Submission #532709

#	Time	Username	Problem	Language	Result	Execution time	Memory
532709		miandry	Rack (eJOI19_rack)	C++14	Compilation error	0 ms	0 KiB

rack

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

const int MOD = 1e9 + 7;

int main()
{
    ios_base::sync_with_stdio(0), cin.tie(0);

    int n;
    long long k;
    cin >> n >> k;
    --k;

    int wynik = 1;
    for (int i = 1; i <= n; ++i) {
        if (k % 2 == 0)
            wynik = ((long long)2wynik) % MOD;
        else
            wynik = ((long long)2wynik + 1) % MOD;
        k /= 2;
    }

    int pow2 = 1;
    for (int i = 1; i <= n; ++i)
        pow2 = ((long long)2*pow2) % MOD;

    cout << (wynik - (pow2 - 1) + MOD) % MOD << '\n';
    return 0;
}

Compilation message (stderr)

rack.cpp: In function 'int main()':
rack.cpp:18:33: error: unable to find numeric literal operator 'operator""wynik'
   18 |             wynik = ((long long)2wynik) % MOD;
      |                                 ^~~~~~
rack.cpp:18:33: note: use '-fext-numeric-literals' to enable more built-in suffixes
rack.cpp:20:33: error: unable to find numeric literal operator 'operator""wynik'
   20 |             wynik = ((long long)2wynik + 1) % MOD;
      |                                 ^~~~~~
rack.cpp:20:33: note: use '-fext-numeric-literals' to enable more built-in suffixes