# verification-helper: PROBLEM https://atcoder.jp/contests/abc330/tasks/abc330_c
import math
import cplib/math/isqrt
proc scanf(formatstr: cstring){.header: "<stdio.h>", varargs.}
proc ii(): int {.inline.} = scanf("%lld\n", addr result)
var D = ii()
var ans = D
for x in 0..(1 + isqrt(D - 1)):
if (x^2-D) >= 0:
ans = min(ans, x^2-D)
else:
var y1 = isqrt(D-x^2)
var y2 = 1 + y1
ans = min(ans, abs(x^2+y1^2-D))
ans = min(ans, abs(x^2+y2^2-D))
echo ans
Traceback (most recent call last):
File "/home/runner/.local/lib/python3.12/site-packages/onlinejudge_verify/documentation/build.py", line 71, in _render_source_code_stat
bundled_code = language.bundle(stat.path, basedir=basedir, options={'include_paths': [basedir]}).decode()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/runner/.local/lib/python3.12/site-packages/onlinejudge_verify/languages/nim.py", line 86, in bundle
raise NotImplementedError
NotImplementedError
verify/math/isqrt_test_.nim
cplib/math/isqrt.nim