CSES - Datatähti 2024 loppu

CSES - Datatähti 2024 loppu - Results

Submission details
Task:	Sulut
Sender:	cppbetter
Submission time:	2024-01-20 15:55:58 +0200
Language:	C++20
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	WRONG ANSWER	0
#3	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.00 s	1, 2, 3	details
#2	ACCEPTED	0.00 s	1, 2, 3	details
#3	ACCEPTED	0.00 s	1, 2, 3	details
#4	ACCEPTED	0.00 s	1, 2, 3	details
#5	ACCEPTED	0.00 s	1, 2, 3	details
#6	ACCEPTED	0.00 s	1, 2, 3	details
#7	ACCEPTED	0.00 s	1, 2, 3	details
#8	ACCEPTED	0.00 s	1, 2, 3	details
#9	ACCEPTED	0.00 s	1, 2, 3	details
#10	WRONG ANSWER	0.00 s	1, 2, 3	details
#11	ACCEPTED	0.00 s	1, 2, 3	details
#12	ACCEPTED	0.00 s	1, 2, 3	details
#13	ACCEPTED	0.00 s	1, 2, 3	details
#14	WRONG ANSWER	0.00 s	1, 2, 3	details
#15	WRONG ANSWER	0.00 s	1, 2, 3	details
#16	ACCEPTED	0.00 s	1, 2, 3	details
#17	RUNTIME ERROR	0.00 s	1, 2, 3	details
#18	ACCEPTED	0.00 s	1, 2, 3	details
#19	ACCEPTED	0.00 s	1, 2, 3	details
#20	ACCEPTED	0.00 s	2, 3	details
#21	WRONG ANSWER	0.00 s	2, 3	details
#22	WRONG ANSWER	0.00 s	2, 3	details
#23	WRONG ANSWER	0.00 s	2, 3	details
#24	WRONG ANSWER	0.00 s	2, 3	details
#25	ACCEPTED	0.01 s	3	details
#26	WRONG ANSWER	0.02 s	3	details
#27	WRONG ANSWER	0.02 s	3	details
#28	WRONG ANSWER	0.02 s	3	details
#29	WRONG ANSWER	0.02 s	3	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:76:25: warning: comparison of integer expressions of different signedness: 'll' {aka 'long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |         for(ll i = 0; i < c.size(); i++) {
      |                       ~~^~~~~~~~~~

Code

#include <bits/stdc++.h>

using namespace std;
using ll = int64_t;


// (())()
// ()(())

//#define TEST

int main() {
    ll n, k;
    #ifndef TEST
    cin >> n >> k;
    #endif
    
    #ifdef TEST
    for(ll x = 1; x <= 10; x++) {
    for(ll y = 0; y <= x; y++) {
    n = x;
    k = y;
    #endif

    if(k % 2 != 0 || n % 2 != 0) {
        cout << "IMPOSSIBLE\n";
    } else {
        string s;
        for(ll i = 0; i < n/2; i++)
            s += "(";
        for(ll i = 0; i < n/2; i++)
            s += ")";
        string c = s;
        if(n / 2 == k) {
            c.clear();
            for(ll i = 0; i < k; i++) {
                c += "()";
            }
        } else {
            ll center = n/2 - 1;
            ll nk = min(k, n/2);
            if(nk % 2 != 0)
                nk--;
            for(ll i = 0; i < nk / 2; i++) {
                c[center] = ')';
                c[center + 2] = '(';
                center--;
            }
        }

        #if 1
        bool test = false;
        again:
        // CHECK
        ll t = 0;
        for(auto e : c) {
            if(e == '(')
                t++;
            else
                t--;
            if(t < 0)
                throw runtime_error("False");
        }
        if(t != 0)
            throw runtime_error("False");
        for(auto e : s) {
            if(e == '(')
                t++;
            else
                t--;
            if(t < 0)
                throw runtime_error("False");
        }
        if(t != 0)
            throw runtime_error("False");
        for(ll i = 0; i < c.size(); i++) {
            if(c[i] != s[i])
                t++;
            if(t > k)
                throw runtime_error("False");
        }
        if(t != k) {
            if(!test) {
                s = c;
                reverse(s.begin(), s.end());
                for(auto& c : s) {
                    if(c == '(')
                        c = ')';
                    else
                        c = '(';
                }
                test = true;
                goto again;
            }
            cout << "IMPOSSIBLE\n";
            #ifdef TEST
            continue;
            #else
            return 0;
            #endif   
        }
        #endif
        cout << c << "\n";
        cout << s << "\n";
    }
    #ifdef TEST
    }
    }
    #endif
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
`2 0` view save

