src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
import java.io.*; import java.util.*; import java.math.*; public class Main2 { public static void main(String[] args) throws Exception { new Main2().run(); } public void solve() throws Exception { n = nextInt(); int a[]= new int[n], pos = 1; for(int i=0; i<n; i++) ...
nlogn
22_A. Second Order Statistics
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...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.io.*; import java.util.*; public class A implements Runnable { private MyScanner in; private PrintWriter out; private void solve() { int n = in.nextInt(); int[] a = new int[n]; int max = -1, maxp = -1; for (int i = 0; i < n; ++i) { a[i] = in.nextInt(...
nlogn
135_A. Replacement
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 B { public static void main(String[] args) { InputReader in = new InputReader(); int n = in.nextInt(); int k = in.nextInt(); long numCandies = 1; int turns = 1, add = 2; while (numCandies < k) { ++turns; numCandies += add++; } int res = 0; ...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.*; import java.util.StringTokenizer; public class Main { private FastScanner in; private PrintWriter out; public void solve() throws IOException { int N = in.nextInt(); int M = in.nextInt(); int[][] edges = new int[N][N]; for (int i = 0; i < M; i++) { int a = in.nextInt() - 1; int b ...
np
11_D. A Simple Task
CODEFORCES
import java.util.Scanner; import java.io.*; import java.util.*; import java.math.*; import java.lang.*; import static java.lang.Math.*; public class main implements Runnable{ static ArrayList <Integer> adj[]; static int co=0,f=0; static void Check2(int n){ adj=new ArrayList[n+1]; for(int ...
logn
817_C. Really Big Numbers
CODEFORCES
import java.util.*; import java.io.*; public class virtual1{ static InputReader in = new InputReader(); static PrintWriter out = new PrintWriter(System.out); public static void main(String[] args) { long x = in.nextLong(); long k = in.nextLong(); long mod = (long)1...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.util.Scanner; public class A { public static void main(String[] args) { Scanner in = new Scanner(System.in); long l = in.nextLong(); long r = in.nextLong(); long a = 0; long b = 0; long c = 0; if (r - l < 2) System.out.println(-1); else if (r - l < 3 && l % 2 == 1) System.out.println...
constant
483_A. Counterexample
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class Main { public static void main(String[] args) { new Main().run(); } void run() { InputReader in = new InputReader(System.in); PrintWriter out = new PrintWriter(System.out); int n = in.nextInt(), k = in.nextInt(); int[] a = new int[n];...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class Main implements Runnable { //public static final String FileName = "test"; StreamTokenizer ST; PrintWriter out; BufferedReader br; Scanner in; static final int inf = 1000000000; int nextInt() throws IO...
linear
17_A. Noldbach problem
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class thing { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int m = in.nextInt(); String s = in.next(); int[][] count = new int[m][m]; int[] dp = new int[1 << m]; Arrays.fill(dp, ...
np
1238_E. Keyboard Purchase
CODEFORCES
//package round136; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; public class A { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(); int[] a = new int[n]; int[] b = new int[n]...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.util.*; import java.io.*; public class D { static final boolean stdin = true; static final String filename = ""; static FastScanner br; static PrintWriter pw; public static void main(String[] args) throws IOException { if (stdin) { br = new FastScanner(); pw = new PrintWriter(new OutputStre...
nlogn
988_D. Points and Powers of Two
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class DivRound584ProblemA { static FastReader sc=new FastReader(); public static void main(String args[]) throws IOException { int n = sc.nextInt(); ...
quadratic
1209_A. Paint the Numbers
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...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.util.*; import static java.util.Arrays.deepToString; public class A { private static int[] prime = new int[] { 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, ...
linear
17_A. Noldbach problem
CODEFORCES
import static java.lang.Math.max; import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class GivenString implements Runnable { public static void main(String[] args) thro...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.*; import java.io.*; public class Waw{ public static void main(String[] args) throws Exception { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); long[] a = new long[n]; for(int i=0;i<n;i++) a[i] = sc.nextLong(); long[] p = new long[n]; ...
linear
924_C. Riverside Curio
CODEFORCES
import java.util.*; public class Main{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); TreeSet<Integer> set = new TreeSet<Integer>(); for(int i=0;i<n;i++){ set.add(sc.nextInt()); } if(set.size() >= 2) System.out.println(set.toArray()[1]); else ...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.PrintWriter; import java.util.Arrays; import java.util.Random; import java.util.InputMismatchException; import java.io.Writer; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * @author emotionalBlin...
nlogn
274_A. k-Multiple Free Set
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 Main { public static void main(String args[]) throws IOException { Scanner c=new Scanner(System.in); int n=c.nextInt(); int a=c.nextInt(); //higher int b=c.nextInt(); //lower int C[]=new int[n]; for(int i=0;i<n;i++) C[i]=c.next...
nlogn
169_A. Chores
CODEFORCES
import java.awt.*; import java.io.*; import java.sql.Array; import java.util.*; import java.util.List; public class Main { static class FastReader { BufferedReader br; StringTokenizer st; public FastReader() { br = new BufferedReader( new InputStream...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.PrintStream; import java.util.Arrays; import java.util.Random; import java.io.IOException; import java.io.Reader; import java.io.InputStreamReader; import java.io.BufferedReader; import java.i...
np
839_E. Mother of Dragons
CODEFORCES
import java.io.*; import java.util.*; public class C { static int n, m, a[][]; static int[][] memo; static Integer[] indices; static int[] getCol(int col, int shift) { int[] ans = new int[n]; for (int i = 0, j = shift; i < n; i++, j = (j + 1) % n) { ans[i] = a[j][col]; } return ans; } static int d...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
//package codeforces; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; imp...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.io.*; import java.math.BigDecimal; import java.math.MathContext; import java.util.*; public class Main { static int len(long n) { int res = 0; while (n > 0) { n /= 10; res++; } return res; } static long big(int len) { long p = 1; while (len-- > 0) p *= 10; retu...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import sun.rmi.transport.DGCImpl_Stub; import java.io.*; import java.nio.file.ClosedWatchServiceException; import java.util.*; public class Main { public static void main(String[] args) throws FileNotFoundException { ConsoleIO io = new ConsoleIO(new InputStreamReader(System.in), new PrintWriter(System.out...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.io.BufferedReader; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.List; import java.util.StringTokenizer; /** * 9:50 ~ * */ public ...
np
8_C. Looking for Order
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 LogicalExpression { int N = 256; void solve() { Expression[] E = new Expression[N]; for (in...
quadratic
913_E. Logical Expression
CODEFORCES
import java.awt.Point; import java.io.*; import java.math.BigInteger; import java.util.*; public class C { static StringBuilder st = new StringBuilder(); public static void main(String[] args) throws Exception { Scanner sc = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); Point [] sq...
constant
994_C. Two Squares
CODEFORCES
import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.util.Scanner; public class C { private static final String REGEX = " "; private static final Boolean DEBUG = false; private static final String FILE_NAME = "input.txt"; public static void main(String[] args) ...
logn
817_C. Really Big Numbers
CODEFORCES
import java.util.Scanner; public class Subtractions { public static void main(String[] args) { // TODO Auto-generated method stub Scanner s=new Scanner(System.in); int t=s.nextInt(); while(t--!=0){ int a=s.nextInt(); int b=s.nextInt(); int min=Math.min(a, b); int max=Math.max(a, b); int ops=0;...
constant
267_A. Subtractions
CODEFORCES
import java.util.*; public class E { public static void main(String[] args) { new E(new Scanner(System.in)); } int N, M; int[][][] memo; int go(int i, int j, int mask) { if (i == N) return go(0, j+1, mask); if (j == M) { int mm = mask%(1<<N); ...
np
112_E. Petya and Spiders
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 voi...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws Exception { new Main().go(); } PrintWriter out; Reader in; BufferedReader br; Main() throws IOException { try { //br = new BufferedReader( new FileReader("in...
