src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
import java.util.*; public class inversions { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int N = sc.nextInt(); int[] values = new int[N]; for(int i=0;i<N;i++){ values[i] = sc.nextInt(); } int query = sc.nextInt(); ...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.util.Scanner; public class Main { /** * @param args */ static long[] dx = new long[]{0, 1, 0, -1}; static long[] dy = new long[]{-1, 0, 1, 0}; public static void main(String[] args) { Scanner r = new Scanner(System.in); long N = r.nextLong(); long X = r.nextLong(); long Y = r.nextLong(...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.io.*; public class N72A { StreamTokenizer in; PrintWriter out; int nextInt() throws IOException { in.nextToken(); return (int) in.nval; } double nextDouble() throws IOException { in.nextToken(); return in.nval; } public void init() thro...
constant
84_A. Toy Army
CODEFORCES
import java.util.*; import java.io.*; public class Main { public static void main (String [] args) throws IOException { BufferedReader br = new BufferedReader (new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); int [] nums = new int[n]; args = br.readLine().s...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StreamTokenizer; public class Main { public static void main(String[] args) throws Exception { StreamTokenizer in = new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in))); ...
np
16_E. Fish
CODEFORCES
import java.util.*; import java.io.*; import static java.util.Arrays.*; import static java.lang.Math.*; import java.math.*; public class Main { void run() throws IOException { String s = token(); HashSet <String> h; int n = s.length(); int r = 0; loop: for (int i = 1; i...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.*; import java.text.*; import java.math.*; public class Main{ static double EPS=1e-10; static double PI=Math.acos(-1.0); static double p[][]=new double[25][25]; static double f[]=new double[1<<20]; static int n; public static void PR(String s){ Syst...
np
16_E. Fish
CODEFORCES
import java.util.Scanner; /* * To change this template, choose Tools | Templates * and open the template in the editor. */ /** * * @author madi */ public class Speadsheets { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = Integer.parseInt(sc.nextLine())...
linear
1_B. Spreadsheets
CODEFORCES
import java.lang.*; import java.util.*; import java.io.*; public class Main { void solve() { int n=ni(); int a[]=new int[n+1]; for(int i=1;i<=n;i++) a[i]=ni(); int vis[]=new int[101]; int ans=0; Arrays.sort(a,1,n+1); for(int i=1;i<=n;i++){ if(vis[a[i]]==1...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; public class CFDiv1 { FastScanner in; PrintWriter out; boolean canBe(int from, long curVal, long l, long r) { if (curVal > r) return false; for (int i = 0; i <= from; i++) curVal += 1L << i; if (curVal >= l) return true; return false; } long stupid(long l, ...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.util.Locale; import java.util.Scanner; public class E { public static void main(String[] args) { Locale.setDefault(Locale.US); Scanner sc = new Scanner(System.in); int n = sc.nextInt(); double[][]p = new double[n][n]; for (int i = 0; i < n; i++) { f...
np
16_E. Fish
CODEFORCES
import java.math.BigInteger; import java.util.ArrayList; import java.util.Collections; import java.util.GregorianCalendar; import java.util.Scanner; public class ProblemB { public static void main(String[] args) { Scanner s = new Scanner(System.in); int a = s.nextInt(); ...
constant
313_A. Ilya and Bank Account
CODEFORCES
import java.io.*; public class First { StreamTokenizer in; PrintWriter out; int nextInt() throws IOException { in.nextToken(); return (int)in.nval; } long nextLong() throws IOException { in.nextToken(); return (long) in.nval; } String nextString() throws ...
linear
1011_A. Stages
CODEFORCES
// https://codeforces.com/contest/1185/submission/55800229 (rainboy) import java.io.*; import java.util.*; public class CF1185G2 { static final int MD = 1000000007; static int[][] solve1(int[] aa, int t, int n) { int[][] da = new int[t + 1][n + 1]; da[0][0] = 1; for (int i = 0; i < n; i++) { int a = aa[i]; ...
cubic
1185_G2. Playlist for Polycarp (hard version)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.HashSet; import java.util.Set; public class ProblemC { public static void main(String[] args) throws IOException { BufferedReader s = new BufferedReader(...
