QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#682239#7894. Many Many HeadsmvecWA 1ms3612kbC++141.9kb2024-10-27 14:34:012024-10-27 14:34:01

Judging History

你现在查看的是最新测评结果

  • [2024-10-27 14:34:01]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3612kb
  • [2024-10-27 14:34:01]
  • 提交

answer

#include <iostream>
#include <string>
#include <bitset>
#include <stack>
#include <deque>

using namespace std;

struct seq
{
    int l, r, t;
};

string s;
bitset<1000010> bin_s;

bool solve(int l, int r)
{
    if (l >= r)
        return true;
    deque<seq> seqs;
    stack<char> ord;
    int index = 0;
    for (int i = l; i <= r; i++)
    {
        if (bin_s[i])
        {
            if (ord.size() && ord.top() == '[')
                ord.pop();
            else
                ord.push('[');

            if (ord.empty())
            {
                seqs.emplace_back();
                seqs.back().r = i;
                seqs.back().t = 1;
            }
        }
        else
        {
            if (ord.size() && ord.top() == '(')
                ord.pop();
            else
                ord.push('(');

            if (ord.empty())
            {
                seqs.emplace_back();
                seqs.back().r = i;
                seqs.back().t = 0;
            }
        }
    }
    if (seqs.empty())
        return true;
    seqs.front().l = 0;
    auto p1 = seqs.begin(), p2 = p1 + 1;
    while (p2 != seqs.end())
    {
        p2->l = p1->r + 1;
        p1++, p2++;
    }

    int cnts[2] = {0, 0};
    for (auto &p : seqs)
        cnts[p.t]++;

    if (cnts[0] > 1 || cnts[1] > 1)
        return false;

    for (auto &x : seqs)
        if (!solve(x.l + 1, x.r - 1))
            return false;

    return true;
}

int main()
{
    int t;
    cin >> t;
    while (t--)
    {
        int n;
        cin >> s;
if(t==15028)
{cout<<s;break;}
        n = s.size();
        for (int i = 0; i < n; i++)
        {
            if (s[i] == '(' || s[i] == ')')
                bin_s[i] = 0;
            else
                bin_s[i] = 1;
        }

        if (solve(0, n - 1))
            cout << "Yes\n";
        else
            cout << "No\n";
    }

    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3492kb

input:

6
))
((()
[()]
()[()]()
([()])
([])([])

output:

Yes
No
Yes
No
Yes
No

result:

ok 6 token(s): yes count is 3, no count is 3

Test #2:

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

input:

2
(([([[([
]]))])]])]

output:

Yes
No

result:

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

Test #3:

score: -100
Wrong Answer
time: 1ms
memory: 3600kb

input:

15134
][
)(
)([[
[)([
)][)
]])(
([]([]
]]))][
[([](]
()[))]
][(]](
([()[)
()[]((
[)([)(
]]([[)]]
)[()])]]
))[](([]
](([((]]
))[)][)[
[)])([(]
[()[]))[
)][(]()]
[[((]()]
((]])[[)
])(](]])
)]]()[](
([)[])])
[[)[()](
([[)[[()
[[)([]))
[)[[)[()
))[(([)(
()][)[](]]
[()]([[([[
)[]))][)][
)]([]([(][
[])])(...

output:

Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
Yes
No
Yes
No
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
Yes
No
No
Yes
No
No
No
No
Yes
No
No
No
No
No
No
Yes
No
No
Yes
Yes
No
No
No
Yes
No
No
No
No
Yes
No
No
No
Yes
Yes
No
No
Yes
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No...

result:

wrong output format YES or NO expected, but [(](([[(([([ found [106th token]