src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
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stringclasses
1 value
import java.io.*; import java.util.*; import java.math.*; import java.lang.*; import static java.lang.Math.*; public class Main implements Runnable { static class InputReader { private InputStream stream; private byte[] buf = new byte[1024]; private int curChar; private int numChars; private SpaceCharFi...
np
839_E. Mother of Dragons
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...
np
11_D. A Simple Task
CODEFORCES
import java.io.*; import java.util.*; public class B { static int n, t[], g[], MOD = (int) 1e9 + 7; static int[][][] memo1, memo2[], memo3[]; static int dp1(int idx, int remCnt, int remSum) { if (idx == n) return remSum == 0 && remCnt == 0 ? 1 : 0; if (remCnt < 0 || remSum < 0) return 0; if (memo1[idx...
cubic
1185_G2. Playlist for Polycarp (hard version)
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; public class A { public static void main(String[] args) throws IOException { /**/ Scanner sc = new Scanner(new BufferedReader(new InputStreamReader(System.in))); /*/ Scanner sc = new Scanner(new BufferedReader(new InputStreamReader(new FileInputStream...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import static java.lang.Math.*; import static java.lang.System.currentTimeMillis; import static java.lang.System.exit; import static java.lang.System.arraycopy; import static java.util.Arrays.sort; import static java.util.Arrays.binarySearch; import static java.util.Arrays.fill; import java.util.*; import java.io.*; p...
np
111_C. Petya and Spiders
CODEFORCES
import java.io.IOException; import java.util.Arrays; import java.util.TreeMap; import java.util.InputMismatchException; import java.util.ArrayList; import java.io.OutputStream; import java.io.PrintWriter; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * @author George ...
linear
468_B. Two Sets
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; public class B { int mod=1000_000_007; public static void main(String[] args) throws Exception { PrintWriter out=new PrintWriter(System.out); FastScanner fs=new Fas...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.io.BufferedWriter; import java.io.ByteArrayInputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileWriter; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; import java.util.Lin...
cubic
35_C. Fire Again
CODEFORCES
import java.util.Scanner; public class CF125D2A { /** * @param args */ public static void main(String[] args) { Scanner sc = new Scanner (System.in); System.out.println("0 0 "+ sc.nextInt()); } }
constant
199_A. Hexadecimal's theorem
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String args[]) { Scanner sc=new Scanner(System.in); int n=sc.nextInt(),m=sc.nextInt();int g[]=new int[1<<m]; StringBuffer s=new StringBuffer(sc.next()); s=s.insert(0, 'A'); int D=(1<<m)-1; for(int i=1;i<n;i++...
np
1238_E. Keyboard Purchase
CODEFORCES
/* * code together * code better */ import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.io.StreamTokenizer; import java.util.HashMap; import java.util.Scanner; public class Main { static int x[]...
quadratic
908_C. New Year and Curling
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.*; import java.io.*; public class EdC { static long[] mods = {1000000007, 998244353, 1000000009}; static long mod = mods[0]; public static MyScanner sc; public static PrintWriter out; static char[][] grid; static int n; static int t; static int[][] dp; static int[] times; ...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.io.*; import java.util.*; public class E { PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out))); BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer tok; public void go() throws IOException { StringToken...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.util.Scanner; public class Main { public static Character solve(long a, long b, long c) { long min = a; long max; long xth = 0; long index; for (index = String.valueOf(a).length() - 1;; index++) { long numOfDigits = 0; max = (long) Math.pow(10, index + 1) - 1; long count = (max - m...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
//package math_codet; import java.io.*; import java.util.*; /****************************************** * AUTHOR: AMAN KUMAR SINGH * * INSTITUITION: KALYANI GOVERNMENT ENGINEERING COLLEGE * ******************************************/ public class lets_do { InputReader in; PrintWriter o...
linear
1004_A. Sonya and Hotels
CODEFORCES
// Don't place your source in a package import javax.swing.*; import java.lang.reflect.Array; import java.text.DecimalFormat; import java.util.*; import java.lang.*; import java.io.*; import java.math.*; import java.util.stream.Stream; // Please name your class Main public class Main { static FastScanner fs=new F...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.util.*; import java.io.*; public class Main { public static void main(String args[]) throws IOException { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); String s; int i,j; for(i=0;i<n;i++) { s = sc.next(); j = 0; boolean ok; while((s.charAt(j)>='A')...
