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Submission #238200

# Submission time Handle Problem Language Result Execution time Memory
238200 2020-06-10T07:44:40 Z NONAME Dojave (COCI17_dojave) C++17
42 / 140
 4000 ms 9592 KB 
#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
#define sz(x) int(x.size())
#define el '\n'
#define pb push_back
#define mp make_pair
#define ft first
#define sd second
using namespace std;

typedef long long ll;

const int N = (1 << 21);

ll n, a[N], ans;
bool mk[N];

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cin >> n;
    n = 1 << n;

    for (int i = 0; i < n; ++i)
        cin >> a[i];

    int fx = n - 1;

    for (int i = 0; i < n; ++i) {
        int cur = 0;
        for (int j = i; j < n; ++j) {
            cur ^= a[j];
            mk[a[j]] = 1;

            if (cur == fx) {
                if (j - i + 3 <= n || j - i + 1 > 1)
                    ans++;
            } else {
                bool ok = 0;

                for (int l = i; l <= j && !ok; ++l) {
                    int p = (cur ^ fx ^ a[l]);

                    ok |= !mk[p];
                }

                ans += ok;
            }
        }

        for (int j = 0; j < n; ++j)
            mk[j] = 0;
    }

    cout << ans;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1351 ms 504 KB Output is correct
2 Correct 564 ms 504 KB Output is correct

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4094 ms 384 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1584 ms 632 KB Output is correct
2 Execution timed out 4090 ms 512 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4094 ms 896 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4083 ms 896 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4086 ms 2680 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4099 ms 9592 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4094 ms 9592 KB Time limit exceeded
2 Halted 0 ms 0 KB -