제출 #675361

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
675361		jahsdwaijsd	Football (info1cup20_football)	C++17	0 / 100	44 ms	488 KiB

football

/*
#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")
#pragma GCC optimize("unroll-loops")
*/
#include <bits/stdc++.h>
#define taskname "bai3"
#define int long long
#define all(x) x.begin(), x.end()
#define ll long long
#define ld long double
#define pb push_back
#define ff first
#define ss second
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vi vector<int>
using namespace std;

const int mxN = 2e5 + 5;
const int base = 1e9 + 1;
const int mod = 1e9 + 7;
const ll oo = 1e18;

int n, k, a[mxN];

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

signed main() {
#ifdef CDuongg
    freopen("bai3.inp", "r", stdin);
    freopen("bai3.out", "w", stdout);
    auto start = chrono::high_resolution_clock::now();
#endif

    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int t = 1; cin >> t;
    while(t--) solve();
    cout << endl;

#ifdef CDuongg
    auto end = chrono::high_resolution_clock::now();
    cout << "\n"; for(int i = 1; i <= 100; ++i) cout << '=';
    cout << "\nExecution time: " << chrono::duration_cast<chrono::milliseconds> (end - start).count() << "[ms]" << endl;
#endif

}

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• Subtask 2: 0 / 8
• Subtask 3: 0 / 11
• Subtask 4: 0 / 8
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