๐ 0, 1 ๊ทธ๋ฃน์ด ๋ช ๋ฒ ๋์ค๋์ง ์ธ์ด์ฃผ๊ณ , ๋ ์์ ๊ฐ์ ์ถ๋ ฅํ๋ฉด ๋๋ค.
์ฝ๋
const fs = require('fs');
const input = fs.readFileSync('/dev/stdin').toString().trim().split('');
let zero = 0;
let one = 0;
if (input[0] === "0") {
zero++;
} else {
one++;
}
for (let i = 1; i < input.length; i++) {
if (input[i - 1] === "1" && input[i] === "0") {
zero++;
} else if (input[i - 1] === "0" && input[i] === "1") {
one++;
}
}
console.log(Math.min(zero, one));