CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:Turtleb01
Submission time:2022-11-01 00:24:21 +0200
Language:Node.js
Status:READY
Result:28
Feedback
groupverdictscore
#1ACCEPTED28
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.11 s1, 2, 3details
#2ACCEPTED0.11 s1, 2, 3details
#3ACCEPTED0.11 s1, 2, 3details
#4ACCEPTED0.14 s2, 3details
#50.15 s2, 3details
#60.21 s2, 3details
#7--3details
#8--3details
#9--3details

Code

const { readSync } = require('fs');
const { Buffer } = require('buffer');


function readline() {
  let buf = Buffer.alloc(1000, 10);
  for(i=0; i<1000; i++) {
    if(!readSync(0, buf, i, 1) || buf[i]===10) {
      return buf.toString("utf8").split("\n")[0];
    }
  }
}

const n = Number(readline());

let buf = Buffer.alloc((String(n**2).length+1)*(n**2), 10);
readSync(0, buf);
const table = buf.toString("utf8").split("\n").filter(e=>e).map(e=>e.split(" ")).flat().map(e=>parseInt(e));
const paths = [];
const nummap = Array(n**2+1).fill().map(()=>[]);

table.forEach((e,i)=>nummap[e].push(i));

nummap.forEach((e,i)=>
  e.forEach(x=>{
    paths[x]=1;
    for(let y=0;y<n;y++) {
      if(table[x-x%n+y]<i) {
        paths[x]+=paths[x-x%n+y];
      }
      if(table[x%n+y*n]<i) {
        paths[x]+=paths[x%n+y*n];
      }
    }
  })
);

console.log((paths.reduce((v,e)=>v+BigInt(e),0n)%BigInt(1e9+7)).toString());

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:

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

correct output
187458477

user output
(empty)

Error:
/box/input/code.js:38
console.log((paths.reduce((v,e)=>v+BigInt(e),0n)%BigInt(1e9+7)).toSt...

Test 6

Group: 2, 3

Verdict:

input
100
2995 8734 1018 2513 7971 5063 ...

correct output
964692694

user output
147448512

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)