src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
import java.util.*; public class Main { static int a[][],n; static boolean isClique[]; static int maxClique[]; static void DFS1(int p,int n,int S) { if(p>n) { isClique[S]=true; return ; } DFS1(p+1,n,S); boolean mark=true; for(int i=1;i<p;++i) if((S>>(i-1)&1)==1&&a[p][i]==0) mark=false; i...
np
839_E. Mother of Dragons
CODEFORCES
import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.Comparator; import java.util.Locale; import java.util.StringTokenizer; import java.util.TreeMap; import java.util.Map.Entry; publ...
np
111_C. Petya and Spiders
CODEFORCES
import java.io.*; import java.util.*; import java.util.Random; import java.util.StringTokenizer; public class Main { long b = 31; String fileName = ""; ////////////////////// SOLUTION SOLUTION SOLUTION ////////////////////////////// int INF = Integer.MAX_VALUE / 10; long MODULO = 1000*...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Arrays; import java.util.StringTokenizer; public class CodeJ { static class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer("...
np
111_C. Petya and Spiders
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.io.BufferedWriter; import java.util.InputMismatchException; import java.io.IOException; import java.util.ArrayList; import java.io.Writer; import java.io.OutputStream...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
//package A; import java.util.Scanner; public class Solution { Scanner in = new Scanner(System.in); void run() throws Exception { int tests = in.nextInt(); while (tests > 0) { --tests; int a = in.nextInt(); int b = in.nextInt(); int res = 0; ...
constant
267_A. Subtractions
CODEFORCES
/*(c) gorlum0 [at] gmail.com*/ import java.io.*; import java.util.*; import java.math.*; public class E { int bitcount(int x) { int c = 0; for ( ; x != 0; c++) x &= x-1; return c; } boolean bit(int x, int i) { if (i < 0) return false; return (x>>i & ...
np
112_E. Petya and Spiders
CODEFORCES
import java.util.*; import java.io.*; public class Main { BufferedReader in; StringTokenizer str = null; private String next() throws Exception{ if (str == null || !str.hasMoreElements()) str = new StringTokenizer(in.readLine()); return str.nextToken(); } private int nextInt() throws Exception{ retu...
logn
276_D. Little Girl and Maximum XOR
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.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; import java.io.Writer; import java.io.OutputStreamW...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.io.*; import java.util.*; public class A implements Runnable { public static void main(String[] args) { new A().run(); } class FastScanner { BufferedReader br; StringTokenizer st; boolean eof; String buf; public FastScanner(String fileName) throws FileNotFoundException { br = new Buffer...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.util.*; import java.lang.*; public class Main { static long m = 1000000007; static long powmod(long x, long y, long p) { // Initialize result long res = 1; // Update x if it is more // than or equal to p x = x % p; while (y > 0) { ...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
/** * Created by IntelliJ IDEA. * User: aircube * Date: 11.01.11 * Time: 4:14 * To change this template use File | Settings | File Templates. */ import java.io.*; import java.math.BigInteger; import java.util.*; import java.util.concurrent.Exchanger; public class Template { BufferedReader br; PrintWrit...
np
16_E. Fish
CODEFORCES
import java.io.*; import java.util.*; public class A { long gcd(long a, long b) { if (b == 0) { return a; } else { return gcd(b, a % b); } } long solve(long a,long b) { if (a == 0 || b ==0) { return 0; } long t = gcd(a,b); a /= t; b /= t; if (a>b) { return solve(a%b,b)+a/b; } else ...
constant
343_A. Rational Resistance
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; public class A { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br.readLine(); String[] ss = br.readLine().split(" "); int n = ss.len...
linear
25_A. IQ test
CODEFORCES
import java.io.*; public class CF8C { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String s = br.readLine(); int si = s.indexOf(' ', 0); int x = Integer.parseInt(s.substring(0, si)); int y = Integer.parseInt(s.substring...
np
8_C. Looking for Order
CODEFORCES
import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws IOException{ Scanner cin = new Scanner(System.in); int t, n, m; t = cin.nextInt(); while(t > 0) { t--; int sum = 0; n = cin.nextInt(); m = cin.nextInt(); while(n > 0 && m > 0) { ...
constant
267_A. Subtractions
CODEFORCES
import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int N = Integer.parseInt(sc.next()); int[] a = new int[N]; int[] flag = new int[N]; int ans = 0; for (int i=0;i<N;i++) { a[i] = Integer.p...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.util.HashMap; import java.util.InputMismatchException; public class E46A { public static void main(String[] args) { FastScanner in = new FastScanner(System.in); String[] sizes = {"XXXS", "XXS", "XS", "S", "M", "L", "XL", "XXL", "XXXL"}; int n ...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.util.*; import java.io.*; public class Main { public static void main(String[] args) throws IOException { FastScanner in = new FastScanner(System.in); PrintWriter out = new PrintWriter(System.out); new Main().run(in, out); out.close(); } public static long mod =...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.util.*; import java.math.*; import java.io.*; public class Main { public static void main(String args[]) throws IOException { BufferedReader c=new BufferedReader(new InputStreamReader(System.in)); String S[]=c.readLine().split(" "); int N=Integer.parseInt(S[0]); int K=Integer.parseInt(S[1]); ...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.io.*; import java.util.*; /* * And now I wonder if I should delete these comments cause they might throw me off. * Lol who cares though? */ public class R364C { public static void main(String[] args) throws NumberFormatException, IOException { Scanner s = new Scanner(System.in); BufferedReader f ...
linear
701_C. They Are Everywhere
CODEFORCES
import java.io.*; import java.util.*; public class Main { HashMap<Integer,Pair> map; int n,a[]; private void solve()throws IOException { n=nextInt(); a=new int[n+1]; for(int i=1;i<=n;i++) a[i]=nextInt(); map=new HashMap<>(); for(int i=1;i<=n;i++) { int sum=0; for(int j=i;j>=1;j--) { sum+...
quadratic
1141_F2. Same Sum Blocks (Hard)
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.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author Pradyumn */ public class M...
quadratic
909_C. Python Indentation
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class Round113_A { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int k = in.nextInt() - 1; Obe[] a = new Obe[n]; for (int i = 0; i < n; i++) a[i] = ne...
nlogn
166_A. Rank List
CODEFORCES
import java.util.Scanner; public class Main { private static boolean check(int n , int m , int k) { for (int i = 0;i < n;i ++) { for (int j = 0;j < n;j ++) { for (int l = 0;l < (1 << n);l ++) { dp[i][j][l] = - 1; } } } for (int i = 0;i < n;i ++) { if (dfs(i , i , n , m , k , 0)) { ...
np
1102_F. Elongated Matrix
CODEFORCES
import java.util.*; import java.io.*; public class Sol{ static class Pair implements Comparable<Pair>{ int x;int y;int value; public Pair(int x,int y,int value) { this.x=x; this.y=y; this.value=value; } @Override public int compareTo(Pair...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner s = new Scanner(System.in); int n = s.nextInt(); int m = s.nextInt(); int k = s.nextInt(); int a[] = new int [n]; for (int 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; 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 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.BufferedReader; import java.io.InputStreamReader; /** * @author Son-Huy TRAN * */ public class P122A_LuckyDivision { private static boolean isLuckyNumber(int number) { while (number > 0) { int digit = number % 10; if (digit != 4 && digit != 7) { return false; } number /= 10; ...
constant
122_A. Lucky Division
CODEFORCES
import java.util.Arrays; import java.util.InputMismatchException; import java.io.*; /** * Generated by Contest helper plug-in * Actual solution is at the bottom */ public class Main { public static void main(String[] args) { InputReader in = new StreamInputReader(System.in); PrintWriter out = ne...
nlogn
257_A. Sockets
CODEFORCES
//package round429; 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 C2 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(); in...
cubic
840_C. On the Bench
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class Main { private static int REM = 1000000007; private static int dig; private static int[][][] dp = new int[701][701][2]; public static void main(String[] args) { Scanner in = new Scanner(System.in); String X = in.next(); ...
quadratic
908_G. New Year and Original Order
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 Ideone { public static void main (String[] args) throws java.lang.Exception { int n,a,b; Scanner obj=new S...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; 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;} public int read() {if (nu...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.io.*; import java.util.*; public class Test{ public static void main(String[] args) { Scanner in= new Scanner(System.in); int n=in.nextInt(); if(n%7==0 || n%4==0 || n%47==0 || n%74==0 || n%447==0 || n%474==0 || n%477==0 || n%747==0 || n%774==0){ System.out.println("Y...
