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 C implements Runnable { BufferedReader in; PrintWriter out; StringTokenizer st; Random rnd; short[] qx, qy; boolean[][] used; final int[] dx = {1, -1, 0, 0}; final int[] dy = {0, 0, 1, -1}; void solve() throws IOException { int n = n...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.util.*; import static java.lang.Math.*; public class Code implements Runnable { public static void main(String[] args) throws IOException { new Thread(new Code()).start(); } private void solve() throws IOException { int n = nextInt(), m = nextInt(); ...
np
112_E. Petya and Spiders
CODEFORCES
import java.util.*; import java.io.*; public class E584 { public static void main(String[] args) { MyScanner sc = new MyScanner(); PrintWriter out = new PrintWriter(new BufferedOutputStream(System.out)); int t = sc.nextInt(); while (t > 0) { int n = sc.nextInt(); int m = ...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.util.Scanner; public class C344C { public static void main(String[] args) { Scanner sc = new Scanner(System.in); long a = sc.nextLong(); long b = sc.nextLong(); long count = a / b, c; a = a % b; while(true){ if (a <= 1 || b <= 1) break; c = b - a; b = a; a = c; count++; if ...
constant
343_A. Rational Resistance
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class Main { public static Scanner scan = new Scanner(System.in); public static boolean bg = true; public static void main(String[] args) throws Exception { long n1 = Integer.parseInt(scan.next()); if (n1==1){ Sys...
constant
235_A. LCM Challenge
CODEFORCES
//package Round584; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; public class typeA { public static void main(String[] args) { FastReader s = new FastReader(); int n = s.nextInt(); int[] arr = new int[n]; for(int i=0;i<n;i++) { arr[i]=s.nex...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.*; public class PC1229 { public static void main(String[] args){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int r = sc.nextInt(); int[] x = new int[n]; for(int i = 0; i < n; i++){ x[i] = sc.nextInt(); } double[] ans = new double[n]; for(int i = 0; i < n; i++){ d...
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.io.Reader; import java.util.StringTokenizer; public class MotherOfDragons { public static void main(String[] args) { FastScanner scanner = new FastScanner(); PrintWri...
np
839_E. Mother of Dragons
CODEFORCES
//package round17; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StreamTokenizer; public class A { static StreamTokenizer in = new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in))); static int nextInt(...
linear
17_A. Noldbach problem
CODEFORCES
import java.util.*; public class A { Scanner in = new Scanner(System.in); public class Houses implements Comparable<Houses>{ double x; double a; public Houses(double xVal, double aVal){ x = xVal-aVal/2; a = aVal; } @Override public int compareTo(Houses o) { return (int) (x - o.x); } } ...
nlogn
15_A. Cottage Village
CODEFORCES
import java.util.*; import java.lang.*; import java.math.*; import java.io.*; public class Main { public static void deal(int n,int m,int k,int[][] d1,int[][] d2) { if(k % 2 == 1) { for(int i=0;i<n;i++) { for(int j=0;j<m;j++) { System.out.print("-1 "); ...
cubic
1517_D. Explorer Space
CODEFORCES
import java.io.*; import java.util.*; public class A{ public static BufferedReader k; public static BufferedWriter z; public static void main(String [] args)throws IOException{ k = new BufferedReader(new InputStreamReader(System.in)); z = new BufferedWriter(new OutputStreamWriter(System.out)); ...
constant
483_A. Counterexample
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.*; import java.util.*; public class CottageVillage { public Scanner in = new Scanner(System.in); public PrintStream out = System.out; public int n, t; public Pair[] v; public void main() { n = in.nextInt(); t = in.nextInt(); int i; v = new Pair[n]; for(i=0;i<n;++i) v[i] = new Pair...
nlogn
15_A. Cottage Village
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.*; import java.io.*; import java.text.*; import java.math.*; import static java.lang.Integer.*; import static java.lang.Double.*; import java.lang.Math.*; public class two_squares { public static void main(String[] args) throws Exception { new two_squares().run(); } public void run() throws Exc...
