Submission #675088

#	Time	Username	Problem	Language	Result	Execution time	Memory
675088		vjudge1	Football (info1cup20_football)	C++17	100 / 100	51 ms	2100 KiB

football

/*
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimize("unroll-loops")
*/
// lethal option

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

#define all(flg) flg.begin(), flg.end()
#define int long long
#define pb push_back
#define fi first
#define se second
#define endl "\n"
#define eb emplace_back
#define ii pair<int, int>
#define vi vector<int>
#define PI 3.141592653589793238462643383279502884
#define ll long long
#define ld long double
#define for1(i, ff, gg) for(int i = ff; i <= gg; ++i)
#define for2(i, ff, gg) for(int i = ff; i >= gg; --i)
const ll mod = 1e9 + 7;
const int maxN = 300005;
const ll oo = 1e18 + 7;
int n, a[maxN];
int x, y, z, k;



signed main(){
    // freopen(".inp", "r", stdin);
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    int o; cin >> o; while(o--){
        cin >> n >> k;
        for1(i, 1, n) cin >> a[i];
        bool saved = 0;
        while(1){
            int sum = 0;
            for1(i, 1, n) sum += a[i];
            if(sum & 1) saved = 1;
            if(k == 1) break;
            for1(i, 1, n) a[i] /= 2;
            k /= 2;
        }
        cout << saved;
    }
}

• 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