CSES - NOI 2019

Submission details
Task:	Thieves and Prisons
Sender:	Niklas Sandén
Submission time:	2019-03-13 00:17:05 +0200
Language:	C++
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	RUNTIME ERROR	0
#2	WRONG ANSWER	0
#3	RUNTIME ERROR	0
#4	RUNTIME ERROR	0
#5	RUNTIME ERROR	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.01 s	2, 4, 5	details
#2	ACCEPTED	0.02 s	2, 4, 5	details
#3	ACCEPTED	0.02 s	2, 4, 5	details
#4	ACCEPTED	0.01 s	2, 4, 5	details
#5	ACCEPTED	0.01 s	2, 4, 5	details
#6	ACCEPTED	0.02 s	4, 5	details
#7	ACCEPTED	0.02 s	4, 5	details
#8	ACCEPTED	0.02 s	4, 5	details
#9	ACCEPTED	0.02 s	1, 3, 4, 5	details
#10	ACCEPTED	0.02 s	1, 3, 4, 5	details
#11	RUNTIME ERROR	0.02 s	1, 3, 4, 5	details
#12	ACCEPTED	0.01 s	1, 3, 4, 5	details
#13	ACCEPTED	0.02 s	1, 3, 4, 5	details
#14	ACCEPTED	0.01 s	1, 3, 4, 5	details
#15	ACCEPTED	0.01 s	1, 3, 4, 5	details
#16	ACCEPTED	0.02 s	1, 3, 4, 5	details
#17	ACCEPTED	0.01 s	1, 2, 3, 4, 5	details
#18	ACCEPTED	0.02 s	1, 3, 4, 5	details
#19	WRONG ANSWER	0.06 s	2, 5	details
#20	ACCEPTED	0.05 s	2, 5	details
#21	ACCEPTED	0.05 s	2, 5	details
#22	ACCEPTED	0.05 s	5	details
#23	ACCEPTED	0.04 s	5	details
#24	WRONG ANSWER	0.01 s	3, 4, 5	details
#25	WRONG ANSWER	0.03 s	3, 4, 5	details
#26	WRONG ANSWER	0.02 s	3, 4, 5	details
#27	WRONG ANSWER	0.01 s	3, 4, 5	details
#28	ACCEPTED	0.02 s	4, 5	details
#29	RUNTIME ERROR	0.02 s	4, 5	details
#30	ACCEPTED	0.01 s	4, 5	details
#31	ACCEPTED	0.02 s	4, 5	details
#32	ACCEPTED	0.01 s	2, 4, 5	details
#33	RUNTIME ERROR	0.01 s	2, 4, 5	details
#34	ACCEPTED	0.02 s	2, 4, 5	details
#35	ACCEPTED	0.03 s	2, 4, 5	details
#36	WRONG ANSWER	0.04 s	3, 5	details
#37	WRONG ANSWER	0.05 s	3, 5	details
#38	RUNTIME ERROR	0.04 s	3, 5	details
#39	WRONG ANSWER	0.05 s	3, 5	details
#40	ACCEPTED	0.04 s	5	details
#41	ACCEPTED	0.04 s	5	details
#42	ACCEPTED	0.06 s	5	details
#43	ACCEPTED	0.05 s	5	details
#44	ACCEPTED	0.05 s	2, 5	details
#45	ACCEPTED	0.05 s	2, 5	details
#46	ACCEPTED	0.05 s	2, 5	details
#47	ACCEPTED	0.05 s	2, 5	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:114:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if (unfinishedReleases.size() > k)
        ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~

Code

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

#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define trav(a, x) for(auto& a : x)
#define all(x) x.begin(), x.end()
#define allP(x) x->begin(), x->end()
#define sz(x) (int)(x).size()