linear
1_B. Spreadsheets
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; import static java.lang.Math.*; public class Main { private FastScanner scanner = new FastScanner(); public static void main(String[] args) { new Main().solve(); } private void ...
linear
990_C. Bracket Sequences Concatenation Problem
CODEFORCES
//package round495; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.HashSet; import java.util.InputMismatchException; import java.util.Set; public class A { InputStream is; PrintWriter out; String INPU...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class LookingForOrder { static int[] dp = new int[(int) (1 << 24)]; static int[][] points; static int[] sol = new int[1<<24]; static int sx = 0, sy = 0; ...
np
8_C. Looking for Order
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class A { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int a = sc.nextInt(); int b = sc.nextInt(); int[] ar = new int[n]; for (int i = 0; i < n; i++) { ...
nlogn
169_A. Chores
CODEFORCES
import java.util.*; import java.io.*; import java.math.BigInteger; public class C111A{ static BufferedReader br; public static void main(String args[])throws Exception{ br=new BufferedReader(new InputStreamReader(System.in)); int n = toInt(); int nm[] = toIntArray(); double a=0.0...
nlogn
160_A. Twins
CODEFORCES
import java.util.*; public class Main { public static void main(String args[]) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m = sc.nextInt(); long totalBlocks = 0; long a[] = new long[n]; for(int i = 0; i < n; ++i) { a[i] = sc.nextLo...
nlogn
1061_B. Views Matter
CODEFORCES
/** * @author derrick20 */ import java.io.*; import java.util.*; public class SameSumBlocks { public static void main(String[] args) throws Exception { FastScanner sc = new FastScanner(); PrintWriter out = new PrintWriter(System.out); int N = sc.nextInt(); int[] pre = new int[N +...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class SFly { public static void main(String[] args) throws IOException { BufferedReader lector = new BufferedReader(new InputStreamReader(System.in)); int planet = Integer.parseInt(lector.readLine()); int ini...
linear
1010_A. Fly
CODEFORCES
import java.util.Scanner; public class first { static int max = 1000000000; public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] tab = new int[n]; for(int i=0;i<n;i++) { tab[i] = sc.nextInt(); } for(int i=0;i<n;i++) { for(int j=0;j<n;j++) { i...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.Scanner; public class codef8 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc = new Scanner(System.in); int num = sc.nextInt(); int beacon[] = new int[1000001]; int pos[] = new int[num]; for (int i = 0; i < num; i++) { int position = sc.nextInt...
linear
608_C. Chain Reaction
CODEFORCES
import java.util.*; public class Main { public static void main(String args[]) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m = sc.nextInt(); long totalBlocks = 0; long a[] = new long[n]; for(int i = 0; i < n; ++i) { a[i] = sc.nextLo...
nlogn
1061_B. Views Matter
CODEFORCES
import java.io.*; import static java.lang.Integer.*; import static java.lang.Math.*; public class A { public static void main(String[] args) throws Throwable{ BufferedReader in=new BufferedReader(new InputStreamReader(System.in)); String ln=in.readLine().trim(); System.out.println(max(parseInt(ln),max(parseInt(...
constant
313_A. Ilya and Bank Account
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Scanner; import java.util.StringTokenizer; public class B { public static void main(String[] args) { Scanner sc = new Scanner(new BufferedReader(new InputStreamReader( System.in))); int nc = sc.nextInt(); while (nc-- > 0) { ...
linear
1_B. Spreadsheets
CODEFORCES
import java.io.*; import java.util.*; public class Main { static InputReader in = new InputReader(System.in); static PrintWriter out = new PrintWriter(System.out); static long oo = 1000000000000L; public static void main(String[] args) throws IOException { int n = in.nextInt(); int q = in.nextInt()...
