Task: | Ruudukko |
Sender: | Arska123 |
Submission time: | 2022-11-01 14:27:14 +0200 |
Language: | Rust |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 28 |
#2 | ACCEPTED | 33 |
#3 | ACCEPTED | 39 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.00 s | 1, 2, 3 | details |
#2 | ACCEPTED | 0.00 s | 1, 2, 3 | details |
#3 | ACCEPTED | 0.00 s | 1, 2, 3 | details |
#4 | ACCEPTED | 0.00 s | 2, 3 | details |
#5 | ACCEPTED | 0.00 s | 2, 3 | details |
#6 | ACCEPTED | 0.00 s | 2, 3 | details |
#7 | ACCEPTED | 0.15 s | 3 | details |
#8 | ACCEPTED | 0.13 s | 3 | details |
#9 | ACCEPTED | 0.31 s | 3 | details |
Code
use std::{io::stdin, collections::BinaryHeap};const MODULUS: u64 = 10_u64.pow(9) + 7;// This took me way too long to solvestruct Grid {n: u32,relaxed_rows: Vec<(u64, u64, u32)>,relaxed_columns: Vec<(u64, u64, u32)>,}impl Grid {fn idx(&self, x: u32, y: u32) -> usize {(x + self.n * y) as usize}#[must_use]fn relax(&mut self, x: u32, y: u32, value: u32) -> Option<()> {let (row_sum, row_last_addition, row_last_value) = self.relaxed_rows.get_mut(y as usize)?;let (col_sum, col_last_addition, col_last_value) = self.relaxed_columns.get_mut(x as usize)?;let row_addition = if *row_last_value == value {*row_last_addition} else {*row_sum};let col_addition = if *col_last_value == value {*col_last_addition} else {*col_sum};let addition = 1 + row_addition + col_addition;*row_sum += addition;*col_sum += addition;*row_sum %= MODULUS;*col_sum %= MODULUS;*row_last_value = value;*col_last_value = value;*row_last_addition = row_addition;*col_last_addition = col_addition;Some(())}}#[derive(Eq, PartialEq)]struct Node {value: u32,i: u32,}impl Ord for Node {fn cmp(&self, other: &Self) -> std::cmp::Ordering {other.value.cmp(&self.value)}}impl PartialOrd for Node {fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {Some(self.cmp(other))}}fn main() {let mut buf = String::new();stdin().read_line(&mut buf).unwrap();let n: u32 = buf.trim().parse().unwrap();let mut grid = Grid {n,relaxed_rows: vec![(0, 0, 0); n as usize],relaxed_columns: vec![(0, 0, 0); n as usize],};let mut q = BinaryHeap::new();for y in 0..n {buf.clear();stdin().read_line(&mut buf).unwrap();for (x, value) in buf.split_whitespace().enumerate() {let value: u32 = value.parse().unwrap();q.push(Node {value,i: grid.idx(x as u32, y) as u32,});}}while let Some(next) = q.pop() {let x = next.i % n;let y = next.i / n;grid.relax(x, y, next.value).unwrap();}let sum: u64 = grid.relaxed_rows.iter().fold(0, |sum, (value, _, _)| (sum + value) % MODULUS);println!("{}", sum % MODULUS);}
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: ACCEPTED
input |
---|
1000 520283 805991 492643 75254 527... |
correct output |
---|
951147313 |
user output |
---|
951147313 |