Lehmät

const { readSync } = require('fs');
const { Buffer } = require('buffer');

function readInput() {
  let buffer = Buffer.alloc(1000, 10);
  for(i=0; i<1000; i++) {
    if(!readSync(0, buffer, i, 1) || buffer[i]===10) {
      return buffer.toString("utf8").split("\n")[0];
    }
  }
}

let cowCount = 0
const re = /\*+[@\.]+\*+/
input = readInput()
for (let i = 0; i < input.length; i++) {
    if (input[i].match(re)) {
        cowCount += input[i].match(re)[0].split("@").length - 1   
    }
}

console.log(cowCount)

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 1, 2

Verdict: WRONG ANSWER

Test 3

Group: 1, 2

Verdict: WRONG ANSWER

Test 4

Group: 1, 2

Verdict: WRONG ANSWER

Test 5

Group: 1, 2

Verdict: WRONG ANSWER

Test 6

Group: 2

Verdict: WRONG ANSWER

Test 7

Group: 2

Verdict: WRONG ANSWER

Test 8

Group: 2

Verdict: WRONG ANSWER

Test 9

Group: 2

Verdict: WRONG ANSWER