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 */ public class Main { public static...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.*; import java.io.*; import static java.lang.System.in; public class Main { public static void main(String[] args)throws IOException{ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[][] point = new int[n][]; for(int i=0;i<n;i++) point[i] = new int[]{s...
nlogn
528_B. Clique Problem
CODEFORCES
import java.io.*; public class coins { public static void main(String args[])throws IOException { InputStreamReader read=new InputStreamReader(System.in); BufferedReader in=new BufferedReader(read); int i,k,n,v; String a; a=in.readLine(); for(i=0;i<a.length();i++) { if(a.charAt(i)==' ') break; }...
constant
1061_A. Coins
CODEFORCES
import java.io.*; import java.util.*; public class Solution { private BufferedReader in; private PrintWriter out; private StringTokenizer st; void solve() throws IOException { int n = nextInt(); int k = nextInt(); ArrayList<Integer> ps = new ArrayList<Integer>(); boolean[] prime = new boolean[n + 1]; ...
linear
17_A. Noldbach problem
CODEFORCES
import java.util.*; public class Main { public static class node implements Comparable<node>{ int l,r; node(){} node(int l,int r) { this.l=l; this.r=r; } @Override public int compareTo(node rhs) { return r-rhs.r; } } public static void main(String args[]){ Scanner in = new Scanner(Syste...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.awt.Point; import java.io.*; import java.text.*; import java.util.*; import java.util.regex.*; public class Main{ static class Run implements Runnable{ //TODO parameters final boolean consoleIO = true; final String inFile = "input.txt"; ...
nlogn
15_A. Cottage Village
CODEFORCES
import java.util.*; import java.io.*; public class Contest176B { public static void main(String[] args) throws IOException{ Scanner sc = new Scanner(System.in); long n = sc.nextLong(); int k = sc.nextInt(); if( ((long)k * (long)(k + 1))/2 - 1 - (k - 2) < n){ Sys...
logn
287_B. Pipeline
CODEFORCES
import java.util.Scanner; public class A235 { public static void main(String[] args) { Scanner in = new Scanner(System.in); long a = in.nextLong(); if (a % 2 == 0) { long result = cal(a); result = Math.max(result, cal(a + 1)); result = Math.max(result, cal2(a)); System.out.println(Math.max(result, ...
constant
235_A. LCM Challenge
CODEFORCES
import java.io.*; import java.util.*; import java.util.concurrent.ArrayBlockingQueue; import javax.print.attribute.HashAttributeSet; public class CodeForces { public void solve() throws IOException { int n = nextInt(); int arr[]=new int[1000]; arr[0]=0; arr[1]=1; arr[2]=1; if(n==0){ out.print("0 0 0...
constant
199_A. Hexadecimal's theorem
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
1088_D. Ehab and another another xor problem
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StreamTokenizer; public class C43 { static StreamTokenizer in = new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in))); static PrintWriter out = new Print...
linear
46_C. Hamsters and Tigers
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.util.ArrayList; import java.util.LinkedList; import java.util.Queue; import java.util.StringTokenizer; import javafx.util.Pair; ...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.lang.reflect.Array; import java.util.*; import java.math.*; import java.lang.*; import static java.lang.Math.*; public class TaskB implements Runnable { boolean prime[] = new boolean[(int)1e6+10]; InputReader c; PrintWriter w; public void run() { c = new InputRea...
linear
608_B. Hamming Distance Sum
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; public class Main implements Runnable { PrintWriter out; BufferedReader in; StringTokenizer st; void solve() throws Exception { int n = ne...
nlogn
160_A. Twins
CODEFORCES
import java.io.*; import java.util.*; public class Array224B { public static void main(String[] args) throws IOException { BufferedReader f = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(f.readLine()); int n = Integer.parseInt(st.nextToken()); int k = Integer....
