QOJ.ac

QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#717010	#7894. Many Many Heads	lihua	WA	3ms	3840kb	C++20	1.8kb	2024-11-06 16:37:39	2024-11-06 16:37:40

Judging History

你现在查看的是最新测评结果

[2024-11-06 16:37:40]
评测

测评结果：WA
用时：3ms
内存：3840kb

查看

[2024-11-06 16:37:39]
提交

answer

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/hash_policy.hpp>
#include <ext/pb_ds/trie_policy.hpp>
#include <ext/pb_ds/priority_queue.hpp>
#include <ext/rope>

using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;

#define int long long
const int N = 2e6 + 10;
const int INF = 0x3f3f3f3f3f3f3f3fLL;
typedef __int128 ll;

int a[N];
string s;

void solve() {
	int k = 0;
	cin >> s;
	for (register int i = 0; i < s.size(); ++i) {
		if (s[i] == '(' || s[i] == ')')	a[++k] = 1;
		else	a[++k] = 0;
	}
	stack<int> st;
	for (register int i = 1; i <= k; ++i) {
		if (st.empty()) {
			st.push(a[i]);
		}
		else {
			if (st.top() == 0) {
				if (a[i] == 1)	continue;
				else	st.pop();
			}
			else {
				if (st.size() >= 4) {
					cout << "No" << "\n";
					return;
				}
				st.push(a[i]);
				if (st.size() >= 4 && st.top()) {
					cout << "No" << "\n";
					return;
				}
			}
		}
	}
	if (!st.empty() && st.top() && st.size() >= 4) {
		cout << "No" << "\n";
		return;
	}
	while (!st.empty()) {
		st.pop();
	}
	for (register int i = 1; i <= k; ++i) {
		if (st.empty()) {
			st.push(a[i]);
		}
		else {
			if (st.top() == 1) {
				if (a[i] == 0)	continue;
				else	st.pop();
			}
			else {
				if (st.size() >= 4) {
					cout << "No" << "\n";
					return;
				}
				st.push(a[i]);
				if (st.size() >= 4 && !st.top()) {
					cout << "No" << "\n";
					return;
				}
			}
		}
	}
	if (!st.empty() && !st.top() && st.size() >= 4) {
		cout << "No" << "\n";
		return;
	}
	cout << "Yes" << "\n";
	return;
}

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	
	int t = 1;
	cin >> t;
	while (t--) {
		solve();
	}
	return 0;
}

Source code, Language: C++20

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 0ms

memory: 3812kb

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: 3840kb

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: 3ms

memory: 3560kb

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

result:

wrong answer expected YES, found NO [36th token]