np
8_C. Looking for Order
CODEFORCES
import java.util.*; import java.io.*; import java.math.BigInteger; public class Problem { static int mod = (int) (1e9+7); static InputReader in; static PrintWriter out; static int[] rt; static int[] size; static void initialize(int n){ rt = new int[n + 1]; size = new int[n + 1...
nlogn
915_F. Imbalance Value of a Tree
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class round159A { static BufferedReader br = new BufferedReader(new InputStreamReader( System.in)); static StringTokenizer st = new StringTokenizer(""); static int...
nlogn
257_A. Sockets
CODEFORCES
import java.util.*; import java.io.*; public class MotherOfDragons { public static void main(String[] args) { FastScanner scanner = new FastScanner(); PrintWriter out = new PrintWriter(System.out, false); int n = scanner.nextInt(); double k = scanner.nextInt(); long[] graph ...
np
839_E. Mother of Dragons
CODEFORCES
import java.io.*; import java.util.Scanner; public class abc{ public static int check(StringBuilder s) { int countRemove=0; if(!s.toString().contains("xxx")) return countRemove; else{ for(int i=1;i<s.length()-1;i++) { if(s.charAt(i-1)=='x' && s.charAt(i)=='x' && s.charA...
linear
978_B. File Name
CODEFORCES
import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws java.lang.Exception { BufferedReader kek = new BufferedReader(new InputStreamReader(System.in)); //Scanner skek = new Scanner(System.in); PrintWriter outkek = new PrintWriter(System.out); String[] inp...
np
8_C. Looking for Order
CODEFORCES
import java.awt.Point; import java.io.*; import java.math.BigInteger; import java.util.*; import static java.lang.Math.*; public class Solution35C { final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE")!=null; BufferedReader in; PrintWriter out; StringTokenizer tok =...
cubic
35_C. Fire Again
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.FilterInputStream; import java.io.BufferedInputStream; import java.util.ArrayList; import java.io.InputStream; /** * @author khokharnikunj8 */ public class Main { public static void mai...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.util.*; import java.io.*; public class aaaaaaaaaaaaaaaa { public void run() throws Exception { Scanner file = new Scanner(System.in); int a = file.nextInt(), b= file.nextInt(), c = file.nextInt(), n = file.nextInt(); a -= c; b -= c; if (a < 0 || b < 0) System.out.println(-1); else { int x =...
constant
991_A. If at first you don't succeed...
CODEFORCES
import java.io.*; import java.util.*; public class A { String line; void run()throws IOException{ BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); line = bf.readLine(); int i, j, len = line.length(), max=0; for(i=0; i<len; i++){ for(j=i; j<len; j++){ if(line.indexOf(line.s...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.*; import java.util.*; import java.util.concurrent.ThreadLocalRandom; @SuppressWarnings("Duplicates") public class solveLOL { FastScanner in; PrintWriter out; boolean systemIO = true, multitests = false; int INF = Integer.MAX_VALUE / 2; void solve() { int n = in.nextInt...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.lang.reflect.Array; import java.math.BigDecimal; import java.sql.Time; import java.util.*; import java.math.BigInteger; import static java.lang.Math.*; import static java.math.BigInteger.*; import static java.util.Arrays.*; public class Main{ void run(){ Locale.setDefault(...
cubic
387_D. George and Interesting Graph
CODEFORCES
import java.io.*; import java.math.BigDecimal; import java.math.BigInteger; import java.math.RoundingMode; import java.util.*; import java.util.Map.Entry; public class Main { private InputStream stream; private byte[] buf = new byte[1024]; private int curChar; private int numChars; private SpaceCharFilter filter;...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.util.Scanner; import java.io.OutputStream; import java.io.IOException; import java.io.PrintWriter; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * @author dy */ public class Main { public static void main(String[] args) { InputStream inputStre...
logn
287_B. Pipeline
CODEFORCES
import java.util.Scanner; public class Division { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int l = sc.nextInt(); String c = String.valueOf(l); if (String.valueOf(c).contains("0") || String.valueOf(c).contains("1") || String.valueOf(c).contains("2") || String.value...
constant
122_A. Lucky Division
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; import java.awt.Point; public class Main { static final long MOD = 1000000007L; //static final long MOD2 = 1000000009L; //static final long MOD = 998244353L; //static final long INF = 500000000000L; static final int INF = 1000000005; ...
cubic
1517_D. Explorer Space
CODEFORCES
import java.util.*; public class Temppp { public static void main(String[] args) { Scanner sc = new Scanner(System.in); long n = sc.nextLong(); long k = sc.nextLong(); long ans = (long) ((java.lang.Math.sqrt((9+(8*(n+k))))-3)/2); System.out.println(n-ans...
