CSES - Aalto Competitive Programming 2024 - wk6 - Wed

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

Submission details
Task:	Online feud
Sender:	aalto2024g_002
Submission time:	2024-10-09 16:55:00 +0300
Language:	C++ (C++17)
Status:	READY
Result:	WRONG ANSWER

Test results
test	verdict	time
#1	ACCEPTED	0.01 s	details
#2	ACCEPTED	0.01 s	details
#3	ACCEPTED	0.01 s	details
#4	ACCEPTED	0.01 s	details
#5	ACCEPTED	0.01 s	details
#6	ACCEPTED	0.01 s	details
#7	ACCEPTED	0.01 s	details
#8	ACCEPTED	0.01 s	details
#9	WRONG ANSWER	0.01 s	details
#10	ACCEPTED	0.01 s	details
#11	ACCEPTED	0.01 s	details
#12	WRONG ANSWER	0.01 s	details
#13	ACCEPTED	0.01 s	details
#14	ACCEPTED	0.01 s	details
#15	ACCEPTED	0.01 s	details
#16	ACCEPTED	0.01 s	details
#17	ACCEPTED	0.01 s	details
#18	ACCEPTED	0.01 s	details
#19	ACCEPTED	0.01 s	details
#20	ACCEPTED	0.01 s	details
#21	ACCEPTED	0.01 s	details
#22	ACCEPTED	0.01 s	details
#23	ACCEPTED	0.01 s	details
#24	ACCEPTED	0.01 s	details
#25	ACCEPTED	0.01 s	details
#26	ACCEPTED	0.01 s	details
#27	ACCEPTED	0.01 s	details
#28	ACCEPTED	0.01 s	details
#29	ACCEPTED	0.01 s	details
#30	ACCEPTED	0.01 s	details
#31	ACCEPTED	0.01 s	details
#32	ACCEPTED	0.01 s	details
#33	ACCEPTED	0.01 s	details
#34	ACCEPTED	0.01 s	details
#35	ACCEPTED	0.01 s	details
#36	ACCEPTED	0.01 s	details
#37	ACCEPTED	0.01 s	details
#38	ACCEPTED	0.01 s	details
#39	ACCEPTED	0.01 s	details
#40	ACCEPTED	0.01 s	details
#41	ACCEPTED	0.01 s	details
#42	ACCEPTED	0.01 s	details
#43	ACCEPTED	0.01 s	details
#44	ACCEPTED	0.01 s	details
#45	ACCEPTED	0.01 s	details
#46	ACCEPTED	0.01 s	details
#47	ACCEPTED	0.01 s	details
#48	ACCEPTED	0.01 s	details
#49	ACCEPTED	0.01 s	details
#50	ACCEPTED	0.01 s	details
#51	ACCEPTED	0.01 s	details
#52	ACCEPTED	0.01 s	details
#53	ACCEPTED	0.01 s	details
#54	ACCEPTED	0.01 s	details
#55	ACCEPTED	0.01 s	details
#56	ACCEPTED	0.01 s	details
#57	ACCEPTED	0.01 s	details
#58	ACCEPTED	0.01 s	details
#59	ACCEPTED	0.01 s	details
#60	ACCEPTED	0.01 s	details
#61	ACCEPTED	0.01 s	details
#62	ACCEPTED	0.17 s	details
#63	ACCEPTED	0.15 s	details
#64	ACCEPTED	0.16 s	details
#65	ACCEPTED	0.20 s	details
#66	ACCEPTED	0.24 s	details
#67	ACCEPTED	0.13 s	details
#68	ACCEPTED	0.23 s	details
#69	ACCEPTED	0.11 s	details
#70	ACCEPTED	0.23 s	details
#71	ACCEPTED	0.10 s	details

Code

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

const int N = 1e5;
vector<int> V[N];
vector<int> D[N];
int Z[N];

int main() {
  int n, m;
  cin >> n >> m;
  for (int i = 0; i < m; ++i) {
    int a, b, c;
    cin >> a >> b >> c;
    if (c == -1) {
      D[a-1].push_back(b-1);
      D[b-1].push_back(a-1);
    } else {
      V[a-1].push_back(b-1);
      V[b-1].push_back(a-1);
    }
  }
  unordered_set<int> S;
  for (int i = 1; i < n; ++i) {
    S.insert(i);
  }
  queue<pair<int,int>> Q;
  Q.push({0,1});
  Z[0] = 1;
  while (!S.empty()) {
    if (Q.empty()) {
      int i = *S.begin();
      Q.push({i,1});
      Z[i] = 1;
      S.erase(S.begin());
    }
    auto [i,s] = Q.front(); Q.pop();
    for (int j : V[i]) {
      if (!Z[j]) {
        Z[j] = s;
        Q.push({j,s});
        S.erase(S.find(j));
      } else if (Z[j] != s) {
        cout << "No\n";
        return 0;
      }
    }
    for (int j : D[i]) {
      if (!Z[j]) {
        Z[j] = -s;
        Q.push({j,-s});
        S.erase(S.find(j));
      } else if (Z[j] == s) {
        cout << "No\n";
        return 0;
      }
    }
  }
  cout << "Yes\n";
}

