Submission #202658

#	Time	Username	Problem	Language	Result	Execution time	Memory
202658		stefdasca	Nautilus (BOI19_nautilus)	C++14	Compilation error	0 ms	0 KiB

nautilus

#include<bits/stdc++.h>
#define god dimasi5eks
#pragma GCC optimize("O3")
#define fi first
#define se second
#define pb push_back
#define pf push_front
#define mod 1000000007
#define dancila 3.14159265359
#define eps 1e-9

// #define fisier 1

using namespace std;

typedef long long ll;

int n, m, k;

string s;
char mat[502][502];
bitset<5001> dp[502][502];

int main()
{

    #ifdef fisier
        ifstream f("input.in");
        ofstream g("output.out");
    #endif

    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n >> m >> k;
    for(int i = 0; i < n; ++i)
        cin >> mat[i];
    cin >> s;
    for(int i = 0; i < n; ++i)
        for(int j = 0; j < m; ++j)
            if(mat[i][j] != '#')
                dp[i][j][0] |= 1;
    for(int x = 0; x < k; ++x)
    {
        if(s[x] == 'E')
        {
            for(int i = 0; i < n; ++i)
                for(int j = 0; j + 1 < m; ++j)
                {
                    if(!dp[i][j][x])
                        continue;
                    if(mat[i][j+1] != '#')
                        dp[i][j+1][x+1] |= 1;
                }
        }
        if(s[x] == 'W')
        {
            for(int i = 0; i < n; ++i)
                for(int j = 1; j < m; ++j)
                {
                    if(!dp[i][j][x])
                        continue;
                    if(mat[i][j-1] != '#')
                        dp[i][j-1][x+1] |= 1;
                }
        }
        if(s[x] == 'N')
        {
            for(int i = 1; i < n; ++i)
                for(int j = 0; j < m; ++j)
                {
                    if(!dp[i][j][x])
                        continue;
                    if(mat[i-1][j] != '#')
                        dp[i-1][j][x+1] |= 1;
                }
        }
        if(s[x] == 'S')
        {
            for(int i = 0; i + 1 < n; ++i)
                for(int j = 0; j < m; ++j)
                {
                    if(!dp[i][j][x])
                        continue;
                    if(mat[i+1][j] != '#')
                        dp[i+1][j][x+1] |= 1;
                }
        }
        if(s[x] == '?')
        {
            for(int i = 0; i < n; ++i)
                for(int j = 0; j < m; ++j)
                {
                    if(!dp[i][j][x])
                        continue;
                    if(j + 1 < m && mat[i][j+1] != '#')
                        dp[i][j+1][x+1] |= 1;
                    if(i + 1 < n && mat[i+1][j] != '#')
                        dp[i+1][j][x+1] |= 1;
                    if(j && mat[i][j-1] != '#')
                        dp[i][j-1][x+1] |= 1;
                    if(i && mat[i-1][j] != '#')
                        dp[i-1][j][x+1] |= 1;
                }
        }
    }
    int ans = 0;
    for(int i = 0; i < n; ++i)
        for(int j = 0; j < m; ++j)
            ans += dp[i][j][k];
    cout << ans;
    return 0;
}

Compilation message (stderr)

