src
stringlengths
95
64.6k
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stringclasses
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stringclasses
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import java.util.Scanner; public class Main { final static long Mod = 1000000009; static long n, m, k, t, l, u, ans; static Scanner cin = new Scanner(System.in); static long multi_mod(long base, long cur) { long res = 1; while(cur > 0) { if(cur % 2 == 1) res = (re...
logn
338_A. Quiz
CODEFORCES
import java.io.*; import java.util.*; public class C { static long mod=(long)(1e9+7); public static long powMod(long e,long b) { /*e=e%mod;*/ long res=1; while(e>0) { if(e%2==1) res=res*b%mod; e/=2; b=b*b%mod; } return res; } public static void main(String[] args) throws IOException...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class Main { public static int gcd(int a , int b) { if (b == 0) return 0; else { return a / b + gcd (b , a % b); } } public static void main(String[] args) { Scanner sc = new Scanner (System.in); int testCase = sc.nextInt(); while (te...
constant
267_A. Subtractions
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Solve4 { public static void main(String[] args) throws IOException { FastReader sc = new FastReader(); int x= sc.nextInt(); int y= sc.nextInt(); int z...
constant
1054_A. Elevator or Stairs?
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.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author be...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.math.BigDecimal; import java.math.RoundingMode; import java.util.Scanner; public class A1 { public static void main(String[] args) { Scanner scan = new Scanner(System.in); long size = scan.nextLong(); int numberOfSpecial = scan.nextInt(); long pageSize = scan.nextLong...
linear
1190_A. Tokitsukaze and Discard Items
CODEFORCES
import java.util.*; import java.io.*; import java.lang.*; import java.math.*; public class B { public static void main(String[] args) throws Exception { BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); PrintWriter out = new PrintWriter(new Out...
linear
1190_B. Tokitsukaze, CSL and Stone Game
CODEFORCES
import java.io.InputStreamReader; import java.io.IOException; import java.util.InputMismatchException; import java.io.PrintStream; 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...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class CoveredPointsCount { //UPSOLVE public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStre...
nlogn
1000_C. Covered Points Count
CODEFORCES
import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; public class e { public static class FastReader { BufferedReader br; StringTokenizer st; //it reads the data about the specified point and divide the data about it...
constant
1100_C. NN and the Optical Illusion
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.*; import java.util.*; /* * Raudel Ravelo Suarez * Problem: */ public class C { Scanner sc; BufferedReader in; PrintStream out; StringTokenizer tok; public C() throws NumberFormatException, IOException { //sc = new Scanner(System.in); //sc = new Scanner(new FileReader("in.txt")); in ...
nlogn
135_A. Replacement
CODEFORCES
import java.util.Scanner; public class D { public static void main(String [] args){ Scanner in = new Scanner(System.in); long a = in.nextLong(); long b = in.nextLong(); String sa = Long.toBinaryString(a); String sb = Long.toBinaryString(b); long ans = 0; if(sb.length()-sa.length()>0){ for(int i = 0 ...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; import java.util.NoSuchElementException; public class Main { static PrintWriter out; static InputReader ir; static void solve() { int n = ir.nextInt(); int[] a ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class C { static final int M = 1000000007; public static void main(String[] args) throws IOException{ BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); ...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.util.*; import java.io.*; import java.math.BigInteger; public class C { static int mod = (int) (1e9+7); static InputReader in; static PrintWriter out; public static void main(String[] args) { in = new InputReader(System.in); out = new PrintWriter(System.out); ...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.lang.reflect.Array; import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); int[] colors = new int[n]; for (int i = 0; i < n; i++) { ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; public class Main { private static void solve(InputReader in, OutputWriter out) { int n = in.nextInt(); List<List<Integer>> g = new ArrayList<>(n + 1); for (int i = 0; i < n + 1; i++) { g.add(new LinkedList<>()); } int deg...
