CSES - Aalto Competitive Programming 2024 - wk6 - Mon

CSES - Aalto Competitive Programming 2024 - wk6 - Mon - Results

Submission details
Task:	Terrible security
Sender:	arnxxau
Submission time:	2024-10-07 16:42:44 +0300
Language:	C++ (C++11)
Status:	READY
Result:	WRONG ANSWER

Test results
test	verdict	time
#1	WRONG ANSWER	0.00 s	details
#2	WRONG ANSWER	0.00 s	details
#3	ACCEPTED	0.00 s	details
#4	WRONG ANSWER	0.00 s	details
#5	ACCEPTED	0.00 s	details
#6	WRONG ANSWER	0.00 s	details
#7	ACCEPTED	0.00 s	details
#8	WRONG ANSWER	0.00 s	details
#9	WRONG ANSWER	0.00 s	details
#10	WRONG ANSWER	0.00 s	details
#11	WRONG ANSWER	0.00 s	details
#12	WRONG ANSWER	0.00 s	details
#13	WRONG ANSWER	0.00 s	details
#14	WRONG ANSWER	0.00 s	details
#15	WRONG ANSWER	0.00 s	details
#16	ACCEPTED	0.00 s	details
#17	WRONG ANSWER	0.00 s	details
#18	ACCEPTED	0.00 s	details
#19	WRONG ANSWER	0.00 s	details
#20	WRONG ANSWER	0.00 s	details
#21	WRONG ANSWER	0.00 s	details
#22	WRONG ANSWER	0.00 s	details
#23	WRONG ANSWER	0.00 s	details
#24	ACCEPTED	0.00 s	details
#25	WRONG ANSWER	0.00 s	details
#26	WRONG ANSWER	0.00 s	details
#27	WRONG ANSWER	0.00 s	details
#28	WRONG ANSWER	0.00 s	details
#29	WRONG ANSWER	0.00 s	details
#30	WRONG ANSWER	0.00 s	details
#31	ACCEPTED	0.00 s	details
#32	WRONG ANSWER	0.00 s	details
#33	WRONG ANSWER	0.00 s	details
#34	WRONG ANSWER	0.00 s	details
#35	WRONG ANSWER	0.00 s	details
#36	WRONG ANSWER	0.00 s	details
#37	WRONG ANSWER	0.00 s	details
#38	WRONG ANSWER	0.00 s	details
#39	WRONG ANSWER	0.00 s	details
#40	WRONG ANSWER	0.00 s	details
#41	WRONG ANSWER	0.00 s	details
#42	WRONG ANSWER	0.00 s	details
#43	WRONG ANSWER	0.00 s	details
#44	WRONG ANSWER	0.00 s	details
#45	WRONG ANSWER	0.00 s	details
#46	WRONG ANSWER	0.00 s	details
#47	WRONG ANSWER	0.00 s	details
#48	WRONG ANSWER	0.00 s	details
#49	WRONG ANSWER	0.00 s	details
#50	WRONG ANSWER	0.00 s	details
#51	WRONG ANSWER	0.00 s	details
#52	WRONG ANSWER	0.00 s	details
#53	WRONG ANSWER	0.01 s	details
#54	WRONG ANSWER	0.00 s	details
#55	WRONG ANSWER	0.00 s	details
#56	WRONG ANSWER	0.00 s	details
#57	WRONG ANSWER	0.00 s	details
#58	WRONG ANSWER	0.00 s	details
#59	WRONG ANSWER	0.00 s	details
#60	WRONG ANSWER	0.00 s	details
#61	WRONG ANSWER	0.00 s	details
#62	WRONG ANSWER	0.00 s	details
#63	WRONG ANSWER	0.00 s	details
#64	WRONG ANSWER	0.00 s	details
#65	WRONG ANSWER	0.02 s	details
#66	WRONG ANSWER	0.04 s	details
#67	WRONG ANSWER	0.04 s	details
#68	WRONG ANSWER	0.04 s	details
#69	WRONG ANSWER	0.04 s	details
#70	WRONG ANSWER	0.05 s	details
#71	WRONG ANSWER	0.04 s	details
#72	WRONG ANSWER	0.04 s	details
#73	WRONG ANSWER	0.03 s	details
#74	WRONG ANSWER	0.02 s	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:45:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   45 |     if (order.size() == n) {
      |         ~~~~~~~~~~~~~^~~~

