CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:lompakkomies
Submission time:2022-11-01 12:21:16 +0200
Language:Java
Status:READY
Result:61
Feedback
groupverdictscore
#1ACCEPTED28
#2ACCEPTED33
#30
Test results
testverdicttimegroup
#1ACCEPTED0.13 s1, 2, 3details
#2ACCEPTED0.13 s1, 2, 3details
#3ACCEPTED0.13 s1, 2, 3details
#4ACCEPTED0.41 s2, 3details
#5ACCEPTED0.76 s2, 3details
#6ACCEPTED0.78 s2, 3details
#7--3details
#8--3details
#9--3details

Code

import java.util.Scanner;
import java.math.BigInteger;

public class Ruudukko {
    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);

        int n = scan.nextInt();

        int[][] arr = new int[n][n];
        Long[][] arr2 = new Long[n][n];

        for(int i = 0; i < n; i++) {
            for(int j = 0; j < n; j++) {
                arr[i][j] = scan.nextInt();
            }
        }

        for(int i = 0; i < n; i++) {
            for(int j = 0; j < n; j++) {
                arr2[i][j] = 1L;
            }
        }

        for(int i = 2; i <= n*n; i++) {
            for(int j = 0; j < n; j++) {
                for(int k = 0; k < n; k++) {
                    if(arr[j][k] == i) {
                        for(int l = 0; l < n; l++) {
                            if(arr[j][l] < i) {
                                arr2[j][k] = (arr2[j][k] + arr2[j][l])%1000000007;
                            }
                        }
                        for(int l = 0; l < n; l++) {
                            if(arr[l][k] < i) {
                                arr2[j][k] = (arr2[j][k] + arr2[l][k])%1000000007;
                            }
                        }
                    }
                }
            }
        }

        Long sum = 0L;

        for(int i = 0; i < n; i++) {
            for(int j = 0; j < n; j++) {
                sum = (sum + arr2[i][j])%1000000007;
            }
        }

        System.out.print(sum);
    }
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
1 1 1
1 1 1
1 1 1

correct output
9

user output
9

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
1 2 3
6 5 4
7 8 9

correct output
135

user output
135

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
7 8 1
4 5 4
3 9 6

correct output
57

user output
57

Test 4

Group: 2, 3

Verdict: ACCEPTED

input
100
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
10000

user output
10000

Test 5

Group: 2, 3

Verdict: ACCEPTED

input
100
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
187458477

user output
187458477

Test 6

Group: 2, 3

Verdict: ACCEPTED

input
100
2995 8734 1018 2513 7971 5063 ...

correct output
964692694

user output
964692694

Test 7

Group: 3

Verdict:

input
1000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
1000000

user output
(empty)

Test 8

Group: 3

Verdict:

input
1000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
229147081

user output
(empty)

Test 9

Group: 3

Verdict:

input
1000
520283 805991 492643 75254 527...

correct output
951147313

user output
(empty)