개발야옹

https://www.acmicpc.net/problem/1271

const fs = require('fs');
const input = fs.readFileSync('/dev/stdin').toString().split(" ");

const n = BigInt(input[0]);
const m = BigInt(input[1]);

console.log((n/m).toString());
console.log((n%m).toString());

https://www.acmicpc.net/problem/10828

const fs = require('fs');
const input = fs.readFileSync('/dev/stdin').toString().trim().split("\n");

const N = Number(input[0]);
const stack = [];
const result = [];

for(let i = 0 ;i < N ; i++) {
    const command = input[i+1].split(" ");
    if(command[0] === 'push') {
        stack.push(Number(command[1]));
    } else if(command[0] === 'pop') {
        result.push(stack.length === 0 ? -1 : stack.pop());
    } else if(command[0] === 'size') {
        result.push(stack.length);
    } else if(command[0] === 'empty') {
        result.push(stack.length === 0 ? 1 : 0);
    } else if(command[0] === 'top'){
        result.push(stack.length === 0 ? -1 : stack[stack.length-1]);
    }
}

console.log(result.join("\n"));