QOJ.ac

QOJ

ID	题目	提交者	结果	用时	内存	语言	文件大小	提交时间	测评时间
#501075	#5152. Circular Caramel Cookie	Ink_bai	WA	0ms	3888kb	C++20	620b	2024-08-02 13:29:16	2024-08-02 13:29:16

Judging History

你现在查看的是最新测评结果

[2024-08-02 13:29:16]
评测

测评结果：WA
用时：0ms
内存：3888kb

查看

[2024-08-02 13:29:16]
提交

answer

#include <bits/stdc++.h>
#define int long long
using namespace std;

signed main() {
    int n;
    cin >> n;
    long double l = 1.4142135623731, r = n/2;
    while (l + 1e-9 < r) {
        long double m = (l + r) / 2;
        int sum = 0;
        for(int i = 1; i <= m; i++) {
            for(int j = 1; j <= m; j++) {
                if(i*i + j*j <= m*m) {
                    sum++;
                }
            }
        }
        if(sum * 4 >= n) {
            r = m;
        } else {
            l = m;
        }
    }
    cout << fixed << setprecision(10) << l << endl;
    return 0;
}

源文件, 语言: C++20

详细

Test #1:

score: 100

Accepted

time: 0ms

memory: 3888kb

input:

output:

2.2360679775

result:

ok found '2.2360680', expected '2.2360680', error '0.0000000'

Test #2:

score: 0

Accepted

time: 0ms

memory: 3888kb

input:

output:

4.9999999999

result:

ok found '5.0000000', expected '5.0000000', error '0.0000000'

Test #3:

score: 0

Accepted

time: 0ms

memory: 3664kb

input:

output:

1.4142135624

result:

ok found '1.4142136', expected '1.4142136', error '0.0000000'

Test #4:

score: 0

Accepted

time: 0ms

memory: 3856kb

input:

output:

1.4142135624

result:

ok found '1.4142136', expected '1.4142136', error '0.0000000'

Test #5:

score: 0

Accepted

time: 0ms

memory: 3884kb

input:

output:

1.4142135624

result:

ok found '1.4142136', expected '1.4142136', error '0.0000000'

Test #6:

score: -100

Wrong Answer

time: 0ms

memory: 3804kb

input:

output:

1.4142135624

result:

wrong answer 1st numbers differ - expected: '2.2360680', found: '1.4142136', error = '0.3675445'