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QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#301245	#7894. Many Many Heads	ship2077	WA	7ms	3904kb	C++14	758b	2024-01-09 16:34:25	2024-01-09 16:34:26

Judging History

你现在查看的是最新测评结果

[2024-01-09 16:34:26]
评测

测评结果：WA
用时：7ms
内存：3904kb

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[2024-01-09 16:34:25]
提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef unsigned long long ull;
mt19937_64 mt(time(NULL));
constexpr int M=1e5+5;string s;
int n,tp,a[M],stk[M];
ull Hash,val[2],base[M];
void solve(){
	cin>>s;n=s.length();s=" "+s;
	val[0]=mt();val[1]=mt();Hash=0;
	for (int i=1;i<=n;i++) base[i]=mt();
	for (int i=1;i<=n;i++) a[i]=s[i]=='('||s[i]==')';
	unordered_map<ull,int>mp[2];mp[a[1]][0]=1;
	for (int i=1;i<=n;i++){
		if (tp&&a[stk[tp]]==a[i])
			Hash-=base[tp--]*val[a[i]];
		else Hash+=base[++tp]*val[a[i]],stk[tp]=i;
		if (mp[a[i]][Hash]>1) return puts("No"),void();
		if (i<n) mp[a[i+1]][Hash]++;
	}
	puts("Yes");
}
int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	int T;cin>>T;while (T--) solve();
	return 0;
}

Source code, Language: C++14

Details

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Test #1:

score: 100

Accepted

time: 1ms

memory: 3684kb

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: 3764kb

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: 7ms

memory: 3904kb

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
Yes
No
No
No
No
N...

result:

wrong answer expected NO, found YES [85th token]