constant
994_C. Two Squares
CODEFORCES
import java.io.*; import java.io.IOException; import java.util.Iterator; import java.util.LinkedList; import java.util.Queue; import java.util.Scanner; import java.util.Stack; import java.util.TreeSet; public class ViewAngle{ private static int V,level[][],count=-1,lev_dfs[],degree=0,no_vert_conn_comp=0; ...
cubic
35_C. Fire Again
CODEFORCES
import java.awt.Point; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.PrintStream; import java.util.HashSet; import java.util.LinkedList; import java.util.Queue; import java.util.Scanner; public class FireAgain { Point coordinate; Queue<Point> q = new Linke...
cubic
35_C. Fire Again
CODEFORCES
import java.util.*; import java.io.*; public class C { static InputReader in = new InputReader(System.in); static PrintWriter out = new PrintWriter(System.out); public static void main(String[] args) { int n = in.nextInt(); int[] sol = new int[n]; sol[0] = 1; int mod = 1000000007; int ma...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.StringTokenizer; public class Main { public static void main(String args[]) { InputStream intputStream = System.in; Out...
constant
630_A. Again Twenty Five!
CODEFORCES
import java.util.*; import java.io.*; public class A { public static void main(String ar[]) throws Exception { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); String s1[]=br.readLine().split(" "); int n=Integer.parseInt(s1[0]); long x=L...
nlogn
1061_D. TV Shows
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.util.Iterator; import java.io.BufferedWriter; import java.util.InputMismatchException; import java.io.IOException; import java.io.Writer; imp...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.awt.Point; import java.util.Arrays; import java.util.Scanner; public class C { static int[] DP; static Point[] Next; static int[][] pair; static int[] single; static int n; public static int get(int mask) { if (mask + 1 == (1 << n)) return 0; if (DP[mas...
np
8_C. Looking for Order
CODEFORCES
//package com.krakn.CF.D1159; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n, k; n = sc.nextInt(); k = sc.nextInt(); int a = (n - k) / 2; StringBuilder s = new StringBuilder(); ...
linear
1159_D. The minimal unique substring
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class A { static class Scanner{ BufferedReader br=null; StringTokenizer tk=null; public Scanner(){ br=new BufferedReader(new InputStreamReader(Syst...
nlogn
257_A. Sockets
CODEFORCES
import java.io.*; public class Main { public static void main(String []args)throws Exception { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); int n=0; n=Integer.parseInt(br.readLine()); String inp=""; inp=br.readLine(); int no[]=new int[...
linear
25_A. IQ test
CODEFORCES
/** * * @author bossbelik */ import java.io.*; import java.util.*; import java.math.*; public class Main{ static long N = 100; static long CNT = 62; static long INF = 1 << 62; static long parsenum(long j, long l) { String k = ""; long cur = 0; for (int i = (int) j; i <= l;...
np
839_E. Mother of Dragons
CODEFORCES
import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.lang.reflect.Array; import java.math.BigDecimal; import java...
nlogn
160_A. Twins
CODEFORCES
import java.util.HashSet; import java.util.Scanner; import java.util.Set; public class P023A { public static void main(String[] args) { Scanner inScanner = new Scanner(System.in); String string = inScanner.next(); int n = string.length(); for (int l = n - 1; l > 0; l--) { ...
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.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual soluti...
np
1209_E1. Rotate Columns (easy version)
CODEFORCES
import java.util.*; public class A { public static void main(String args[]){ Scanner in = new Scanner(System.in); int n=in.nextInt(),s=0; int[] a= new int[n]; for (int i=0;i<n;i++) {a[i]=in.nextInt(); s+=a[i];} Arrays.sort(a); int k=0,ans=0; for (int i=n-1;i>=0;i--) if (k<=s/2) {k+=a[i];ans++;} System.ou...
