CSES - Aalto Competitive Programming 2024 - wk9 - Wed - Results
Submission details
Task:Bracket sequence
Sender:aalto2024j_004
Submission time:2024-11-06 17:08:00 +0200
Language:C++ (C++17)
Status:READY
Result:ACCEPTED
Test results
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Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:15:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     for (int i = 0; i < s.size(); i++) {
      |                     ~~^~~~~~~~~~
input/code.cpp:26:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |                 if (len > res.size()) {
      |                     ~~~~^~~~~~~~~~~~

Code

#include <iostream>
#include <string>
#include <vector>

using namespace std;

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

    vector<int> stack = {-1};
    string res = "";

    for (int i = 0; i < s.size(); i++) {
        if (s[i] == '(') {
            stack.push_back(i);
        } 
        else {
            stack.pop_back();
            if (stack.empty()) {
                stack.push_back(i);
            } 
            else {
                int len = i - stack.back();
                if (len > res.size()) {
                    res = s.substr(stack.back() + 1, len);
                }
            }
        }
    }
    if (res == "")
        cout << "-1" << endl;
    else
        cout << res << 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: 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
()(((((()()))()))()(())(((()((...