oj.uz

Submission #387570

# Submission time Handle Problem Language Result Execution time Memory
387570 2021-04-09T02:11:30 Z Kevin_Zhang_TW Football (info1cup20_football) C++17
100 / 100
 33 ms 1992 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define pb emplace_back
#define AI(i) begin(i), end(i)
template<class T> bool chmin(T &a, T b) { return b < a && (a = b, true); }
template<class T> bool chmax(T &a, T b) { return a < b && (a = b, true); }
#ifdef KEV
#define DE(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 debug(T l, T r) { while (l != r) cerr << *l << " \n"[next(l)==r], ++l; }
#else
#define DE(...) 0
#define debug(...) 0
#endif

const int MAX_N = 300010;

bool solve() {
	int n, k;
	cin >> n >> k;
	int sum = 0;
	for (int v, i = 0;i < n;++i) {
		cin >> v;
		sum ^= v;
	}

	if (sum == 0) return false;

	return k >= (sum & -sum);

}
int32_t main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	int T;
	cin >> T;
	while (T--) {
		cout << solve() ;
	}
	cout << '\n';
}

Subtask #1
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 1288 KB Output is correct
2 Correct 13 ms 1208 KB Output is correct
3 Correct 12 ms 1228 KB Output is correct
4 Correct 13 ms 1192 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 460 KB Output is correct
2 Correct 9 ms 460 KB Output is correct

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 976 KB Output is correct
2 Correct 24 ms 968 KB Output is correct
3 Correct 25 ms 972 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 1984 KB Output is correct
2 Correct 33 ms 1984 KB Output is correct
3 Correct 33 ms 1992 KB Output is correct

Subtask #6
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 1228 KB Output is correct
2 Correct 12 ms 1196 KB Output is correct
3 Correct 12 ms 1284 KB Output is correct

Subtask #7
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 1228 KB Output is correct
2 Correct 13 ms 1228 KB Output is correct
3 Correct 13 ms 1196 KB Output is correct

Subtask #8
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 1228 KB Output is correct
2 Correct 12 ms 1200 KB Output is correct