linear
981_C. Useful Decomposition
CODEFORCES
/** * DA-IICT * Author : Savaliya Sagar */ import java.io.*; import java.math.*; import java.util.*; public class C817 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { long n = nl(); long s = nl(); long l = 1; long r = n; long ans = 0; while(l<=r){ long mid = (l+r)/2; long...
logn
817_C. Really Big Numbers
CODEFORCES
import java.util.*;import java.io.*;import java.math.*; public class Main { public static void process()throws IOException { int n=ni(); int[]A=new int[n]; int point = -1; for(int _i=0;_i<n;_i++){ int x =ni(); if(x==1){ point++; ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; /** * @author Don Li */ public class SequenceTransformation { void solve() { int p = 1, n = in.nextInt(); while (n > 0) { if (n ==...
linear
1059_C. Sequence Transformation
CODEFORCES
import java.io.*; import java.util.ArrayList; import java.util.Arrays; import java.util.StringTokenizer; public class D { public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); PrintWriter pw = new PrintWriter(System.out); // System.err.println(f(1...
logn
1080_D. Olya and magical square
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.*; import java.util.*; import java.util.LinkedList; import java.math.*; import java.lang.*; import java.util.PriorityQueue; import static java.lang.Math.*; @SuppressWarnings("unchecked") public class Solution implements R...
logn
1080_D. Olya and magical square
CODEFORCES
import java.util.LinkedList; import java.io.FileInputStream; import java.io.InputStream; import java.io.InputStreamReader; import java.io.BufferedReader; import java.util.Collection; import java.io.OutputStream; import java.io.PrintWriter; import java.util.Queue; import java.io.IOException; import java.io.FileOutputStr...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.util.*; public class Main { public static void main (String[] args) throws IOException { BufferedReader reader = new BufferedReader (new InputStreamReader (System.in)); String[] splitted = reader.readLine().split(" "); int n = Integer.parseInt(splitted[0]); int m = Integer.parseI...
nlogn
257_A. Sockets
CODEFORCES
import java.io.*; import java.util.*; import java.util.prefs.NodeChangeEvent; import java.math.*; public class Main implements Runnable { private BufferedReader in; private PrintWriter out; private StringTokenizer st; private Random rnd; private void solve() throws IOException { int n = nextInt(); int[] ...
nlogn
135_A. Replacement
CODEFORCES
import java.io.*; import java.util.*; public class Solution { private BufferedReader in; private PrintWriter out; private StringTokenizer st; void solve() throws IOException { String s = next(); HashSet<String> set = new HashSet<String>(); int ans = 0; for (int i = 0; i < s.length(); ++i) { for (int ...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.*; import java.awt.Polygon; import java.io.BufferedWriter; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.FileWriter; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.math.*; import java.util.Collection; public cl...
np
8_C. Looking for Order
CODEFORCES
import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; public class TaskA { /** * @param args */ public static void main(String[] args) { Scanner in = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); new TaskA().solve(in, out); in.close(); out.close(); }...
nlogn
257_A. Sockets
CODEFORCES
import java.util.*; import java.io.*; public class MotherOfDragons { public static void main(String[] args) { FastScanner scanner = new FastScanner(); PrintWriter out = new PrintWriter(System.out, false); int n = scanner.nextInt(); double k = scanner.nextInt(); long[] graph ...
np
839_E. Mother of Dragons
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; public class JavaApplication2 { public static void main(String[] args) throws IOException { BufferedReader sc= new BufferedReader(new InputStreamReader(System.in)); ...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java .util.*; import java .io.*; public class Main{ public static void main(String[]YAHIA_MOSTAFA){ Scanner sc =new Scanner(System.in); long n=sc.nextLong(),x=sc.nextLong(),y=sc.nextLong(); long xb,xw,yb,yw; xw=x-1;yw=y-1;xb=n-x;yb=n-y; if (x==n&&y==n){ System.out.println("Black");return; } lon...
