CSES - Aalto Competitive Programming 2024 - wk9 - Wed - Results
Submission details
Task:Bracket sequence
Sender:aalto2024j_001
Submission time:2024-11-06 16:53:28 +0200
Language:C++ (C++20)
Status:READY
Result:
Test results
testverdicttime
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Code

#include <bits/stdc++.h>

using namespace std;

#define debug(x) cerr << #x << ": " << x << endl;
#define ll long long
#define ull unsigned long long
#define vi vector<int>


string longest_valid_pattern(string s) {
    int count = 0;

    string result = "";

    string current = "";
    for (char c : s) {

        current += c;

        if (c == '(') {
            count++;
        }

        else { // ')'
            if (count == 0) {
                current = "";
            } else {
                count--;
            }
        }

        if (current.size() > result.size() && count == 0) result = current;
    }

    return result;
}

string reverse_par(string &s) {
    string r = "";
    for (auto it = s.rbegin(); it != s.rend(); it++) {
        if (*it == '(') r += ')';
        else r += '(';
    }
    return r;
}


int main() {
    string s;
    cin >> s;

    string r1 = longest_valid_pattern(s);
    string r2 = longest_valid_pattern(reverse_par(s));


    if (r1.size() > 0) cout << r1 << endl;
    else if (r2.size() > 0) cout << reverse_par(r2) << endl;

    else cout << -1 << endl;

    return 0;
}

Test details

Test 1

Verdict: ACCEPTED

input
(

correct output
-1

user output
-1

Test 2

Verdict: ACCEPTED

input
))

correct output
-1

user output
-1

Test 3

Verdict: ACCEPTED

input
((

correct output
-1

user output
-1

Test 4

Verdict: ACCEPTED

input
()

correct output
()

user output
()

Test 5

Verdict: ACCEPTED

input
(()

correct output
()

user output
()

Test 6

Verdict: ACCEPTED

input
()()

correct output
()()

user output
()()

Test 7

Verdict: ACCEPTED

input
))))

correct output
-1

user output
-1

Test 8

Verdict: ACCEPTED

input
())(

correct output
()

user output
()

Test 9

Verdict: ACCEPTED

input
(()(

correct output
()

user output
()

Test 10

Verdict: ACCEPTED

input
)))))

correct output
-1

user output
-1

Test 11

Verdict: ACCEPTED

input
())(()

correct output
()

user output
()

Test 12

Verdict: ACCEPTED

input
))(()(

correct output
()

user output
()

Test 13

Verdict: ACCEPTED

input
()(())

correct output
()(())

user output
()(())

Test 14

Verdict: ACCEPTED

input
()(())

correct output
()(())

user output
()(())

Test 15

Verdict: ACCEPTED

input
()((((

correct output
()

user output
()

Test 16

Verdict: ACCEPTED

input
(())(())((

correct output
(())(())

user output
(())(())

Test 17

Verdict: ACCEPTED

input
)))((()(((

correct output
()

user output
()

Test 18

Verdict: ACCEPTED

input
(()))(((((

correct output
(())

user output
(())

Test 19

Verdict: ACCEPTED

input
())(()())(

correct output
(()())

user output
(()())

Test 20

Verdict: ACCEPTED

input
))))))))))

correct output
-1

user output
-1

Test 21

Verdict: ACCEPTED

input
())(())(()

correct output
(())

user output
(())

Test 22

Verdict: ACCEPTED

input
)((())(()(

correct output
(())

user output
(())

Test 23

Verdict: ACCEPTED

input
()(())()()

correct output
()(())()()

user output
()(())()()

Test 24

Verdict: ACCEPTED

input
()(())((()

correct output
()(())

user output
()(())

Test 25

Verdict: ACCEPTED

input
()((((((((

correct output
()

user output
()

Test 26

Verdict:

input
((((((())))))))(((((((((()))))...

correct output
(((((())))))(((((((((()))))(((...

user output
((((((()))))))

Test 27

Verdict: ACCEPTED

input
)))((()((((((()()))(())(()(())...

correct output
((()((((((()()))(())(()(()))((...

user output
((()((((((()()))(())(()(()))((...

Test 28

Verdict:

input
(()))((((((())(((()))))(())())...

correct output
(((())((()()(((((())()))())))(...

user output
(())

Test 29

Verdict: ACCEPTED

input
())))))))(((((((((())))(()))))...

correct output
(((((((((())))(())))))((((((()...

user output
(((((((((())))(())))))((((((()...

Test 30

Verdict: ACCEPTED

input
))))))))))))))))))))))))))))))...

correct output
-1

user output
-1

Test 31

Verdict: ACCEPTED

input
())(())(()()()(()()()))((())((...

correct output
(())(()()()(()()()))((())(((((...

user output
(())(()()()(()()()))((())(((((...

Test 32

Verdict: ACCEPTED

input
(((((((((()))))))))((((((((())...

correct output
((((((((()))))))))

user output
((((((((()))))))))

Test 33

Verdict:

input
()(())()()()(((((())))(((()())...

correct output
((((())))(((()()))((())(())())...

user output
()(())()()()

Test 34

Verdict: ACCEPTED

input
()(())((()))(((())))((((()))))...

correct output
()(())((()))(((())))((((()))))...

user output
()(())((()))(((())))((((()))))...

Test 35

Verdict: ACCEPTED

input
()(((((((()(((((((((()())())))...

correct output
()(((((((()(((((((((()())())))...

user output
()(((((((()(((((((((()())())))...