linear
224_B. Array
CODEFORCES
// Author: aman_robotics //package math_codet; import java.io.*; import java.util.*; public class lets_do { FastReader in; PrintWriter out; Helper_class h; final long mod = 1000000009; final int MAXN = 1000005; final int lgN = 20; final long INF = (long)1e18; final long MAX_Ai = (long...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.*; import java.util.*; public class E implements Runnable { FastReader scn; PrintWriter out; String INPUT = ""; void solve() { int t = scn.nextInt(); while(t-- > 0) { int n = scn.nextInt(), m = scn.nextInt(); int[][] arr = scn.next2DInt(n, m); int[][] col = new int[m][2]; for(in...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.util.*; import java.io.*; public class F531 { public static void main(String[] args) { MyScanner sc = new MyScanner(); PrintWriter out = new PrintWriter(new BufferedOutputStream(System.out)); int n = sc.nextInt(); int m = sc.nextInt(); long [][] mn1 = new long[n][n]; ...
np
1102_F. Elongated Matrix
CODEFORCES
import java.io.BufferedReader; import java.io.File; 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.math.BigInteger; import java.util.ArrayList; import java.util.Arrays; imp...
nlogn
166_A. Rank List
CODEFORCES
import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.math.BigInteger; import java.util.StringTokenizer; public class Quiz { public static long pow(long base, long power) { if (power == 0) ...
logn
338_A. Quiz
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
1019_B. The hat
CODEFORCES
//package round22; 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; // private String INPUT = "5 1 2 3 1 1"; private String INPUT = ""; public void solve() { int n = ni(); int[] a = new...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.io.*; import java.util.*; import java.lang.*; public class Main{ static InputReader sc; static PrintWriter pw; public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; sc = new InputReader(inputStream); ...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.InputStreamReader; import java.io.IOException; import java.util.Arrays; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * @author oce...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.math.BigInteger; public class C { private static Solver solver = new Solver(); private static long m = 1000000000L + 7L; public static void main(String[] args) throws IOException { solver.withProcedure(() -> { String[] input = solver.readString().split("...
logn
992_C. Nastya and a Wardrobe
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.Writer; import java.io.OutputStreamWriter; import java.util.InputMismatchException; import java.io.IOExcept...
cubic
840_C. On the Bench
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
/* * To change this template, choose Tools | Templates * and open the template in the editor. */ import java.util.Scanner; /** * * @author 111 */ public class JavaApplication4 { /** * @param args the command line arguments */ static long k, n, ans; static private long binsearch(long l, lo...
logn
287_B. Pipeline
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.*; import java.util.*; import java.math.*; public class Main{ public static void main(String[] Args) throws Exception { Scanner sc = new Scanner(new FileReader("input.txt")); int n,m,k; Integer lx,ly; boolean d[][]; n = sc.nextInt(); m = sc.nextInt(); k = sc.nextInt();...
cubic
35_C. Fire Again
CODEFORCES
// practice with kaiboy, coached by rainboy import java.io.*; import java.util.*; public class CF1515E extends PrintWriter { CF1515E() { super(System.out, true); } Scanner sc = new Scanner(System.in); public static void main(String[] $) { CF1515E o = new CF1515E(); o.main(); o.flush(); } void main() { int n ...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.io.BufferedWriter; import java.io.Writer; import java.io.OutputStreamWriter; import java.util.InputMismatchException; import java.io.IOException; import java.io.Input...
np
839_E. Mother of Dragons
CODEFORCES
import java.util.*; import java.io.*; import static java.lang.Math.*; public class Main { static MyScanner scan; static PrintWriter pw; public static void main(String[] args) { new Thread(null,null,"_",1<<25) { public void run() { try {...
