코드포스 492A (codeforces 492A)
Algorithms / 코드포스 (codeforces)
Codeforces Codeforces 492a 코드포스 코드포스 492a Problem - 492a - codeforces
코드포스 492A (codeforces 492A) 문제 풀이 및 코드 (description and code)
Problem - 492A - Codeforces
코드
import java.io.*;
public class CF492A {
static int n, ans = 0, j = 1, count = -1;
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
n = Integer.parseInt(br.readLine());
for (int i = 2; ans <= n ; i++) {
ans += j;j += i;
count++;
}
bw.write(count + "\n");
bw.flush();bw.close();
}
}