Test 36

Verdict:

input
((((((((((((())))))))))))))))(...

correct output
((((((((((((((()))))))))))))((...

user output
((((((((((((()))))))))))))

Test 37

Verdict: ACCEPTED

input
)))((()((((((()()))(())(()(())...

correct output
((()((((()(()((()(())()((()())...

user output
((()((((()(()((()(())()((()())...

Test 38

Verdict: ACCEPTED

input
(()))((((((())(((()))))(())())...

correct output
((((((())(((()))))(())())())((...

user output
((((((())(((()))))(())())())((...

Test 39

Verdict: ACCEPTED

input
(()))))))))))))))(((((((((((((...

correct output
(((((((((((((((((()))))))((())...

user output
(((((((((((((((((()))))))((())...

Test 40

Verdict: ACCEPTED

input
))))))))))))))))))))))))))))))...

correct output
-1

user output
-1

Test 41

Verdict: ACCEPTED

input
())(())(()()()(()()()))((())((...

correct output
(())(()()()(()()()))((())(((((...

user output
(())(()()()(()()()))((())(((((...

Test 42

Verdict: ACCEPTED

input
))))(((((((((((((())))))))))))...

correct output
((((((((((((()))))))))))))

user output
((((((((((((()))))))))))))

Test 43

Verdict:

input
()(())()()()(((((())))(((()())...

correct output
()()(((()())(()(((()(()(()(()(...

user output
()(())()()()

Test 44

Verdict: ACCEPTED

input
()(())((()))(((())))((((()))))...

correct output
()(())((()))(((())))((((()))))...

user output
()(())((()))(((())))((((()))))...

Test 45

Verdict: ACCEPTED

input
()(((((((()(((((((((()())())))...

correct output
()(((((((()(((((((((()())())))...

user output
()(((((((()(((((((((()())())))...

Test 46

Verdict: ACCEPTED

input
((((((((((((((((((((((((((((((...

correct output
((((((((((((((((((((((((((((((...

user output
((((((((((((((((((((((((((((((...

Test 47

Verdict: ACCEPTED

input
)))((()((((((()()))(())(()(())...

correct output
(((())()((()))()())((((((()(()...

user output
(((())()((()))()())((((((()(()...

Test 48

Verdict:

input
(()))((((((())(((()))))(())())...

correct output
((()))(()()((()()((((()()()(()...

user output
((((((())(((()))))(())())())((...

Test 49

Verdict: ACCEPTED

input
(((((((())))))))))))))))))))))...

correct output
((((((((((((((((((((((((((((((...

user output
((((((((((((((((((((((((((((((...

Test 50

Verdict: ACCEPTED

input
))))))))))))))))))))))))))))))...

correct output
-1

user output
-1

Test 51

Verdict:

input
())(())(()()()(()()()))((())((...

correct output
(((()((((((()(((((()(((()(((()...

user output
((()()))(((()(((((()()()))()()...

Test 52

Verdict:

input
(((((((())))))))))))))))))))))...

correct output
((((((((((((((((((((((((((((((...

user output
(((((((())))))))

Test 53

Verdict: ACCEPTED

input
()(())()()()(((((())))(((()())...

correct output
()(())()()()(((((())))(((()())...

user output
()(())()()()(((((())))(((()())...

Test 54

Verdict: ACCEPTED

input
()(())((()))(((())))((((()))))...

correct output
()(())((()))(((())))((((()))))...

user output
()(())((()))(((())))((((()))))...

Test 55

Verdict: ACCEPTED

input
()(((((((()(((((((((()())())))...

correct output
(((())((())(())(((()(()()(()()...

user output
(((())((())(())(((()(()()(()()...

Test 56

Verdict: ACCEPTED

input
((((((((((((((((((((((((((((((...

correct output
((((((((((((((((((((((((((((((...

user output
((((((((((((((((((((((((((((((...

Test 57

Verdict:

input
)))((()((((((()()))(())(()(())...

correct output
(((()))(())(())(((((()())()(()...

user output
()()((((()))))((()(((((()))(()...

Test 58

Verdict: ACCEPTED

input
(()))((((((())(((()))))(())())...

correct output
(()()(()((()(((()(((()()()()((...

user output
(()()(()((()(((()(((()()()()((...

Test 59

Verdict: ACCEPTED

input
((((((((((((((((((((((((((((((...

correct output
((((((((((((((((((((((((((((((...

user output
((((((((((((((((((((((((((((((...

Test 60

Verdict: ACCEPTED

input
))))))))))))))))))))))))))))))...

correct output
-1

user output
-1

Test 61

Verdict: ACCEPTED

input
())(())(()()()(()()()))((())((...

correct output
(()(()()()(()())(())((((((()((...

user output
(()(()()()(()())(())((((((()((...

Test 62

Verdict: ACCEPTED

input
))))))))))))))))))))))))))))))...

correct output
((((((((((((((((((((((((((((((...

user output
((((((((((((((((((((((((((((((...

Test 63

Verdict: ACCEPTED

input
()(())()()()(((((())))(((()())...

correct output
(()()((((())()()())())))((())(...

user output
(()()((((())()()())())))((())(...

Test 64

Verdict: ACCEPTED

input
()(())((()))(((())))((((()))))...

correct output
()(())((()))(((())))((((()))))...

user output
()(())((()))(((())))((((()))))...

Test 65

Verdict:

input
()(((((((()(((((((((()())())))...

correct output
()(((((()()))()))()(())(((()((...

user output
(((())((())(())(((()(()()(()()...