Submission #914729

#	Time	Username	Problem	Language	Result	Execution time	Memory
914729		NValchanov	Football (info1cup20_football)	C++17	100 / 100	26 ms	2140 KiB

football

#include<bits/stdc++.h>

#define endl '\n'

using namespace std;

typedef long long ll;

const ll MAXN=1e5+10;

ll a[MAXN],n,k,sum;

void solve()
{
    while(sum>0&&k>0)
    {
        if(k==1)
        {
            cout<<sum%2;
            return;
        }
        if(sum%2==1)
        {
            cout<<1;
            return;
        }
        k/=2;
        sum=0;
        for(ll i=1;i<=n;i++)
        {
            a[i]/=2;
            sum+=a[i];
        }
        if(k==1)
        {
            cout<<sum%2;
            return;
        }
        if(sum%2==1)
        {
            cout<<1;
            return;
        }
    }
    cout<<0;
}

void read()
{
    cin>>n>>k;
    sum=0;
    for(ll i=1;i<=n;i++)
    {
        cin>>a[i];
        sum+=a[i];
    }
}

int main()
{
    #ifdef ONLINE_JUDGE
    freopen(".in", "r", stdin);
    freopen(".out", "w", stdout);
#endif
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	cout.tie(nullptr);

    ll t;
    cin>>t;
    while(t--)
    {
        read();
        solve();
    }
    cout<<endl;

	return 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