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ID	题目	提交者	结果	用时	内存	语言	文件大小	提交时间	测评时间
#643084	#7894. Many Many Heads	666ldc	WA	14ms	3620kb	C++17	3.1kb	2024-10-15 18:40:42	2024-10-15 18:40:42

Judging History

你现在查看的是最新测评结果

[2024-10-15 18:40:42]
评测

测评结果：WA
用时：14ms
内存：3620kb

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[2024-10-15 18:40:42]
提交

answer

#pragma GCC optimize(2)
#pragma GCC optimize(3, "Ofast", "inline")
#include <bits/stdc++.h>
using namespace std;
#define x first
#define y second
#define int long long
#define endl '\n'
using i128 = __int128;
using i64 = long long;
using f128 = long double;
using u64 = unsigned long long;
using pii = pair<int, int>;
const int INF = 0x3f3f3f3f, mod = 1e9 + 7;
const i64 inf = 2e18;
//-------------------------------------------
void solve()
{
    string s;
    cin >> s;
    vector<int> stk;
    bool flag = false;
    map<char, int> hx;
    hx['('] = 0, hx[')'] = 0;
    hx['['] = 1, hx[']'] = 1;
    vector<int> v[2];
    for (int i = 0; i < s.size(); i++)
    {
        int id = hx[s[i]];
        v[id].push_back(i);
        if (!stk.empty() && id == stk.back())
            stk.pop_back();
        else
            stk.push_back(id);
    }

    if (!stk.empty())
    {
        cout << "No" << endl;
        return;
    }

    // 有4个连续的且差值为偶数的相同括号序列
    auto check = [&](vector<int> &v)
    {
        vector<int> cnt, stk;
        for (int i = 1; i < v.size(); i++)
            cnt.push_back(v[i] - v[i - 1] - 1);
        int ct = 0;
        for (int i = 0; i < cnt.size(); i++)
        {
            // cerr << cnt[i] << endl;
            if (cnt[i] % 2 == 1)
            {
                if (ct > 0)
                {
                    int sum = cnt[i];
                    while (!stk.empty())
                    {
                        sum += stk.back();
                        if (stk.back() % 2 == 1)
                        {
                            stk.pop_back();
                            ct--;
                            break;
                        }
                        else
                        {
                            stk.pop_back();
                        }
                    }
                    stk.push_back(sum);
                }
                else
                {
                    ct++;
                    stk.push_back(cnt[i]);
                }
            }
            else
            {
                stk.push_back(cnt[i]);
            }
            // cerr << stk.size() <<  endl;
            if (stk.size() >= 3)
            {
                bool flag = false;
                for (int j = stk.size() - 1; j + 3 >= stk.size(); j--)
                {
                    //cerr << stk[j] << " " << i << " " << j << " " << stk.size() - 3 << endl;
                    if (stk[j] % 2 == 1)
                    {
                        flag = true;
                        break;
                    }
                }
                if (!flag)
                {
                    return true;
                }
            }
        }
        return false;
    };

    // check(v[0]);
    if (check(v[0]) || check(v[1]))
        cout << "No" << endl;
    else
        cout << "Yes" << endl;
}
signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int T = 1;
    cin >> T;
    for (int i = 1; i <= T; i++)
        solve();
    return 0;
}

源文件, 语言: C++17

详细

Test #1:

score: 100

Accepted

time: 0ms

memory: 3544kb

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: 3616kb

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: 14ms

memory: 3620kb

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

result:

wrong answer expected YES, found NO [43rd token]