constant
122_A. Lucky Division
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.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.util.*; import java.io.*; public class SameSumBlock { static BufferedReader br; static StringTokenizer tokenizer; public static void main(String[] args) throws Exception { br = new BufferedReader(new InputStreamReader(System.in)); int n = nextInt(); int[] arr = new int[n]; int[] pSum = new int[...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
/** * BaZ :D */ import java.util.*; import java.io.*; import static java.lang.Math.*; public class Main { static Reader scan; static PrintWriter pw; static int n,k,left[],right[],arr[]; static long MOD = 1000000007,count[],dp[]; public static void main(String[] args) { new Thread(null,null...
linear
1037_F. Maximum Reduction
CODEFORCES
import sun.reflect.generics.tree.Tree; import java.io.*; import java.math.BigInteger; import java.net.Inet4Address; import java.util.*; public class l { //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
/* ⠀⠀⠀⠀⣠⣶⡾⠏⠉⠙⠳⢦⡀⠀⠀⠀⢠⠞⠉⠙⠲⡀⠀ ⠀⠀⠀⣴⠿⠏⠀⠀⠀⠀⠀⠀⢳⡀⠀⡏⠀⠀Y⠀⠀⢷ ⠀⠀⢠⣟⣋⡀⢀⣀⣀⡀⠀⣀⡀⣧⠀⢸⠀⠀A⠀⠀ ⡇ ⠀⠀⢸⣯⡭⠁⠸⣛⣟⠆⡴⣻⡲⣿⠀⣸⠀⠀S⠀ ⡇ ⠀⠀⣟⣿⡭⠀⠀⠀⠀⠀⢱⠀⠀⣿⠀⢹⠀⠀H⠀⠀ ⡇ ⠀⠀⠙⢿⣯⠄⠀⠀⠀⢀⡀⠀⠀⡿⠀⠀⡇⠀⠀⠀⠀⡼ ⠀⠀⠀⠀⠹⣶⠆⠀⠀⠀⠀⠀⡴⠃⠀⠀⠘⠤⣄⣠⠞⠀ ⠀⠀⠀⠀⠀⢸⣷⡦⢤⡤⢤⣞⣁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⢀⣤⣴⣿⣏⠁⠀⠀⠸⣏⢯⣷⣖⣦⡀⠀⠀⠀⠀⠀⠀ ⢀⣾⣽⣿⣿⣿⣿⠛⢲⣶⣾⢉⡷⣿⣿⠵⣿⠀⠀⠀⠀⠀⠀ ⣼⣿⠍⠉⣿⡭⠉⠙⢺⣇⣼⡏⠀⠀⠀⣄⢸⠀⠀⠀⠀⠀⠀ ⣿⣿⣧⣀⣿………⣀⣰⣏⣘⣆⣀⠀⠀ */ import java.io.BufferedReader; imp...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.awt.Point; import java.util.ArrayList; import java.util.Collections; import java.util.Scanner; public class ProblemA { static ArrayList<Point2> houses = new ArrayList<Point2>(); public static void main(String[] args) { ProblemA a = new ProblemA(); Scanner in = new Scanner(Sys...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class A { public void realMain() throws Exception { BufferedReader fin = new BufferedReader(new InputStreamReader(System.in), 1000000); String in = fin.readLine(); String[] ar = in.split(" "); int n = Integer.parseInt(ar[0]); int[] a =...
quadratic
1209_A. Paint the Numbers
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...
nlogn
1000_G. Two-Paths
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class A { static final Scanner sc = new Scanner(System.in); void run() { int n = sc.nextInt(); int[] xs = new int[n]; for(int i = 0; i < n; i++) { xs[i] = sc.nextInt(); } Arrays.sort(xs); ...
nlogn
135_A. Replacement
CODEFORCES
import static java.lang.Math.*; public class C { public C () { int N = sc.nextInt(); int R = sc.nextInt(); int [] X = sc.nextInts(); double [] res = new double [N]; for (int i : rep(N)) { res[i] = R; for (int j : rep(i)) { int D = abs(X[i] - X[j]); if (D <= 2*R) { double H = sqrt(4.0*R*R ...
quadratic
908_C. New Year and Curling
CODEFORCES
import static java.lang.Math.*; import java.io.*; import java.math.*; import java.util.*; public class Solution implements Runnable { public static void main(String... strings) throws InterruptedException { new Thread(new Solution()).start(); } BufferedReader in; PrintWriter out; StringTokenizer st; String ...
cubic
35_C. Fire Again
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Arrays; import java.util.HashSet; import java.util.Scanner; public class Main20 { static ArrayList<Integer> primes = new ArrayList<Integer>(); static boolean[] prime = new...
cubic
23_A. You're Given a String...
