Lehmät

use std::io;
 
fn main() {
    let height = {
        let mut input: String = String::new();
        io::stdin().read_line(&mut input).unwrap();
 
        let mut split = input.split_whitespace();
 
        split.next().unwrap().parse::<u16>().unwrap()
    };
 
    let mut cow_counter: u32 = 0;
    let mut top_bound = u16::MAX;
 
    for i in 0..height {
        let mut input: String = String::new();
        io::stdin().read_line(&mut input).unwrap();
 
        if top_bound < i {
            let mut left_bound = usize::MAX;
            for (i, char) in input.char_indices() {
                if char == '*' {
                    if left_bound != usize::MAX && left_bound + 1 == i {
                        // This is bottom bound
                        top_bound = u16::MAX;
                        break;
                    } else if left_bound < i {
                        break;
                    } else {
                        left_bound = i;
                    }
                } else if left_bound < i && char == '@' {
                    cow_counter += 1;
                }
            }
        } else if input.contains("**") {
            top_bound = i;
        }
    }
 
    println!("{}", cow_counter)
}

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 1, 2

Verdict: ACCEPTED

Test 3

Group: 1, 2

Verdict: ACCEPTED

Test 4

Group: 1, 2

Verdict: ACCEPTED

Test 5

Group: 1, 2

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED