Submission details
Task:Sulkulauseke
Sender:Yytsi
Submission time:2025-12-20 15:07:34 +0200
Language:C++ (C++20)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2, 3details
#2ACCEPTED0.00 s1, 2, 3details
#3ACCEPTED0.00 s1, 2, 3details
#4ACCEPTED0.01 s1, 2, 3details
#5ACCEPTED0.00 s1, 2, 3details
#6ACCEPTED0.00 s1, 2, 3details
#7ACCEPTED0.00 s1, 2, 3details
#8ACCEPTED0.00 s1, 2, 3details
#9ACCEPTED0.00 s1, 2, 3details
#100.00 s1, 2, 3details
#110.00 s1, 2, 3details
#12ACCEPTED0.00 s1, 2, 3details
#13ACCEPTED0.00 s2, 3details
#140.00 s2, 3details
#150.00 s2, 3details
#160.00 s2, 3details
#17ACCEPTED0.00 s2, 3details
#18ACCEPTED0.01 s3details
#190.00 s3details
#200.00 s3details
#210.00 s3details
#22ACCEPTED0.01 s3details
#23ACCEPTED0.01 s3details
#240.00 s3details
#25ACCEPTED0.00 s2, 3details
#26ACCEPTED0.01 s3details
#27ACCEPTED0.00 s2, 3details
#28ACCEPTED0.00 s3details
#29ACCEPTED0.00 s2, 3details
#30ACCEPTED0.01 s3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:13:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |   for (int i = 0; i < s.size(); i++) {
      |                   ~~^~~~~~~~~~

Code

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

int main() {
  ios_base::sync_with_stdio(0); cin.tie(0);
  string s; cin>>s;

  int not_closed = 0;

  string nw = "";

  for (int i = 0; i < s.size(); i++) {
    char c = s[i];
    if (c == '(') {
      not_closed++;
      nw += "(";
    } else if (c == ')') {
      if (not_closed == 0) {
        return cout << "IMPOSSIBLE\n", 0;
      }
      not_closed--;
      nw += ")";
    } else {
      if (not_closed == 0) {
        nw += "(";
        not_closed++;
      } else {
        nw += ")";
        not_closed--;
      }
    }
  }

  if (not_closed == 0) cout << nw << "\n";
  else cout << "IMPOSSIBLE\n";
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
?

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
??

correct output
()

user output
()

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
(()

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
((()

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
())(

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
)???

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
()?(

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 8

Group: 1, 2, 3

Verdict: ACCEPTED

input
()(())(())

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

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

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

input
?)(())(()?

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

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

Test 10

Group: 1, 2, 3

Verdict:

input
(?))?(()))

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

user output
IMPOSSIBLE

Test 11

Group: 1, 2, 3

Verdict:

input
(?)((?????

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

user output
IMPOSSIBLE

Test 12

Group: 1, 2, 3

Verdict: ACCEPTED

input
??????????

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

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

Test 13

Group: 2, 3

Verdict: ACCEPTED

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

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

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

Test 14

Group: 2, 3

Verdict:

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

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

user output
IMPOSSIBLE

Test 15

Group: 2, 3

Verdict:

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

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

user output
IMPOSSIBLE

Test 16

Group: 2, 3

Verdict:

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

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

user output
IMPOSSIBLE

Test 17

Group: 2, 3

Verdict: ACCEPTED

input
??????????????????????????????...

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

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

Test 18

Group: 3

Verdict: ACCEPTED

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

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

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

Test 19

Group: 3

Verdict:

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

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

user output
IMPOSSIBLE

Test 20

Group: 3

Verdict:

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

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

user output
IMPOSSIBLE

Test 21

Group: 3

Verdict:

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

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

user output
IMPOSSIBLE

Test 22

Group: 3

Verdict: ACCEPTED

input
??????????????????????????????...

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

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

Test 23

Group: 3

Verdict: ACCEPTED

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

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

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

Test 24

Group: 3

Verdict:

input
??????????????????????????????...

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

user output
IMPOSSIBLE

Test 25

Group: 2, 3

Verdict: ACCEPTED

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

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 26

Group: 3

Verdict: ACCEPTED

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

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 27

Group: 2, 3

Verdict: ACCEPTED

input
)?????????????????????????????...

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 28

Group: 3

Verdict: ACCEPTED

input
)?????????????????????????????...

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 29

Group: 2, 3

Verdict: ACCEPTED

input
??????????????????????????????...

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 30

Group: 3

Verdict: ACCEPTED

input
??????????????????????????????...

correct output
IMPOSSIBLE

user output
IMPOSSIBLE