Lehmät

// Suorakulmion muotoinen aitaus
// Annetaan kartta
// Kuinka monta alueella
 
const { createInterface } = require("readline")
const interface = createInterface({
    input: process.stdin,
    terminal: false
})
 
 
interface.on("line", (line) => {
    const lines = line.split("\n")
 
    const givenDimensions = lines[0].split(" ")
    const dimensions = {}
    dimensions.height = givenDimensions[0]
    dimensions.width = givenDimensions[1]
    
    const data = lines.splice(1)
        .map((line) => line.map((val) => val === "." ? 0 : val === "*" ? 2 : 1 ))
 
        const amountOfCowsWithinBounds = data
        .map((row) => 
            row.filter((val) => val === 2).length !== 2  ? 
            0 :
            row.splice(row.indexOf(2), row.indexOf(2, row.indexOf(2) + 1))
                .filter((val) => val === 1)
                .length
        )
        .flat(1)
        .reduce((a, b) => a + b)
    console.log(amountOfCowsWithinBounds)
    process.exit()
})

Test 1

Group: 1, 2

Verdict: RUNTIME ERROR

/box/input/code.js:32
        .reduce((a, b) => a + b)
         ^

TypeError: Reduce of em...

Test 2

Group: 1, 2

Verdict: RUNTIME ERROR

/box/input/code.js:32
        .reduce((a, b) => a + b)
         ^

TypeError: Reduce of em...

Test 3

Group: 1, 2

Verdict: RUNTIME ERROR

/box/input/code.js:32
        .reduce((a, b) => a + b)
         ^

TypeError: Reduce of em...

Test 4

Group: 1, 2

Verdict: RUNTIME ERROR

/box/input/code.js:32
        .reduce((a, b) => a + b)
         ^

TypeError: Reduce of em...

Test 5

Group: 1, 2

Verdict: RUNTIME ERROR

/box/input/code.js:32
        .reduce((a, b) => a + b)
         ^

TypeError: Reduce of em...

Test 6

Group: 2

Verdict: RUNTIME ERROR

/box/input/code.js:32
        .reduce((a, b) => a + b)
         ^

TypeError: Reduce of em...

Test 7

Group: 2

Verdict: RUNTIME ERROR

/box/input/code.js:32
        .reduce((a, b) => a + b)
         ^

TypeError: Reduce of em...

Test 8

Group: 2

Verdict: RUNTIME ERROR

/box/input/code.js:32
        .reduce((a, b) => a + b)
         ^

TypeError: Reduce of em...

Test 9

Group: 2

Verdict: RUNTIME ERROR

/box/input/code.js:32
        .reduce((a, b) => a + b)
         ^

TypeError: Reduce of em...