Code

#include <iostream>
#include <vector>
#include <queue>

using namespace std;

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

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

    vector<vector<int>> adj(n + 1);
    vector<int> in_degree(n + 1, 0);

    for (int i = 0; i < m; ++i) {
        int a, b;
        cin >> a >> b;
        adj[a].push_back(b);
        in_degree[b]++;
    }

    queue<int> q;
    for (int i = 1; i <= n; ++i) {
        if (in_degree[i] == 0) {
            q.push(i);
        }
    }

    vector<int> order;
    while (!q.empty()) {
        int node = q.front();
        q.pop();
        order.push_back(node);

        for (int neighbor : adj[node]) {
            in_degree[neighbor]--;
            if (in_degree[neighbor] == 0) {
                q.push(neighbor);
            }
        }
    }

    if (order.size() == n) {
        for (int course : order) {
            cout << course << " ";
        }
        cout << endl;
    } else {
        cout << "IMPOSSIBLE" << endl;
    }

    return 0;
}

Test details

Test 1

Verdict: WRONG ANSWER

input
`1 1 1 1` view save

correct output
`1` view save

user output
`IMPOSSIBLE` view save

Test 2

Verdict: WRONG ANSWER

input
`2 2 2 1 1 1` view save

correct output
`2 2` view save

user output
`IMPOSSIBLE` view save

Test 3

Verdict: ACCEPTED

input
`2 1 1 2 1` view save

correct output
`1` view save

user output
`1 2` view save

Test 4

Verdict: WRONG ANSWER

input
`3 1 2 1 3 3` view save

correct output
`1` view save

user output
`2 3 1` view save

Test 5

Verdict: ACCEPTED

input
`3 1 2 1 3 2` view save

correct output
`2` view save

user output
`2 3 1` view save

Test 6

Verdict: WRONG ANSWER

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

correct output
`1 1 1` view save

user output
`IMPOSSIBLE` view save

Test 7

Verdict: ACCEPTED

input
`3 1 1 2 3 3` view save

correct output
`1` view save

user output
`1 3 2` view save

Test 8

Verdict: WRONG ANSWER

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

correct output
`2 1` view save

user output
`1 2 3` view save

Test 9

Verdict: WRONG ANSWER

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

correct output
`1 1 2` view save

user output
`IMPOSSIBLE` view save

Test 10

Verdict: WRONG ANSWER

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

correct output
`3 3 3` view save

user output
`1 4 2 3` view save

Test 11

Verdict: WRONG ANSWER

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

correct output
`1 1 1` view save

user output
`3 4 1 2` view save

Test 12

Verdict: WRONG ANSWER

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

correct output
`2` view save

user output
`1 2 3 4` view save

Test 13

Verdict: WRONG ANSWER

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

correct output
`1 1 2 2` view save

user output
`IMPOSSIBLE` view save

Test 14

Verdict: WRONG ANSWER

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

correct output