nlogn
160_A. Twins
CODEFORCES
import java.util.Scanner; /** * * @author msagimbekov */ public class Codeforces908C { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int r = sc.nextInt(); int[] x = new int[n]; double[] res = new double[n]; fo...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.util.*; public class F2 { private static int n; private static int[] a; private static Collection<Segment> answer; public static void main(String[] args) { in(); solution(); out(); } private static void in() { Scanner in = new Scanner(System.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.Arrays; import java.util.Scanner; /** * Built using CHelper plug-in * Actual solution is at the top */ public class Main { public static void main(String[] args) { InputStrea...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.Scanner; public class sub { public static void main(String[] args) { Scanner in = new Scanner(System.in); int num = in.nextInt(); while(num-->0) { int a = in.nextInt(); int b = in.nextInt(); int res = 0; while(a!=0 && b!=0) { if(a>=b) { res += a/b; a %= b; } els...
constant
267_A. Subtractions
CODEFORCES
import java.util.Scanner; public class LuckySubstring { static int[] luck; public static void main(String[] args) { Scanner s = new Scanner(System.in); int n = s.nextInt(); int i = -1; boolean ehLuck = false; preencheLucky(); while (n >= luck[+...
constant
122_A. Lucky Division
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...
quadratic
980_C. Posterized
CODEFORCES
import java.io.BufferedWriter; import java.io.File; import java.io.FileWriter; import java.io.IOException; import java.io.OutputStreamWriter; import java.util.LinkedList; import java.util.Queue; import java.util.Scanner; public class Main { public static void main(String args[]) throws IOException { File f = new Fi...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.util.*; public class C { private static boolean marked[][] ; public static void main(String[] args) throws Exception { // BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); // InputStream inputStream = System.in; // Outp...
cubic
35_C. Fire Again
CODEFORCES
import java.util.*; public class algo_1802 { public static void main(String args[]) { Scanner ex=new Scanner(System.in); int n=ex.nextInt(); int k=ex.nextInt(); int x=(int)((Math.sqrt(9.0+8.0*((double)n+(double)k))-3.0)/2.0); System.out.println(n-x); } }
logn
1195_B. Sport Mafia
CODEFORCES
import java.util.Scanner; public class Main { /** * @param args */ public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] nums = new int[n]; int kisu = 0; int gusu = 0; for(int i = 0 ; i < n ; i++){ ...
linear
25_A. IQ test
CODEFORCES
import java.util.*; import java.io.*; import java.util.regex.*; public class Codeforces{ static class MyScanner{ BufferedReader br; StringTokenizer st; MyScanner(FileReader fileReader){ br = new BufferedReader(fileReader); } MyScanner(){ br = new BufferedReader(new InputStreamReader(System.in)...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.util.InputMismatchException; import java.io.*; import java.util.Vector; import java.util.Collections; import java.util.Arrays; /** * Generated by Contest helper plug-in * Actual solution is at the bottom */ public class Main { public static void main(String[] args) { InputReader in = new Str...
np
8_C. Looking for Order
CODEFORCES
import java.io.*; import java.util.*; public class CODEFORCES { @SuppressWarnings("rawtypes") static InputReader in; static PrintWriter out; static void solve() { int n = in.ni(); int arr[] = new int[n]; for (int i = 0; i < n; i++) arr[i] = in.ni(); int cnt = 0; for (int i = 0; i < n; i++) { fo...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.io.Reader; import java.util.Arrays; import java.util.InputMismatchException; import java.util.ArrayList; import java.io.InputStream; import java.io.InputStreamReader; import java.io.BufferedReader; import java.util.List; import java.io.OutputStream; import java.io.PrintWriter; import java.io.Writer; import ...
cubic
387_D. George and Interesting Graph
CODEFORCES
import java.util.*; public class Main{ private static final int MAX_SIZE = 100005; public static void main(String args[]){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m = sc.nextInt(); int a = sc.nextInt(); int b = sc.nextInt(); if(((m + 1) / ...
linear
967_A. Mind the Gap
CODEFORCES
import java.awt.Point; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.HashSet; import java.util.StringTokenizer; import static java.lang.Math.*; import static java.lang.Integer.*; import static java.lang.Long.*; import static java.lang.Character.*; import s...
