QOJ.ac
QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#643616 | #7894. Many Many Heads | tkt0506 | TL | 582ms | 3856kb | C++14 | 1.6kb | 2024-10-15 22:21:32 | 2024-10-15 22:21:33 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
string s, t;
int ans = 0, n, tot1, tot2;
void dfs(int pos, int cnt1, int cnt2, int sum1, int sum2, string t2){
if(pos == n){
if(sum1==0 && sum2==0){
ans++;
return ;
}
}
if(ans > 1 || sum1 < 0 || sum2 < 0 || cnt1 > tot1/2 || cnt2 > tot2/2)return ;
if(s[pos] == '('){
t.push_back('(');
t2.push_back('(');
dfs(pos+1, cnt1+1, cnt2, sum1+1, sum2,t2);
t.pop_back();
t2.pop_back();
if(t2.size() && t2.back() == '('){
t.push_back(')');
t2.pop_back();
dfs(pos+1,cnt1,cnt2,sum1-1,sum2,t2);
t.pop_back();
t2.push_back('(');
}
}else{
t.push_back('[');
t2.push_back('[');
dfs(pos+1, cnt1, cnt2+1, sum1, sum2+1,t2);
t.pop_back();
t2.pop_back();
if(t2.size() && t2.back() == '['){
t.push_back(']');
t2.pop_back();
dfs(pos+1,cnt1,cnt2,sum1,sum2-1,t2);
t.pop_back();
t2.push_back('[');
}
}
}
void solve(){
cin >> s;
n = s.length();
ans = tot1 = tot2 = 0;
for(int i=0; i<n; i++){
if(s[i]==')')s[i] = '(';
if(s[i]==']')s[i] = '[';
if(s[i]=='(')tot1++;
if(s[i]=='[')tot2++;
}
if(n > 30){
cout << "No\n";
return ;
}
dfs(0,0,0,0,0,"");
if(ans > 1)cout << "No\n";
else cout << "Yes\n";
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
int t;
cin >> t;
while(t--)solve();
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3660kb
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: 3588kb
input:
2 (([([[([ ]]))])]])]
output:
Yes No
result:
ok 2 token(s): yes count is 1, no count is 1
Test #3:
score: 0
Accepted
time: 35ms
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:
ok 15134 token(s): yes count is 132, no count is 15002
Test #4:
score: 0
Accepted
time: 32ms
memory: 3856kb
input:
100000 ][[][[ ())))( )()))) ]]][[[ )[]))( ()[[)( )()))) [[[][] [][][] ))[]]] ]]]][[ ][]]][ (][))) ((([]( ][[]]] )([)([ ))()(( [)[[)[ ((())) )(][[] ][[[[[ ()(((( ][][]] ][)()( ]]]]][ (()(() )([((] [][[]] ]][]][ )((()) ][[[[[ [)[[([ (([[)( (((()) )((()( ))()() ()(((( [[][][ ))[])( (((()( ]]][[] ()[[]]...
output:
No No No No No No No No No No No No No No No Yes No Yes 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 No No No No No No No No No Yes Yes No No No Yes No No Yes 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 Yes No No No...
result:
ok 100000 token(s): yes count is 12468, no count is 87532
Test #5:
score: 0
Accepted
time: 45ms
memory: 3796kb
input:
100000 ))()()() ][]][][[ [[]]]][] ()(()((( ]][[]]]] ][[[]]]] [[][[][] )((()(() )()]]))( ]]][][[[ [))]]])) (][(())) ]([[)])) (())()(( [[]]]]]] ())((((( ))(((()( ]]]][]]] [](][))) ((()())) [[][[]][ ((]))])) [[]]]][] ))([((]) )([][[][ [][[[][] []][)][) )()(())( )((()()( ]]))((]] )())(()( [[[][[[] (()([...
output:
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 No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No Yes 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 No ...
result:
ok 100000 token(s): yes count is 3122, no count is 96878
Test #6:
score: 0
Accepted
time: 57ms
memory: 3564kb
input:
100000 (())((()() ))])((((([ [[((]()))[ ]](][][[[( [[][][]][] ()([[()))( ()))()))() ][[[[]][[] ]][[[][][[ [])((()))) ][[[[]]][] [][[[]]]]] ][]][[[][] (])][][([( ())()()))) []]][[[[][ ]](][([])( [][[[[[]]] ([)((([[]( )]()](][)) []])[[([() ([()]([][[ ]]][]][[]] [)()(((()[ ([]]][][]) ()())(()(( [][]][[...
output:
No No No No No No No No No No No No No No No No No No No No No No No No No No No 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 No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No...
result:
ok 100000 token(s): yes count is 1153, no count is 98847
Test #7:
score: 0
Accepted
time: 61ms
memory: 3596kb
input:
83333 ][]]])(()((] [[[])]]([))[ [][]]][[))]] [(()[))[(](( ))((([[)))(( ([)))]]]])[) ][][]][][[[[ ]]][[((][[][ ([[([[([][[( [[))))(]))]( )[))()]()(][ [([[][[])[[] ]())([)[((]) ()(())[[()(( ]))(]](][][] ]()()[)(][[[ ]][][[][[[(( (((()([))()[ )([]([])((]] ][]]]][]][[] ]))[]][]([[( ][[[]]]][]]] ()[)(())...
output:
No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No ...