`2 2 2` view save

user output
`2 3 1 4` view save

Test 15

Verdict: WRONG ANSWER

input
`5 5 1 3 2 4 5 3 5 3 4 4` view save

correct output
`2 1 2 1 1` view save

user output
`IMPOSSIBLE` view save

Test 16

Verdict: ACCEPTED

input
`5 1 1 3 2 5 4 1` view save

correct output
`1` view save

user output
`1 2 4 5 3` view save

Test 17

Verdict: WRONG ANSWER

input
`5 5 1 2 5 4 3 3 3 3 2 2` view save

correct output
`2 2 2 1 1` view save

user output
`IMPOSSIBLE` view save

Test 18

Verdict: ACCEPTED

input
`5 1 1 2 3 4 5 3` view save

correct output
`1` view save

user output
`1 3 4 5 2` view save

Test 19

Verdict: WRONG ANSWER

input
`5 5 3 4 5 1 2 3 1 5 5 4` view save

correct output
`5 5 5 5 5` view save

user output
`IMPOSSIBLE` view save

Test 20

Verdict: WRONG ANSWER

input
`5 2 1 4 3 5 2 5 5` view save

correct output
`3 3` view save

user output
`1 2 3 4 5` view save

Test 21

Verdict: WRONG ANSWER

input
`5 2 1 5 3 2 4 5 1` view save

correct output
`3 1` view save

user output
`1 3 4 5 2` view save

Test 22

Verdict: WRONG ANSWER

input
`5 4 1 2 3 4 5 3 5 2 3` view save

correct output
`1 1 1 1` view save

user output
`1 5 3 2 4` view save

Test 23

Verdict: WRONG ANSWER

input
`5 2 3 1 2 4 5 5 2` view save

correct output
`1 3` view save

user output
`2 3 5 4 1` view save

Test 24

Verdict: ACCEPTED

input
`5 1 1 2 4 3 5 2` view save

correct output
`1` view save

user output
`1 3 4 5 2` view save

Test 25

Verdict: WRONG ANSWER

input
`10 5 6 2 4 5 3 1 7 8 10 9 7 7 4 5 3` view save

correct output
`1 1 3 3 3` view save

user output
`3 4 6 7 10 1 5 2 8 9` view save

Test 26

Verdict: WRONG ANSWER

input
`10 10 7 2 9 4 1 5 6 10 3 8 2 3 1 4 2 4 4 7 4 10` view save

correct output
`1 2 4 1 1 1 1 4 1 2` view save

user output
`IMPOSSIBLE` view save

Test 27

Verdict: WRONG ANSWER

input
`10 5 2 1 3 8 7 10 5 4 6 9 4 4 2 3 7` view save

correct output
`2 2 2 1 2` view save

user output
`2 3 5 6 7 1 8 4 9 10` view save

Test 28

Verdict: WRONG ANSWER

input
`10 9 1 7 5 4 3 2 8 6 9 10 5 9 1 2 1 3 3 1 1` view save

correct output
`2 1 1 4 1 2 2 1 1` view save

user output
`IMPOSSIBLE` view save

Test 29

Verdict: WRONG ANSWER

input
`10 10 3 4 5 6 7 8 9 10 1 2 6 2 10 9 8 7 7 6 3 2` view save

correct output
`5 5 5 5 5 5 5 5 5 5` view save

user output
`IMPOSSIBLE` view save

Test 30

Verdict: WRONG ANSWER

input
`10 5 1 4 6 5 9 7 3 8 2 10 1 7 4 8 4` view save

correct output
`1 3 4 1 4` view save

user output
`1 2 3 6 9 4 10 8 5 7` view save

Test 31

Verdict: ACCEPTED

input
`10 1 9 5 1 4 2 10 3 7 6 8 4` view save

correct output
`1` view save

user output
`1 2 3 4 6 7 8 9 10 5` view save

Test 32

Verdict: WRONG ANSWER

input
`10 10 1 3 2 5 4 6 7 10 8 9 4 6 3 6 1 1 5 3 1 5` view save

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

user output
`IMPOSSIBLE` view save

Test 33

Verdict: WRONG ANSWER

input
`10 6 8 6 3 10 1 5 7 2 4 9 9 3 5 1 7 5` view save

correct output
`3 1 5 5 1 5` view save

user output
