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
#66485	#5152. Circular Caramel Cookie	karuna^#	WA	3ms	3616kb	C++17	512b	2022-12-08 19:12:48	2022-12-08 19:12:52

Judging History

你现在查看的是最新测评结果

[2023-08-10 23:21:45]
System Update: QOJ starts to keep a history of the judgings of all the submissions.

[2022-12-08 19:12:52]
评测

测评结果：WA
用时：3ms
内存：3616kb

查看

[2022-12-08 19:12:48]
提交

answer

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

typedef long long ll;

ll func(ll R) {
    ll ans = 0;
    for (ll i = 1; i * i <= R; i++) {
        ans += floor(sqrt(R - i * i));
    }
    return ans * 4;
}
int main() {
    cin.tie(0); ios_base::sync_with_stdio(0);
    ll n; cin >> n;

    ll L = 0, R = 4'000'000'000ll;
    while (L < R) {
        ll M = (L + R) / 2;
        if (func(M) >= n) R = M;
        else L = M + 1;
    }
    cout.precision(20);
    cout << fixed << sqrt(L);
}

源文件, 语言: C++17

详细

Test #1:

score: 100

Accepted

time: 3ms

memory: 3580kb

input:

output:

2.23606797749978980505

result:

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

Test #2:

score: 0

Accepted

time: 3ms

memory: 3468kb

input:

output:

5.00000000000000000000

result:

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

Test #3:

score: 0

Accepted

time: 3ms

memory: 3612kb

input:

output:

1.41421356237309514547

result:

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

Test #4:

score: 0

Accepted

time: 3ms

memory: 3612kb

input:

output:

1.41421356237309514547

result:

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

Test #5:

score: 0

Accepted

time: 3ms

memory: 3608kb

input:

output:

1.41421356237309514547

result:

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

Test #6:

score: -100

Wrong Answer

time: 1ms

memory: 3616kb

input:

output:

1.41421356237309514547

result:

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