58 lines
1.2 KiB
Rust
58 lines
1.2 KiB
Rust
use std::io::{read_to_string, stdin};
|
|
|
|
fn main() {
|
|
let temp = read_to_string(stdin()).unwrap();
|
|
let mut iter = temp
|
|
.split_ascii_whitespace()
|
|
.map(|x| x.parse::<usize>().unwrap());
|
|
|
|
let n = iter.next().unwrap();
|
|
let m = iter.next().unwrap();
|
|
|
|
let grid: Vec<Vec<usize>> = (0..n)
|
|
.map(|_| (0..n).map(|_| iter.next().unwrap()).collect())
|
|
.collect();
|
|
|
|
let mut cnt = 0;
|
|
|
|
for i in 0..n {
|
|
let mut prev = 101;
|
|
let mut succ = 1;
|
|
|
|
for j in 0..n {
|
|
if grid[i][j] == prev {
|
|
succ += 1;
|
|
} else {
|
|
prev = grid[i][j];
|
|
succ = 1;
|
|
}
|
|
|
|
if succ == m {
|
|
cnt += 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
for i in 0..n {
|
|
let mut prev = 101;
|
|
let mut succ = 1;
|
|
|
|
for j in 0..n {
|
|
if grid[j][i] == prev {
|
|
succ += 1;
|
|
} else {
|
|
prev = grid[j][i];
|
|
succ = 1;
|
|
}
|
|
|
|
if succ == m {
|
|
cnt += 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
println!("{}", cnt);
|
|
}
|