// #define int ll

typedef long long ll;

const int inf = 0x3f3f3f3f;
const long long mod = 1000000007;

int main()
{
	cin.sync_with_stdio(false);
	cin.tie(NULL);
	// cin.exceptions(cin.failbit);
	// cout << setprecision(10);
	// cout << fixed;

	int n, k, m; cin >> n >> k >> m;

	vector<pair<char, int>> actions(m);
	for (int i = 0; i < m; i++)
	{
		char character; cin >> character;
		int prisoner; cin >> prisoner;
		prisoner--;

		actions[i] = make_pair(character, prisoner);
	}

	// Normal
	bool isPossible = true;
	vector<int> answers; answers.reserve(m);

	// Specifics
	unordered_set<int> tempImprisoned;

	while (actions.size() > 0 && actions.back().first == 'C')
	{
		if (tempImprisoned.find(actions.back().second) != tempImprisoned.end())
		{
			isPossible = false;
			actions.clear();
			break;
		}

		tempImprisoned.insert(actions.back().second);
		answers.push_back(0);

		actions.pop_back();
	}

	reverse(all(actions));

	// Specifics
	int latestReleaser = -1;

	int prisonReleaseIndex = 0;
	int lastPrisonCapturedIndex = -1;

	vector<pair<int, int>> unfinishedReleases;

	for (auto& action : actions)
	{
		char& c = action.first;
		int& prisoner = action.second;

		if (c == 'C')
		{
			if (latestReleaser == prisoner)
			{
				isPossible = false;
				break;
			}
			
			if (unfinishedReleases.size() > 0)
			{
				if (unfinishedReleases.back().second == prisoner)
				{
					lastPrisonCapturedIndex = unfinishedReleases[unfinishedReleases.size() - 2].first;

					unfinishedReleases[unfinishedReleases.size() - 2] = unfinishedReleases.back();
					unfinishedReleases.pop_back();
				}
				else
				{
					lastPrisonCapturedIndex = unfinishedReleases.back().first;

					unfinishedReleases.pop_back();
				}

				answers.push_back(lastPrisonCapturedIndex);
			}
			else
			{
				answers.push_back(lastPrisonCapturedIndex);
			}
		}
		else
		{
			latestReleaser = prisoner;
			unfinishedReleases.push_back(make_pair(prisonReleaseIndex, prisoner));

			answers.push_back(prisonReleaseIndex);
			prisonReleaseIndex++;
			prisonReleaseIndex %= k;

			if (unfinishedReleases.size() > k)
			{
				isPossible = false;
				break;
			}
		}
	}

	if (unfinishedReleases.size() > 0)
	{
		isPossible = false;
	}

	reverse(all(answers));

	if (isPossible == false)
	{
		cout << "IMPOSSIBLE";
	}
	else
	{
		for (auto& answer : answers)
		{
			cout << answer + 1 << ' ';
		}
	}

	return 0;
}

Test details

Test 1

Group: 2, 4, 5

Verdict: ACCEPTED

input
`1 1 1 C 1` view save

correct output
`1` view save

user output
`1` view save

Test 2

Group: 2, 4, 5

Verdict: ACCEPTED

input
`1 1 1 O 1` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 3

Group: 2, 4, 5

Verdict: ACCEPTED

input
`1 1 2 C 1 C 1` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 4

Group: 2, 4, 5

Verdict: ACCEPTED

input
`1 1 2 C 1 O 1` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 5

Group: 2, 4, 5

Verdict: ACCEPTED

input
`1 1 2 O 1 C 1` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 6

Group: 4, 5

Verdict: ACCEPTED

input
`2 1 2 C 1 C 2` view save

correct output
`1 1` view save

user output
`1 1` view save

Test 7

Group: 4, 5

Verdict: ACCEPTED

input
`2 1 2 C 1 O 1` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 8

Group: 4, 5

Verdict: ACCEPTED

input
`2 1 2 C 1 O 2` view save

correct output
`1 1` view save

user output
`1 1` view save

Test 9

Group: 1, 3, 4, 5

Verdict: ACCEPTED

input
`3 2 5 C 1 C 2 O 3 C 1 ...` view save

correct output
`1 1 1 1 1` view save

user output
`1 1 1 1 1` view save

Test 10

Group: 1, 3, 4, 5

Verdict: ACCEPTED

input
`3 2 5 C 1 C 2 O 3 O 3 ...` view save

correct output
`2 1 2 1 1` view save

user output
`1 2 2 1 1` view save

Test 11

Group: 1, 3, 4, 5

Verdict: RUNTIME ERROR

input
`3 2 5 C 1 C 2 O 3 O 1 ...` view save

correct output
`2 1 2 1 1` view save

user output
(empty)

