Submission details
Task:Peli
Sender:asonnine
Submission time:2026-01-17 15:40:20 +0200
Language:Rust (2021)
Status:READY
Result:55
Feedback
groupverdictscore
#1ACCEPTED17
#2ACCEPTED38
#30
Test results
testverdicttimegroup
#1ACCEPTED0.06 s1, 2, 3details
#2ACCEPTED0.06 s1, 2, 3details
#3ACCEPTED0.06 s2, 3details
#40.06 s3details
#5ACCEPTED0.06 s2, 3details
#60.06 s3details

Code

fn main() {
    let mut input = String::new();
    std::io::stdin().read_line(&mut input).unwrap();
    let n: usize = input.trim().parse().unwrap();
    let mut tests: Vec<(usize, usize)> = Vec::new();
    for _ in 0..n {
        let mut input = String::new();
        std::io::stdin().read_line(&mut input).unwrap();
        let mut iter = input.split_whitespace().map(|x| x.parse().unwrap());
        tests.push((iter.next().unwrap(), iter.next().unwrap()));
    }
    let mut arr = vec![vec![0; 100]; 100];
    arr[0][0] = 1;
    //arr[1][0] = 2;
    //arr[0][1] = 2;
    for i in 0..100 {
        for j in 0..100 {
            if arr[i][j] != 0 {
                continue;
            }
            if i==j {
                arr[i][j] = 1;
                continue;
            }
            arr[i][j] = 2;
            for x in 0..i {
                if arr[x][j] == 2 {
                    arr[i][j] = 1;
                }
            }
            for x in 0..j {
                if arr[i][x] == 2 {
                    arr[i][j] = 1;
                }
            }
            for x in 0..i.min(j) {
                if arr[i - x - 1][j - x - 1] == 2 {
                    arr[i][j] = 1;
                }
            }
        }
    }
    dbg!(&arr);
    for test in tests {
        if arr[test.0-1][test.1-1] == 1 {
            println!("first");
        } else {
            println!("second");
        }
    }
}

Test details

Test 1 (public)

Group: 1, 2, 3

Verdict: ACCEPTED

input
5
2 2
1 2
3 2
4 3
...

correct output
first
second
first
first
second

user output
first
second
first
first
second

Error:
[input/code.rs:43] &arr = [
    [
        1,
        2,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1...

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
100
1 1
1 2
1 3
1 4
...

correct output
first
second
first
first
first
...

user output
first
second
first
first
first
...

Error:
[input/code.rs:43] &arr = [
    [
        1,
        2,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1...

Test 3

Group: 2, 3

Verdict: ACCEPTED

input
1000
82 14
91 84
13 97
92 23
...

correct output
first
first
first
first
first
...

user output
first
first
first
first
first
...

Error:
[input/code.rs:43] &arr = [
    [
        1,
        2,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1...

Test 4

Group: 3

Verdict:

input
1000
1630 271
1812 1671
254 1938
1827 443
...

correct output
first
first
first
first
first
...

user output
(empty)

Error:
[input/code.rs:43] &arr = [
    [
        1,
        2,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1...

Test 5

Group: 2, 3

Verdict: ACCEPTED

input
1000
36 14
79 81
93 82
32 1
...

correct output
first
first
first
first
first
...

user output
first
first
first
first
first
...

Error:
[input/code.rs:43] &arr = [
    [
        1,
        2,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1...

Test 6

Group: 3

Verdict:

input
1000
486 300
899 1455
879 543
40 65
...

correct output
second
second
second
second
second
...

user output
(empty)

Error:
[input/code.rs:43] &arr = [
    [
        1,
        2,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1,
        1...