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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
#745025	#9746. 平方根	ggghe	Compile Error	/	/	C++20	826b	2024-11-14 01:28:43	2024-11-14 01:28:43

Judging History

This is the latest submission verdict.

[2024-11-14 01:28:43]
Judged

Verdict: Compile Error
Time: 0ms
Memory: 0kb

Show

[2024-11-14 01:28:43]
Submitted

answer

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

const int N = 1'000'010;
long double dp[N];

int main() {
    string s;
    cin >> s;

    long double ans = 0.L;
    dp[1] = 1.0;
    
    for (int i = 1; i < N; ++i) {
        dp[i] = max(sqrt(i * 1.0), dp[i]);
        if (i * 2 + 1 < N) {
            dp[i * 2 + 1] = max(dp[i * 2 + 1], 2.L * dp[i]);
        }
        if (i * 2 < N) {
            dp[i * 2] = max(dp[i * 2], dp[i] + dp[i - 1]);
        }
    }

    int n = s.length();
    int i = 0;
    while (i < n) {
        if (s[i] == '0') {
            i++;
            continue;
        }

        int st = i;
        while (i < n && s[i] == '1') {
            i++;
        }
        int len = i - st;
        ans += dp[len];
    }

    printf("%.15f\n", ans);
    return 0;
}

源文件, 语言: C++20

详细

answer.code: In function ‘int main()’:
answer.code:15:20: error: no matching function for call to ‘max(double, long double&)’
   15 |         dp[i] = max(sqrt(i * 1.0), dp[i]);
      |                 ~~~^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/13/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51,
                 from answer.code:1:
/usr/include/c++/13/bits/stl_algobase.h:257:5: note: candidate: ‘template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)’
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/13/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
answer.code:15:20: note:   deduced conflicting types for parameter ‘const _Tp’ (‘double’ and ‘long double’)
   15 |         dp[i] = max(sqrt(i * 1.0), dp[i]);
      |                 ~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/stl_algobase.h:303:5: note: candidate: ‘template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)’
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/13/bits/stl_algobase.h:303:5: note:   template argument deduction/substitution failed:
answer.code:15:20: note:   deduced conflicting types for parameter ‘const _Tp’ (‘double’ and ‘long double’)
   15 |         dp[i] = max(sqrt(i * 1.0), dp[i]);
      |                 ~~~^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/13/algorithm:61:
/usr/include/c++/13/bits/stl_algo.h:5795:5: note: candidate: ‘template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)’
 5795 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/13/bits/stl_algo.h:5795:5: note:   template argument deduction/substitution failed:
answer.code:15:20: note:   mismatched types ‘std::initializer_list<_Tp>’ and ‘double’
   15 |         dp[i] = max(sqrt(i * 1.0), dp[i]);
      |                 ~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/stl_algo.h:5805:5: note: candidate: ‘template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)’
 5805 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/13/bits/stl_algo.h:5805:5: note:   template argument deduction/substitution failed:
answer.code:15:20: note:   mismatched types ‘std::initializer_list<_Tp>’ and ‘double’
   15 |         dp[i] = max(sqrt(i * 1.0), dp[i]);
      |                 ~~~^~~~~~~~~~~~~~~~~~~~~~
answer.code:40:17: warning: format ‘%f’ expects argument of type ‘double’, but argument 2 has type ‘long double’ [-Wformat=]
   40 |     printf("%.15f\n", ans);
      |             ~~~~^     ~~~
      |                 |     |
      |                 |     long double
      |                 double
      |             %.15Lf