linear
1000_A. Codehorses T-shirts
CODEFORCES
// Change Of Plans BABY.... Change Of Plans // import java.io.*; import java.util.*; import java.util.Queue; import static java.lang.Math.*; public class digitSequence { static void MainSolution() { long k = nl() - 1; for (int i = 1; ; i++) { long temp=9L*i*fastPow(10,i-1); ...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
/* * * @Author Ajudiya_13(Bhargav Girdharbhai Ajudiya) * Dhirubhai Ambani Institute of Information And Communication Technology * */ import java.util.*; import java.io.*; import java.lang.*; public class Code3 { public static void main(String[] args) { InputReader in = new InputReader(System.in); Pr...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.*; import java.util.*; import java.text.*; import java.lang.*; import java.math.*; public class Main{ static ArrayList a[]=new ArrayList[200001]; static int Count(int a[][],int n) { dsu d=new dsu(n); for(int i=0;i<n;i++) { for(int j=0;j<n;j++) { if(a[i][j]==0) { d.union(i, j); }...
quadratic
990_D. Graph And Its Complement
CODEFORCES
import java.util.Arrays; import java.util.HashMap; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.TreeSet; public class r568p8{ private static InputReader sc; private static PrintWriter pw; private static long m...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.math.BigInteger; import java.util.Scanner; public class C { public static void main(String[] args) { Scanner sc=new Scanner(System.in); long s=0,mod=1000000009; int n=sc.nextInt(),m=sc.nextInt(),k=sc.nextInt(),c=n/k; if(m<=c*(k-1)+(n%k))System.out.println(m); else { int a=m-c*(k-1)-(n%k); ...
logn
338_A. Quiz
CODEFORCES
//package Educational35; //import FastScanner.Competitive; 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 D { String INPUT = "4\n" + "1 2 4 ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; public class BOOL { static char [][]ch; static int n,m; private static FastReader in =new FastReader(); public static void main(String[] args) { int n=in.nextInt(); int a[]=new int[100000...
linear
608_C. Chain Reaction
CODEFORCES
//package codeforces; import java.util.*; import java.math.BigInteger; public class test_round_B { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc=new Scanner(System.in); BigInteger k=sc.nextBigInteger(); BigInteger i=new BigInteger("0"); int d=0; BigInteger...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.util.Arrays; import java.util.Scanner; /** * @author vstepanov on 3/29/2017. */ public class Main { public static void main(String[] args) { try(Scanner in = new Scanner(System.in)) { int bx = in.nextInt(); int by = in.nextInt(); int n = in.nextInt(); ...
np
8_C. Looking for Order
CODEFORCES
/** * Author: Ridam Nagar * Date: 27 February 2019 * Time: 01:17:36 **/ /* package codechef; // don't place package name! */ import java.util.*; import java.lang.*; import java.io.*; import java.math.BigInteger; /* Name of the class has to be "Main" only if the class is public. */ public class Codechef { ...
constant
913_A. Modular Exponentiation
CODEFORCES
import java.io.*; import java.util.*; public class icpc { public static void main(String[] args) throws IOException { Reader in = new Reader(); // BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); long n = in.nextLong(); long k = in.nextLong(); lon...
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.*; public class Solution { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); Comp c1 = getComp(scanner); Comp c2 = getComp(scanner); c1.sortByPrice(); c2.sortByPrice(); int i = 0; int j = 0; while(i < c1.num || j < c2.num) { Elem xi = (i < c1.num) ...
nlogn
981_B. Businessmen Problems
CODEFORCES
//>>>BaZ<<<// import java.util.*; import java.io.*; import static java.lang.Math.*; public class Main { static int dx[] = {-1,1,0,0}; static int dy[] = {0,0,1,-1}; static long MOD = 1000000007; static int INF = Integer.MAX_VALUE/10; static PrintWriter pw; static InputReader scan; //static ...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.*; import java.io.*; import java.util.stream.Collectors; public class P1177A { public static void main(String[] args) throws Exception { BufferedReader r = new BufferedReader(new InputStreamReader(System.in)); long n = Long.parseLong(r.readLine()); if (n < 10) { ...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.*; import java.util.*; public final class Subtractions { public static void main(String[] args) { InputReader in = new InputReader(System.in); PrintWriter out = new PrintWriter(System.out); Solver solver = new Solver(in, out); solver.solve(); in.close(); out....