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.PrintWriter; import java.util.InputMismatchException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * @author George Marcus */ public class Main { public static void main(String[] args) { Inpu...
linear
224_B. Array
CODEFORCES
import java.util.Scanner; public class Main{ public static void main(String args[]){ Scanner in = new Scanner(System.in); int T = in.nextInt(); while(T!=0){ T--; int a = in.nextInt(); int b = in.nextInt(); int ans=0; while(a>0&&b>...
constant
267_A. Subtractions
CODEFORCES
import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; 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.HashMap; import java.util.HashSet; import ja...
constant
915_B. Browser
CODEFORCES
import java.util.*; import java.io.*; import java.text.*; public class CF_1515_B{ //SOLUTION BEGIN void pre() throws Exception{} void solve(int TC) throws Exception{ long N = nl(); if(N%2 == 1){ pn("NO"); return; } N /= 2; boolean yes = ps(N)...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; public class Main{ static class FastScanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenize...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.math.BigInteger; import java.util.*; /** * Created by IntelliJ IDEA. * User: piyushd * Date: 4/13/11 * Time: 8:07 PM * To change this template use File | Settings | File Templates. */ public class TaskA1 { void run(){ int n = nextInt(); int ans = 2 * n - (n / 2); System....
constant
84_A. Toy Army
CODEFORCES
import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class Main { public static void main(String [] args ) { try{ String str; BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); BufferedOutputStrea...
constant
313_A. Ilya and Bank Account
CODEFORCES
import java.io.*; 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 k = sc.nextInt(); TreeSet<Integer> bad = new TreeSet<>(); int a [] = new int [n...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.util.*; import java.io.*; import java.awt.Point; import java.math.BigDecimal; import java.math.BigInteger; import static java.lang.Math.*; // Solution is at the bottom of code public class B implements Runnable{ final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE") != null; BufferedReader...
linear
468_B. Two Sets
CODEFORCES
import java.io.*; import java.util.*; public class Main implements Runnable { class House implements Comparable<House> { int x; int a; public House(int x, int a) { this.x = x; this.a = a; } @Override public int compareTo(House other) { return x - other.x; } } // private void solution() thr...
nlogn
15_A. Cottage Village
CODEFORCES
import java.awt.*; import java.awt.geom.*; import java.io.*; import java.math.*; import java.text.*; import java.util.*; /* br = new BufferedReader(new FileReader("input.txt")); pw = new PrintWriter(new BufferedWriter(new FileWriter("output.txt"))); br = new BufferedReader(new InputStreamReader(System.in)); pw = new P...
constant
267_A. Subtractions
CODEFORCES
import java.io.*; import java.util.*; public class A { 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 { ntok(); ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Scanner; public class SolutionArch2 { public static void main(String[] args) { Scanner scanner = new Scann...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; public class Main { static int MOD = 1000000007; // After writing solution, quick scan for: // array out of bounds // special cases e.g. n=1? // npe, particularly in maps // // Big numbers arithmetic bugs: // in...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; imp...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.io.*; import java.math.BigInteger; import java.util.*; public class Main { public static void main(String[] args) throws Exception { InputReader in = new InputReader(System.in); int n = in.readInt(); int m = in.readInt(); int k = in.readInt(); long wrong = n - m...
logn
338_A. Quiz
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 = new int [n]; boolean []used = new boolean[n]; for (int i = 0; i < n; i++) { a[i] = sc.nextInt(); } Arrays.sort(a); int a...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.StringTokenizer; public class A125D2 { public static void main(String[] args) throws Exception { InputReader in = new InputReader(System.in); System.out.println(0 + " " + 0 + ...
constant
199_A. Hexadecimal's theorem
CODEFORCES
import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.*; public class D { static HashMap<Long, Integer> comp = new HashMap<Long, Integer>()...