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.*; import java.io.*; public class MinimumDiameterTree{ public static void main(String[] args) { InputReader in = new InputReader (System.in); PrintWriter out = new PrintWriter (System.out); int n = in.nextInt(); int s = in.nextInt(); int deg[] = new int [n]; for (int i = 1; i < n; ++i) { ...
linear
1086_B. Minimum Diameter Tree
CODEFORCES
import java.util.Scanner; public class Sasha1113A { static int solution(int n, int v){ int count; if(v>=n) return n-1; else{ count = (v-1) + ((n-v)*(n-v+1))/2; } return count; } public static v...
constant
1113_A. Sasha and His Trip
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...
cubic
1517_D. Explorer Space
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...
quadratic
911_D. Inversion Counting
CODEFORCES
/* * Author Ayub Subhaniya * Institute DA-IICT */ import java.io.*; import java.math.*; import java.util.*; public class A { InputStream in; PrintWriter out; void solve() { int n=ni(); int a[]=na(n); int INV=0; for (int i=0;i<n;i++) for (int j=i+1;j<n;j++) if (a[i]>a[j]) INV++; boolea...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.util.*; public class Solution { public static void main(String[] args){ Scanner cin=new Scanner(System.in); int n=cin.nextInt(); if(n%4==0 || n%7==0 || n%44==0 || n%47==0 || n%74==0 || n%77==0 || n%444==0 || n%447==0 || n%474==0 || n%477==0 || n%744==0 || n%747==0...
constant
122_A. Lucky Division
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayDeque; import java.util.Arrays; import java.util.HashMap; import java.util.Queue; import java.util.StringTokenizer; public class CF268_TwoSets { public static void main(String[] args) { MyScanner in ...
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 C { static BufferedReader br; static StringTokenizer st; static PrintWriter pw; static String nextToken() { try { while (st == n...
cubic
1523_C. Compression and Expansion
CODEFORCES
/** p * @author prakhar28 * */ import java.io.*; import java.util.*; import java.util.Map.Entry; import java.text.*; import java.math.*; import java.util.regex.*; import java.io.IOException; import java.nio.file.Files; import java.nio.file.Paths; public class Main{ static class Reader { final priva...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.PrintWriter; import java.util.Scanner; public class FireAgain { Scanner in; PrintWriter out; public static void main(String[] args) throws IOException { // TODO Auto-generated method stub new FireAgain().run(); ...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.util.*; public class MainD { static final StdIn in = new StdIn(); static final PrintWriter out = new PrintWriter(System.out); static final long M=(long)1e9+7; static long[] fac, faci; public static void main(String[] args) { int n=in.nextInt(); fac = new long[n+1]; faci = new...
cubic
840_C. On the Bench
CODEFORCES
import java.awt.*; import java.math.BigDecimal; import java.math.BigInteger; import java.util.*; import java.util.List; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); long n = scanner.nextLong(); long x = scanner.nextLong(), y = scan...
constant
1075_A. The King's Race
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...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.*; import java.math.*; import static java.lang.Character.isDigit; import static java.lang.Character.isLowerCase; import static java.lang.Character.isUpperCase; import static java.lang.Math.*; import static java.math.BigInteger.*; import static java.util.Arrays.*; import static java.util.Collections.*; ...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.io.BufferedReader; import java.io.InputStream; import java.io.InputStreamReader; import java.io.IOException; import java.io.PrintWriter; import java.util.Arrays; import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.HashSet; import java.util.PriorityQueue; impo...
quadratic
909_C. Python Indentation
CODEFORCES
import java.util.Scanner; public class pillar { public static void main(String[] args) { Scanner sc=new Scanner(System.in); int n=sc.nextInt(); int a[]=new int[200005]; for (int i=1;i<=n;i++) a[i]=sc.nextInt(); for (int i=2;i<n;i++) if (a[i-1]>a[i]&&a[i]<a[i+1]) { System.out.println("NO"); retu...
linear
1197_B. Pillars
CODEFORCES
import java.util.*; public class test { static boolean isOK(String str, int len) { HashSet<String> hs=new HashSet<String>(); for(int i=0;i<=str.length()-len;i++) { String s=str.substring(i,len+i); if(hs.contains(s)) return true; else hs.add(s); } return false; } public ...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class A { public static void main(String[] args) throws IOException { BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); String s = in.readLine(); for (int i = s.leng...
cubic
23_A. You're Given a String...