Test details

Test 1

Verdict: ACCEPTED

input
`2 4 2 1 1 1 2 -1 1 2 1 1 2 -1` view save

correct output
`No` view save

user output
`No` view save

Test 2

Verdict: ACCEPTED

input
`2 4 1 2 -1 2 1 -1 1 2 -1 1 2 -1` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 3

Verdict: ACCEPTED

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

correct output
`Yes` view save

user output
`Yes` view save

Test 4

Verdict: ACCEPTED

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

correct output
`Yes` view save

user output
`Yes` view save

Test 5

Verdict: ACCEPTED

input
`3 5 1 2 1 3 2 -1 3 2 1 3 2 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 6

Verdict: ACCEPTED

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

correct output
`Yes` view save

user output
`Yes` view save

Test 7

Verdict: ACCEPTED

input
`4 8 3 4 1 1 3 -1 2 3 -1 1 2 1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 8

Verdict: ACCEPTED

input
`4 8 3 2 -1 3 1 -1 1 2 1 1 2 1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 9

Verdict: WRONG ANSWER

input
`4 7 3 4 1 3 2 -1 2 1 1 1 4 -1 ...` view save

correct output
`No` view save

user output
`Yes` view save

Test 10

Verdict: ACCEPTED

input
`4 8 3 1 -1 1 2 1 4 3 1 1 2 -1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 11

Verdict: ACCEPTED

input
`4 7 1 3 -1 4 2 1 3 4 1 4 2 -1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 12

Verdict: WRONG ANSWER

input
`5 7 4 5 -1 5 3 -1 3 4 -1 2 3 1 ...` view save

correct output
`No` view save

user output
`Yes` view save

Test 13

Verdict: ACCEPTED

input
`5 6 4 5 1 1 2 -1 1 2 1 2 1 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 14

Verdict: ACCEPTED

input
`5 6 4 5 1 1 3 1 4 5 1 2 4 1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 15

Verdict: ACCEPTED

input
`5 7 4 5 1 1 3 1 1 4 -1 1 4 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 16

Verdict: ACCEPTED

input
`5 10 3 1 -1 5 4 -1 4 3 1 1 5 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 17

Verdict: ACCEPTED

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

correct output
`Yes` view save

user output
`Yes` view save

Test 18

Verdict: ACCEPTED

input
`5 10 1 5 -1 1 3 -1 3 4 -1 3 4 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 19

Verdict: ACCEPTED

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

correct output
`Yes` view save

user output
`Yes` view save

Test 20

Verdict: ACCEPTED

input
`5 9 5 4 -1 1 5 -1 3 5 -1 1 3 1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 21

Verdict: ACCEPTED

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

correct output
`Yes` view save

user output
`Yes` view save

Test 22

Verdict: ACCEPTED

input
`10 14 8 9 -1 9 6 -1 5 7 -1 4 5 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 23

Verdict: ACCEPTED

input
`10 12 8 10 1 2 4 -1 2 3 1 4 2 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 24

Verdict: ACCEPTED

input
`10 12 9 10 1 2 5 1 8 10 1 5 8 1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 25

Verdict: ACCEPTED

input
`10 14 8 10 1 3 7 1 1 8 -1 1 8 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 26

Verdict: ACCEPTED

input
`10 20 6 2 -1 9 8 -1 7 6 1 2 10 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 27

Verdict: ACCEPTED

input
`10 9 9 10 1 9 10 1 9 7 -1 3 10 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 28

Verdict: ACCEPTED

input
`10 19 4 3 -1 2 10 -1 1 6 -1 5 6 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 29

Verdict: ACCEPTED

input
`10 7 10 4 -1 8 7 -1 4 8 -1 2 8 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 30

Verdict: ACCEPTED

input
`10 19 10 8 -1 1 10 -1 5 10 -1 2 6 1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 31

Verdict: ACCEPTED

input
`10 6 3 6 -1 1 6 -1 6 7 1 1 7 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 32

Verdict: ACCEPTED

input
`100 133 72 85 -1 86 55 -1 43 63 -1 39 44 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 33

Verdict: ACCEPTED

input
`100 113 73 94 1 13 31 -1 15 24 1 40 19 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 34

Verdict: ACCEPTED

input
`100 116 1 2 1 1 34 -1 71 1 -1 1 50 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 35

Verdict: ACCEPTED

input
`100 133 74 88 1 31 66 1 9 72 -1 4 73 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 36

