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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#682191 | #7894. Many Many Heads | mvec | WA | 8ms | 3836kb | C++14 | 1.9kb | 2024-10-27 14:21:10 | 2024-10-27 14:21:11 |
Judging History
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 true;
return true;
}
int main()
{
int t;
cin >> t;
while (t--)
{
int n;
cin >> s;
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
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3488kb
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: 3772kb
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: 8ms
memory: 3836kb
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 Yes Yes Yes No No No Yes No No No No Yes No No No Yes Yes Yes No Yes No No No No No No Yes No No No No No No No No No No Yes Yes No No No No No No...
result:
wrong answer expected NO, found YES [45th token]