nlogn
903_D. Almost Difference
CODEFORCES
import java.io.*; import java.util.*; public class practice { public static void main(String[] args) throws Exception { //Scanner in = new Scanner(new File("practice.in")); Scanner in = new Scanner(System.in); String str = in.nextLine(); long n = Long.parseLong(str.substring(0, str.indexOf(" "))); long m =...
constant
483_A. Counterexample
CODEFORCES
import java.util.*; public class ErrorCorrectSystem { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); String a = scan.next(); String b = scan.next(); int[][] mismatch = new int[26][26]; for(int i = 0; i < 26; i++) Arrays.fill(mismatch[i], -1); ...
linear
527_B. Error Correct System
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class AnnoyingPresent { //UPSOLVED public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String...
linear
1009_C. Annoying Present
CODEFORCES
//package codeforces; import java.io.PrintWriter; import java.util.*; public class codeforces { public static void main(String[] args) { PrintWriter out=new PrintWriter(System.out); Scanner s=new Scanner(System.in); int t=s.nextInt(); for(int tt=0;tt<t;tt++) { long n=s.nextInt(); long x=...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.HashMap; import java.util.LinkedList; import java.util.Map; import java.util.StringTokenizer; import javafx.util.Pair; public class Solve6 { public static void main(String[] ar...
quadratic
1141_F2. Same Sum Blocks (Hard)
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
import java.util.*; import java.io.*; public class EdE { static long[] mods = {1000000007, 998244353, 1000000009}; static long mod = mods[0]; public static MyScanner sc; public static PrintWriter out; static ArrayList<Integer> primes; public static void main(String[] omkar) throws Exception{ // TODO Auto-...
cubic
1497E2
CODEFORCES
import java.util.*; import java.lang.*; import java.math.*; import java.io.*; import static java.lang.Math.*; import static java.util.Arrays.*; public class C{ Scanner sc=new Scanner(System.in); int INF=1<<28; double EPS=1e-9; int n, m; void run(){ n=sc.nextInt(); m=sc.nextInt()...
np
111_C. 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 { try { if (new File("input.txt").exists()) { ...
linear
17_A. Noldbach problem
CODEFORCES
import java.util.Scanner; public class maestro{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); int N = sc.nextInt(); long mod = (long)Math.pow(10,9)+7; long[][] arr = new long[N][N]; arr[0][0]=1; for (int i=1;i<N;i++){ char c ...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.*; import java.util.*; public class cf { static class FastScanner { BufferedReader br; StringTokenizer st; public FastScanner() { try { br = new BufferedReader(new InputStreamReader(System.in)); st = new StringTokenizer(br.readLine()...
constant
964_A. Splits
CODEFORCES
import java.util.*; import java.text.*; import java.io.*; import java.math.*; public class code5 { InputStream is; PrintWriter out; static long mod=pow(10,9)+7; static int dx[]={0,0,1,-1},dy[]={1,-1,0,0}; String arr[]; long dp[][]; void solve() throws IOException { int n=ni(); arr=new String[n]; for(int i...
quadratic
909_C. Python Indentation
CODEFORCES
public class Main { public static void main(String[] args){ System.out.println("25"); } }
constant
630_A. Again Twenty Five!
CODEFORCES
import java.util.Scanner; import java.util.Vector; import java.util.HashMap; import java.util.Comparator; public class F2{ static class Pair{ int l; int r; Pair(int l, int r){ this.l = l; this.r = r; } public String toString(){ return "(" + l + ", " + r + ")"; } } public static void main(Strin...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.*; import java.util.*; public class CF { long getAns(long a, long b) { if (a == b) return 1; if (a < b) { return getAns(b, a); } // a > b long cnt = (a - 1) / b; return cnt + getAns(b, a - b * cnt); } void solve() { long a = in.nextLong(); long b = in.nextLong(); out.println...
constant
343_A. Rational Resistance
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.InputStreamReader; import java.io.IOException; import java.util.InputMismatchException; 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 plug-in * Actual solution ...
np
105_B. Dark Assembly
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
//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.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; public class Coder{ static class FastScanner{ BufferedReader s; StringTokenizer...