constant
1075_A. The King's Race
CODEFORCES
import java.io.*; import java.util.*; public class B2 { String s = null; String[] ss = null; int[][] sn = null; int n = 0; double ans = 1; int A = 0; public void run() throws Exception{ BufferedReader br = null; File file = new File("input.txt"); if(file.exists()){ br = new BufferedReader(new F...
np
105_B. Dark Assembly
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.util.Arrays; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.math.BigDecimal; import java.util.StringTokenize...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.List; import java.util.StringTokenizer; public class A { void solve(){ long k = readLong(); long x = 9; long y = 1; while(k > x * y){ k...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.io.BufferedWriter; import java.io.Writer; import java.io.OutputStreamWriter; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at ...
constant
630_A. Again Twenty Five!
CODEFORCES
//package round113; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.Comparator; public class A { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(), k = ni(); int[]...
nlogn
166_A. Rank List
CODEFORCES
import java.util.Scanner; public class CF275Ad2 { public static void main(String[] args) throws Exception { Scanner scan = new Scanner(System.in); long l = scan.nextLong(); long r = scan.nextLong(); long diff = r-l; boolean exists = false; if(diff >= 3){ if(l%2 == 1){ l++; } exist...
constant
483_A. Counterexample
CODEFORCES
import java.util.*; import java.lang.*; import java.io.*; public class Main { static long MOD=1000000007; public static long pow(long x,long k){ long base=x%MOD; long res=1; while(k>0){ if((k&1)==1){ res=(res*base)%MOD; } base=(base*base)%MOD; k>>=1; } return res; } public static void m...
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.io.FilterInputStream; import java.io.BufferedInputStream; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author khokharnikunj8 */ public ...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.BufferedReader; import java.io.Closeable; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class EhabAndAnotherAnotherXorProblem implements Closeable { private InputReader in = new InputRead...
logn
1088_D. Ehab and another another xor problem
CODEFORCES
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.util.StringTokenizer; public class CF1195B { private static BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); private static BufferedWriter...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class CoveredPointsCount { //UPSOLVE public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStre...
nlogn
1000_C. Covered Points Count
CODEFORCES
import java.io.*; import java.lang.reflect.*; public class D { final int MOD = (int)1e9 + 7; final double eps = 1e-12; final int INF = (int)1e9; public D () { long L = sc.nextLong(); long R = sc.nextLong(); for (int i = 60; i >= 0; --i) { long b = (1L << i); long A = (L & b), B = (R & b); if (...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; public class e { public static class FastReader { BufferedReader br; StringTokenizer st; //it reads the data about the specified point and divide the data about it...
constant
1100_C. NN and the Optical Illusion
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.HashMap; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author a...
linear
1004_A. Sonya and Hotels
CODEFORCES
import javafx.util.Pair; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.HashMap; public class ElongatedMatrix { private static int n; /** * if the rows are arranged in some permutation [p_1, p_2,...i,j,...p_n], *...
np
1102_F. Elongated Matrix
CODEFORCES
import java.util.*; import java.io.*; public class Main { static final int MAXN = 24; int[] x = new int[MAXN]; int[] y = new int[MAXN]; int[][] dist = new int[MAXN][MAXN]; int[] single = new int[MAXN]; int sqr(int x) { return x * x; } void run(int nT) { int xs = cin.n...
np
8_C. Looking for Order
CODEFORCES
//package timus; import java.io.BufferedReader; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.io.Reader; import java.io.StreamTokenizer; import java.io.Writer; import java.ma...
cubic
23_A. You're Given a String...
