Submission #20010474

Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int main()
{
	#define double long double
	double X,Y,R;
	cin>>X>>Y>>R;
	R=nextafter(R,INFINITY);
	int l=ceil(X-R),r=floor(X+R);
	long long ans=0;
	for(int i=l;i<=r;++i)
	{
		double d=sqrt(R*R-1.0*(X-i)*(X-i));
		int L=ceil(Y-d),R=floor(Y+d);
		ans+=R-L+1;
	}
	printf("%lld\n",ans);
	return 0;
}

Submission Info

Submission Time
Task D - Circle Lattice Points
User wsyhb
Language C++ (GCC 9.2.1)
Score 400
Code Size 359 Byte
Status AC
Exec Time 15 ms
Memory 3800 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 3
AC × 46
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All extreme_00.txt, extreme_01.txt, extreme_02.txt, extreme_03.txt, handmade_00.txt, handmade_01.txt, handmade_02.txt, handmade_marginal_00.txt, handmade_marginal_01.txt, handmade_marginal_02.txt, handmade_marginal_03.txt, handmade_marginal_04.txt, handmade_marginal_05.txt, random_00.txt, random_01.txt, random_02.txt, random_03.txt, random_04.txt, random_05.txt, random_06.txt, random_07.txt, random_08.txt, random_09.txt, random_10.txt, random_11.txt, random_12.txt, random_13.txt, random_14.txt, random_15.txt, random_16.txt, random_17.txt, random_18.txt, random_19.txt, random_integer_00.txt, random_integer_01.txt, random_integer_02.txt, random_integer_03.txt, random_integer_04.txt, random_integer_05.txt, random_integer_06.txt, random_integer_07.txt, random_integer_08.txt, random_integer_09.txt, sample_01.txt, sample_02.txt, sample_03.txt
Case Name Status Exec Time Memory
extreme_00.txt AC 15 ms 3720 KiB
extreme_01.txt AC 14 ms 3672 KiB
extreme_02.txt AC 6 ms 3612 KiB
extreme_03.txt AC 13 ms 3544 KiB
handmade_00.txt AC 2 ms 3612 KiB
handmade_01.txt AC 4 ms 3592 KiB
handmade_02.txt AC 2 ms 3664 KiB
handmade_marginal_00.txt AC 14 ms 3664 KiB
handmade_marginal_01.txt AC 13 ms 3780 KiB
handmade_marginal_02.txt AC 14 ms 3664 KiB
handmade_marginal_03.txt AC 14 ms 3724 KiB
handmade_marginal_04.txt AC 12 ms 3680 KiB
handmade_marginal_05.txt AC 10 ms 3768 KiB
random_00.txt AC 14 ms 3636 KiB
random_01.txt AC 3 ms 3624 KiB
random_02.txt AC 12 ms 3624 KiB
random_03.txt AC 8 ms 3664 KiB
random_04.txt AC 8 ms 3696 KiB
random_05.txt AC 4 ms 3684 KiB
random_06.txt AC 11 ms 3540 KiB
random_07.txt AC 11 ms 3672 KiB
random_08.txt AC 10 ms 3624 KiB
random_09.txt AC 13 ms 3800 KiB
random_10.txt AC 14 ms 3676 KiB
random_11.txt AC 7 ms 3720 KiB
random_12.txt AC 9 ms 3696 KiB
random_13.txt AC 12 ms 3540 KiB
random_14.txt AC 9 ms 3684 KiB
random_15.txt AC 6 ms 3768 KiB
random_16.txt AC 7 ms 3720 KiB
random_17.txt AC 10 ms 3680 KiB
random_18.txt AC 8 ms 3728 KiB
random_19.txt AC 3 ms 3784 KiB
random_integer_00.txt AC 7 ms 3780 KiB
random_integer_01.txt AC 5 ms 3640 KiB
random_integer_02.txt AC 11 ms 3800 KiB
random_integer_03.txt AC 7 ms 3672 KiB
random_integer_04.txt AC 6 ms 3724 KiB
random_integer_05.txt AC 5 ms 3672 KiB
random_integer_06.txt AC 7 ms 3540 KiB
random_integer_07.txt AC 8 ms 3664 KiB
random_integer_08.txt AC 5 ms 3680 KiB
random_integer_09.txt AC 15 ms 3672 KiB
sample_01.txt AC 3 ms 3624 KiB
sample_02.txt AC 2 ms 3660 KiB
sample_03.txt AC 14 ms 3724 KiB