`1 4 7 8 5 9 2 6 3 10` view save

Test 34

Verdict: WRONG ANSWER

input
`10 1 1 4 2 3 7 5 6 8 9 10 3` view save

correct output
`3` view save

user output
`1 2 3 5 6 7 8 9 10 4` view save

Test 35

Verdict: WRONG ANSWER

input
`100 78 8 2 4 12 9 1 7 6 3 11 10 5 15 ...` view save

correct output
`11 8 3 2 1 1 1 5 8 5 1 5 6 1 4...` view save

user output
`3 4 8 9 10 15 16 18 19 23 24 3...` Truncated

Test 36

Verdict: WRONG ANSWER

input
`100 6 7 17 9 15 1 5 6 19 16 8 20 12 ...` view save

correct output
`3 7 3 5 10 7` view save

user output
`1 2 3 4 6 7 9 10 11 13 14 16 1...` Truncated

Test 37

Verdict: WRONG ANSWER

input
`100 35 2 1 3 4 5 8 15 14 6 7 11 9 12 ...` view save

correct output
`5 12 2 2 12 13 13 12 7 12 3 12...` view save

user output
`2 3 5 6 10 11 12 15 18 20 22 2...` Truncated

Test 38

Verdict: WRONG ANSWER

input
`100 98 1 2 18 5 7 15 11 19 6 3 17 10 ...` view save

correct output
`16 7 14 11 4 11 14 14 14 16 14...` view save

user output
`IMPOSSIBLE` view save

Test 39

Verdict: WRONG ANSWER

input
`100 91 3 4 5 6 7 8 9 10 11 12 13 14 1...` view save

correct output
`50 50 50 50 50 50 50 50 50 50 ...` view save

user output
`IMPOSSIBLE` view save

Test 40

Verdict: WRONG ANSWER

input
`100 57 6 5 3 2 4 1 14 17 36 41 32 22 ...` view save

correct output
`1 2 12 2 1 7 5 10 3 10 10 29 1...` view save

user output
`3 4 6 8 11 13 14 16 18 20 21 2...` Truncated

Test 41

Verdict: WRONG ANSWER

input
`100 58 11 92 21 40 79 26 20 7 53 16 3...` view save

correct output
`18 68 68 18 68 18 18 68 68 68 ...` view save

user output
`IMPOSSIBLE` view save

Test 42

Verdict: WRONG ANSWER

input
`100 47 23 5 11 3 16 21 13 10 8 18 15 ...` view save

correct output
`15 15 10 10 10 10 1 5 10 10 7 ...` view save

user output
`1 4 6 7 8 11 13 14 15 16 20 23...` Truncated

Test 43

Verdict: WRONG ANSWER

input
`100 54 42 57 3 73 56 79 95 17 60 23 8...` view save

correct output
`72 8 72 18 72 72 18 72 1 72 72...` view save

user output
`3 6 8 9 10 11 12 16 18 21 22 2...` Truncated

Test 44

Verdict: WRONG ANSWER

input
`100 8 16 14 30 28 23 1 26 25 8 22 13...` view save

correct output
`21 3 1 1 6 21 1 4` view save

user output
`2 3 4 5 6 7 8 11 12 13 15 16 1...` Truncated

Test 45

Verdict: WRONG ANSWER

input
`200 32 8 2 4 12 9 1 7 6 3 11 10 5 15 ...` view save

correct output
`11 1 15 15 11 5 5 8 9 11 15 3 ...` view save

user output
`3 4 7 8 9 10 15 16 18 19 21 23...` Truncated

Test 46

Verdict: WRONG ANSWER

input
`200 30 7 17 9 15 1 5 6 19 16 8 20 12 ...` view save

correct output
`13 1 5 2 10 4 11 4 13 11 6 4 1...` view save

user output
`1 4 6 7 9 10 13 14 16 20 21 24...` Truncated

Test 47

Verdict: WRONG ANSWER

input
`200 87 2 1 3 4 5 8 15 14 6 7 11 9 12 ...` view save

correct output
`6 6 3 14 3 12 3 2 4 2 2 9 11 1...` view save

user output
`2 3 5 6 10 11 12 15 18 20 22 2...` Truncated

Test 48

Verdict: WRONG ANSWER

input
`200 75 1 2 18 5 7 15 11 19 6 3 17 10 ...` view save

correct output
`10 8 5 7 9 9 10 7 10 7 2 1 3 1...` view save