constant
267_A. Subtractions
CODEFORCES
import java.util.*; import java.io.*; public class C0008 { public static void main(String args[]) throws Exception { new C0008(); } int n; int target; int pow[]; int dp[]; int next[]; int dist[][]; C0008() throws Exception { PandaScanner sc = null; PrintWr...
np
8_C. Looking for Order
CODEFORCES
import java.io.*; import java.util.Arrays; import java.util.Random; public class ProblemC { public static void main(String[] args) throws IOException { init(); new ProblemC().run(); out.flush(); out.close(); } static void init() throws IOException { in = new StreamTokenizer(new Buffered...
linear
701_C. They Are Everywhere
CODEFORCES
import java.io.*; import java.util.*; public class B { public void solve() throws IOException { long n = nextInt(), k = nextInt(); long c = 2 * (n + k); long l = -1, r = 200000; while (r - l > 1) { long m = l + (r - l) / 2; if (m * m + 3 * m >= c) { ...
logn
1195_B. Sport Mafia
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in Actual solution is at the top * * @author MaxHeap */ public class Main ...
linear
1062_C. Banh-mi
CODEFORCES
import java.util.*; public class main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int houses = sc.nextInt(); int size = sc.nextInt(); hizzy[] array = new hizzy[houses]; long total =2; for(int a=0;a<houses;a++)array[a]=new hi...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.HashMap; import java.util.HashSet; import java.util.StringTokenizer; i...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.util.Scanner; public class GivenString { public static void main(String[] args) { Scanner input = new Scanner(System.in); String s = input.nextLine(); int max = 0; for(int i = 0; i < s.length(); i++) { for(int j = i + 1; j <= s.leng...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.*; import java.io.*; import static java.lang.Math.*; public class A{ public static void main(String[] args) throws Exception{ new A().run(); } void run() throws Exception{ //Scanner sc = new Scanner(System.in); BufferedReader sc = new BufferedReader(new InputStream...
nlogn
135_A. Replacement
CODEFORCES
import static java.lang.Integer.parseInt; import static java.lang.Long.parseLong; import static java.lang.Math.max; import static java.lang.Math.min; import static java.lang.System.exit; import static java.util.Arrays.fill; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; im...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.util.Scanner; public class B { /** * @param args */ public static void main(String[] args) { Pipes pipes = new Pipes(); pipes.solve(); pipes.print(); } } class Pipes { Pipes() { Scanner scr = new Scanner(System.in); n = scr.nextLong(); k = scr.nextLong(); } long bs(long nb, lo...
logn
287_B. Pipeline
CODEFORCES
import java.io.*; import java.util.*; public class D { BufferedReader br; PrintWriter out; StringTokenizer st; boolean eof; double f(int dist, double initSp, int a, int maxSp) { double distToReachMaxSpeed = 0.5 * (maxSp * maxSp - initSp * initSp) / a; if (dist > distToReachMaxSpeed) return 1d * (max...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.awt.Point; import java.io.*; import java.math.BigInteger; import java.util.*; import static java.lang.Math.*; public class A483 implements Runnable { BufferedReader in; PrintWriter out; StringTokenizer tok = new StringTokenizer(""); public static void main(String[] args) { new Thread(null, new A483...
constant
483_A. Counterexample
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.IOException; import java.util.LinkedList; public class LuckyNumbers { public static void main(String[] args)throws IOException { BufferedReader scan=new BufferedReader(new InputStreamReader(System.in)); short num=Sh...
constant
122_A. Lucky Division
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.List; import java.util.StringTokenizer; public class B { final int INF = 1_000_000_000; void solve() { int n = readInt(); int k = readInt(); long l ...
logn
1195_B. Sport Mafia
CODEFORCES