CODEFORCES
//created by Whiplash99 import java.io.*; import java.util.*; public class D { private static ArrayDeque<Integer>[][] edge; private static long[][] dp[],w1,w2; private static int N,M,K; private static void answer() { StringBuilder sb=new StringBuilder(); for(int i=0;i<N;i++) ...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.*; import java.util.*; public class CF8C { FastScanner in; PrintWriter out; int[] x, y; int[] av; int[][] d = new int[25][25]; int dist(int v, int u) { if (u == v) return 0; return (d[v][u] == 0 ? d[v][u] = d[u][v] = (x[v] - x[u]) * (x[v] - x[u]) + (y[v] - y[u]) * (y[v] - y[u]) : d[v]...
np
8_C. Looking for Order
CODEFORCES
import java.util.Scanner; /* * To change this template, choose Tools | Templates * and open the template in the editor. */ /** * * @author madis */ public class Spreadsheet { public static void main(String[] args) { Scanner in = new Scanner(System.in); int N = in.nextInt(); in.nextL...
linear
1_B. Spreadsheets
CODEFORCES
/* * To change this template, choose Tools | Templates * and open the template in the editor. */ import java.io.*; import java.util.*; /** * * @author N-AssassiN */ public class Main { private static BufferedReader reader; private static BufferedWriter out; private static StringTokenizer tokenizer;...
constant
313_A. Ilya and Bank Account
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); if (n % 2 == 0) { System.out.println((n - 4) + " " + (n - (n - 4))); } else { System.out.println((n - 9) + " " +...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.HashSet; import java.util.List; import java.util.StringTokenizer; public class D { int[][] fast(int n, int m){ int[][] ans = new int[2][n * m]; int c = 0; for (int left = 1, ri...
quadratic
1179_B. Tolik and His Uncle
CODEFORCES
import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.Map; import java.util.Scanner; public class b { public static void main(String[] rgs) { Scanner s=new Scanner(System.in); int n=s.nextInt(); long[] arr=new long[n]; for(int i...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.util.*; import java.util.Map.Entry; import java.io.*; public class A{ public static void main(String args[]){ FastScanner in = new FastScanner(System.in); PrintWriter out = new PrintWriter(System.out); int n = in.nextInt(); int a = in.nextInt(); int b = in.next...
linear
468_B. Two Sets
CODEFORCES
import java.io.*; import java.util.StringTokenizer; public class Main { public static String taskName = ""; public class Task { public void solve(int testNumber, InputReader in, PrintWriter out) { int n = in.nextInt(); int r = in.nextInt(); int[] x = new int[n]; for(int i = 0; i < n; i++) x[i] = ...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class B { /** * @param args * @throws IOException */ public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamRead...
linear
224_B. Array
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; public class StringRepeat { static Scanner in = new Scanner( new BufferedReader( new InputStreamReader( System.in ) ) ); public static void main( String[] args ) { String s = in.next(); int n = s.length(), ans = 0; for( int i = 0; i < n; i++ ) for( in...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.*; import java.util.*; import java.math.BigInteger; import java.util.Map.Entry; import static java.lang.Math.*; public class C extends PrintWriter { final long mod = 1_000_000_007; long pow(long n, long p) { long r = 1; while (p > 0) { if (p % 2 == 1) { ...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.util.Scanner; /** * Write a description of class lukno here. * * @author (your name) * @version (a version number or a date) */ public class lukno { public static void main (String args[]) { Scanner i= new Scanner(System.in); int n,p; n=i.nextInt(); in...
constant
122_A. Lucky Division
CODEFORCES
import java.util.*; import java.io.*; public class submitting { public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); StringTokenizer st = new StringTokenizer(sc.nextLine()); long n = Integer.parseInt(st.nextToken()); long k = Integer.parseInt(st.nextToken()); lo...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.*; public class C { public static void main(String[] args) { MyScanner in = new MyScanner(); PrintWriter out = new PrintWriter(Sys...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int m = in.nextInt(); boolean[][] graph = new boolean[n][n]; for(int i = 0; i < m; i++) { ...
np
11_D. A Simple Task
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; import javax.script.*; public class Noldbach { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(System.in); int n=sc.nextInt(); int k=sc.nextInt(); boolean[] sieve=new boolean[1001]; sieve[2]=false; ArrayList<Integ...
