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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#479579#8566. Can We Still Qualify For Semifinals?ucup-team3519#WA 27ms3844kbC++232.1kb2024-07-15 19:03:402024-07-15 19:03:40

Judging History

你现在查看的是最新测评结果

  • [2024-07-15 19:03:40]
  • 评测
  • 测评结果:WA
  • 用时:27ms
  • 内存:3844kb
  • [2024-07-15 19:03:40]
  • 提交

answer

#include <bits/stdc++.h>

std::mt19937 rbg(std::chrono::steady_clock::now().time_since_epoch().count());
auto B2 = std::bernoulli_distribution{0.5};
constexpr int N = 10;

void solve() {
    int k;
    std::cin >> k;

    std::string s;
    std::cin >> s;

    std::vector<std::pair<int, int>> matches;
    {
        std::vector<int> a(N);
        std::iota(a.begin(), a.end(), 0);

        auto roll = [](auto begin, auto end) {
            auto x = *(end - 1);
            for (auto it = end - 1; it != begin; --it) {
                *it = *(it - 1);
            }
            *begin = x;
        };
        for (int i = 1; i <= 9; ++i) {
            for (int j = 0; j < 5; ++j) {
                matches.emplace_back(a[j], a[N - 1 - j]);
            }
            roll(a.begin() + 1, a.end());
        }
    }

    if (k <= 15) {
        std::cout << "YES\n";
        return;
    }

    std::vector<int> p(N);
    for (int i = 0; i < k; ++i) {
        if (s[i] == '1') {
            p[matches[i].first] += 1;
        } else {
            p[matches[i].second] += 1;
        }
    }

    std::vector<std::pair<int, int>> a;
    for (int i = k; i < matches.size(); ++i) {
        auto [x, y] = matches[i];
        if (x == 0 || y == 0) {
            p[0] += 1;
        } else {
            a.emplace_back(x, y);
        }
    }
    
    int tot = a.size();
    for (int S = 0; S < (1 << tot); ++S) {
        auto q = p;
        for (int i = 0; i < tot; ++i) {
            if (S & (1 << i)) {
                q[matches[i].first] += 1;
            } else {
                q[matches[i].second] += 1;
            }
        }
        int cnt{};
        for (int i = 0; i < N; ++i) {
            if (q[i] > p[0]) {
                ++cnt;
            }
        }
        if (cnt <= 3) {
            std::cout << "YES\n";
            return;
        }
    }

    std::cout << "NO\n";
}

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);

    int t;
    std::cin >> t;

    while (t--) {
        solve();
    }

    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3844kb

input:

3
3
111
25
1000010101111111111010100
35
01111011110111101111011110111101111

output:

YES
YES
NO

result:

ok 3 token(s): yes count is 2, no count is 1

Test #2:

score: 0
Accepted
time: 0ms
memory: 3652kb

input:

10
16
0110000001010100
17
01111000110110101
15
001100010101111
16
0010101010011100
19
0000000100010110100
16
0011101010011100
18
011110010001100000
18
000110101001100011
20
01100010000100100100
15
001000111001101

output:

YES
YES
YES
YES
YES
YES
YES
YES
YES
YES

result:

ok 10 token(s): yes count is 10, no count is 0

Test #3:

score: 0
Accepted
time: 1ms
memory: 3652kb

input:

10
37
0110000001010100011101001011100110001
39
000100111101101001100101101000000000100
35
00111000100111100101011010111100100
33
010000010001110010110001101110001
30
000100010100000010010110101010
31
0000101000011010101001010000000
44
00001000000111101011010110000101100011000100
42
01111011110001001...

output:

NO
NO
NO
NO
NO
NO
NO
NO
NO
NO

result:

ok 10 token(s): yes count is 0, no count is 10

Test #4:

score: 0
Accepted
time: 9ms
memory: 3812kb

input:

10
23
01100000010101000111010
38
01111001100011000101011110101001101001
27
010000000001001001110001001
26
01101001110011101101000110
8
00001000
22
0110100110001110110001
9
000100010
24
000000100101101010100100
6
011000
29
01101010100101000000000000100

output:

YES
NO
NO
NO
YES
YES
YES
YES
YES
NO

result:

ok 10 token(s): yes count is 6, no count is 4

Test #5:

score: 0
Accepted
time: 4ms
memory: 3616kb

input:

10
30
011000000101010001110100101110
29
01001010010011101110010110010
28
0110000000001000101101001001
23
01101001110011101101000
23
01000001000111001011000
24
011110001000010001010000
23
01001011010101001000011
30
000110011001010010000000000010
24
000110111001110011000011
28
000110001000011011110110...

output:

NO
NO
NO
YES
YES
YES
YES
NO
YES
NO

result:

ok 10 token(s): yes count is 5, no count is 5

Test #6:

score: 0
Accepted
time: 1ms
memory: 3616kb

input:

10
21
011000000101010001110
21
000110110101001010010
22
0111101101001100101101
24
000000001000101011000101
21
011010011100111011010
20
00110000010001101010
21
010010111100010000100
24
010100000100011010110010
23
00001010000110101010010
25
0000000000001000001101110

output:

YES
YES
YES
YES
YES
YES
YES
YES
YES
YES

result:

ok 10 token(s): yes count is 10, no count is 0

Test #7:

score: 0
Accepted
time: 27ms
memory: 3612kb

input:

10
26
01100000010101000111010010
26
01101010010100100111011100
26
00110010110100000000010010
27
011100010101110010110101101
30
010100011000001000110101001100
30
011110001000010001010000001001
28
0101100101000010100001101010
26
00101000000000000100000110
28
0110101101010000111000110001
27
00011011110...

output:

NO
NO
NO
NO
NO
NO
NO
NO
NO
NO

result:

ok 10 token(s): yes count is 0, no count is 10

Test #8:

score: -100
Wrong Answer
time: 16ms
memory: 3776kb

input:

10
25
0010100010011010111001111
26
01001010100010101010001010
26
01111001110000100111011110
26
10001000100110101110011110
26
10101010100110101110011110
27
110100010101010011010111001
27
101010101001101011100111101
31
1000010001010100110001011011110
37
1000101111000100110000011000000100101
40
1000101...

output:

YES
NO
NO
YES
YES
NO
YES
NO
NO
NO

result:

wrong answer expected NO, found YES [1st token]