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 CF1185G2 { static final int MD = 1000000007; static int[][] solve1(int[] aa, int t, int n) { int[][] da = new int[t + 1][n + 1]; da[0][0] = 1; for (int i = 0; i < n; i++) { int a = aa[i]; for (int s = t - 1; s >= 0; s--) for (int m = 0; m < n; m++) {...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
/** * ******* Created by bla on 14/9/19 6:17 PM******* */ import java.io.*; import java.util.*; public class A1209 { public static void main(String[] args) throws IOException { try (Input input = new StandardInput(); PrintWriter writer = new PrintWriter(System.out)) { int n = input.nextInt()...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.IOException; import java.io.InputStream; import java.util.InputMismatchException; public class ques3 { static class InputReader { private InputStream stream; private byte[] buf = new byte[1024]; private int curChar; private int numChars; private SpaceCharFilter f...
logn
817_C. Really Big Numbers
CODEFORCES
import java.math.*; import java.util.*; import java.io.*; public class Test5 { public static void main(String[] z){ StreamTokenizer st = new StreamTokenizer(new InputStreamReader(System.in)); PrintWriter pw = new PrintWriter(System.out); Scanner s = new Scanner(System.in); int a =...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.io.File; import java.io.FileNotFoundException; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Scanner; public class Main { public static void main(String[] args) throws FileNotFoundException { Scanner sc = new Scanner(new File("input.txt")); PrintWriter out = new PrintWriter(...
cubic
35_C. Fire Again
CODEFORCES
import java.util.*; public class helloWorld { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int m = in.nextInt(); int[] ar = new int[200]; String str = in.next(); for(int i = 0; i < str.length(); i++) ar[ str.charAt(i) ]++; int ans = 1...
linear
1038_A. Equality
CODEFORCES
import java.math.BigInteger; import java.util.*; import java.util.stream.Collectors; import java.util.stream.IntStream; import java.util.stream.Stream; public class Practice { public static void main(String []args) { Scanner sc=new Scanner(System.in); int n=sc.nextInt(); sc.nextLine(); String s...
linear
976_A. Minimum Binary Number
CODEFORCES
import java.util.*; import java.io.*; public class Main { public static void main(String[] args) throws Exception { new Solver().run(1); } } class Solver { private BufferedReader reader = null; private StringTokenizer st = null; private static final long MOD = (long)1e9 + 7; private ...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.util.*; public class C { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n, r; n = scan.nextInt(); r = scan.nextInt(); int[] locs = new int[n]; for (int i = 0; i < n; i++) { locs[i] = scan.nextInt(); ...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.*; import java.io.*; public class cf1497_Div2_E2 { static int[] spf; public static int factor(int n) { int val = 1; while (n > 1) { int cnt = 0; int p = spf[n]; while (n % p == 0) { cnt++; n /= p; } if (cnt % 2 == 1) val *= p; } return val; } public static vo...
cubic
1497E2
CODEFORCES
// No sorcery shall prevail. // import java.util.*; import java.io.*; public class InVoker { //Variables static long mod = 1000000007; static long mod2 = 998244353; static FastReader inp= new FastReader(); static PrintWriter out= new PrintWriter(System.out); public static void main(String args[]) { ...
np
1238_E. Keyboard Purchase
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; import static java.util.Arrays.*; public class cf1141f2_2 { public static void main(String[] args) throws IOException { int n = ri(), a[] = ria(n), pre[] = new int[n + 1]; for (int i = 0; i < n; ++i) { pre[i + 1] = ...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.util.List; import java.io.InputStreamReader; import java.io.IOException; import java.util.Arrays; import java.util.InputMismatchException; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.Random; import java.io.Reader; import java.io.Writer; import jav...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; import static java.lang.Math.PI; import static java.lang.System.in; import static java.lang.System.out; import static java.lang.System.err; /* 11 1 1 1 2 2 1 2 1 2 2 3 */ public class C { static public void main(String... args) throws Exception ...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.PrintWriter; import java.util.*; public class Main{ public static void main(String[] args) { Scanner sc=new Scanner(System.in); PrintWriter out=new PrintWriter(System.out); int n=sc.nextInt(); int a[]=new int[n]; for (int i = 0; i <n ; i++) { a[i]...