linear
1180_C. Valeriy and Deque
CODEFORCES
// Don't place your source in a package import javax.swing.*; import java.lang.reflect.Array; import java.text.DecimalFormat; import java.util.*; import java.lang.*; import java.io.*; import java.math.*; import java.util.stream.Stream; // Please name your class Main public class Main { static FastScanner fs=new F...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.*; import java.util.ArrayList; import java.util.Collections; import java.util.List; public class Task483A { public static void main(String... args) throws NumberFormatException, IOException { Solution.main(System.in, System.out); } static class Scanner { privat...
constant
483_A. Counterexample
CODEFORCES
import java.util.*; import java.io.*; import java.math.BigInteger; public class ProblemE { static int mod = (int) (1e9+7); static InputReader in; static PrintWriter out; static class SegmentTree { long st[]; SegmentTree(int n) { st = new long[4*n]; build...
nlogn
903_D. Almost Difference
CODEFORCES
import java.math.*; import java.util.*; import java.io.*; public class Main{ void solve() { int n=ni(); long d=nl(); long x[]=new long[n+1]; for(int i=1;i<=n;i++) x[i]=nl(); Arrays.sort(x,1,n+1); int ans=2; for(int i=2;i<=n;i++){ long x1=x[i-1]+d,...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class A { BufferedReader br; StringTokenizer st; PrintWriter out; void solve() throws IOException { int n = nextInt(); int[] a = new int[n]; for (int i = 0; i < n; i++) { a[i] = nextInt(); } int[] b = a.clone(); Arrays.sor...
nlogn
220_A. Little Elephant and Problem
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.util.ArrayList; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; import java.util.Scanner; import java.util.stream.Collectors; public class A { static int countColors(List<Integer> colors) { Collections.sort(colors); int k = 0; while (!colors.isEmpty()) { ...
quadratic
1209_A. Paint the Numbers
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 Sun...
linear
224_B. Array
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.*; // Pipeline // 2013/03/23 public class P287B{ Scanner sc=new Scanner(System.in); long n, k; void run(){ n=sc.nextLong(); k=sc.n...
logn
287_B. Pipeline
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.awt.Point; import java.io.*; import java.math.BigInteger; import java.util.*; import static java.lang.Math.*; public class Main implements Runnable { BufferedReader in; PrintWriter out; StringTokenizer tok = new StringTokenizer(""); void init() throws FileNotFoundException { ...
cubic
35_C. Fire Again
CODEFORCES
import java.math.BigInteger; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); BigInteger l = new BigInteger(scanner.next()); BigInteger r = new BigInteger(scanner.next()); if(r.subtract(l).intValue() < 2) { System.out.println(-...
constant
483_A. Counterexample
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Iterator; import java.util.ListIterator; import java.util.Collection; import java.util.AbstractList; import java.util.InputMismatchException; import java.io.IOException; import java.util.Deq...
nlogn
961_D. Pair Of Lines
CODEFORCES
import java.util.*; import java.io.*; public class test { public static void main(String[] args) throws IOException { Scanner s = new Scanner(System.in); StringTokenizer st = new StringTokenizer(s.nextLine()); int n = Integer.parseInt(st.nextToken()); int r = Integer.parseInt(st.nextToken()); st = new Strin...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.*; import java.util.*; public class CF387D { static class A { ArrayList<Integer> list = new ArrayList<>(); int u, v, d; } static final int INF = Integer.MAX_VALUE; static boolean bfs(A[] aa, int n) { ArrayDeque<Integer> q = new ArrayDeque<>(); for (int u = 1; u <= n; u++) if (aa[u].v > 0)...
cubic
387_D. George and Interesting Graph
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.File; import java.io.FileNotFoundException; import java.util.Scanner; public class Round313A { private static final int LOCAL_ENV = 0; public static void main(String[] args) { Scanner in = new Scanner(System.in); try { if (LOCAL_ENV == 1) { in = new Scanner(new File("input.txt")); } }...
constant
313_A. Ilya and Bank Account
CODEFORCES
//package round371; import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; public class BT { Scanner in; PrintWriter out; String INPUT = ""; int q(int r1, int c1, int r2, int c2) { out.printf("? %d %d %d %d\n", r1+1, c1+1, r2+1, c2+1); out.flush(); return ni(); } void e(int r...
logn
713_B. Searching Rectangles
CODEFORCES
import java.util.*; import java.lang.*; import java.io.*; public class CodehorsesTShirt { public static void main(String args[]) throws IOException { FastReader in = new FastReader(); OutputStream outputStream = System.out; PrintWriter out = new PrintWriter(outputStream); Task.solv...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.io.*; import java.util.*; public class Q3 { static class Pair { int a; int b; Pair(int p, int q) { a = p; b = q; } } public static void main(String[] args) { InputReader in = new InputReader(); int N = in.nextInt(); ...
