[๋ฐฑ์ค 2292๋ฒ]
const fs = require('fs');
const input = fs.readFileSync('/dev/stdin').toString().split(' ');
let n = parseInt(input[0]);
let result;
let count=0;
//1๋ถํฐ count๊น์ง ๋ํ๋ ํจ์
const cal = (count)=>{
let i=0, result=0;
while(i<=count){
result+=i;
i++;
}
return result;
}
if(n===1){
result=1;
}else{
while(true){
if(1+6*(cal(count))<n && n<=1+6*(cal(count+1))){
break;
}else{
count++;
}
}
result=count+2;
}
console.log(result);
๐ ๋ค๋ฅธ ํ์ด๋ฅผ ๋ณด๋ ๋ ๊ฐ๋จํ ๋ฐฉ๋ฒ์ด ์๋ค...