linear
17_A. Noldbach problem
CODEFORCES
import java.util.*; public class Main { public static void main(String[] args) { Scanner in=new Scanner(System.in); int n=in.nextInt(); int a[]=new int[n]; for(int i=0; i<n; i++) a[i]=in.nextInt(); long no=0; for(int i=0; i<n-1; i++) { for(int j=i+1; j<n; j++) ...
quadratic
911_D. Inversion Counting
CODEFORCES
//package ; import java.io.*; import java.util.*; public class D { static int dp(int i,int start,int msk) { if(Integer.bitCount(msk)==n) return s_e[i][start]; if(dp[i][start][msk]!=-1) return dp[i][start][msk]; int max=0; for(int k=0;k<n;k++) { int min=Integer.MAX_VALUE; if((msk & (1<<k)) ...
np
1102_F. Elongated Matrix
CODEFORCES
import java.util.*; import java.io.*; public class D { static int mod = (int) (1e9+7); static InputReader in; static PrintWriter out; static void solve() { in = new InputReader(System.in); out = new PrintWriter(System.out); int t = 1; ...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.StringTokenizer; import java.util.function.Function; public class D { public static void main(String[] args) throws IOException { try (Input input = new StandardInput(); PrintWriter writer = new PrintWriter(System.out)) { long[] s ...
logn
1080_D. Olya and magical square
CODEFORCES
import java.util.*; import java.io.*; public class _G14 { public static void main(String[] args) { MyScanner sc = new MyScanner(); PrintWriter out = new PrintWriter(new BufferedOutputStream(System.out)); int t = 1; while (t-- > 0) { int n = sc.nextInt(); mod ...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class A { private void solve() throws IOException { int n = nextInt(); int r = n; n *= 2; n -= (0.5*r); System.out.println(n); } public static void main(String[] args) { new A().run(); } ...
constant
84_A. Toy Army
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class DD { public static void main(String args[]) throws IOException { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); long k=Long.parseLong(br.readLine()); long ans=...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.util.Scanner; public class TaxiDriversAndLyft2 { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); long n = scanner.nextLong(); long m = scanner.nextLong(); long[] people = new long[(int) (n+m)]; int[] taxiDrivers = new int[(int) (n+m)]; for(int i = 0;i< ...
linear
1075_B. Taxi drivers and Lyft
CODEFORCES
import java.io.*; import java.util.*; /** __ __ ( _) ( _) / / \\ / /\_\_ / / \\ / / | \ \ / / \\ / / |\ \ \ / / , \ , / / /| \ \ / / |\_ /| / / / \ \_\ / / |\/ _ '_| \ / / / \ \\ | / |/ 0 \0\ / ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.awt.Point; import java.io.BufferedWriter; import java.io.File; import java.io.FileOutputStream; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.io.Writer; import java.util.LinkedList; import java.util.Queue; import java.util.Scanner; public class sdffsdf { public static void ma...
cubic
35_C. Fire Again
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.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 Main { public static int n, m; public static int[][] arr; public static class Item implements Comparable<Item> { int i, x; public Item(int i, int x) { this.i = i; this.x = x; } public int compareTo(Item other) { ...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.io.IOException; import java.io.PrintWriter; import java.util.*; import java.io.*; public class Main { boolean[] b; int[] r; ArrayList<ArrayList<Integer>> q; public void dfs(int u, int p) { for (int i = 0; i < q.get(u).size(); i++) { int v = q.get(u).get(i); ...
logn
817_C. Really Big Numbers
CODEFORCES
import java.io.DataInputStream; import java.io.InputStream; import java.util.Scanner; import java.util.TreeMap; import java.util.TreeSet; public class B { public static void main(String[] args) throws Exception { Parserdoubt2333 s = new Parserdoubt2333(System.in); int n = s.nextInt...
linear
224_B. Array
CODEFORCES
import static java.lang.Math.*; import static java.util.Arrays.*; import java.io.*; import java.util.*; public class Main { static boolean LOCAL = false;//System.getSecurityManager() == null; Scanner sc = new Scanner(System.in); void run() { char[] cs = sc.nextLine().toCharArray(); int...
cubic
23_A. You're Given a String...
