Submission #364547

#	Time	Username	Problem	Language	Result	Execution time	Memory
364547		AmineWeslati	Football (info1cup20_football)	C++14	100 / 100	48 ms	1504 KiB

football

//Never stop trying
#include "bits/stdc++.h"
using namespace std;
#define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)

typedef long long ll;
#define int ll
typedef string str;
typedef long double ld;
typedef pair<int, int> pi;
#define fi first
#define se second
typedef vector<int> vi;
typedef vector<pi> vpi;
#define pb push_back
#define eb emplace_back
#define sz(x) (int)x.size()
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define endl "\n"
#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)

const int MOD = 1e9 + 7; //998244353
const ll INF = 1e18;
const int MX = 2e5 + 10;
const int nx[4] = {0, 0, 1, -1}, ny[4] = {1, -1, 0, 0}; //right left down up

template<class T> using V = vector<T>;
template<class T> bool ckmin(T& a, const T& b) { return a > b ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
ll cdiv(ll a, ll b) { return a / b + ((a ^ b) > 0 && a % b); } // divide a by b rounded up
//constexpr int log2(int x) { return 31 - __builtin_clz(x); } // floor(log2(x))

mt19937 rng(chrono::system_clock::now().time_since_epoch().count());
//mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count());
ll random(ll a, ll b){
    return a + rng() % (b - a + 1);
}
#ifndef LOCAL  
#define cerr if(false) cerr
#endif
#define dbg(x) cerr << #x << " : " << x << endl; 
#define dbgs(x,y) cerr << #x << " : " << x << " / " << #y << " : " << y << endl;
#define dbgv(v) cerr << #v << " : " << "[ "; for(auto it : v) cerr << it << ' '; cerr << ']' << endl;
#define here() cerr << "here" << endl;

void IO() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin); 
    freopen("output.txt", "w", stdout);
#endif
}
/////////////////////////ONLY CLEAN CODES ALLOWED/////////////////////////


int32_t main() {
    boost; IO();

    int TC; cin>>TC;
    while(TC--){
    	int N,K; cin>>N>>K;
    	vi a(N); 
    	FOR(i,0,N) cin>>a[i];

    	if(K==1){
    		int s=0;
    		FOR(i,0,N) s+=a[i];
    		cout << (s&1);
    	}
    	else if(N==1){
    		int X=a[0],f=(X<=K),cur=1;
    		while(cur<=K){
    			if(X%cur==0 && (X/cur)%2==1) f=1;
    			cur*=2;
    		}
    		cout << f;
    	}
    	else if(K==2){
    		int s=0,ss=0;
    		FOR(i,0,N) s+=a[i],ss+=a[i]/2;
    		cout << (s&1 || ss&1);
    	}
    	else{
    		int cur=1,ans=0;
    		while(cur<=K){
    			int s=0;
    			FOR(i,0,N) s+=a[i]/cur;
    			ans|=(s&1);
    			cur*=2;	
    		}
    		cout << ans;
    	}
    }
    

    return 0;
}
//Change your approach 

• 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