CODEFORCES
//package contese_476; import java.util.*; public class q1 { int m=(int)1e9+7; public class Node { int a; int b; public void Node(int a,int b) { this.a=a; this.b=b; } } public int mul(int a ,int b) { a=a%m; b=b%m; return((a*b)%m); } public int pow(int a,int b) { int x=1; while(b>0) { if(b%2!=0) x=mul...
linear
1013_B. And
CODEFORCES
import java.util.Scanner; public class A235 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc = new Scanner(System.in); long n = sc.nextInt(); if (n == 1) { System.out.println(1); return; } else if (n == 2) { ...
constant
235_A. LCM Challenge
CODEFORCES
/* * To change this template, choose Tools | Templates * and open the template in the editor. */ /** * * @author Gaurav */import java.io.*; public class a23 { public static void main(String arg[])throws IOException { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); ...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.Queue; import java.util.concurrent.ArrayBlockingQueue; public class ProblemE { static final int INF = 1000000; public static void main(String[] ...
np
16_E. Fish
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.util.Arrays; import java.io.BufferedWriter; import java.util.InputMismatchException; import java.io.IOException; import java.util.ArrayList; import java.io.Writer; im...
np
8_C. Looking for Order
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; public class IQTest { public static void main(String args[]) throws Exception { BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in)); String line; line = stdin.readLine...
linear
25_A. IQ test
CODEFORCES
import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.HashMap; import java.util.StringTokenizer; public class P { public static void main(String[] args) throws NumberFo...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.io.*; import java.math.*; import java.security.*; import java.text.*; import java.util.*; import java.util.concurrent.*; import java.util.function.*; import java.util.regex.*; import java.util.stream.*; import static java.util.stream.Collectors.joining; import static java.util.stream.Collectors.toList; pu...
cubic
1515_E. Phoenix and Computers
CODEFORCES
//stan hu tao //join nct ridin by first year culture reps import static java.lang.Math.max; import static java.lang.Math.min; import static java.lang.Math.abs; import static java.lang.System.out; import java.util.*; import java.io.*; import java.math.*; public class x1497E { static final int MAX = 10000000; pu...
cubic
1497E2
CODEFORCES
import java.util.Scanner; import java.io.OutputStream; import java.io.IOException; import java.util.Arrays; import java.io.PrintWriter; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */ public class Main { public static void main(String[] args) { InputStream inputSt...
nlogn
257_A. Sockets
CODEFORCES
//package round455; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class C { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(); int...
quadratic
909_C. Python Indentation
CODEFORCES
import java.util.*; import java.io.*; public class E { void solve(BufferedReader in) throws Exception { int[] xx = toInts(in.readLine()); int n = xx[0]; double k = xx[1]; int[][] board = new int[n][n]; for(int i = 0; i<n; i++) board[i] = toInts(in.readLine()); int fst...
np
839_E. Mother of Dragons
CODEFORCES
// @author Sanzhar import java.io.*; import java.util.*; import java.awt.Point; public class Template { BufferedReader in; PrintWriter out; StringTokenizer st; String next() { while (st == null || !st.hasMoreTokens()) { try { st = new StringTokenizer(in.readLine()...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.io.*; import java.util.*; public class Codechef{ public static void main(String []args){ Scanner in = new Scanner(System.in); long n=in.nextLong(); long m=in.nextLong(); long k=in.nextLong(); long l=in.nextLong(); long j=((k+l)/m); if((k+l)%m!=0)j++; if((k+l>n) || j*m>n) { ...
constant
1068_A. Birthday
CODEFORCES
import java.util.*; public class A { static Scanner sc = new Scanner(System.in); public static void main(String[] args) { String s = sc.next(); for (int l = s.length(); l > 0; --l) { HashSet<String> set = new HashSet<String>(); for (int i = 0; i < s.length() - l + 1; +...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.*; import java.io.*; public class Main implements Runnable { private void solution() throws IOException { int n = in.nextInt(); int m = in.nextInt(); boolean[][] adj = new boolean[n][n]; long res = 0; for (int i = 0; i < m; ++i) { int x = in.nextInt(); int y = in.nextInt(); adj[x -...
np
11_D. A Simple Task
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.PrintWriter; import java.util.InputMismatchException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * @author George Marcus */ public class Main { public static void main(String[] args) { Inpu...
