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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#501075#5152. Circular Caramel CookieInk_baiWA 0ms3888kbC++20620b2024-08-02 13:29:162024-08-02 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
  • [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;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3888kb

input:

11

output:

2.2360679775

result:

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

Test #2:

score: 0
Accepted
time: 0ms
memory: 3888kb

input:

59

output:

4.9999999999

result:

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

Test #3:

score: 0
Accepted
time: 0ms
memory: 3664kb

input:

1

output:

1.4142135624

result:

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

Test #4:

score: 0
Accepted
time: 0ms
memory: 3856kb

input:

2

output:

1.4142135624

result:

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

Test #5:

score: 0
Accepted
time: 0ms
memory: 3884kb

input:

3

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:

4

output:

1.4142135624

result:

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