quadratic
1141_F2. Same Sum Blocks (Hard)
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.Random; import java.util.StringTokenizer; im...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class A { public static void main(String[] args) { new A().run(); } private void run() { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = sc.nextInt(); Arrays.sort(a); int...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.util.*; public class A{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); TreeSet<Integer> v = new TreeSet<Integer>(); for(int i=0;i<n;i++) v.add(sc.nextInt()); Iterator<Integer> it = v.iterator(); it.next(...
nlogn
22_A. Second Order Statistics
CODEFORCES
import java.io.*; import java.util.*; public class AMain { static int n; static int[] best; static int[][] dist; static int[] home; static LinkedList<Integer> ret; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokeni...
np
8_C. Looking for Order
CODEFORCES
import java.util.*; import java.io.*; public class E { public static void main(String[] args) { FastScanner scanner = new FastScanner(); PrintWriter out = new PrintWriter(System.out, false); int t = scanner.nextInt(); while(t-->0) { int n = scanner.nextInt(); ...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.util.*; import java.io.*; public class SolutionC{ public static void main(String[] args) throws Exception{ Scanner sc = new Scanner(new File("input.txt")); PrintWriter output = new PrintWriter("output.txt"); int N = sc.nextInt(); int M = sc.nextInt(); int K = sc.nextInt(); int[] x = new int[K]...
cubic
35_C. Fire Again
CODEFORCES
import java.util.*; import java.io.*; public class A0023 { public static void main(String args[]) throws Exception { new A0023(); } A0023() throws Exception { PandaScanner sc = null; PrintWriter out = null; try { sc = new PandaScanner(System.in); ou...
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.util.HashSet; import java.util.Set; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in Actual solution is at the ...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.io.BufferedReader; import java.io.File; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.Collections; public class Problem1 { public static void main(String[] args) throws IOException { // TODO Auto-generated method stub B...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; public class theyareeverywhere { public static void main(String[] args) throws Exception { BufferedReader r = new BufferedReader(new InputStreamReader(System.in)); PrintWriter w = new PrintWriter(System.o...
linear
701_C. They Are Everywhere
CODEFORCES
/* * UMANG PANCHAL * DAIICT */ import java.util.*; import java.io.*; import java.math.*; import java.util.Comparator; public class Main { private static final Comparator<? super Integer> Comparator = null; static LinkedList<Integer> adj[]; static ArrayList<Integer> adj1[]; static int[] color,visited1; stati...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.util.*; import java.io.*; public class C { static long time = System.currentTimeMillis(); public static void main(String[] args) throws IOException { //FastReader infile = new FastReader("test.txt"); FastReader infile = new FastReader(System.in); int N = infile.nextInt(); in...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.*; import java.io.*; public class Solve{ public static void main(String[] args) throws Exception{ Scanner sc=new Scanner(System.in); PrintWriter out =new PrintWriter(System.out); int size=(int)1e7+1; int[] pr=new int[size]; for(int i=0;i<size;i++){ ...
cubic
1497E2
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class Success { /** * @param args */ public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int a = scan.nextInt(); int b=scan.nextInt(); int[] t=new int[n]; for(int i=0;i<n;i++) { t[i]=s...
nlogn
169_A. Chores
CODEFORCES
import java.io.*; import java.text.DecimalFormat; import java.util.*; public class Main { public static final DecimalFormat DF_3 = new DecimalFormat("0.000"); private static final long MOD = 1000000007; static int[] readArray(int size, InputReader in, boolean subOne) { int[] a = new int[size]; ...
cubic
1515_E. Phoenix and Computers
CODEFORCES
//package contese_476; import java.util.*; public class q1 { int m=(int)1e9+7; public class Node { int a; int b; public void Node(int a,int b) { this.a=a; this.b=b; } } public int mul(int a ,int b) { a=a%m; b=b%m; return((a*b)%m); } public int pow(int a,int b) { int x=1; while(b>0) { if(b%2!=0) x=mul...