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.StringTokenizer; import java.util.Map; import java.util.HashMap; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /**...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.io.*; import java.util.*; public class TaskA { public void run() { InputReader reader = new InputReader(System.in); PrintWriter writer = new PrintWriter(System.out, true); reader.nextLine(); String statement = reader.next(); if (!statement.startsWith("-")) { ...
constant
313_A. Ilya and Bank Account
CODEFORCES
import java.util.*; import java.io.*; public class NewYearsCurling { public static void main(String[] args) { Scanner sc = new Scanner(System.in); PrintWriter pw = new PrintWriter(System.out); StringTokenizer st = new StringTokenizer(sc.nextLine()); int n = Integer.parseInt(st.nextToken()); int r = Integer...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.*; import java.io.*; /* 6 2 2 5 2 1 5 1 1 3 1 2 1 1 1 2 1 1 1 2 2 3 2 1 1 1 */ public class e2 { static int n; static int m; static int[][] mat; public static void main(String[] args){ JS scan = new JS(); PrintWriter out = new PrintWriter(System.out); int t = scan.nextInt(); long start...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.util.*; public class C23A { public static void main(String args[]){ Scanner sc=new Scanner(System.in); String str=sc.next(); for(int k=str.length()-1;k>=1;k--){ for(int i=0;i<=str.length()-k;i++){ for(int j=i+1;j<=str.length()-k;j++){ ...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.OutputStream; import java.util.SortedSet; import java.util.Set; import java.util.NavigableSet; import java.io.IOException; import java.util.InputMismatchException; import java.io.InputStreamRe...
linear
1190_C. Tokitsukaze and Duel
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.IOException; import java.io.UncheckedIOException; import java.io.Closeable; import java.io.Writer; import java.io.OutputStreamWriter; import java.io.InputStream; /** * Built using CHelper p...
logn
338_A. Quiz
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.ArrayList; import java.util.Comparator; import java.util.List; import java.util.StringTokenizer; public class ChainReaction im...
nlogn
608_C. Chain Reaction
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; public class Main { public static void main(String args[]) throws Exception { BufferedReader in=new BufferedReader(new InputStreamReader(System.in)); int num=Integer.parseInt(in.readLine()); System.out.println((num/2)*(3)); } }
constant
84_A. Toy Army
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; /** * Author - * User: kansal * Date: 9/3/11 * Time: 5:28 PM */ public class CF85C { public static void main(String[] args) { reader = new BufferedRea...
np
112_E. Petya and Spiders
CODEFORCES
import java.io.*; import java.util.*; public class digits { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); long k = Long.parseLong(br.readLine()); long temp = 9 * (int)Math.pow(10,0); int count =...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.util.*; public class E { public static void main(String[] args) { new E(new Scanner(System.in)); } public E(Scanner in) { int N = in.nextInt(); double[][] g = new double[N][N]; for (int j=0; j<N; j++) for (int i=0; i<N; i++) g[i][j] = in.next...
np
16_E. Fish
CODEFORCES
import java.awt.Point; import java.util.Arrays; import java.util.Comparator; import java.util.Scanner; public class A { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int k = in.nextInt() - 1; Point[] A = new Point[n]; fo...
nlogn
166_A. Rank List
CODEFORCES
import java.util.*; public class algo121 { public static void main(String args[]) { Scanner ex=new Scanner(System.in); int n=ex.nextInt(); String a[]=new String[n]; String b[]=new String[n]; for(int i=0;i<n;i++) a[i]=ex.next(); for(int i=0;i<n;i++) ...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { new Main().run(); } boolean[][] graph; public void run() { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m = sc.nextInt(); graph = new boolean[n][n]; for (int i = 0; i < m; i++) { int a = sc.n...
