Submission #959338

#	Time	Username	Problem	Language	Result	Execution time	Memory
959338		Darren0724	"The Lyuboyn" code (IZhO19_lyuboyn)	C++17	100 / 100	162 ms	5460 KiB

lyuboyn

#include <bits/stdc++.h>
using namespace std;
#define LCBorz ios_base::sync_with_stdio(false); cin.tie(0);
#define int long long
#define all(x) x.begin(), x.end()
#define endl '\n'
const int N=200005;
const int INF=1e18;

int32_t main() {
    LCBorz;
    int n,k,t;cin>>n>>k>>t;
    if(k%2==0){
        cout<<-1<<endl;
        return 0;
    }
    string str;cin>>str;
    int s=0;
    for(char c:str){
        s=s<<1|(c&1);
    }
    vector<int> v(n+2);
    for(int i=0;i<=k;i++){
        v[i]=(1<<k+1)-(1<<i)-1;
        //01110
        //01101
        //01011
        //00111
        //10011
    }
    for(int i=k+1;i<n;i++){
        v[i]=(1<<i)+(1<<k-1)-1;
    }
    cout<<(1<<n)<<endl;
    for(int i=1;i<=(1<<n);i++){
        for(int j=n-1;j>=0;j--){
            cout<<((s>>j)&1);
        }
        cout<<endl;
        int p=__lg(i&(-i));
        s^=v[p];
    }
    return 0;
}

Compilation message (stderr)

lyuboyn.cpp: In function 'int32_t main()':
lyuboyn.cpp:24:19: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
   24 |         v[i]=(1<<k+1)-(1<<i)-1;
      |                  ~^~
lyuboyn.cpp:32:26: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   32 |         v[i]=(1<<i)+(1<<k-1)-1;
      |                         ~^~

• Subtask 1: 0 / 0
• Subtask 2: 5 / 5
• Subtask 3: 3 / 3
• Subtask 4: 11 / 11
• Subtask 5: 15 / 15
• Subtask 6: 18 / 18
• Subtask 7: 31 / 31
• Subtask 8: 17 / 17