linear
1013_B. And
CODEFORCES
import java.util.*; import java.io.*; public class LCMChallenge { public static void main(String[] args) { Scanner cin = new Scanner(System.in); int n = cin.nextInt(); if (n < 3) { System.out.println(n); } else if (n % 2 == 1) { System.out.println((long) n * ...
constant
235_A. LCM Challenge
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.*; // Petya and Spiders // 2012/08/15 public class P111C{ Scanner sc=new Scanner(System.in); int INF=1<<28; double EPS=1e-9; int h, w...
np
111_C. Petya and Spiders
CODEFORCES
//package educational.round23; 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 C3 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { long n ...
logn
817_C. Really Big Numbers
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; public class a { public static void main(String args[])throws IOException{ BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); OutputStream out=new BufferedOutputStream(System.out); String s[]=br.readLine().trim().split("\...
logn
817_C. Really Big Numbers
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.OutputStream; import java.io.PrintWriter; import java.util.Map; import java.util.StringTokenizer; ...
constant
1080_C. Masha and two friends
CODEFORCES
import java.io.*; public class n5D { public static void main(String[] args) { double a = 0, v = 0, l = 0, d = 0, w = 0; try { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String[] str = br.readLine().split(" "); a = Double...
constant
5_D. Follow Traffic Rules
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 OlyaAndMagicalSquare { void solve() { long[] dp = new long[32]; dp[0] = 0; for (int i = 1; i < 32...
logn
1080_D. Olya and magical square
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...
cubic
1517_D. Explorer Space
CODEFORCES
/* If you want to aim high, aim high Don't let that studying and grades consume you Just live life young ****************************** If I'm the sun, you're the moon Because when I go up, you go down ******************************* I'm working for the day I will surpass you https://www.a2oj.com/Ladder16.html */ impor...
np
112_E. Petya and Spiders
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; public class C { void solve(){ int n = readInt(); int q = readInt(); int max = 0; int[] a = new int[n]; Deque<Integer> deque = new ArrayDeque<>(); for(int i ...
linear
1180_C. Valeriy and Deque
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner reader = new Scanner(System.in); int n = reader.nextInt(); long d = reader.nextLong(); int[] a = new int[n]; for(int i = 0; i < n; i++) a[i] ...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.io.OutputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.FileInputStream; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.io.InputStreamReader; import java.util.StringTokenizer; import java.io.BufferedReader; import java.util.A...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.util.*; public final class PythonIndentation { public static void main(String[] args) { new PythonIndentation(System.in, System.out); } static class Solver implements Runnable { static final int MOD = (int) 1e9 + 7; int n; char[] arr; long[][] dp; BufferedReader in; Pr...
quadratic
909_C. Python Indentation
CODEFORCES
//Educational Codeforces Round 34 import java.io.*; import java.util.*; import java.math.*; public class TaskD { public static void main (String[] args) throws IOException { FastScanner fs = new FastScanner(System.in); PrintWriter pw = new PrintWriter(new BufferedOutputStream(System.out)); ...
nlogn
903_D. Almost Difference
CODEFORCES
import java.util.*; import java.math.*; public class Counterexample { public static void main(String[] args) { System.out.println(new Counterexample().solve()); } String solve() { Scanner sc = new Scanner(System.in); final long l = sc.nextLong(); final long r = sc.nextLong...
constant
483_A. Counterexample
CODEFORCES
import java.io.IOException; import java.util.Arrays; import java.util.InputMismatchException; import java.util.Comparator; import java.io.OutputStream; import java.io.PrintWriter; import java.io.Writer; import java.math.BigInteger; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at...
nlogn
166_A. Rank List
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...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.io.IOException; import java.io.OutputStreamWriter; import java.io.BufferedWriter; import java.util.InputMismatchException; import java.io.OutputStream; import java.io.PrintWriter; import java.util.NoSuchElementException; import java.io.Writer; import java.math.BigInteger; import java.io.InputStream; /** *...
constant
343_A. Rational Resistance
CODEFORCES
import java.io.*; import java.util.*; public class A { public static void main(String[] args) throws Exception { // TODO Auto-generated method stub BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); PrintWriter out = new PrintWriter(System.out); String s = bf.readLine(); out.println(25)...
constant
630_A. Again Twenty Five!
CODEFORCES