CSES - Putka Open 2025 – 1/5

Submission details
Task:	Järjestys
Sender:	jubidubi
Submission time:	2025-09-06 19:16:41 +0300
Language:	C++ (C++11)
Status:	READY
Result:	10

Feedback
group	verdict	score
#1	ACCEPTED	10
#2	TIME LIMIT EXCEEDED	0
#3	TIME LIMIT EXCEEDED	0
#4	TIME LIMIT EXCEEDED	0
#5	TIME LIMIT EXCEEDED	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.00 s	1, 4, 5	details
#2	ACCEPTED	0.00 s	1, 4, 5	details
#3	ACCEPTED	0.00 s	1, 4, 5	details
#4	ACCEPTED	0.01 s	1, 4, 5	details
#5	ACCEPTED	0.00 s	1, 4, 5	details
#6	ACCEPTED	0.00 s	1, 2, 4, 5	details
#7	ACCEPTED	0.01 s	1, 3, 4, 5	details
#8	ACCEPTED	0.01 s	1, 4, 5	details
#9	TIME LIMIT EXCEEDED	--	2, 4, 5	details
#10	TIME LIMIT EXCEEDED	--	3, 4, 5	details
#11	TIME LIMIT EXCEEDED	--	4, 5	details
#12	TIME LIMIT EXCEEDED	--	4, 5	details
#13	TIME LIMIT EXCEEDED	--	4, 5	details
#14	TIME LIMIT EXCEEDED	--	4, 5	details
#15	TIME LIMIT EXCEEDED	--	2, 5	details
#16	TIME LIMIT EXCEEDED	--	3, 5	details
#17	TIME LIMIT EXCEEDED	--	5	details
#18	TIME LIMIT EXCEEDED	--	5	details
#19	TIME LIMIT EXCEEDED	--	5	details
#20	TIME LIMIT EXCEEDED	--	5	details
#21	TIME LIMIT EXCEEDED	--	5	details
#22	TIME LIMIT EXCEEDED	--	5	details

Compiler report

input/code.cpp: In function 'void solve(int)':
input/code.cpp:14:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   14 |   if (path.size() == n) return;
      |       ~~~~~~~~~~~~^~~~
input/code.cpp:19:21: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   19 |     if (path.size() == n) return;
      |         ~~~~~~~~~~~~^~~~
input/code.cpp: In function 'int main()':
input/code.cpp:54:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   54 |       if (path.size() == n) break;
      |           ~~~~~~~~~~~~^~~~
input/code.cpp:58:21: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-comp...

Code

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

const int N = 505;
vector<int> v[N];
bool visited[N];
vector<int> path;

int n;
void solve(int x) {
  path.push_back(x);
  visited[x] = 1;
  if (path.size() == n) return;

  for (int nx : v[x]) {
    if (visited[nx]) continue;
    solve(nx);
    if (path.size() == n) return;
  }
  path.pop_back();
  visited[x] = 0;
}

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);

  int qqq;
  cin >> qqq;
  while (qqq--) {
    cin >> n;

    vector<pair<int, int>> p(n);
    for (int i = 0; i < n; ++i) cin >> p[i].first >> p[i].second;

    path.clear();
    for (int i = 0; i < n; ++i) {
      v[i].clear();
      visited[i] = 0;
    }

    for (int a = 0; a < n; ++a) {
      for (int b = 0; b < n; ++b) {
        if (a == b) continue;
        if (p[a].second <= p[b].first) v[a].push_back(b);
      }
    }

    int s = -1;
    for (int i = 0; i < n; ++i) {
      solve(i);

      if (path.size() == n) break;
      for (int j = 0; j < n; ++j) visited[j] = 0;
    }

    if (path.size() != n) {
      cout << "NO" << endl;
      continue;
    }

    cout << "YES" << endl;
    for (int x : path) {
      cout << p[x].first << " " << p[x].second << endl;
    }
  }
}

