Submission #692978

#	Time	Username	Problem	Language	Result	Execution time	Memory
692978		VahanAbraham	Football (info1cup20_football)	C++14	42 / 100	39 ms	6156 KiB

football

#include <iostream>
#include <string>
#include <algorithm>
#include <cstring>
#include <cstdio>
#include <sstream>
#include <map>
#include <stack>
#include <set>
#include <queue>
#include <unordered_set>
#include <unordered_map>
#include <math.h>
#include <cmath>
#include <vector>
using namespace std;


#define ll long long
#define fr first
#define sc second
#define pb push_back
#define US freopen("hps.in", "r", stdin); freopen("hps.out", "w", stdout);

ll gcd(ll a, ll b)
{
    if (a == 0 || b == 0) {
        return  max(a, b);
    }
    if (a <= b) {
        return gcd(a, b % a);
    }
    else {
        return gcd(a % b, b);
    }
}

ll lcm(ll a, ll b) {
    return (a / gcd(a, b)) * b;
}

int isprime(int p)
{
    if (p <= 1) {
        return 0;
    }
    for (int i = 2; i * i <= p; i++) {
        if (p % i == 0) {
            return 0;
        }
    }
    return 1;
}

const int N = 200005;
pair<ll, ll>  p[N], ps[N];
vector <int> v[N];



ll a[N];

void solve() {
    int n, k;
    cin >> n >> k;
    for (int i = 0;i < n;i++) {
        cin >> a[i];
    }
    if (n % 2 == 1) {
        cout << 1;
    }
    else {
        cout << 0;
    }
    return;
}


int main() {
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
    //US
    int tt = 1;
    cin >> tt;
    string s = "";
    while (tt--) {
        ll h = 0;
        ll n, k, z = 0, q = 0, sum1 = 0;
        ll sum = 0;
        cin >> n >> k;
        for (int i = 0;i < n;i++) {
            cin >> a[i];
            sum += a[i];
            if (a[i] >= 2) {
                h = a[i] / 2;
                q += h;
                a[i] -= 2 * h; 
            }
            sum1 += a[i];
        }
        if (k == 1) {
            if (sum % 2 == 1) {
                cout << 1;
            }
            else {
                cout << 0;
            }
        }
        else {
            if (k == 2) {
                if (sum % 2 == 1) {
                    cout << 1;
                }
                else {
                    if (q % 2 == 1) {
                        cout << 1;
                    }
                    else {
                        cout << 0;
                    }
                }
            }
            else {
                if (n == 1) {
                    ll k1 = 4;
                    if (sum % 2 == 1) {
                        cout << 1;
                    }
                    else {
                        bool fl = false;
                        while (k1 <= k) {
                            if ((sum / k1) % 2 == 1) {
                                cout<<1;
                                fl = true;
                                break;
                            }
                            k1 *= 2;
                        }
                        if (fl == false) {
                            cout << 0;
                        }
                    }
                }
            }
        }
    }
}
/*

              %%           %%         %           %%      %%            %          %%     %%
               %%         %%        %% %%         %%      %%          %% %%        %%%%   %%
                %%       %%        %%   %%        %%      %%         %%   %%       %% %%  %%
                 %%     %%        %%%%%%%%%       %%%%%%%%%%        %%%%%%%%%      %%  %% %%
                  %%   %%        %%       %%      %%      %%       %%       %%     %%   %%%%
                   %% %%        %%         %%     %%      %%      %%         %%    %%    %%%
                     %         %%           %%    %%      %%     %%           %%   %%     %%


*/

Compilation message (stderr)

football.cpp: In function 'int main()':
football.cpp:87:18: warning: unused variable 'z' [-Wunused-variable]
   87 |         ll n, k, z = 0, q = 0, sum1 = 0;
      |                  ^

• Subtask 1: 26 / 26
• Subtask 2: 0 / 8
• Subtask 3: 0 / 11
• Subtask 4: 0 / 8
• Subtask 5: 0 / 16
• Subtask 6: 16 / 16
• Subtask 7: 0 / 7
• Subtask 8: 0 / 8