CSES - Datatähti 2015 loppu

CSES - Datatähti 2015 loppu - Results

Submission details
Task:	Lukujono
Sender:	Kuha
Submission time:	2015-01-29 13:27:45 +0200
Language:	Java
Status:	READY
Result:	16

Feedback
group	verdict	score
#1	ACCEPTED	16
#2	TIME LIMIT EXCEEDED	0
#3	RUNTIME ERROR	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.07 s	1	details
#2	ACCEPTED	0.11 s	1	details
#3	ACCEPTED	0.07 s	1	details
#4	ACCEPTED	0.11 s	1	details
#5	ACCEPTED	0.11 s	1	details
#6	ACCEPTED	0.09 s	1	details
#7	ACCEPTED	0.06 s	1	details
#8	ACCEPTED	0.08 s	1	details
#9	TIME LIMIT EXCEEDED	--	2	details
#10	TIME LIMIT EXCEEDED	--	2	details
#11	TIME LIMIT EXCEEDED	--	2	details
#12	TIME LIMIT EXCEEDED	--	2	details
#13	TIME LIMIT EXCEEDED	--	2	details
#14	TIME LIMIT EXCEEDED	--	2	details
#15	TIME LIMIT EXCEEDED	--	2	details
#16	TIME LIMIT EXCEEDED	--	2	details
#17	RUNTIME ERROR	0.16 s	3	details
#18	RUNTIME ERROR	0.15 s	3	details
#19	RUNTIME ERROR	0.15 s	3	details
#20	RUNTIME ERROR	0.15 s	3	details
#21	RUNTIME ERROR	0.12 s	3	details
#22	RUNTIME ERROR	0.17 s	3	details
#23	RUNTIME ERROR	0.13 s	3	details
#24	RUNTIME ERROR	0.15 s	3	details

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` view save

correct output
`11942` view save

user output
`11942` view save

Test 2

Group: 1

Verdict: ACCEPTED

input
`929` view save

correct output
`29913` view save

user output
`29913` view save

Test 3

Group: 1

Verdict: ACCEPTED

input
`801` view save

correct output
`23460` view save

user output
`23460` view save

Test 4

Group: 1

Verdict: ACCEPTED

input
`935` view save

correct output
`30006` view save

user output
`30006` view save

Test 5

Group: 1

Verdict: ACCEPTED

input
`998` view save

correct output
`33766` view save

user output
`33766` view save

Test 6

Group: 1

Verdict: ACCEPTED

input
`942` view save

correct output
`30490` view save

user output
`30490` view save

Test 7

Group: 1

Verdict: ACCEPTED

input
`736` view save

correct output
`20285` view save

user output
`20285` view save

Test 8

Group: 1

Verdict: ACCEPTED

input
`930` view save

correct output
`29975` view save

user output
`29975` view save

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`95404` view save

correct output
`90172356` view save

user output
(empty)

Test 10

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`98060` view save

correct output
`94687572` view save

user output
(empty)

Test 11

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`69495` view save

correct output
`52308390` view save

user output
(empty)

Test 12

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`92197` view save

correct output
`85306979` view save

user output
(empty)

Test 13

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`53418` view save

correct output
`32957881` view save

user output
(empty)

Test 14

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`97377` view save

correct output
`93859995` view save

user output
(empty)

Test 15

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`68065` view save

correct output
`50223001` view save

user output
(empty)

Test 16

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`95463` view save

correct output
`90201672` view save

user output
(empty)

Test 17

Group: 3

Verdict: RUNTIME ERROR

input
`74323456` view save

correct output
`8975396101231` view save

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: RUNTIME ERROR

input
`92132055` view save

correct output
`13006378374515` view save

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: RUNTIME ERROR

input
`55135704` view save

correct output
`5354656932672` view save

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: RUNTIME ERROR

input
`98613338` view save

correct output
`14631125716007` view save

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: RUNTIME ERROR

input
`75558302` view save

correct output
`9238208186405` view save

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: RUNTIME ERROR

input
`94968034` view save

correct output
`13713914468591` view save

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: RUNTIME ERROR

input
`52163652` view save

correct output
`4858985762438` view save

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: RUNTIME ERROR

input
`94830583` view save

correct output
`13674294022172` view save

user output
(empty)

Error:

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

Datatähti 2015 loppu

Lukujono

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Tasks

Submissions (Kuha)