Submission #387598

#	Time	Username	Problem	Language	Result	Execution time	Memory
387598		casperwang	Football (info1cup20_football)	C++14	50 / 100	31 ms	588 KiB

football

#include <bits/stdc++.h>
using namespace std;
#define debug(args) kout("[ " + string(#args) + " ]", args)
void kout() { cerr << endl; }
template <class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ',kout(b...); }
template <class T> void pary(T L, T R) { while (L != R) cerr << *L << " \n"[++L==R]; }

int T, N, K;
int a;
string ans;
map <int,int> cnt;

inline int lb(int a) {
	return a &- a;
}

signed main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> T;
	while (T--) {
		cin >> N >> K;
		cnt.clear();
		for (int i = 0; i < N; i++) {
			cin >> a;
			cnt[lb(a)]++;
		}
		bool flag = false;
		for (auto [v, c] : cnt) {
			if (v > K) break;
			flag |= (c % 2);
		}
		ans += (flag ? '1' : '0');
	}
	cout << ans << '\n';
}

Compilation message (stderr)

football.cpp: In function 'int main()':
football.cpp:28:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   28 |   for (auto [v, c] : cnt) {
      |             ^

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