logn
287_B. Pipeline
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.Arrays; import java.util.StringTokenizer; public class A { static StringTokenizer st; static Buffered...
nlogn
257_A. Sockets
CODEFORCES
import java.io.*; import java.util.*; public class LCMChallenge { public static void main(String[] args) throws IOException { BufferedReader f = new BufferedReader(new InputStreamReader(System.in)); long n = Long.parseLong(f.readLine()); if (n == 1 || n == 2) System.out.println(...
constant
235_A. LCM Challenge
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; import java.lang.*; public class Main { static Input in; static Output out; public static void main(String[] args) throws IOException { in = new Input(System.in); out = new Output(System.out); run(); out.close();...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
//package round15; import java.io.BufferedOutputStream; import java.io.PrintStream; import java.io.PrintWriter; import java.io.StringReader; import java.util.Arrays; import java.util.Scanner; public class A { private Scanner in; private PrintWriter out; public void solve() { int n = ni(); int t = ni(); P...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; public class C8 { static int[] mem; static int[] bag; static int[][] items; static int[] close; static Pri...
np
8_C. Looking for Order
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class A_122 { public static void main(String[] args) throws NumberFormatException, IOException { BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(bf.readLine()); Sy...
constant
122_A. Lucky Division
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.io.File; import java.io.FileNotFoundException; import java.util.StringTokenizer; import java.io.BufferedRead...
quadratic
909_C. Python Indentation
CODEFORCES
import java.util.*; import java.io.*; public class PythonIndentation { public static void main(String[] args) throws IOException { BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); int N = Integer.parseInt(in.readLine()); int[][] dp = new int[N][N]; dp[0][0] = 1; for(int i = 1; i < N...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.*; import java.lang.reflect.Array; import java.math.BigInteger; import java.util.*; public class q5 { static NoD[] arr; static int index,count,zc; static ArrayList<NoD> pos,neg; static long[][][][] dp; static long solve(int a,int b, int c,int d, long mod) { long[][][][] a2=dp; int p=-1; if...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.util.*; import static java.lang.Math.*; public class Main { static int hx, hy; static int[] X, Y; static int N; static int[] DP; static int pw(int a) { return a * a; } public static void main(String[] args) { Scanner sc = new Scanner(System.in); hx = sc.nextInt(); hy = sc.nextInt(); ...
np
8_C. Looking for Order
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.FilterInputStream; import java.io.BufferedInputStream; import java.io.InputStream; /** * @author khokharnikunj8 */ public class Main { public static void main(String[] args) { n...
linear
1004_A. Sonya and Hotels
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.util.ArrayList; import java.util.Collections; import java.util.Scanner; public class CF22_1 { public static void main(String[] args) { Scanner sc=new Scanner(System.in); int num=sc.nextInt(); if(num!=1) { ArrayList<Integer>data=new ArrayList<Integer>(); for (in...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; public class E implements Runnable { public static void main (String[] args) {new Thread(null, new E(), "_cf", 1 << 28).start();} int n, m; char[] str; int[][] occs, cost; int[] dp; public void run() { FastScanner fs = new FastScanner(); P...
np
1238_E. Keyboard Purchase
CODEFORCES
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.io.StreamTokenizer; import java.util.HashMap; public class B { /...
linear
1_B. Spreadsheets
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class A { static class Sort implements Comparable<Sort> { int x,a; public int compareTo(Sort o) { if (this.x==o.x) return this.a-o.a; return this.x-o.x; } } public static void main(St...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.*; import java.util.StringTokenizer; public class Main { public static void main(String[] args) { FastScanner sc = new FastScanner(System.in); PrintWriter out = new PrintWriter(System.out); int N = sc.nextInt(); long dest = sc.nextLong(); long max = (long)...
