Submission #757941

#	Time	Username	Problem	Language	Result	Execution time	Memory
757941		Alkarat	Football (info1cup20_football)	C++14	100 / 100	41 ms	2032 KiB

football

#include<bits/stdc++.h>
#define ll long long
#define ld long double
#define pll pair<ll,ll>
#define mp make_pair
#define pb push_back
#define fi first
#define se second
 
using namespace std;
 
#define LOCALIO "C:/Users/admin/Documents/Code/"
 
ll n, k, a[100005];
 
bool Try(ll num)
{
    ll ans=0;
    for (ll i=1; i<=n; i++)
        ans+=a[i]/num;
    return ans%2;
}
 
int main()
{
    #ifdef LOCAL
        freopen( LOCALIO "input.txt","r",stdin) ;
        freopen( LOCALIO "output.txt","w",stdout) ;
    #endif
 
    ios_base::sync_with_stdio(NULL); cin.tie(nullptr); cout.tie(nullptr);
    ll t; cin >> t;
    while (t--)
    {
        cin >> n >> k;
        for (ll i=1; i<=n; i++)
            cin >> a[i];
        ll bit=1;
        while (bit<=k)
        {
            if (Try(bit))
            {
                cout << 1;
                break;
            }
            bit<<=1;
        }
        if (bit>k)
            cout << 0;
    }
}

• Subtask 1: 26 / 26
• Subtask 2: 8 / 8
• Subtask 3: 11 / 11
• Subtask 4: 8 / 8
• Subtask 5: 16 / 16
• Subtask 6: 16 / 16
• Subtask 7: 7 / 7
• Subtask 8: 8 / 8