CODE FESTIVAL 2016 Grand Final ~

CODE FESTIVAL 2016 Grand Final

Submission #4130413

Source codeソースコード

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

#define debug(x) cout<<#x<<" :: "<<x<<"\n";
#define debug2(x,y) cout<<#x<<" :: "<<x<<"\t"<<#y<<" :: "<<y<<"\n";
#define debug3(x,y,z) cout<<#x<<" :: "<<x<<"\t"<<#y<<" :: "<<y<<"\t"<<#z<<" :: "<<z<<"\n";
#define br cout<<endl;
#define pb push_back
#define mp(a,b) make_pair(a,b)
#define mem(a,b) memset(a,b,sizeof(a))
#define fi first
#define se second

typedef long long ll;
typedef pair<int, int> pii;
const int MAX = 100005;
const int INF = 1e9+7;
const ll LINF = 1e18 + 7;

/***************************************************************************/

int main()
{
    ios::sync_with_stdio(0);
    int n;
    cin>>n;
    ll ar[n+5],ans=0;
    map<int, int>m;
    for(int i=0;i<n;i++)
    {
        ll a,r=0;
        cin>>a;
        ans^=a;
        while(a%2==0)
        {
            r++;
            a=a/2;
        }
        m[r]++;
    }
    ll x=1<<30,f=0,res=0;
    for(int i=30;i>=0;i--)
    {
        if(ans & x)
        {
            if(m[i])
            {
                ll c=x-1;
                ans^=c;
            }
            else
            {
                f=1;
                break;
            }
            res++;
        }
        x/=2;
    }
    if(f)
    {
        cout<<-1<<endl;
    }
    else
    {
        cout<<res<<endl;
    }
    return 0;
}

Submission

Task問題 C - Cheating Nim
User nameユーザ名 deathaxe
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 500
Source lengthソースコード長 1394 Byte
File nameファイル名
Exec time実行時間 14 ms
Memory usageメモリ使用量 256 KB

Test case

Set

Set name Score得点 / Max score Cases
Sample - example0.txt,example1.txt
All 500 / 500 000.txt,001.txt,002.txt,003.txt,004.txt,005.txt,006.txt,007.txt,008.txt,009.txt,010.txt,011.txt,012.txt,013.txt,014.txt,015.txt,016.txt,017.txt,018.txt,019.txt,020.txt,021.txt,022.txt,023.txt,example0.txt,example1.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
000.txt AC 1 ms 256 KB
001.txt AC 1 ms 256 KB
002.txt AC 12 ms 256 KB
003.txt AC 6 ms 256 KB
004.txt AC 6 ms 256 KB
005.txt AC 5 ms 256 KB
006.txt AC 14 ms 256 KB
007.txt AC 14 ms 256 KB
008.txt AC 14 ms 256 KB
009.txt AC 14 ms 256 KB
010.txt AC 14 ms 256 KB
011.txt AC 14 ms 256 KB
012.txt AC 14 ms 256 KB
013.txt AC 14 ms 256 KB
014.txt AC 14 ms 256 KB
015.txt AC 14 ms 256 KB
016.txt AC 14 ms 256 KB
017.txt AC 14 ms 256 KB
018.txt AC 14 ms 256 KB
019.txt AC 14 ms 256 KB
020.txt AC 14 ms 256 KB
021.txt AC 2 ms 256 KB
022.txt AC 3 ms 256 KB
023.txt AC 13 ms 256 KB
example0.txt AC 1 ms 256 KB
example1.txt AC 1 ms 256 KB