Verdict: ACCEPTED

input
`100 196 55 18 -1 86 72 -1 70 60 1 15 98 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 37

Verdict: ACCEPTED

input
`100 84 92 100 1 89 96 1 92 67 -1 26 100 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 38

Verdict: ACCEPTED

input
`100 184 34 21 -1 7 5 1 11 99 -1 10 53 -1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 39

Verdict: ACCEPTED

input
`100 62 100 34 -1 85 76 -1 39 79 -1 21 78 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 40

Verdict: ACCEPTED

input
`100 182 98 84 -1 98 99 1 99 100 1 51 100 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 41

Verdict: ACCEPTED

input
`100 52 25 51 -1 8 51 -1 57 68 1 5 70 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 42

Verdict: ACCEPTED

input
`200 265 144 169 -1 172 109 -1 85 125 -1 77 88 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 43

Verdict: ACCEPTED

input
`200 226 145 187 1 26 61 -1 30 48 1 80 38 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 44

Verdict: ACCEPTED

input
`200 231 4 5 1 3 68 -1 142 2 -1 2 100 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 45

Verdict: ACCEPTED

input
`200 266 149 176 1 62 133 1 18 144 -1 8 147 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 46

Verdict: ACCEPTED

input
`200 391 110 35 -1 172 143 -1 140 120 1 29 196 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 47

Verdict: ACCEPTED

input
`200 167 184 199 1 177 192 1 184 134 -1 52 200 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 48

Verdict: ACCEPTED

input
`200 368 67 42 -1 13 9 1 22 198 -1 20 106 -1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 49

Verdict: ACCEPTED

input
`200 123 200 68 -1 169 152 -1 78 159 -1 42 156 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 50

Verdict: ACCEPTED

input
`200 363 196 168 -1 196 197 1 198 199 1 101 200 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 51

Verdict: ACCEPTED

input
`200 104 50 101 -1 15 102 -1 114 136 1 9 140 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 52

Verdict: ACCEPTED

input
`1000 1324 716 845 -1 858 545 -1 424 624 -1 385 438 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 53

Verdict: ACCEPTED

input
`1000 1126 721 933 1 129 303 -1 147 237 1 397 187 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 54

Verdict: ACCEPTED

input
`1000 1154 23 24 1 11 338 -1 707 6 -1 8 499 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 55

Verdict: ACCEPTED

input
`1000 1327 744 875 1 310 667 1 89 720 -1 37 736 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 56

Verdict: ACCEPTED

input
`1000 1951 548 173 -1 856 715 -1 698 598 1 142 977 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 57

Verdict: ACCEPTED

input
`1000 833 917 994 1 882 955 1 917 667 -1 259 999 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 58

Verdict: ACCEPTED

input
`1000 1840 332 210 -1 65 42 1 108 986 -1 100 530 -1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 59

Verdict: ACCEPTED

input
`1000 615 996 342 -1 848 762 -1 391 799 -1 210 783 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 60

Verdict: ACCEPTED

input
`1000 1811 981 842 -1 982 983 1 992 996 1 506 996 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 61

Verdict: ACCEPTED

input
`1000 516 249 505 -1 72 508 -1 570 677 1 43 699 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 62

Verdict: ACCEPTED

input
`100000 132323 71521 84428 -1 85796 54490 -1 42367 62358 -1 38439 43760 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 63

Verdict: ACCEPTED

input
`100000 112554 72034 93258 1 12813 30234 -1 14676 23610 1 39659 18627 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 64

Verdict: ACCEPTED

input
`100000 115400 2456 2516 1 1090 33816 -1 70668 531 -1 777 49853 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 65

Verdict: ACCEPTED

input
`100000 132621 74356 87456 1 30951 66681 1 8894 72001 -1 3645 73546 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 66

Verdict: ACCEPTED

input
`100000 195056 54725 17270 -1 85564 71483 -1 69774 59757 1 14147 97629 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 67

Verdict: ACCEPTED

input
`100000 83300 91776 99331 1 88235 95433 1 91652 66692 -1 25844 99882 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 68

Verdict: ACCEPTED

input
`100000 183930 33199 20941 -1 6426 4170 1 10766 98505 -1 9948 52983 -1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 69

Verdict: ACCEPTED

input
`100000 61447 99521 34194 -1 84772 76278 -1 39085 79902 -1 20937 78344 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 70

Verdict: ACCEPTED

input
`100000 181015 98043 84187 -1 98183 98204 1 99264 99561 1 50624 99598 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 71

Verdict: ACCEPTED

input
`100000 51557 24883 50564 -1 7133 50852 -1 57039 67698 1 4219 69908 -1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Aalto Competitive Programming 2024 - wk6 - Wed

Online feud

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

Tasks

Submissions (aalto2024g_002)