Submission #47678

#	Time	Username	Problem	Language	Result	Execution time	Memory
47678		tieunhi	Gap (APIO16_gap)	C++14	Compilation error	0 ms	0 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"

using namespace std;

long long findGap(int T, int N)
{
    long long mn, mx, mmn, mmx;
    MinMax(0, 2e18, &mn, &mx);
    long long res = 0;
    if (T == 1)
    {
        for (int i = 1; i < (N+1)/2; i++)
        {
            MinMax(mn+1, mx-1, &mmn, &mmx);
            if (mmn == -1) break;
            res = max({res, mmn-mn, mx-mmx});
            mn = mmn;
            mx = mmx;
        }
        ans = max(mx - mn);
    }
    else
    {
        long long sz = (mx - mn + N - 1)/N;
        long long last = mn;
        for (long long b = mn+1, e = mn+sz; ; b += sz, e += sz)
        {
            if (e >= mx) e = mx - 1;
            if (b > e) break;
            MinMax(b, e, &mmn, &mmx);
            if (mmn == -1) continue;
            res = max(res, mmn - last);
            last = mmx;
        }
        res = max(res, mx - last);
    }
    return res;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:21:9: error: 'ans' was not declared in this scope
         ans = max(mx - mn);
         ^~~
gap.cpp:21:9: note: suggested alternative: 'abs'
         ans = max(mx - mn);
         ^~~
         abs
gap.cpp:21:26: error: no matching function for call to 'max(long long int)'
         ans = max(mx - mn);
                          ^
In file included from /usr/include/c++/7/bits/char_traits.h:39:0,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from gap.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:219:5: note: candidate: template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)
     max(const _Tp& __a, const _Tp& __b)
     ^~~
/usr/include/c++/7/bits/stl_algobase.h:219:5: note:   template argument deduction/substitution failed:
gap.cpp:21:26: note:   candidate expects 2 arguments, 1 provided
         ans = max(mx - mn);
                          ^
In file included from /usr/include/c++/7/bits/char_traits.h:39:0,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from gap.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:265:5: note: candidate: template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)
     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^~~
/usr/include/c++/7/bits/stl_algobase.h:265:5: note:   template argument deduction/substitution failed:
gap.cpp:21:26: note:   candidate expects 3 arguments, 1 provided
         ans = max(mx - mn);
                          ^
In file included from /usr/include/c++/7/algorithm:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:65,
                 from gap.cpp:1:
/usr/include/c++/7/bits/stl_algo.h:3462:5: note: candidate: template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)
     max(initializer_list<_Tp> __l)
     ^~~
/usr/include/c++/7/bits/stl_algo.h:3462:5: note:   template argument deduction/substitution failed:
gap.cpp:21:26: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
         ans = max(mx - mn);
                          ^
In file included from /usr/include/c++/7/algorithm:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:65,
                 from gap.cpp:1:
/usr/include/c++/7/bits/stl_algo.h:3468:5: note: candidate: template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)
     max(initializer_list<_Tp> __l, _Compare __comp)
     ^~~
/usr/include/c++/7/bits/stl_algo.h:3468:5: note:   template argument deduction/substitution failed:
gap.cpp:21:26: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
         ans = max(mx - mn);
                          ^