Error:

free(): invalid pointer

Test 12

Group: 1, 3, 4, 5

Verdict: ACCEPTED

input
`3 2 5 C 1 C 2 O 1 O 3 ...` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 13

Group: 1, 3, 4, 5

Verdict: ACCEPTED

input
`3 2 4 C 1 O 2 C 1 O 3` view save

correct output
`1 1 1 1` view save

user output
`2 2 1 1` view save

Test 14

Group: 1, 3, 4, 5

Verdict: ACCEPTED

input
`3 2 4 C 1 O 2 C 2 O 1` view save

correct output
`1 1 1 1` view save

user output
`2 2 1 1` view save

Test 15

Group: 1, 3, 4, 5

Verdict: ACCEPTED

input
`3 2 3 C 1 C 2 C 3` view save

correct output
`1 1 1` view save

user output
`1 1 1` view save

Test 16

Group: 1, 3, 4, 5

Verdict: ACCEPTED

input
`3 2 3 O 1 C 2 C 3` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 17

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`2 2 7 C 1 O 2 O 2 O 2 ...` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 18

Group: 1, 3, 4, 5

Verdict: ACCEPTED

input
`4 2 5 C 2 O 3 C 1 O 4 ...` view save

correct output
`1 1 1 1 1` view save

user output
`2 2 1 1 1` view save

Test 19

Group: 2, 5

Verdict: WRONG ANSWER

input
`100000 100000 100000 C 1 C 2 C 3 C 4 ...` view save

correct output
`50000 49999 49998 49997 49996 ...` view save

user output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` Truncated

Test 20

Group: 2, 5

Verdict: ACCEPTED

input
`100000 100000 100000 C 1 C 2 C 3 C 4 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` Truncated

Test 21

Group: 2, 5

Verdict: ACCEPTED

input
`100000 100000 100000 C 1 C 2 C 3 C 4 ...` view save

correct output
`20000 20000 20000 20000 20000 ...` view save

user output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` Truncated

Test 22

Group: 5

Verdict: ACCEPTED

input
`100000 100 100000 C 1 C 2 C 3 C 4 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` Truncated

Test 23

Group: 5

Verdict: ACCEPTED

input
`100000 99 100000 C 1 C 2 C 3 C 4 ...` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 24

Group: 3, 4, 5

Verdict: WRONG ANSWER

input
`500 2 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 ...` Truncated

Test 25

Group: 3, 4, 5

Verdict: WRONG ANSWER

input
`500 2 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 ...` view save

user output
`2 2 1 1 2 2 1 1 2 2 1 1 1 1 2 ...` Truncated

Test 26

Group: 3, 4, 5

Verdict: WRONG ANSWER

input
`500 2 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 ...` view save

user output
`2 2 1 1 2 2 2 2 1 1 2 2 2 2 1 ...` Truncated

Test 27

Group: 3, 4, 5

Verdict: WRONG ANSWER

input
`500 2 500 C 384 O 62 C 387 C 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` Truncated

Test 28

Group: 4, 5

Verdict: ACCEPTED

input
`500 250 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`250 250 249 249 248 248 247 24...` Truncated

Test 29

Group: 4, 5

Verdict: RUNTIME ERROR

input
`500 250 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 2 1 3 ...` view save

user output
(empty)

Error:

double free or corruption (out)