nautilus.cpp: In function 'int main()':
nautilus.cpp:42:29: error: no match for 'operator|=' (operand types are 'std::bitset<5001>::reference' and 'int')
                 dp[i][j][0] |= 1;
In file included from /usr/include/c++/7/ios:42:0,
                 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 nautilus.cpp:1:
/usr/include/c++/7/bits/ios_base.h:99:3: note: candidate: const std::_Ios_Fmtflags& std::operator|=(std::_Ios_Fmtflags&, std::_Ios_Fmtflags)
   operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:99:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Fmtflags&'
/usr/include/c++/7/bits/ios_base.h:141:3: note: candidate: const std::_Ios_Openmode& std::operator|=(std::_Ios_Openmode&, std::_Ios_Openmode)
   operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:141:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Openmode&'
/usr/include/c++/7/bits/ios_base.h:181:3: note: candidate: const std::_Ios_Iostate& std::operator|=(std::_Ios_Iostate&, std::_Ios_Iostate)
   operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:181:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Iostate&'
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:105:0,
                 from nautilus.cpp:1:
/usr/include/c++/7/future:167:18: note: candidate: std::launch& std::operator|=(std::launch&, std::launch)
   inline launch& operator|=(launch& __x, launch __y)
                  ^~~~~~~~
/usr/include/c++/7/future:167:18: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::launch&'
nautilus.cpp:53:41: error: no match for 'operator|=' (operand types are 'std::bitset<5001>::reference' and 'int')
                         dp[i][j+1][x+1] |= 1;
In file included from /usr/include/c++/7/ios:42:0,
                 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 nautilus.cpp:1:
/usr/include/c++/7/bits/ios_base.h:99:3: note: candidate: const std::_Ios_Fmtflags& std::operator|=(std::_Ios_Fmtflags&, std::_Ios_Fmtflags)
   operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:99:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Fmtflags&'
/usr/include/c++/7/bits/ios_base.h:141:3: note: candidate: const std::_Ios_Openmode& std::operator|=(std::_Ios_Openmode&, std::_Ios_Openmode)
   operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:141:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Openmode&'
/usr/include/c++/7/bits/ios_base.h:181:3: note: candidate: const std::_Ios_Iostate& std::operator|=(std::_Ios_Iostate&, std::_Ios_Iostate)
   operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:181:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Iostate&'
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:105:0,
                 from nautilus.cpp:1:
/usr/include/c++/7/future:167:18: note: candidate: std::launch& std::operator|=(std::launch&, std::launch)
   inline launch& operator|=(launch& __x, launch __y)
                  ^~~~~~~~
/usr/include/c++/7/future:167:18: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::launch&'
nautilus.cpp:64:41: error: no match for 'operator|=' (operand types are 'std::bitset<5001>::reference' and 'int')
                         dp[i][j-1][x+1] |= 1;
In file included from /usr/include/c++/7/ios:42:0,
                 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 nautilus.cpp:1:
/usr/include/c++/7/bits/ios_base.h:99:3: note: candidate: const std::_Ios_Fmtflags& std::operator|=(std::_Ios_Fmtflags&, std::_Ios_Fmtflags)
   operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:99:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Fmtflags&'
/usr/include/c++/7/bits/ios_base.h:141:3: note: candidate: const std::_Ios_Openmode& std::operator|=(std::_Ios_Openmode&, std::_Ios_Openmode)
   operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:141:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Openmode&'
/usr/include/c++/7/bits/ios_base.h:181:3: note: candidate: const std::_Ios_Iostate& std::operator|=(std::_Ios_Iostate&, std::_Ios_Iostate)
   operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:181:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Iostate&'
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:105:0,
                 from nautilus.cpp:1:
/usr/include/c++/7/future:167:18: note: candidate: std::launch& std::operator|=(std::launch&, std::launch)
   inline launch& operator|=(launch& __x, launch __y)
                  ^~~~~~~~
/usr/include/c++/7/future:167:18: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::launch&'
nautilus.cpp:75:41: error: no match for 'operator|=' (operand types are 'std::bitset<5001>::reference' and 'int')
                         dp[i-1][j][x+1] |= 1;
In file included from /usr/include/c++/7/ios:42:0,
                 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 nautilus.cpp:1:
/usr/include/c++/7/bits/ios_base.h:99:3: note: candidate: const std::_Ios_Fmtflags& std::operator|=(std::_Ios_Fmtflags&, std::_Ios_Fmtflags)
   operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:99:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Fmtflags&'
/usr/include/c++/7/bits/ios_base.h:141:3: note: candidate: const std::_Ios_Openmode& std::operator|=(std::_Ios_Openmode&, std::_Ios_Openmode)
   operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:141:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Openmode&'
/usr/include/c++/7/bits/ios_base.h:181:3: note: candidate: const std::_Ios_Iostate& std::operator|=(std::_Ios_Iostate&, std::_Ios_Iostate)
   operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:181:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Iostate&'
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:105:0,
                 from nautilus.cpp:1:
/usr/include/c++/7/future:167:18: note: candidate: std::launch& std::operator|=(std::launch&, std::launch)
   inline launch& operator|=(launch& __x, launch __y)
                  ^~~~~~~~
/usr/include/c++/7/future:167:18: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::launch&'
nautilus.cpp:86:41: error: no match for 'operator|=' (operand types are 'std::bitset<5001>::reference' and 'int')
                         dp[i+1][j][x+1] |= 1;
In file included from /usr/include/c++/7/ios:42:0,
                 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 nautilus.cpp:1:
/usr/include/c++/7/bits/ios_base.h:99:3: note: candidate: const std::_Ios_Fmtflags& std::operator|=(std::_Ios_Fmtflags&, std::_Ios_Fmtflags)
   operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:99:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Fmtflags&'
/usr/include/c++/7/bits/ios_base.h:141:3: note: candidate: const std::_Ios_Openmode& std::operator|=(std::_Ios_Openmode&, std::_Ios_Openmode)
   operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:141:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Openmode&'
/usr/include/c++/7/bits/ios_base.h:181:3: note: candidate: const std::_Ios_Iostate& std::operator|=(std::_Ios_Iostate&, std::_Ios_Iostate)
   operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:181:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Iostate&'
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:105:0,
                 from nautilus.cpp:1:
/usr/include/c++/7/future:167:18: note: candidate: std::launch& std::operator|=(std::launch&, std::launch)
   inline launch& operator|=(launch& __x, launch __y)
                  ^~~~~~~~
/usr/include/c++/7/future:167:18: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::launch&'
nautilus.cpp:97:41: error: no match for 'operator|=' (operand types are 'std::bitset<5001>::reference' and 'int')
                         dp[i][j+1][x+1] |= 1;
In file included from /usr/include/c++/7/ios:42:0,
                 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 nautilus.cpp:1:
/usr/include/c++/7/bits/ios_base.h:99:3: note: candidate: const std::_Ios_Fmtflags& std::operator|=(std::_Ios_Fmtflags&, std::_Ios_Fmtflags)
   operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:99:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Fmtflags&'
/usr/include/c++/7/bits/ios_base.h:141:3: note: candidate: const std::_Ios_Openmode& std::operator|=(std::_Ios_Openmode&, std::_Ios_Openmode)
   operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:141:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Openmode&'
/usr/include/c++/7/bits/ios_base.h:181:3: note: candidate: const std::_Ios_Iostate& std::operator|=(std::_Ios_Iostate&, std::_Ios_Iostate)
   operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:181:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Iostate&'
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:105:0,
                 from nautilus.cpp:1:
/usr/include/c++/7/future:167:18: note: candidate: std::launch& std::operator|=(std::launch&, std::launch)
   inline launch& operator|=(launch& __x, launch __y)
                  ^~~~~~~~
/usr/include/c++/7/future:167:18: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::launch&'
nautilus.cpp:99:41: error: no match for 'operator|=' (operand types are 'std::bitset<5001>::reference' and 'int')
                         dp[i+1][j][x+1] |= 1;
In file included from /usr/include/c++/7/ios:42:0,
                 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 nautilus.cpp:1:
/usr/include/c++/7/bits/ios_base.h:99:3: note: candidate: const std::_Ios_Fmtflags& std::operator|=(std::_Ios_Fmtflags&, std::_Ios_Fmtflags)
   operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:99:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Fmtflags&'
/usr/include/c++/7/bits/ios_base.h:141:3: note: candidate: const std::_Ios_Openmode& std::operator|=(std::_Ios_Openmode&, std::_Ios_Openmode)
   operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:141:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Openmode&'
/usr/include/c++/7/bits/ios_base.h:181:3: note: candidate: const std::_Ios_Iostate& std::operator|=(std::_Ios_Iostate&, std::_Ios_Iostate)
   operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:181:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Iostate&'
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:105:0,
                 from nautilus.cpp:1:
/usr/include/c++/7/future:167:18: note: candidate: std::launch& std::operator|=(std::launch&, std::launch)
   inline launch& operator|=(launch& __x, launch __y)
                  ^~~~~~~~
/usr/include/c++/7/future:167:18: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::launch&'
nautilus.cpp:101:41: error: no match for 'operator|=' (operand types are 'std::bitset<5001>::reference' and 'int')
                         dp[i][j-1][x+1] |= 1;
In file included from /usr/include/c++/7/ios:42:0,
                 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 nautilus.cpp:1:
/usr/include/c++/7/bits/ios_base.h:99:3: note: candidate: const std::_Ios_Fmtflags& std::operator|=(std::_Ios_Fmtflags&, std::_Ios_Fmtflags)
   operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:99:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Fmtflags&'
/usr/include/c++/7/bits/ios_base.h:141:3: note: candidate: const std::_Ios_Openmode& std::operator|=(std::_Ios_Openmode&, std::_Ios_Openmode)
   operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:141:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Openmode&'
/usr/include/c++/7/bits/ios_base.h:181:3: note: candidate: const std::_Ios_Iostate& std::operator|=(std::_Ios_Iostate&, std::_Ios_Iostate)
   operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:181:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Iostate&'
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:105:0,
                 from nautilus.cpp:1:
/usr/include/c++/7/future:167:18: note: candidate: std::launch& std::operator|=(std::launch&, std::launch)
   inline launch& operator|=(launch& __x, launch __y)
                  ^~~~~~~~
/usr/include/c++/7/future:167:18: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::launch&'
nautilus.cpp:103:41: error: no match for 'operator|=' (operand types are 'std::bitset<5001>::reference' and 'int')
                         dp[i-1][j][x+1] |= 1;
In file included from /usr/include/c++/7/ios:42:0,
                 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 nautilus.cpp:1:
/usr/include/c++/7/bits/ios_base.h:99:3: note: candidate: const std::_Ios_Fmtflags& std::operator|=(std::_Ios_Fmtflags&, std::_Ios_Fmtflags)
   operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:99:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Fmtflags&'
/usr/include/c++/7/bits/ios_base.h:141:3: note: candidate: const std::_Ios_Openmode& std::operator|=(std::_Ios_Openmode&, std::_Ios_Openmode)
   operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:141:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Openmode&'
/usr/include/c++/7/bits/ios_base.h:181:3: note: candidate: const std::_Ios_Iostate& std::operator|=(std::_Ios_Iostate&, std::_Ios_Iostate)
   operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:181:3: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::_Ios_Iostate&'
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:105:0,
                 from nautilus.cpp:1:
/usr/include/c++/7/future:167:18: note: candidate: std::launch& std::operator|=(std::launch&, std::launch)
   inline launch& operator|=(launch& __x, launch __y)
                  ^~~~~~~~
/usr/include/c++/7/future:167:18: note:   no known conversion for argument 1 from 'std::bitset<5001>::reference' to 'std::launch&'