result:
ok 83333 token(s): yes count is 248, no count is 83085
Test #8:
score: 0
Accepted
time: 68ms
memory: 3828kb
input:
71428 ))][[[[]][]]][ [)][[][][](][] []))(((]])()(( ]][[)]])])[]([ ([]((([[[][[[[ [[)][))[[[]][) ][[[)[][[)]]][ ([[))([(]])[(( ])[[)[[]][][(( ()))()(((()))( [][[]][]()][[] [(())((][))))[ )(()))))(())() )()(()()))())( ))((((((()))() )()())())))((( [[[)]))])[[]][ )]]))([)([)((( ][][[[[[[[]]]] [[[[[]]]]...
output:
No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No ...
result:
ok 71428 token(s): yes count is 71, no count is 71357
Test #9:
score: 0
Accepted
time: 76ms
memory: 3564kb
input:
62500 )]((][))()((()[) ][][][[[[][[]][[ )(())((((((()()( (][([))[[()]]))] )(()()))))()((() ][]](([[[][[]])) ((()())()]])[((] (][(][]]]]]))[(( (())())()))((([[ (])(()()()]()([] ][))])()(()()]() [[[([[)]][[]][][ ][]][]]][[[][]]] ([(]]()))))(()[( ))()(()[)))[](]) ()[]()())(((((() ()]()[)(]())([]] (())]...
output:
No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No ...
result:
ok 62500 token(s): yes count is 14, no count is 62486
Test #10:
score: 0
Accepted
time: 92ms
memory: 3640kb
input:
55555 ))(][([)[](([](]]] ](][[]]][][[(][[[] ((())())()(((()))( )((((((())((()))]] [[]]]][][]]]]][][[ ]]]][][]]]](]()[)[ [][([]([[[[[)(]()[ )])(()()(())]()))) (())))()))(())()() )][())(()])()([()) ][]]][]]](]][]][)] ))(()(()[)(()[()() ]]]]]][[[[][[[]][] )]())[[][)(())][[( ][)()]]([[](([)()) )](][([()...
output:
No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No ...
result:
ok 55555 token(s): yes count is 3, no count is 55552
Test #11:
score: 0
Accepted
time: 121ms
memory: 3692kb
input:
50000 [[[[[]]]((())][([][[ ((()())())))()())))( )([)(]()(](())))[(() )(](][)))](()(((([[( )((]((((]))([))[(()) ))()()))())(([[))()( ()(()[)((((((((([)(( ]]([[[[)([[]]([)][)[ [)()])([[)[[[[)])()] ](]])[][)][((][([])) ]][[[[]]]][][]]]][[] ()((()())([]())))()( )]]][(][[[[][]]]][]] )(]]]]][)))(]][]]]]] ...
output:
No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No ...
result:
ok 50000 token(s): yes count is 0, no count is 50000
Test #12:
score: 0
Accepted
time: 180ms
memory: 3564kb
input:
45454 ))[))]((())())([))[]]) ][[]]][)([)]([()]())[) ]][][]][][][]]]][[][[] ]][[]]]]][[[][[[[[[]][ (())())((())())(())))( ][[])[[)[[[]]]][][]][] ]][[]][[][[]][][]]]][[ [(]([()][))[)](([[[[(] ])[]][][([][]([][[[[(] ][[]][][[][]][][[]][[[ )))))(()()()))()))))() (]()[))()(())][((())(( ])([[)[][[[[()[[[[...
output:
No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No ...
result:
ok 45454 token(s): yes count is 0, no count is 45454
Test #13:
score: 0
Accepted
time: 298ms
memory: 3632kb
input:
41666 [)(()])()))(())))())((() ][][[][]]]]][[]][[])]])] (()))])[[][)(())[()[])][ ]][[][]]]][]][][]][][][] [](](]]][[[][([[][[([[[] ])(][)[](][[])))]])))][] [[][[[][][]]][[[[[[[[][] ]((())))))(())(([[())(([ ())[)()(((())()(()()[)() ][[][]][]][[]]]]]]][][[[ ]]][(][][[[[[[[[))[][]]( [(][[[](]])[]([]]]]...
output:
No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No ...
result:
ok 41666 token(s): yes count is 0, no count is 41666
Test #14:
score: 0
Accepted
time: 582ms
memory: 3512kb
input:
38461 ]]]]]][[[][[[[[][[[[[[]]]] )]))())([)((])))))[)(]()([ ])())))[((([))()()()]))()( (](()())())(])][((]((()))] [[](][[][][[][([[[[[[][[[[ ([)]([[]](()(][)(([)[]()]( [[]]]]]]]][[]][[][]][[[][[ []](]))))[[)[]]))[([(((][] )[[([((())((()())()((()((] []]][]]]][[][[[[[[[]]]][[[ []][][[][]][)][[])[][[[]...
output:
No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No ...
result:
ok 38461 token(s): yes count is 0, no count is 38461
Test #15:
score: -100
Time Limit Exceeded
input:
35714 ]]]])([]]][))][)()[[))(([[)] ]](]][[][[)[]()[][[)[[[(]]() ](]][[]]()(]][]]]][][])((([] [())])([([(((([(]]([)(()([[( []][]][](()[[[]][][[][[][[[) ))))())(()()(()())(()))()()( ]](]())[]]][)]])[(][[]()[[[( (][[[[[[]][[]][[[([][[)[]([[ ))[))[[(())]())(]]((][](([)) [)]()[)((()](]())([])(])(()( ]]][...
output:
No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No ...