np
11_D. A Simple Task
CODEFORCES
// Don't place your source in a package import javax.swing.*; import java.lang.reflect.Array; import java.text.DecimalFormat; import java.util.*; import java.lang.*; import java.io.*; import java.math.*; import java.util.stream.Stream; // Please name your class Main public class Main { static FastScanner fs=new F...
cubic
1185_G2. Playlist for Polycarp (hard version)
CODEFORCES
import java.io.BufferedReader; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.HashSet; import java.util.StringTokenizer; public class Main { public static void main(String[] args) throws Excepti...
linear
17_A. Noldbach problem
CODEFORCES
import java.io.*; import java.util.Arrays; import java.util.HashSet; import java.util.Set; import java.util.StringTokenizer; public class B { static PrintWriter out = new PrintWriter(new BufferedOutputStream(System.out)); static MyScanner sc; static { try { sc = new MyScanner(); ...
logn
1195_B. Sport Mafia
CODEFORCES
//package Codeforces.Round718Div1_2; import java.io.*; import java.util.*; public class D { static boolean isValid(int n, int m, int i, int j){ return 0<=i && i<n && 0<=j && j<m; } public static void main(String[] args) throws IOException { Soumit sc = new Soumit(); int n = sc.nex...
cubic
1517_D. Explorer Space
CODEFORCES
//package round35; import java.io.File; import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; public class C { Scanner in; PrintWriter out; // String INPUT = "3 3 1 1 1"; String INPUT = ""; void solve() { int n = ni(); int m = ni(); int k = ni(); int[] x = new int[k]; int[] y...
cubic
35_C. Fire Again
CODEFORCES
import java.util.*; public class algo93 { public static void main(String args[]) { Scanner ex=new Scanner(System.in); long x=ex.nextLong(); long k=ex.nextLong(); long mod=1000000007; if(k==0) System.out.println((2*x)%mod); else if(x==0) System.out....
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.io.*; import java.util.*; public class Codeforces { public static void main(String args[])throws Exception { BufferedReader bu=new BufferedReader(new InputStreamReader(System.in)); StringBuilder sb=new StringBuilder(); int t=Integer.parseInt(bu.readLine()); while(t--...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Scanner; public class Main { public static long GCF(long a, long b) { if(b == 0) return a; else return GCF(b, a%b); } public static long LCM(long a, long b){ return a...
constant
235_A. LCM Challenge
CODEFORCES
import java.util.*; import java.io.*; public class A2 { /* */ public static void main(String[] args) throws Exception { uu.s1(); uu.out.close(); } public static class uu { public static BR in = new BR(); public static PrintWriter out = new PrintWriter(new BufferedWriter...
logn
338_A. Quiz
CODEFORCES
import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Scanner; public class Solution { public static void main(String[] args) { Solution solution = new Solution(); System.out.println(solution.solve()); } private int solve() { Scanner in = new Scan...
nlogn
1011_B. Planning The Expedition
CODEFORCES
import java.util.Scanner; /* * To change this template, choose Tools | Templates * and open the template in the editor. */ /** * * @author madi */ public class GivenString { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String line = sc.nextLine(); S...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.Scanner; public class digits { public static void main(String[] args) { long k = (new Scanner(System.in)).nextLong(); //k = 56 //League 1: 0 - 9 //League 2: 10 - 99 //League 3: 100 - 999.. //System.out.println("k = "+k); long league = 1; long irrelevancy = 0; while(true) { ...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.math.BigInteger; import java.util.StringTokenizer; public class LittleGirlAndXor { static long L, R; static Long[][][][][] dp = new Long[64][2][2][2][2]; public static long...
logn
276_D. Little Girl and Maximum XOR
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(); int t=n; ...
