CSES - Aalto Competitive Programming 2024 - wk9 - Wed - Results
Submission details
Task:Bracket sequence
Sender:aalto2024j_007
Submission time:2024-11-06 16:46:30 +0200
Language:C++ (C++20)
Status:READY
Result:ACCEPTED
Test results
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Code

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;

string a;
int n;

int longest(int i){
    stack<char> s;
    int l = -1;
    for(int k=i; k<n; k++){
        char x = a[k];
        if(x == ')'){
            if(s.size() == 0){
                return l;
            }
            char y = s.top();
            if(y != '('){
                return l;
            }
            s.pop();
            if(s.size() == 0){
                l = k - i + 1;
            }
        }
        else{
            s.push(x);
        }
    }
    return l;
}

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    string ai;
    getline(cin, ai);
    n = ai.size();
    a = ai;

    // vector<pair<int,ll>> coll;

    // cout << a << endl;

    int m = -1;
    int mi = -1;
    int me = -1;
    for(int i=0; i<n;){
        int l = longest(i);
        if(l > m){
            mi = i;
            me = i + l;
            m = l;
        }
        i += max(1, l);
    }
    // cout << "Here\n";

    if(m == -1)
        cout << -1 << "\n";
    else{
        // cout << m << " " << mi << " " << me << "\n";
        for(int i=mi; i<me; i++){
            cout << a[i];
        }
        cout << "\n";
    }
        // cout << string(a+mi, a+me) << "\n";
}

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: ACCEPTED

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

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

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

Test 27

Verdict: ACCEPTED

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

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

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

Test 28

Verdict: ACCEPTED

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: ACCEPTED

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: ACCEPTED

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: ACCEPTED

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: ACCEPTED

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: ACCEPTED

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

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

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

Test 52

Verdict: ACCEPTED

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: ACCEPTED

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: ACCEPTED

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

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

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