QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#277043 | #7894. Many Many Heads | SSH# | WA | 454ms | 3624kb | C++20 | 1.2kb | 2023-12-06 14:54:17 | 2023-12-06 14:54:18 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
using namespace std;
void solve();
signed main() {
cin.sync_with_stdio(0);
cin.tie(0);
int T = 1;
cin >> T;
while (T--) {
solve();
}
return 0;
}
bool judge(string s) {
stack<char> st;
for (int i = 0; i < (int)s.size(); i++) {
if (s[i] == '(') {
st.push(s[i]);
} else if (s[i] == ')') {
if (!(st.size() && st.top() == '(')) {
return false;
}
st.pop();
} else if (s[i] == '[') {
st.push(s[i]);
} else {
if (!(st.size() && st.top() == '[')) {
return false;
}
st.pop();
}
}
if (st.size())return false;
return true;
}
void solve() {
string s;
cin >> s;
int n = s.size();
if (n >= 16) {
cout << "No\n";
return;
}
int ans = 0;
for (int i = 0; i < (1ll << n); i++) {
string ss = s;
for (int j = 0; j < n; j++) {
if ((i >> j) & 1) {
if (s[j] == '(' || s[j] == ')') ss[j] = '(';
else ss[j] = '[';
} else {
if (s[j] == '(' || s[j] == ')') ss[j] = ')';
else ss[j] = ']';
}
}
if (judge(ss)) {
// cout << ss << "\n";
ans++;
}
}
if (ans == 1) {
cout << "Yes\n";
} else cout << "No\n";
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3528kb
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: 3552kb
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: 454ms
memory: 3624kb
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 answer expected YES, found NO [461st token]