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.HashMap; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.StringTokenizer; import java.io.BufferedReader; import java.util.Comparato...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.util.Scanner; public class B { static int n; static double A; static int[] L; static int[] B; static double max = 0; public static void rec(int index, int k) { if (k < 0) return; if (index == n) { double prob = 0; for (int i = 0...
np
105_B. Dark Assembly
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.HashSet; import java.util.StringTokenizer; import java.util.TreeMap; public class AA { public static void main(String[] args) t...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.io.*; import java.util.*; public class TaskA { public static void main(String[] args) { new TaskA(System.in, System.out); } static class Solver implements Runnable { int n; String[] last, curr; BufferedReader in; PrintWriter out; void solve() throws IOException { n = Integer.parseIn...
linear
1000_A. Codehorses T-shirts
CODEFORCES
/* package codechef; // don't place package name! */ import java.util.*; import java.lang.*; import java.io.*; /* Name of the class has to be "Main" only if the class is public. */ public class Main { public static int n; public static int m; public static int k; public static int[][] right; publi...
cubic
1517_D. Explorer Space
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class Main implements Runnable { final static int mod = 1000000007; static FastReader sc; static PrintWriter out; static boolean test_case_input = true; static final int MAX = 1000000000; static final int MIN = -1000000000; ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.*; import java.util.*; public class Solution { private BufferedReader in; private PrintWriter out; private StringTokenizer st; static class House implements Comparable<House> { int x, a; @Override public int compareTo(House o) { return x - o.x; } public House(int x, int a) { thi...
nlogn
15_A. Cottage Village
CODEFORCES
import java.util.*; import java.io.*; public class DigitSequence { public static PrintWriter out; /** * @param args the command line arguments */ public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); ...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Scanner; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Round1B { public static void main(String[] args) throws Exception { new Round1B().run(); } private void run() throws Exception { BufferedReade...
linear
1_B. Spreadsheets
CODEFORCES
import java.util.*; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int[] arr = new int[n]; for (int i = 0; i < n; i++) { arr[i] = in.nextInt(); } Arrays.sort(arr); int cnt = 0...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.DataInputStream; import java.io.FileInputStream; import java.io.IOException; import java.io.PrintWriter; import java.util.StringTokenizer; public class PythonIndentiation { PrintWriter pw = new PrintWriter(System.out); final static boolean debugmode = true; public static int k = 7; // for 10^9 + k mo...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; import static java.util.Arrays.fill; import static java.lang.Math.*; import static java.util.Arrays.sort; import static java.util.Collections.sort; public class C35 { public static int mod = 1000000007; public static long INF = (1L << 60); static int n...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.util.StringTokenizer; public class Main11D { 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++){ ...
np
11_D. A Simple Task
CODEFORCES
import java.util.Scanner; import static java.lang.Math.*; import static java.lang.Integer.*; import static java.lang.Long.*; import static java.util.Arrays.*; public class A { public static void main(String[] args) { Scanner s = new Scanner(System.in); while (s.hasNext()) { int n = s.n...
linear
25_A. IQ test
CODEFORCES
import java.io.*; import java.security.SecureRandom; import java.util.*; import java.math.*; import java.awt.geom.*; import static java.lang.Math.*; public class Solution implements Runnable { public void solve() throws Exception { int n = sc.nextInt(); int a[] = new int[n]; ...
nlogn
160_A. Twins
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class Solution { BufferedReader in; PrintWriter out; StringTokenizer st; int[] x; int[] y; int n; int X, Y; int[] d; int[][] dist; int sqr(int a) { return a * a; } int dist(int X, i...
np
8_C. Looking for Order
CODEFORCES
//q4 import java.io.*; import java.util.*; import java.math.*; public class q4 { public static void main(String[] args) { Scanner in = new Scanner(System.in); int query = in.nextInt(); while (query -- > 0) { int n = in.nextInt(); int k = in.nextIn...
quadratic
1196_D2. RGB Substring (hard version)
CODEFORCES
import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.HashMap; import java.util.StringTokenizer; ...
np
8_C. Looking for Order
CODEFORCES
import java.util.*; public class init { static class p{ int i; int c; public p(int i,int c) { this.i=i;this.c=c; // TODO Auto-generated constructor stub } } static int mod=1000000007; public static void main(String[] args) { // TODO Auto-generated method stub Scanner s=new Scanner(System.in); int n=s.next...
quadratic
909_C. Python Indentation
CODEFORCES