CSES - Datatähti 2015 loppu - Results
Submission details
Task:Lukujono
Sender:Kuha
Submission time:2015-01-29 13:27:45
Language:Java
Status:READY
Result:16
Feedback
groupverdictscore
#1ACCEPTED16
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.07 s1details
#2ACCEPTED0.11 s1details
#3ACCEPTED0.07 s1details
#4ACCEPTED0.11 s1details
#5ACCEPTED0.11 s1details
#6ACCEPTED0.09 s1details
#7ACCEPTED0.06 s1details
#8ACCEPTED0.08 s1details
#9--2details
#10--2details
#11--2details
#12--2details
#13--2details
#14--2details
#15--2details
#16--2details
#170.16 s3details
#180.15 s3details
#190.15 s3details
#200.15 s3details
#210.12 s3details
#220.17 s3details
#230.13 s3details
#240.15 s3details

Code

import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;

public class Main {
    public static void main(String[] args) {
        IO io = new IO();
        
        int n = io.nextInt();
        long[] arr = new long[n + 1];
        arr[0] = 0;
        arr[1] = 1;
        
        for (int i = 2; i <= n; i++) {
            long l = 0;
            for (int x = 2; x <= i; x++) {
                l += arr[i / x];
            }
            arr[i] = l;
        }
        
        io.println(arr[n]);
        
        io.close();
    }
}

class IO extends PrintWriter {
	private InputStreamReader r;
	private static final int BUFSIZE = 1 << 15;
	private char[] buf;
	private int bufc;
	private int bufi;
	private StringBuilder sb;
	
	public IO() {
		super(new BufferedOutputStream(System.out));
		r = new InputStreamReader(System.in);
		
		buf = new char[BUFSIZE];
		bufc = 0;
		bufi = 0;
		sb = new StringBuilder();
	}
	
	private void fillBuf() throws IOException {
		bufi = 0;
		bufc = 0;
		while(bufc == 0) {
			bufc = r.read(buf, 0, BUFSIZE);
			if(bufc == -1) {
				bufc = 0;
				return;
			}
		}
	}
	
	private boolean pumpBuf() throws IOException {
		if(bufi == bufc) {
			fillBuf();
		}
		return bufc != 0;
	}
	
	private boolean isDelimiter(char c) {
		return c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == '\f';
	}
	
	private void eatDelimiters() throws IOException {
		while(true) {
			if(bufi == bufc) {
				fillBuf();
				if(bufc == 0) throw new RuntimeException("IO: Out of input.");
			}
			
			if(!isDelimiter(buf[bufi])) break;
			++bufi;
		}
	}
	
	public String next() {
		try {
			sb.setLength(0);
			
			eatDelimiters();
			int start = bufi;
			
			while(true) {
				if(bufi == bufc) {
					sb.append(buf, start, bufi - start);
					fillBuf();
					start = 0;
					if(bufc == 0) break;
				}
				
				if(isDelimiter(buf[bufi])) break;
				++bufi;
			}
			
			sb.append(buf, start, bufi - start);
			
			return sb.toString();
		} catch(IOException e) {
			throw new RuntimeException("IO.next: Caught IOException.");
		}
	}
	
	public int nextInt() {
		try {
			int ret = 0;
			
			eatDelimiters();
			
			boolean positive = true;
			if(buf[bufi] == '-') {
				++bufi;
				if(!pumpBuf()) throw new RuntimeException("IO.nextInt: Invalid int.");
				positive = false;
			}
			
			boolean first = true;
			while(true) {
				if(!pumpBuf()) break;
				if(isDelimiter(buf[bufi])) {
					if(first) throw new RuntimeException("IO.nextInt: Invalid int.");
					break;
				}
				first = false;
				
				if(buf[bufi] >= '0' && buf[bufi] <= '9') {
					if(ret < -214748364) throw new RuntimeException("IO.nextInt: Invalid int.");
					ret *= 10;
					ret -= (int)(buf[bufi] - '0');
					if(ret > 0) throw new RuntimeException("IO.nextInt: Invalid int.");
				} else {
					throw new RuntimeException("IO.nextInt: Invalid int.");
				}
				
