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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
#584635#9381. 502 Bad GatewayKULIANLENCompile Error//C++201.7kb2024-09-23 15:58:172024-09-23 15:58:17

Judging History

你现在查看的是最新测评结果

  • [2024-09-24 14:55:37]
  • hack成功,自动添加数据
  • (/hack/886)
  • [2024-09-23 15:58:17]
  • 评测
  • [2024-09-23 15:58:17]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int __int128 
#define endl '\n'
using ld = long double;
using pii = pair<int,int>;

pii add(pii a, pii b) {
    int x = a.first * b.second + a.second * b.first;
    int y = a.second * b.second;
    int d = gcd(x, y);
    return {x / d, y / d};
}   

pii mul(pii a, int k) {
    int x = a.first * k;
    int y = a.second;
    int d = gcd(x, y);
    return {x / d, y / d}; 
}

void solve()
{
    long long xx;cin >> xx;
    __int128 t = xx;
    int delta = 1 + 8 * t;
    ld sq = sqrtl(delta);
    int x = (1 + sq) / 2;
    
    
    auto calc = [&](int x) -> pii {
        x = min(x, t + 1);
        int len = x - 1;
        int res = 0;
    
    res += (1 + len) * len / 2;
        pii ans = {res, t};
    // cout << len << endl;
    int d = gcd(ans.first, ans.second);
    ans = {ans.first / d, ans.second / d};
    if(t - x + 1 > 0)
    {
        pii tmp = mul(add({t, x - 1}, {x, 2}), t - x + 1);
        // cout << tmp.first <<" " << tmp.second << endl;
        tmp = {tmp.first, tmp.second * t};
        int d = gcd(tmp.first, tmp.second);
        tmp.first /= d;tmp.second /= d;
        // cout << ans.first <<" " << ans.second <<" " << tmp.first <<" " << tmp.second << endl;
        ans = add(ans, tmp);
    }
    return ans;
    };
    pii ans = calc(x);
    pii ans1 = calc(x + 1);
    if(ans1.first * ans.second < ans1.second * ans.first)
    {
        ans = ans1;
    }


    cout << (long long)ans.first <<" " << (long long)ans.second << endl;


}


signed main() 
{
    ios::sync_with_stdio(false);cin.tie(0);
    long long T;cin >> T;
    while(T--)
    solve();
}

详细

In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:58,
                 from answer.code:1:
/usr/include/c++/13/numeric: In instantiation of ‘constexpr std::common_type_t<_Tp1, _Tp2> std::gcd(_Mn, _Nn) [with _Mn = __int128; _Nn = __int128; common_type_t<_Tp1, _Tp2> = __int128]’:
answer.code:11:16:   required from here
/usr/include/c++/13/numeric:166:21: error: static assertion failed: std::gcd arguments must be integers
  166 |       static_assert(is_integral_v<_Mn> && is_integral_v<_Nn>,
      |                     ^~~~~~~~~~~~~~~~~~
/usr/include/c++/13/numeric:166:21: note: ‘std::is_integral_v<__int128>’ evaluates to false
In file included from /usr/include/c++/13/bits/stl_pair.h:60,
                 from /usr/include/c++/13/bits/stl_algobase.h:64,
                 from /usr/include/c++/13/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51:
/usr/include/c++/13/type_traits: In instantiation of ‘struct std::make_unsigned<__int128>’:
/usr/include/c++/13/type_traits:1983:11:   required by substitution of ‘template<class _Tp> using std::make_unsigned_t = typename std::make_unsigned::type [with _Tp = __int128]’
/usr/include/c++/13/numeric:173:24:   required from ‘constexpr std::common_type_t<_Tp1, _Tp2> std::gcd(_Mn, _Nn) [with _Mn = __int128; _Nn = __int128; common_type_t<_Tp1, _Tp2> = __int128]’
answer.code:11:16:   required from here
/usr/include/c++/13/type_traits:1836:62: error: invalid use of incomplete type ‘class std::__make_unsigned_selector<__int128, false, false>’
 1836 |     { typedef typename __make_unsigned_selector<_Tp>::__type type; };
      |                                                              ^~~~
/usr/include/c++/13/type_traits:1744:11: note: declaration of ‘class std::__make_unsigned_selector<__int128, false, false>’
 1744 |     class __make_unsigned_selector;
      |           ^~~~~~~~~~~~~~~~~~~~~~~~