Test 30

Group: 4, 5

Verdict: ACCEPTED

input
`500 250 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 3 2 3 3 2 2 2 5 4 2 ...` view save

user output
`206 206 205 205 197 198 204 20...` Truncated

Test 31

Group: 4, 5

Verdict: ACCEPTED

input
`500 250 500 C 384 O 62 C 387 C 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`109 109 108 108 108 108 108 10...` Truncated

Test 32

Group: 2, 4, 5

Verdict: ACCEPTED

input
`500 500 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`250 250 249 249 248 248 247 24...` Truncated

Test 33

Group: 2, 4, 5

Verdict: RUNTIME ERROR

input
`500 500 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 2 1 3 ...` view save

user output
(empty)

Error:

double free or corruption (out)

Test 34

Group: 2, 4, 5

Verdict: ACCEPTED

input
`500 500 500 C 384 O 62 C 387 O 473 ...` view save

correct output
`1 1 1 1 2 1 3 3 3 2 2 2 2 4 5 ...` view save

user output
`206 206 205 205 197 198 204 20...` Truncated

Test 35

Group: 2, 4, 5

Verdict: ACCEPTED

input
`500 500 500 C 384 O 62 C 387 C 473 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`109 109 108 108 108 108 108 10...` Truncated

Test 36

Group: 3, 5

Verdict: WRONG ANSWER

input
`100000 2 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 ...` Truncated

Test 37

Group: 3, 5

Verdict: WRONG ANSWER

input
`100000 2 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 ...` view save

user output
`1 1 2 2 1 1 2 2 1 1 2 2 2 2 1 ...` Truncated

Test 38

Group: 3, 5

Verdict: RUNTIME ERROR

input
`100000 2 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 ...` view save

user output
`2 2 1 1 2 2 2 2 1 1 2 2 2 2 1 ...` Truncated

Error:

double free or corruption (out)

Test 39

Group: 3, 5

Verdict: WRONG ANSWER

input
`100000 2 100000 C 89384 O 54062 C 85387 C 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` Truncated

Test 40

Group: 5

Verdict: ACCEPTED

input
`100000 50000 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`49999 49999 49998 49998 49997 ...` Truncated

Test 41

Group: 5

Verdict: ACCEPTED

input
`100000 50000 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 3 2 1 ...` view save

user output
`49999 49999 49998 49998 49997 ...` Truncated

Test 42

Group: 5

Verdict: ACCEPTED

input
`100000 50000 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 3 2 3 3 3 3 3 3 4 5 ...` view save

user output
`39939 39939 39938 39938 39930 ...` Truncated

Test 43

Group: 5

Verdict: ACCEPTED

input
`100000 50000 100000 C 89384 O 54062 C 85387 C 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`20160 20160 20159 20159 20159 ...` Truncated

Test 44

Group: 2, 5

Verdict: ACCEPTED

input
`100000 100000 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`49999 49999 49998 49998 49997 ...` Truncated

Test 45

Group: 2, 5

Verdict: ACCEPTED

input
`100000 100000 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 3 2 1 ...` view save

user output
`49999 49999 49998 49998 49997 ...` Truncated

Test 46

Group: 2, 5

Verdict: ACCEPTED

input
`100000 100000 100000 C 89384 O 54062 C 85387 O 53318 ...` view save

correct output
`1 1 1 1 2 1 3 3 3 3 3 3 4 5 3 ...` view save

user output
`39939 39939 39938 39938 39930 ...` Truncated

Test 47

Group: 2, 5

Verdict: ACCEPTED

input
`100000 100000 100000 C 89384 O 54062 C 85387 C 53318 ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`20160 20160 20159 20159 20159 ...` Truncated

NOI 2019

Thieves and Prisons

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

Test 30

Test 31

Test 32

Test 33

Test 34

Test 35

Test 36

Test 37

Test 38

Test 39

Test 40

Test 41

Test 42

Test 43

Test 44

Test 45

Test 46

Test 47

Tasks

Submissions (Niklas Sandén)