constant
267_A. Subtractions
CODEFORCES
import java.io.BufferedOutputStream; import java.io.IOException; import java.io.PrintWriter; import java.util.Scanner; public class Main implements Runnable { PrintWriter out; Scanner in; public static void main(String[] args) throws IOException { new Thread(new Main()).start(); } public...
constant
313_A. Ilya and Bank Account
CODEFORCES
import java.util.Scanner; public class Main{ public static void main(String[] args) { Scanner sc=new Scanner(System.in); while(sc.hasNext()) { int n=sc.nextInt(); String s=sc.next(); int sum=0; for(int i=0;i<s.length();i++) { if(s.charAt(i)=='+') { sum++; } if(s.charAt(i)=='-'&&sum!=0...
linear
1159_A. A pile of stones
CODEFORCES
import java.util.*; public class Main { static int n=5; static int[] arr=new int[5]; public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n=sc.nextInt(); int arr[]=new int[n]; for (int i=0;i<n;i++) { arr[i]=sc.nextInt(); ...
linear
1180_B. Nick and Array
CODEFORCES
import java.io.*; import java.util.*; public class Solution{ static class FastReader { BufferedReader br; StringTokenizer st; public FastReader() { br = new BufferedReader(new InputStreamReader(System.in)); } String next() ...
quadratic
1011_B. Planning The Expedition
CODEFORCES
import java.io.*; import java.util.*; import java.util.Map.Entry; public class Main { Scanner in; static PrintWriter out; static class Scanner { StreamTokenizer in; Scanner(InputStream is) { in = new StreamTokenizer(new BufferedReader(new InputStreamReader(is))); in.resetSyntax(); in.whitespac...
nlogn
274_A. k-Multiple Free Set
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...
constant
267_A. Subtractions
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class A { /** * @param args * @throws IOException * @throws NumberFormatException */ public static void main(String[] args) throws NumberFormatException, IOException { // TODO Auto-generated method stub ...
linear
25_A. IQ test
CODEFORCES
import java.io.*; import java.util.*; public class Main { Scanner cin = new Scanner(new BufferedInputStream(System.in)); long n; long maxlcm; void run(){ n = cin.nextInt(); if(n == 1 || n ==2) maxlcm = n; else if(n >= 3){ if(n % 2 != 0){ maxlcm = ...
constant
235_A. LCM Challenge
CODEFORCES
import java.util.Scanner; public class P_1177B { public static void main(String[] args) { Scanner scan = new Scanner(System.in); long k = scan.nextLong(); long k2 = k - 10; int cont = 1, pos; String out; //System.out.println(getString((int)k)); if(k <= 9) System.out.println(k); else { cont++; ...
logn
1177_B. Digits Sequence (Hard Edition)
CODEFORCES
import java.util.*; public class Beta15PA { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Beta15PA temp = new Beta15PA(); temp.solve(); } public void solve() { Scanner scan = new Scanner(System.in); int n = scan.nextInt(), t = scan.nextInt(); Ho...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.*; import java.util.*; import java.util.function.IntPredicate; import static java.lang.Math.*; public class Main { FastScanner in; PrintWriter out; static final String FILE = ""; public static final int TEST = 0; class Interact { Rect a, b; public Interact(int x1...
logn
713_B. Searching Rectangles
CODEFORCES
import java.util.Scanner; public class Test { private static long sum(long value) { long ans = 0; while (value > 0) { ans += value % 10; value /= 10; } return ans; } public static void main(String[] args) { Scanner scan = new Scanner(System.in); long n , s , ans = 0; n = scan.nextLong(); ...
logn
817_C. Really Big Numbers
CODEFORCES
import java.util.Scanner; /** * * @author igor_kz */ public class C46 { public static void main(String[] args) { Scanner in = new Scanner(System.in); int number = in.nextInt(); String s = in.next(); int cH = 0; int n = s.length(); for (int i = 0 ; i < n ; i++) ...
linear
46_C. Hamsters and Tigers
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 */ public cla...
nlogn
274_A. k-Multiple Free Set
CODEFORCES