user output
`1 6 7 11 12 13 14 16 17 18 20 ...` Truncated

Test 49

Verdict: WRONG ANSWER

input
`200 181 3 4 5 6 7 8 9 10 11 12 13 14 1...` view save

correct output
`100 100 100 100 100 100 100 10...` view save

user output
`IMPOSSIBLE` view save

Test 50

Verdict: WRONG ANSWER

input
`200 63 6 5 10 2 8 1 3 4 9 12 11 7 82 ...` view save

correct output
`19 22 19 39 1 19 7 39 6 4 27 3...` view save

user output
`3 6 8 9 10 11 15 17 19 20 21 2...` Truncated

Test 51

Verdict: WRONG ANSWER

input
`200 99 11 92 21 164 79 144 20 7 105 1...` view save

correct output
`138 38 138 138 138 138 138 2 1...` view save

user output
`2 5 9 11 14 15 17 18 20 21 24 ...` Truncated

Test 52

Verdict: WRONG ANSWER

input
`200 52 31 25 18 4 38 19 46 29 8 44 21...` view save

correct output
`57 57 13 42 24 57 15 42 57 42 ...` view save

user output
`1 5 6 7 8 10 11 13 18 20 21 22...` Truncated

Test 53

Verdict: WRONG ANSWER

input
`200 95 42 57 3 119 56 173 95 191 60 1...` view save

correct output
`144 144 144 32 144 144 144 144...` view save

user output
`2 3 8 9 11 12 17 18 20 21 22 2...` Truncated

Test 54

Verdict: WRONG ANSWER

input
`200 11 16 67 30 28 23 1 38 61 64 22 1...` view save

correct output
`63 16 63 47 47 12 47 3 6 47 1` view save

user output
`2 3 5 6 7 8 10 11 12 13 14 15 ...` Truncated

Test 55

Verdict: WRONG ANSWER

input
`1000 411 8 2 4 12 9 1 7 6 3 11 10 5 15 ...` view save

correct output
`3 11 1 8 9 1 1 6 12 1 1 7 4 14...` view save

user output
`3 4 7 8 9 10 15 16 18 19 21 23...` Truncated

Test 56

Verdict: WRONG ANSWER

input
`1000 186 7 17 9 15 1 5 6 19 16 8 20 12 ...` view save

correct output
`13 3 2 10 17 4 12 3 1 7 9 8 11...` view save

user output
`1 4 6 7 9 10 13 14 16 20 21 24...` Truncated

Test 57

Verdict: WRONG ANSWER

input
`1000 952 2 1 3 4 5 8 15 14 6 7 11 9 12 ...` view save

correct output
`5 19 7 7 5 4 1 14 11 8 3 6 12 ...` view save

user output
`IMPOSSIBLE` view save

Test 58

Verdict: WRONG ANSWER

input
`1000 975 1 2 18 5 7 15 11 19 6 3 17 10 ...` view save

correct output
`1 5 3 4 5 6 9 8 1 15 10 15 4 2...` view save

user output
`1 6 11 12 13 14 16 17 18 20 25...` Truncated

Test 59

Verdict: WRONG ANSWER

input
`1000 901 3 4 5 6 7 8 9 10 11 12 13 14 1...` view save

correct output
`500 500 500 500 500 500 500 50...` view save

user output
`5 7 9 13 15 19 21 23 25 27 29 ...` Truncated

Test 60

Verdict: WRONG ANSWER

input
`1000 294 6 22 37 28 14 56 55 49 29 12 4...` view save

correct output
`30 231 231 290 290 290 244 2 1...` view save

user output
`3 5 6 8 10 11 13 14 17 19 20 2...` Truncated

Test 61

Verdict: WRONG ANSWER

input
`1000 635 446 970 21 164 995 689 783 426...` view save

correct output
`681 681 681 681 83 83 681 198 ...` view save

user output
`4 5 12 14 15 17 19 21 23 24 28...` Truncated

Test 62

Verdict: WRONG ANSWER

input
`1000 59 217 160 224 49 38 19 46 194 8 ...` view save

correct output
`27 52 333 333 23 333 333 27 33...` view save