nlogn
1098_C. Construct a tree
CODEFORCES
import java.io.IOException; import java.io.OutputStreamWriter; import java.util.Arrays; import java.io.BufferedWriter; import java.util.InputMismatchException; import java.io.PrintStream; import java.io.OutputStream; import java.io.PrintWriter; import java.io.Writer; import java.math.BigInteger; import java.io.InputStr...
nlogn
257_A. Sockets
CODEFORCES
import java.util.*; import java.io.*; public class _1000_A { public static void main(String[] args) throws IOException { HashMap<String, Integer> map1 = new HashMap<>(), map2 = new HashMap<>(); int N = readInt(); for(int i = 1; i<=N; i++) { String s = read(); if(!map1.containsKey(s)) map1.put(s, 1); else map1...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; import java.io.IOException; import java.util.Comparator; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution i...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.util.Scanner; public class Hello { public static void main(String[] args){ Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int m = scan.nextInt(); boolean[][] graph = new boolean[n][n]; for(int i = 0; i < m; i++) { int from = scan.nextInt() - 1; int to = scan....
np
11_D. A Simple Task
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)); String x[]=br.readLine().split(" "); long l=Long.parseLong(x[0]); long r=Long.parseLong(x[1]); if(l%2!=0) { l++; ...
constant
483_A. Counterexample
CODEFORCES
import java.util.Scanner; public class Problem { public static void main(String[] args) throws Exception { Scanner input = new Scanner(System.in); int side = input.nextInt()-1; int x = input.nextInt()-1; int y = input.nextInt()-1; long target = input.nextLong(); ...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.io.*; import java.util.*; public class B { static int i(String s) { return Integer.parseInt(s); } public static void main(String[] args) throws Exception { BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); String[] arr = in.readLine().split(" "); int n = i(arr[0]); int k = ...
linear
224_B. Array
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.ArrayList; import java.util.Scanner; /** * * @author Ahmed */ public class Watermelon { static class Pas...
linear
608_A. Saitama Destroys Hotel
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class Solution{ public static long mod = 1000000007; public static void main(String[] args)throws IOException{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); PrintWriter out = new PrintWriter(System.out);...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.util.Scanner; public class A { public static boolean realbig (long num, long s) { String str = num + ""; String[] digs = str.split(""); int sum = 0; for(String dig : digs) { sum+= Integer.parseInt(dig); } if(num-sum < s) { return false; } else { return true; } } public sta...
logn
817_C. Really Big Numbers
CODEFORCES
// package cf1209; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.util.Arrays; import java.util.Comparator; import java.util.InputMismatchException; import java.util.Random; public class CFA { privat...
quadratic
1209_A. Paint the Numbers
CODEFORCES
// LM10: The next Ballon d'or import java.util.*; import java.io.*; import java.math.*; import javafx.util.Pair; public class Main { static class FastReader { private InputStream mIs;private byte[] buf = new byte[1024];private int curChar,numChars;public FastReader() { this(System.in); }public FastRead...
linear
1038_D. Slime
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; import java.util.HashMap; public class Main { static class Reader { private InputStream mIs;private byte[] buf = new byte[1024];private int curChar,numChars;public Reader() { this(System.in); }public Reader(InputStream is) { mIs = is;} ...
linear
527_B. Error Correct System
CODEFORCES
import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.util.LinkedList; import java.util.Scanner; public class C { static class Struct { int x, y, count; public Struct(int xx, int yy, int c) { x = xx; y = yy; count = c; ...
cubic
35_C. Fire Again
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
1195_B. Sport Mafia
CODEFORCES
import java.math.BigInteger; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Scanner; public class c { public static void main(String[] args) { Scanner in = new Scanner(System.in); int numbOfStatements = in.nextInt(); long[] dp = new long[n...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import static java.lang.Math.*; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Map.Entry; import java.util.StringTokenizer; import java.util.TreeMap; /** * * @author pttr...
np
111_C. Petya and Spiders
CODEFORCES