CODEFORCES
/** * BaZ :D */ import java.util.*; import java.io.*; import static java.lang.Math.*; public class ACMIND { static FastReader scan; static PrintWriter pw; static long MOD = 1_000_000_007; static long INF = 1_000_000_000_000_000_000L; static long inf = 2_000_000_000; public static void main(Str...
np
1185_G1. Playlist for Polycarp (easy version)
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.io.*; import java.util.*; public class Main { public static void main(String[] args) { Scanner scan = new Scanner(System.in); long n = scan.nextLong(); long k = scan.nextLong(); long D = 9 + 4 * (2 * k + 2 * n); long y = (- 3 + (long)Math.sqrt(D)) / 2; Sy...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.*; import java.util.*; public class LuckyDivision { public LuckyDivision(Scanner in) { int n; n = in.nextInt(); if ( (n % 4 == 0) || (n % 7 == 0) || (n % 44 == 0) || (n % 47 == 0) || (n % 74 == 0) || (n % 77 == 0) || ...
constant
122_A. Lucky Division
CODEFORCES
import java.io.*; import java.util.ArrayList; import java.util.StringTokenizer; public class Solution { public static void main(String[] args) { InputStream inputStream; try { inputStream = new FileInputStream("input.txt"); } catch (IOException e) { throw new Runti...
cubic
35_C. Fire Again
CODEFORCES
import java.awt.*; import java.math.*; import java.util.regex.*; import static java.util.Arrays.*; import static java.util.Collections.*; import static java.lang.Integer.parseInt; import static java.util.AbstractMap.*; import static java.lang.System.*; import static java.lang.Math.*; import java.awt.geom.*; import java...
linear
17_A. Noldbach problem
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.InputMismatchException; import java.util.NoSuchElementException; import java.util.PriorityQueue; public class Main { static PrintWri...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.io.BufferedReader; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StreamTokenizer; import java.math.BigInteger; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import ...
nlogn
903_D. Almost Difference
CODEFORCES
/* * Author- Priyam Vora * BTech 2nd Year DAIICT */ import java.awt.Checkbox; import java.awt.Point; import java.io.*; import java.math.*; import java.util.*; import java.util.Map.Entry; import j...
logn
817_C. Really Big Numbers
CODEFORCES
import java.util.*; import java.io.*; public class Main { public static void main(String[] args) throws IOException { BufferedReader f = new BufferedReader(new InputStreamReader(System.in)); PrintWriter out = new PrintWriter(new PrintStream(System.out)); StringTokenizer st = new StringToken...
nlogn
1159_C. The Party and Sweets
CODEFORCES
import java.io.*; import java.util.*; public class A { private static Scanner sc = new Scanner(new InputStreamReader(System.in)); public static void main (String[] args) throws IOException { BitSet b = new BitSet(1001); BitSet p = primes(1001); for (int i = 0; i < ps.length - 1; i++) { ...
linear
17_A. Noldbach problem
CODEFORCES
//david alexander import java.util.*; public class Subtract { public static void main(String[] args){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int a,b; String answer = ""; while(n!=0){ a = sc.nextInt(); b = sc.nextInt(); answer += solve(a,b) + "\n"; n--; } System.out.printl...
constant
267_A. Subtractions
CODEFORCES
import java.util.*; public class maximus { static long GCD(long a,long b){ if(b==0)return a; return GCD(b,a%b); } public static void main(String [] args){ Scanner in=new Scanner(System.in); long n=in.nextInt(); if(n<=2){ System.out.print(n); return; } if(n%2==1){ System.out.print((n*(n-1)*(n-2)));...
constant
235_A. LCM Challenge
CODEFORCES
import java.util.Scanner; public class R113A { public static void main(String[] args){ Scanner in = new Scanner(System.in); int n = in.nextInt(), k = in.nextInt(); int[] ind = new int[n]; int[] p = new int[n]; int[] t = new int[n]; for (int i = 0; i < n; i++){ ...
nlogn
166_A. Rank List
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; import static java.util.Arrays.fill; import static java.util.Arrays.binarySearch; import static java.util.Arrays.sort; public class Main { public static void main(String[] args) throws IOException { new Thread(null, new Runnable() { public vo...
cubic
35_C. Fire Again
CODEFORCES
import java.io.BufferedReader; import java.io.DataInputStream; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; public class Main { private static Parser in; private static PrintWriter out; public static void main(String[] args) { in = new Parser(System...
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.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author Vaibhav Pulastya */ public...
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.*; public class A72 { public static void main (String[] args){ Scanner in = new Scanner(System.in); int n = in.nextInt(); System.out.println(n * 3 / 2); } }
constant
84_A. Toy Army
CODEFORCES