제출 #713187

#제출 시각아이디문제언어결과실행 시간메모리
713187lamGap (APIO16_gap)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h>
#define ll long long
#include "gap.h"
using namespace std;
#define ll long long
const int maxn = 1e5 + 10;
int n;
ll a[maxn];
ll sub1()
{
    int l=1; int r=n;
    ll s = 0; ll t = 1e18;
    while (l<=r)
    {
        ll *mx, *mn;
        ll mmax, mmin;
        mx = &mmax; mn = &mmin;
//        cerr<<l<<' '<<r<<' '<<s<<' '<<t<<endl;
        MinMax(s,t,mn,mx);
        s = (mmin)+1; t = (mmax)-1;
        a[l++]=mmin;
        a[r--]=mmax;
    }
    ll ans = 0;
    for (int i=2; i<=n; i++)
    {

        if (ans<a[i]-a[i-1]) ans=a[i]-a[i-1];
    }
    return ans;
}

set<ll> b;

ll sq = 20;

void dnc(ll s, ll t)
{
    if (s>t) return;
    ll *mn,*mx;
    ll mmin,mmax;
    mx = &mmax; mn=&mmin;
    MinMax(s,t,mn,mx);
    if (mmin == -1) return;
    s = mmin+1; t = mmax-1;
    b.insert(mmin); b.insert(mmax);
    if (mmin==mmax) return;
    ll dist = 1LL*(t-s)/sq;
    ll last = s;
    for (ll i=1; i<sq; i++)
    {
        ll next = min(last + dist,t);
        dnc(last,next);
        last = next + 1;
        if (last > t) break;
    }
    if (last <= t) dnc(last,t);
}

ll sub2()
{
    dnc(0,1e18);
    int m=0;
    for (ll i:b) a[++m] = i;
    ll ans = 0;
    assert(n==m);
    for (int i=2; i<=n; i++) ans=max(ans,a[i]-a[i-1]);
    return ans;
}

ll findGap(int T, int N)
{
    n=N;
    sq = max(2LL,sqrt(n));
    if (T==1) return sub1();
    else return sub2();
}

컴파일 시 표준 에러 (stderr) 메시지

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:74:25: error: no matching function for call to 'max(long long int, __gnu_cxx::__enable_if<true, double>::__type)'
   74 |     sq = max(2LL,sqrt(n));
      |                         ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from gap.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
gap.cpp:74:25: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'})
   74 |     sq = max(2LL,sqrt(n));
      |                         ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from gap.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
gap.cpp:74:25: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'})
   74 |     sq = max(2LL,sqrt(n));
      |                         ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from gap.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
gap.cpp:74:25: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   74 |     sq = max(2LL,sqrt(n));
      |                         ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from gap.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
gap.cpp:74:25: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   74 |     sq = max(2LL,sqrt(n));
      |                         ^