CSES - Putka Open 2015 – 4/6

CSES - Putka Open 2015 – 4/6 - Results

Submission details
Task:	Taulukot
Sender:
Submission time:	2015-10-09 22:43:34 +0300
Language:	Java
Status:	READY
Result:	55

Feedback
group	verdict	score
#1	ACCEPTED	26
#2	ACCEPTED	29
#3	TIME LIMIT EXCEEDED	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.18 s	1	details
#2	ACCEPTED	0.18 s	1	details
#3	ACCEPTED	0.17 s	1	details
#4	ACCEPTED	0.19 s	1	details
#5	ACCEPTED	0.17 s	1	details
#6	ACCEPTED	0.17 s	2	details
#7	ACCEPTED	0.17 s	2	details
#8	ACCEPTED	0.17 s	2	details
#9	ACCEPTED	0.17 s	2	details
#10	ACCEPTED	0.16 s	2	details
#11	TIME LIMIT EXCEEDED	--	3	details
#12	TIME LIMIT EXCEEDED	--	3	details
#13	TIME LIMIT EXCEEDED	--	3	details
#14	TIME LIMIT EXCEEDED	--	3	details
#15	TIME LIMIT EXCEEDED	--	3	details

Code

//package alkuluvut;

import java.util.Arrays;

/**
 *
 * @author Adreno
 */
public class Alkuluvut {

    public static boolean[] tarkistettu;
    public static boolean[] onAlkuLuku;
            
    public static void main(String[] args) {
        IO io = new IO();
        int n = io.nextInt();
        tarkistettu = new boolean[n+n+5];
        onAlkuLuku = new boolean[n+n+5];
        boolean[] kaytetty = new boolean[n+1];
        int pointer = 0;
        int[] a = new int[n];
        int[] b = new int[n];
        for (int i=n; i>=1; i--) {
            if (kaytetty[i]) continue;
            for (int j=i; j>=1; j--) {
                if (kaytetty[j] || kaytetty[i]) continue;
                if (!onkoAlkuluku(i+j)) continue;
                kaytetty[i] = true;
                kaytetty[j] = true;
                if (pointer >= n) {
                    System.out.println("error pointer=" + pointer);
                    System.out.println("i=" + i + ", j=" + j);
                    System.out.println("a=" + Arrays.toString(a));
                    System.out.println("b=" + Arrays.toString(b));
                }
                a[pointer] = i;
                b[pointer] = j;
                pointer++;
                if (i == j) continue;
                a[pointer] = j;
                b[pointer] = i;
                pointer++;
            }
        }
        
        for (int i=0; i<n; i++) io.print(a[i] + " ");
        io.println();
        for (int i=0; i<n; i++) io.print(b[i] + " ");
        io.println();
        
        io.close();
    }
    
    public static boolean onkoAlkuluku(int a) {
        if (tarkistettu[a]) return onAlkuLuku[a];
        tarkistettu[a] = true;
        for (int i=2; i*i<=a; i++) {
            if (a%i == 0) return false;
        }
        onAlkuLuku[a] = true;
        return true;
    }
    
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
`1` view save

correct output
`1 1` view save

user output
`1 1` view save

Test 2

Group: 1

Verdict: ACCEPTED

input
`4` view save

correct output
`1 2 3 4 2 1 4 3` view save

user output
`4 3 2 1 3 4 1 2` view save

Test 3

Group: 1

Verdict: ACCEPTED

input
`5` view save

correct output
`1 2 3 4 5 1 5 4 3 2` view save

user output
`5 2 4 3 1 2 5 3 4 1` view save

Test 4

Group: 1

Verdict: ACCEPTED

input
`8` view save

correct output
`1 2 3 4 5 6 7 8 2 1 4 3 8 7 6 5` view save

user output
`8 5 7 6 4 3 2 1 5 8 6 7 3 4 1 2` view save

Test 5

Group: 1

Verdict: ACCEPTED

input
`9` view save

correct output
`1 2 3 4 5 6 7 8 9 1 5 4 3 2 7 6 9 8` view save

user output
`9 8 7 6 5 2 4 3 1 8 9 6 7 2 5 3 4 1` view save

Test 6

Group: 2

Verdict: ACCEPTED

input
`77` view save

correct output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`77 74 76 75 73 66 72 67 71 68 ...` view save

Test 7

Group: 2

Verdict: ACCEPTED

input
`70` view save

correct output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`70 69 68 63 67 64 66 65 62 51 ...` view save

Test 8

Group: 2

Verdict: ACCEPTED

input
`72` view save

correct output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`72 67 71 68 70 69 66 65 64 63 ...` view save

Test 9

Group: 2

Verdict: ACCEPTED

input
`86` view save

correct output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`86 81 85 82 84 83 80 77 79 78 ...` view save

Test 10

Group: 2

Verdict: ACCEPTED

input
`68` view save

correct output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`68 63 67 64 66 65 62 51 61 52 ...` view save

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`90764` view save

correct output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
(empty)

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`97976` view save

correct output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
(empty)

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`96762` view save

correct output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
(empty)

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`94823` view save

correct output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
(empty)

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`91479` view save

correct output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
(empty)

Putka Open 2015 – 4/6

Taulukot

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

Tasks

Submissions ()