = new PrintWriter(System.out); int n = nextInt(), m = nextI...
quadratic
1179_B. Tolik and His Uncle
CODEFORCES
import java.util.*; import java.io.*; public class C { static FastIO f; public static void main(String args[]) throws IOException { f = new FastIO(); int t, n, a, i; Node r, p, c; t = f.ni(); while(t-->0) { n = f.ni(); r = p = new Node(-1, null); // f.out("1\n"); for(i = 0; i < n; ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.Scanner; //import java.util.Scanner; public class SingleWildcard { public static void main(String[] args) { // TODO Auto-generated method stub Scanner input =new Scanner(System.in); int a = input.nextInt(); int b = input.nextInt(); char[] s1 =new char[a]; s1 = input.next().toCharArr...
linear
1023_A. Single Wildcard Pattern Matching
CODEFORCES
import java.util.*; public class Main { public static class Pair implements Comparable<Pair> { int k, x; public Pair(int k) { this.k = k; } public void update(int x) { this.x = Math.max(this.x, x); } public int compareTo(Pair other) { ...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.io.*; import java.util.*; public class A { public A () throws IOException { int N = sc.nextInt(); int [] A = new int [N]; for (int n = 0; n < N; ++n) A[n] = sc.nextInt(); solve(N, A); } public void solve (int N, int [] A) { //start(); Arrays.sort(A); int S1 = 0; for (int n = 0; n <...
nlogn
160_A. Twins
CODEFORCES
import java.util.*; public class c8 { static int n; static int[] ds; static int[][] g; public static void main(String[] args) { Scanner input = new Scanner(System.in); int x = input.nextInt(), y = input.nextInt(); n = input.nextInt(); int[] xs = new int[n], ys = new int[n]; for(int i = 0...
np
8_C. Looking for Order
CODEFORCES
import java.util.Scanner; public class Solution { public static void main(String args[]) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); int[] arr = new int[n]; for (int i = 0; i < n; ++i) { arr[i] = scanner.nextInt(); } boolean isOdd = false; if ((arr[0]...
linear
25_A. IQ test
CODEFORCES
import com.sun.org.apache.xerces.internal.util.SynchronizedSymbolTable; import jdk.management.cmm.SystemResourcePressureMXBean; import java.awt.*; import java.io.*; import java.lang.reflect.Array; import java.text.DecimalFormat; import java.util.*; import java.util.List; import java.math.*; public class Newbie { ...
quadratic
995_B. Suit and Tie
CODEFORCES
import java.util.*; import java.math.*; import java.io.*; public class Main { public static void main(String args[]) throws IOException { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); //System.out.println(f(1,100,30)); String S[]=br.readLine().split(" "); int N=Integer.parseInt(S[...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.util.Random; import java.util.Arrays; import java.util.StringTokenizer; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.BufferedReader; import java.io.Pr...
nlogn
15_A. Cottage Village
CODEFORCES
//package round81; import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; public class B { Scanner in; PrintWriter out; String INPUT = ""; void solve() { int n = ni(); int k = ni(); int a = ni(); int[] lv = new int[n]; int[] lo = new int[n]; for(int i = 0;i < n;i++){ lv[i]...
np
105_B. Dark Assembly
CODEFORCES
/** * Created by IntelliJ IDEA. * User: Taras_Brzezinsky * Date: 8/13/11 * Time: 6:10 PM * To change this template use File | Settings | File Templates. */ import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; import java.io.IOException; public class Da...
np
105_B. Dark Assembly
CODEFORCES
import java.util.*; import java.io.*; public class Main { public static void main(String args[]) {new Main().run();} FastReader in = new FastReader(); PrintWriter out = new PrintWriter(System.out); void run(){ out.println(work()); out.flush(); } long mod=1000000007; long gcd(long a,long b) { return b==...
np
1238_E. Keyboard Purchase
CODEFORCES
import java.io.*; import java.math.BigInteger; import static java.math.BigInteger.*; import java.util.*; public class Solution{ void solve()throws Exception { int n=nextInt(); int[]a=new int[n]; for(int i=0;i<n;i++) a[i]=nextInt(); int[]b=a.clone(); Arr...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.io.*; import java.util.*; public class Lcm { public static void main(String args[])throws Exception { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); long n=Long.parseLong(br.readLine()); if(n<=2) System.out.println(n); else { if(n%6==0) { System.out.println(((n-1)*(n-2)*(n-3)))...
constant
235_A. LCM Challenge
CODEFORCES
import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class B { public static void main(String[] args){ FastScanner sc = new FastScanner(); long n = sc.nextLong(); i...
logn
287_B. Pipeline
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; public class Main { public static class pair implements Comparable<pair> { int a; int b; public pair(int pa, int pb) { a = pa; b= pb; } @Override public int compareTo(pair o) { if(this.a < o.a) return -1; if(this.a > o.a) ret...
constant
483_A. Counterexample
CODEFORCES
import java.util.*; public class Solution{ public static void main(String[] args){ Scanner in = new Scanner(System.in); int pairs = in.nextInt(); while (pairs > 0){ in.nextLine(); int a = in.nextInt(); int b = in.nextInt(); int count = 0; ...
constant
267_A. Subtractions
CODEFORCES