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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#379792#8566. Can We Still Qualify For Semifinals?ucup-team3215#WA 1ms3820kbC++202.5kb2024-04-06 19:08:332024-04-06 19:08:33

Judging History

你现在查看的是最新测评结果

  • [2024-04-06 19:08:33]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3820kb
  • [2024-04-06 19:08:33]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

#define all(x) (x).begin(), (x).end()

using pii = array<int, 2>;
using vi = vector<int>;

array<pii, 45> mt;

void solve() {
    int n;
    string s;
    cin >> n >> s;
    vi wold(10);
    for (int i = 0; i < n; ++i) {
        int b = s[i] - '0';
        ++wold[mt[i][b ^ 1]];
    }
    for (int i = n; i < 45; ++i) {
        auto [x, y] = mt[i];
        if (x == 0) {
            ++wold[x];
        }
    }

    for (int a1 = 1; a1 < 10; ++a1) {
        for (int a2 = a1 + 1; a2 < 10; ++a2) {
            for (int a3 = a2 + 1; a3 < 10; ++a3) {
                vi w(wold);
                vi bst(10);
                bst[a1] = 1;
                bst[a2] = 1;
                bst[a3] = 1;
                for (int i = n; i < 45; ++i) {
                    auto [x, y] = mt[i];
                    if (x == 0) {
                        continue;
                    }
                    if (bst[x]) {
                        if (bst[y]) {
                            if (w[x] > w[y]) {
                                swap(x, y);
                            }
                            ++w[x];
                        } else {
                            ++w[x];
                        }
                    } else {
                        if (bst[y]) {
                            ++w[y];
                        } else {
                            if (w[x] > w[y]) {
                                swap(x, y);
                            }
                            ++w[x];
                        }
                    }
                }

                vi srt(w);
                sort(all(srt), greater<>());
                if (w[0] >= srt[4]) {
                    cout << "YES\n";
                    return;
                }
            }
        }
    }
    cout << "NO\n";
}

int main() {
    vi p(10);
    iota(all(p), 0);
    for (int i = 0; i < 9; ++i) {
        for (int j = 0; j < 5; ++j) {
            mt[i * 5 + j] = {p[j], p[9 - j]};
        }
        vi pn(p);
        pn[1] = p.back();
        for (int j = 2; j < 10; ++j) {
            pn[j] = p[j - 1];
        }
        p = pn;
    }
    // for (int i = 0; i < 45; ++i) {
    //     if (i % 5 == 0) {
    //         cout << endl;
    //     }
    //     cout << mt[i][0] + 1 << ' ' << mt[i][1] + 1 << endl;
    // }
    int t;
    cin >> t;
    while (t--) {
        solve();
    }
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3768kb

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: 3804kb

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: -100
Wrong Answer
time: 1ms
memory: 3820kb

input:

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

output:

NO
NO
NO
NO
YES
NO
NO
NO
NO
NO

result:

wrong answer expected NO, found YES [5th token]