CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:Turtleb01
Submission time:2022-11-02 13:48:28 +0200
Language:Node.js
Status:READY
Result:61
Feedback
groupverdictscore
#1ACCEPTED28
#2ACCEPTED33
#30
Test results
testverdicttimegroup
#1ACCEPTED0.11 s1, 2, 3details
#2ACCEPTED0.11 s1, 2, 3details
#3ACCEPTED0.11 s1, 2, 3details
#4ACCEPTED0.14 s2, 3details
#5ACCEPTED0.15 s2, 3details
#6ACCEPTED0.15 s2, 3details
#7ACCEPTED0.84 s3details
#8ACCEPTED0.89 s3details
#9--3details

Code

const { readSync,readFileSync } = 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 mod = 1e9+7;
const n = Number(readline());
const tablestr = readFileSync(0,{encoding:"utf8"});
let table = [];
let itemstr = "";
for(let i=0; i<tablestr.length; i++) {
switch (tablestr[i]) {
case " ":
case "\n":
itemstr&&table.push(parseInt(itemstr));
itemstr="";
break;
default:
itemstr+=tablestr[i];
}
}
let nummap = Array(n**2+10).fill();
//const nummap = Array(n**2+10).fill().map(()=>[]);
//console.log(table.length);
table.forEach((e,i)=>nummap[e]?nummap[e].push(i):nummap[e]=[i]);
//table.forEach((e,i)=>nummap[e].push(i));
let paths = Array(n**2).fill(0);
let xpaths = Array(n).fill(0);
let ypaths = Array(n).fill(0);
let newxpaths = [];
let newypaths = [];
nummap.forEach((a,i)=>{
// if(!(i%1000)) console.log(i);
if(a) {
newxpaths = [];
newypaths = [];
a.forEach(e=>{
let x=e%n;
let y=e/n|0;
let b=(1+xpaths[x]+ypaths[y])%mod;
// console.log(i,b);
newxpaths.push([x,b]);
newypaths.push([y,b]);
paths[e]=b;
});
newxpaths.forEach(e=>xpaths[e[0]]+=e[1]);
newypaths.forEach(e=>ypaths[e[0]]+=e[1]);
// console.log(xpaths, ypaths);
}
});
console.log(paths.reduce((v,e)=>(v+e)%mod,0).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: 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: ACCEPTED

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

correct output
1000000

user output
1000000

Test 8

Group: 3

Verdict: ACCEPTED

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

correct output
229147081

user output
229147081

Test 9

Group: 3

Verdict:

input
1000
520283 805991 492643 75254 527...

correct output
951147313

user output
(empty)