Test details

Test 1

Group: 1, 4, 5

Verdict: ACCEPTED

input
`100 1 74 75 1 100 43 ...` view save

correct output
`YES 74 75 YES 100 43 YES ...` view save

user output
`YES 74 75 YES 100 43 YES ...` Truncated

Test 2

Group: 1, 4, 5

Verdict: ACCEPTED

input
`100 2 80 54 51 61 2 ...` view save

correct output
`YES 51 61 80 54 YES 2 64 ...` view save

user output
`YES 51 61 80 54 YES 2 64 ...` Truncated

Test 3

Group: 1, 4, 5

Verdict: ACCEPTED

input
`100 3 3 74 91 45 100 24 ...` view save

correct output
`YES 3 74 100 24 91 45 YES ...` view save

user output
`YES 3 74 91 45 100 24 YES ...` Truncated

Test 4

Group: 1, 4, 5

Verdict: ACCEPTED

input
`100 4 88 50 62 41 12 86 ...` view save

correct output
`YES 12 86 88 50 62 41 66 93 ...` view save

user output
`YES 12 86 88 50 62 41 66 93 ...` Truncated

Test 5

Group: 1, 4, 5

Verdict: ACCEPTED

input
`100 5 82 80 80 92 5 22 ...` view save

correct output
`YES 5 22 94 13 82 80 80 92 ...` view save

user output
`YES 5 22 82 80 80 92 94 13 ...` Truncated

Test 6

Group: 1, 2, 4, 5

Verdict: ACCEPTED

input
`100 5 34 38 26 30 1 6 ...` view save

correct output
`YES 1 6 12 22 26 30 34 38 ...` view save

user output
`YES 1 6 12 22 26 30 34 38 ...` Truncated

Test 7

Group: 1, 3, 4, 5

Verdict: ACCEPTED

input
`100 5 50 40 28 25 51 7 ...` view save

correct output
`YES 51 7 50 40 47 1 17 11 ...` view save

user output
`YES 50 40 51 7 28 25 47 1 ...` Truncated

Test 8

Group: 1, 4, 5

Verdict: ACCEPTED

input
`100 5 2 2 2 1 1 1 ...` view save

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

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

Test 9

Group: 2, 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`100 100 175870020 296379324 248160539 883842002 21934885 781732852 ...` view save

correct output
`NO YES 4976156 6890135 10553287 11923223 14617057 17728163 ...` view save

user output
(empty)

Test 10

Group: 3, 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`100 100 447597377 314433951 700232436 691277009 937268439 708165426 ...` view save

correct output
`YES 998963839 391778929 995772196 257222033 995754704 553123757 994629465 247775824 ...` view save

user output
(empty)

Test 11

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`100 100 1 1 1 2 2 1 ...` view save

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

user output
(empty)

Test 12

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`100 100 7 1 6 3 10 9 ...` view save

correct output
`YES 6 7 7 8 9 10 10 10 ...` view save

user output
(empty)

Test 13

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`100 100 51 5 85 77 91 84 ...` view save

correct output
`YES 100 24 100 25 100 3 100 6 ...` view save

user output
(empty)

Test 14

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`100 100 823828194 863717310 593641073 340054211 420481158 965069109 ...` view save

correct output
`YES 999289319 634855378 996775156 433726648 983657502 55234695 981890636 112877413 ...` view save

user output
(empty)

Test 15

Group: 2, 5

Verdict: TIME LIMIT EXCEEDED

input
`100 500 88724450 89315226 266915464 267648621 189301651 189661541 ...` view save

correct output
`YES 764920 1459946 1936195 2832987 3691481 4085931 4991808 5840928 ...` view save

user output
(empty)

Test 16

Group: 3, 5

Verdict: TIME LIMIT EXCEEDED

input
`100 500 763682761 317584504 756010800 260162861 435911339 78070399 ...` view save

correct output
`YES 998768285 3307355 998714926 628486754 997115613 820932481 993320616 554600893 ...` view save

user output
(empty)

Test 17

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`100 500 2 2 2 1 1 2 ...` view save

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

user output
(empty)

Test 18

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`100 500 10 6 10 10 9 10 ...` view save

correct output
`YES 2 3 3 4 4 5 5 6 ...` view save

user output
(empty)

Test 19

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`100 500 85 87 89 70 70 92 ...` view save

correct output
`YES 96 97 100 67 100 10 100 97 ...` view save

user output
(empty)

Test 20

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`100 500 861154169 119512584 569086662 606567153 288230434 322196278 ...` view save

correct output
`YES 999945324 969534372 999738857 240617694 999244114 722161553 999207839 557351400 ...` view save

user output
(empty)

Test 21

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`100 500 116439250 401518028 280329609 193466222 674040956 209050570 ...` view save

correct output
`NO YES 773701149 773852119 987509190 315670966 977413249 510418200 ...` view save

user output
(empty)

Test 22

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`100 500 934181189 942499518 684836806 395802802 957884803 570946201 ...` view save

correct output
`YES 999772640 505132174 999111650 140844643 999028633 888134186 999020109 291046771 ...` view save

user output
(empty)

Putka Open 2025 – 1/5

Järjestys

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

Tasks

Submissions (jubidubi)