				++bufi;
			}
			
			if(positive) {
				if(ret == -2147483648) throw new RuntimeException("IO.nextInt: Invalid int.");
				ret = -ret;
			}
			
			return ret;
		} catch(IOException e) {
			throw new RuntimeException("IO.nextInt: Caught IOException.");
		}
	}
	
	public long nextLong() {
		try {
			long ret = 0;
			
			eatDelimiters();
			
			boolean positive = true;
			if(buf[bufi] == '-') {
				++bufi;
				if(!pumpBuf()) throw new RuntimeException("IO.nextLong: Invalid long.");
				positive = false;
			}
			
			boolean first = true;
			while(true) {
				if(!pumpBuf()) break;
				if(isDelimiter(buf[bufi])) {
					if(first) throw new RuntimeException("IO.nextLong: Invalid long.");
					break;
				}
				first = false;
				
				if(buf[bufi] >= '0' && buf[bufi] <= '9') {
					if(ret < -922337203685477580L) throw new RuntimeException("IO.nextLong: Invalid long.");
					ret *= 10;
					ret -= (long)(buf[bufi] - '0');
					if(ret > 0) throw new RuntimeException("IO.nextLong: Invalid long.");
				} else {
					throw new RuntimeException("IO.nextLong: Invalid long.");
				}
				
				++bufi;
			}
			
			if(positive) {
				if(ret == -9223372036854775808L) throw new RuntimeException("IO.nextLong: Invalid long.");
				ret = -ret;
			}
			
			return ret;
		} catch(IOException e) {
			throw new RuntimeException("IO.nextLong: Caught IOException.");
		}
	}
	
	public double nextDouble() {
		return Double.parseDouble(next());
	}
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
542

correct output
11942

user output
11942

Test 2

Group: 1

Verdict: ACCEPTED

input
929

correct output
29913

user output
29913

Test 3

Group: 1

Verdict: ACCEPTED

input
801

correct output
23460

user output
23460

Test 4

Group: 1

Verdict: ACCEPTED

input
935

correct output
30006

user output
30006

Test 5

Group: 1

Verdict: ACCEPTED

input
998

correct output
33766

user output
33766

Test 6

Group: 1

Verdict: ACCEPTED

input
942

correct output
30490

user output
30490

Test 7

Group: 1

Verdict: ACCEPTED

input
736

correct output
20285

user output
20285

Test 8

Group: 1

Verdict: ACCEPTED

input
930

correct output
29975

user output
29975

Test 9

Group: 2

Verdict:

input
95404

correct output
90172356

user output
(empty)

Test 10

Group: 2

Verdict:

input
98060

correct output
94687572

user output
(empty)

Test 11

Group: 2

Verdict:

input
69495

correct output
52308390

user output
(empty)

Test 12

Group: 2

Verdict:

input
92197

correct output
85306979

user output
(empty)

Test 13

Group: 2

Verdict:

input
53418

correct output
32957881

user output
(empty)

Test 14

Group: 2

Verdict:

input
97377

correct output
93859995

user output
(empty)

Test 15

Group: 2

Verdict:

input
68065

correct output
50223001

user output
(empty)

Test 16

Group: 2

Verdict:

input
95463

correct output
90201672

user output
(empty)

Test 17

Group: 3

Verdict:

input
74323456

correct output
8975396101231

user output
(empty)

Error:
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
	at Main.main(Main.java:11)

Test 18

Group: 3

Verdict:

input
92132055

correct output
13006378374515

user output
(empty)

Error:
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
	at Main.main(Main.java:11)

Test 19

Group: 3

Verdict:

input
55135704

correct output
5354656932672

user output
(empty)

Error:
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
	at Main.main(Main.java:11)

Test 20

Group: 3

Verdict:

input
98613338

correct output
14631125716007

user output
(empty)

Error:
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
	at Main.main(Main.java:11)

Test 21

Group: 3

Verdict:

input
75558302

correct output
9238208186405

user output
(empty)

Error:
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
	at Main.main(Main.java:11)

Test 22

Group: 3

Verdict:

input
94968034

correct output
13713914468591

user output
(empty)

Error:
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
	at Main.main(Main.java:11)

Test 23

Group: 3

Verdict:

input
52163652

correct output
4858985762438

user output
(empty)

Error:
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
	at Main.main(Main.java:11)

Test 24

Group: 3

Verdict:

input
94830583

correct output
13674294022172

user output
(empty)

Error:
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
	at Main.main(Main.java:11)