CSES - Aalto Competitive Programming 2024 - wk9 - Wed - Results
Submission details
Task:Bracket sequence
Sender:aalto2024j_006
Submission time:2024-11-06 16:36:33 +0200
Language:C++ (C++17)
Status:READY
Result:
Test results
testverdicttime
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Compiler report

input/code.cpp: In function 'void solve()':
input/code.cpp:30:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     for (int i = 0; i < s.size(); i++)
      |                     ~~^~~~~~~~~~
input/code.cpp:32:33: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |         if (!start.empty() && i < s.size()-1 && s[i] == ')' && s[i+1] == '(')
      |                               ~~^~~~~~~~~~~~

Code

#include <iostream>
#include <vector>
#include <array>
#include <string>
#include <algorithm>
#include <numeric>
#include <unordered_map>
#include <unordered_set>
#include <queue>
#include <climits>
#include <cmath>
#include <functional>
#include <type_traits>
#include <fstream>
#include <bitset>
 
#define int long long
using namespace std;
 

void solve() {
    string s;
    cin >> s;

    vector<int> start;
    start.reserve(s.size());

    int maxLength = 0;
    int maxIdx = -1;
    for (int i = 0; i < s.size(); i++)
    {
        if (!start.empty() && i < s.size()-1 && s[i] == ')' && s[i+1] == '(')
        {
            i++;
            continue;
        }

        if (s[i] == '(')
        {
            start.push_back(i);
        }
        else
        {
            if (start.empty())
                continue;
            
            /*
            if (start.back() == maxIdx + maxLength + 1)
            {
                maxLength += i - start.back() + 1;
            }
            */
            if (i - start.back() > maxLength)
            {
                maxLength = i - start.back();
                maxIdx = start.back();
            }

            start.pop_back();

        }
    }


    if (maxIdx == -1)
        cout << -1;
    else
        cout << s.substr(maxIdx, maxLength+1);
}
 
 
signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
 
    int t = 1;
 
    //cin >> t;
    //ifstream f("testcase.txt");
    //cin.rdbuf(f.rdbuf());
 
    for (int i = 0; i < t; i++)
        solve();
 
    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:

input
(()(

correct output
()

user output
-1

Test 10

Verdict: ACCEPTED

input
)))))

correct output
-1

user output
-1

Test 11

Verdict: ACCEPTED

input
())(()

correct output
()

user output
()

Test 12

Verdict:

input
))(()(

correct output
()

user output
-1

Test 13

Verdict: ACCEPTED

input
()(())

correct output
()(())

user output
()(())

Test 14

Verdict: ACCEPTED

input
()(())

correct output
()(())

user output
()(())

Test 15

Verdict:

input
()((((

correct output
()

user output
-1

Test 16

Verdict:

input
(())(())((

correct output
(())(())

user output
()

Test 17

Verdict:

input
)))((()(((

correct output
()

user output
-1

Test 18

Verdict: ACCEPTED

input
(()))(((((

correct output
(())

user output
(())

Test 19

Verdict:

input
())(()())(

correct output
(()())

user output
()()

Test 20

Verdict: ACCEPTED

input
))))))))))

correct output
-1

user output
-1

Test 21

Verdict:

input
())(())(()

correct output
(())

user output
()

Test 22

Verdict:

input
)((())(()(

correct output
(())

user output
()

Test 23

Verdict: ACCEPTED

input
()(())()()

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

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

Test 24

Verdict:

input
()(())((()

correct output
()(())

user output
()

Test 25

Verdict:

input
()((((((((

correct output
()

user output
-1

Test 26

Verdict: ACCEPTED

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:

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

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

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

Test 33

Verdict:

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

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

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

Test 34

Verdict:

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:

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

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

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

Test 43

Verdict:

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

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

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

Test 44

Verdict:

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:

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

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

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

Test 55

Verdict:

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:

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

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

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

Test 63

Verdict: ACCEPTED

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

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

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

Test 64

Verdict:

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

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

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

Test 65

Verdict:

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

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

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