user output
`1 2 3 5 6 7 8 9 10 12 13 15 16...` Truncated

Test 63

Verdict: WRONG ANSWER

input
`1000 981 451 340 330 827 925 173 494 19...` view save

correct output
`634 634 149 634 634 634 634 63...` view save

user output
`IMPOSSIBLE` view save

Test 64

Verdict: WRONG ANSWER

input
`1000 250 16 272 312 28 23 258 144 194 2...` view save

correct output
`186 70 88 70 186 246 70 88 246...` view save

user output
`1 4 7 9 10 11 12 14 16 20 22 2...` Truncated

Test 65

Verdict: WRONG ANSWER

input
`100000 15183 8 2 4 12 9 1 7 6 3 11 10 5 15 ...` view save

correct output
`3 2 8 9 6 4 18 7 13 8 3 6 10 1...` view save

user output
`3 4 7 8 9 10 15 16 18 19 21 23...` Truncated

Test 66

Verdict: WRONG ANSWER

input
`100000 80738 7 17 9 15 1 5 6 19 16 8 20 12 ...` view save

correct output
`9 2 2 2 8 8 7 4 12 9 5 4 14 6 ...` view save

user output
`4 6 7 9 10 13 14 16 20 24 27 2...` Truncated

Test 67

Verdict: WRONG ANSWER

input
`100000 88540 2 1 3 4 5 8 15 14 6 7 11 9 12 ...` view save

correct output
`4 13 2 2 3 1 15 11 4 2 12 13 1...` view save

user output
`2 3 5 10 11 12 18 20 22 23 24 ...` Truncated

Test 68

Verdict: WRONG ANSWER

input
`100000 95145 1 2 18 5 7 15 11 19 6 3 17 10 ...` view save

correct output
`12 8 5 2 1 9 13 17 5 14 1 11 5...` view save

user output
`IMPOSSIBLE` view save

Test 69

Verdict: WRONG ANSWER

input
`100000 90064 3 4 5 6 7 8 9 10 11 12 13 14 1...` view save

correct output
`50000 50000 50000 50000 50000 ...` view save

user output
`7 9 17 21 23 25 29 31 33 35 39...` Truncated

Test 70

Verdict: WRONG ANSWER

input
`100000 98544 1197 327 641 3158 2038 1048 56...` view save

correct output
`51677 37867 37867 216 51677 51...` view save

user output
`7 10 11 22 23 28 30 31 36 45 4...` Truncated

Test 71

Verdict: WRONG ANSWER

input
`100000 57490 70439 82301 64482 96766 51484 ...` view save

correct output
`11976 62820 62820 62820 2808 6...` view save

user output
`1 2 6 7 8 10 12 13 18 19 20 23...` Truncated

Test 72

Verdict: WRONG ANSWER

input
`100000 72506 16265 2606 21836 8643 4486 321...` view save

correct output
`44533 16055 11222 11222 16055 ...` view save

user output
`3 8 12 13 20 24 26 27 28 30 31...` Truncated

Test 73

Verdict: WRONG ANSWER

input
`100000 64645 47136 80135 73346 78143 9204 6...` view save

correct output
`13351 40626 40626 40626 40414 ...` view save

user output
`IMPOSSIBLE` view save

Test 74

Verdict: WRONG ANSWER

input
`100000 6200 17945 16321 396 7538 19397 151...` view save

correct output
`115 13754 19010 13754 9095 137...` view save

user output
`2 3 4 5 6 7 8 10 11 12 13 14 1...` Truncated

Aalto Competitive Programming 2024 - wk6 - Mon

Terrible security

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

Test 48

Test 49

Test 50

Test 51

Test 52

Test 53

Test 54

Test 55

Test 56

Test 57

Test 58

Test 59

Test 60

Test 61

Test 62

Test 63

Test 64

Test 65

Test 66

Test 67

Test 68

Test 69

Test 70

Test 71

Test 72

Test 73

Test 74

Tasks