Node.js)백준 1388번: 바닥 장식

https://www.acmicpc.net/problem/1388

1388번: 바닥 장식

const fs = require('fs');
const [n, ...arr] = fs.readFileSync("./dev/stdin").toString().trim().split("\n");

const [R, C] = n.split(' ').map(v => +v);
const room = arr.map(v => v.split(''))
let answer = 0;


for (let i = 0; i < R; i++) {
  let flag = true;
  for (let j = 0; j < C; j++) {
    if (flag == true && room[i][j] == '-') {
      answer++;
      flag = false;
    } else if (room[i][j] == '|') {
      flag = true;
    }
  }
}
for (let i = 0; i < C; i++) {
  let flag = true;
  for (let j = 0; j < R; j++) {
    if (flag == true && room[j][i] == '|') {
      answer++;
      flag = false;
    } else if (room[j][i] == '-') {
      flag = true;
    }
  }
}
console.log(answer)