correct output
`() ()` view save

user output
`() ()` view save

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
`4 0` view save

correct output
`()() ()()` view save

user output
`(()) (())` view save

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
`4 2` view save

correct output
`()() (())` view save

user output
`()() (())` view save

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
`6 0` view save

correct output
`()()() ()()()` view save

user output
`((())) ((()))` view save

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
`6 2` view save

correct output
`()()() ()(())` view save

user output
`(())() ((()))` view save

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
`6 4` view save

correct output
`()()() (()())` view save

user output
`(())() ()(())` view save

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
`8 0` view save

correct output
`()()()() ()()()()` view save

user output
`(((()))) (((())))` view save

Test 8

Group: 1, 2, 3

Verdict: ACCEPTED

input
`8 2` view save

correct output
`()()()() ()()(())` view save

user output
`((())()) (((())))` view save

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

input
`8 4` view save

correct output
`()()()() ()(()())` view save

user output
`()()()() (((())))` view save

Test 10

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`8 6` view save

correct output
`()()()() (()()())` view save

user output
`IMPOSSIBLE` view save

Test 11

Group: 1, 2, 3

Verdict: ACCEPTED

input
`10 0` view save

correct output
`()()()()() ()()()()()` view save

user output
`((((())))) ((((()))))` view save

Test 12

Group: 1, 2, 3

Verdict: ACCEPTED

input
`10 2` view save

correct output
`()()()()() ()()()(())` view save

user output
`(((())())) ((((()))))` view save

Test 13

Group: 1, 2, 3

Verdict: ACCEPTED

input
`10 4` view save

correct output
`()()()()() ()()(()())` view save

user output
`((())(())) ((((()))))` view save

Test 14

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`10 6` view save

correct output
`()()()()() ()(()()())` view save

user output
`IMPOSSIBLE` view save

Test 15

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`10 8` view save

correct output
`()()()()() (()()()())` view save

user output
`IMPOSSIBLE` view save

Test 16

Group: 1, 2, 3

Verdict: ACCEPTED

input
`4 1` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 17

Group: 1, 2, 3

Verdict: RUNTIME ERROR

input
`4 4` view save

correct output
`IMPOSSIBLE` view save

user output
(empty)

Error:

terminate called after throwing an instance of 'std::runtime_error'
  what():  False

Test 18

Group: 1, 2, 3

Verdict: ACCEPTED

input
`5 1` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 19

Group: 1, 2, 3

Verdict: ACCEPTED

input
`5 2` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 20

Group: 2, 3

Verdict: ACCEPTED

input
`100 0` view save

correct output
`()()()()()()()()()()()()()()()...` view save

user output
`((((((((((((((((((((((((((((((...` Truncated

Test 21

Group: 2, 3

Verdict: WRONG ANSWER

input
`100 10` view save

correct output
`()()()()()()()()()()()()()()()...` view save

user output
`IMPOSSIBLE` view save

Test 22

Group: 2, 3

Verdict: WRONG ANSWER

input
`100 42` view save

correct output
`()()()()()()()()()()()()()()()...` view save

user output
`IMPOSSIBLE` view save

Test 23

Group: 2, 3

Verdict: WRONG ANSWER

input
`100 80` view save

correct output
`()()()()()()()()()()()()()()()...` view save

user output
`IMPOSSIBLE` view save

Test 24

Group: 2, 3

Verdict: WRONG ANSWER

input
`100 98` view save

correct output
`()()()()()()()()()()()()()()()...` view save

user output
`IMPOSSIBLE` view save

Test 25

Group: 3

Verdict: ACCEPTED

input
`1000000 0` view save

correct output
`()()()()()()()()()()()()()()()...` view save

user output
`((((((((((((((((((((((((((((((...` Truncated

Test 26

Group: 3

Verdict: WRONG ANSWER

input
`1000000 42` view save

correct output
`()()()()()()()()()()()()()()()...` view save

user output
`IMPOSSIBLE` view save

Test 27

Group: 3

Verdict: WRONG ANSWER

input
`1000000 4242` view save

correct output
`()()()()()()()()()()()()()()()...` view save

user output
`IMPOSSIBLE` view save

Test 28

Group: 3

Verdict: WRONG ANSWER

input
`1000000 424242` view save

correct output
`()()()()()()()()()()()()()()()...` view save

user output
`IMPOSSIBLE` view save

Test 29

Group: 3

Verdict: WRONG ANSWER

input
`1000000 999998` view save

correct output
`()()()()()()()()()()()()()()()...` view save

user output
`IMPOSSIBLE` view save

Datatähti 2024 loppu

Sulut

Compiler report

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Tasks

Submissions (cppbetter)