oj.uz

Submission #1063261

# Submission time Handle Problem Language Result Execution time Memory
1063261 2024-08-17T15:56:39 Z weajink Connecting Supertrees (IOI20_supertrees) C++17
100 / 100
 161 ms 24188 KB 
#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int maxN = 1001;
int par[maxN][2];
int ssize[maxN][2];
int FIND(int x, bool ktory){
  if (par[x][ktory] == x) return x;
  return par[x][ktory] = FIND(par[x][ktory],ktory);
} 
void UNION(int x, int y,bool ktory){
  int a = FIND(x,ktory);
  int b = FIND(y,ktory);
  if (a == b) return;
  if (ssize[a][ktory] > ssize[b][ktory]) swap(a,b);
  par[a][ktory] = b;
  ssize[b][ktory] += ssize[a][ktory];
}
vector<int> cykl[maxN];
int construct(vector<vector<int> > p){
  int n = p.size();
  int i;
  for (i = 0; i < n; i++){
    par[i][0] = par[i][1] = i;
    ssize[i][0] = ssize[i][1] = 1;
  } 
  for (i = 0; i < n; i++){
    for (int j = 0; j < n-1; j++){
      if (p[i][j] == 3){
        return 0;
      }
      if (p[i][j]){
        UNION(i,j,0);
      } 
      if (p[i][j] == 1){
        UNION(i,j,1);
      } 
    }
  }
  for (i = 0; i < n; i++){
    for (int j = 0; j < n; j++){
      if (i == j) continue;
      if (!p[i][j] && FIND(i,0) == FIND(j,0)){
        return 0;
      }
      if (p[i][j] == 1 && FIND(i,1) != FIND(j,1)){
        return 0;
      }
    }
  } 
  vector<vector<int> > wy;
  wy.resize(n);
  for (i = 0; i < n; i++){
    wy[i].assign(n,0);
  }
  for (i = 0; i < n; i++){
    if (FIND(i,1) != i){
      wy[i][FIND(i,1)] = 1;    
      wy[FIND(i,1)][i] = 1;
    }else{
      cykl[FIND(i,0)].push_back(i);     
    }
  }
  for (i = 0; i < n; i++){
    if (FIND(i,0) != i) continue;
    if (cykl[i].size() == 2) return 0;
    if (cykl[i].size() == 1) continue;
    for (int j = 0; j < (int)cykl[i].size(); j++){
      wy[cykl[i][j]][cykl[i][(j+1)%cykl[i].size()]] = 1;
      wy[cykl[i][(j+1)%cykl[i].size()]][cykl[i][j]] = 1;
    }
  }
  build(wy);
  return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 6 ms 1112 KB Output is correct
7 Correct 126 ms 22100 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 6 ms 1112 KB Output is correct
7 Correct 126 ms 22100 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 5 ms 1292 KB Output is correct
13 Correct 128 ms 22048 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 604 KB Output is correct
17 Correct 64 ms 8268 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 30 ms 5712 KB Output is correct
21 Correct 137 ms 22056 KB Output is correct
22 Correct 114 ms 22060 KB Output is correct
23 Correct 161 ms 22096 KB Output is correct
24 Correct 155 ms 22096 KB Output is correct
25 Correct 49 ms 8276 KB Output is correct
26 Correct 47 ms 8276 KB Output is correct
27 Correct 133 ms 22352 KB Output is correct
28 Correct 129 ms 22072 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 10 ms 1372 KB Output is correct
9 Correct 113 ms 23972 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 5 ms 1372 KB Output is correct
13 Correct 120 ms 23956 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 856 KB Output is correct
17 Correct 62 ms 10064 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 30 ms 6284 KB Output is correct
22 Correct 134 ms 23972 KB Output is correct
23 Correct 130 ms 24092 KB Output is correct
24 Correct 126 ms 24144 KB Output is correct
25 Correct 53 ms 14248 KB Output is correct
26 Correct 81 ms 10256 KB Output is correct
27 Correct 116 ms 24132 KB Output is correct
28 Correct 124 ms 23980 KB Output is correct
29 Correct 57 ms 14276 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 40 ms 6228 KB Output is correct
5 Correct 118 ms 23976 KB Output is correct
6 Correct 116 ms 24144 KB Output is correct
7 Correct 128 ms 24092 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 29 ms 6372 KB Output is correct
10 Correct 122 ms 24148 KB Output is correct
11 Correct 118 ms 24052 KB Output is correct
12 Correct 125 ms 24148 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 30 ms 6232 KB Output is correct
17 Correct 120 ms 24128 KB Output is correct
18 Correct 126 ms 24148 KB Output is correct
19 Correct 119 ms 24148 KB Output is correct
20 Correct 112 ms 24188 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 6 ms 1112 KB Output is correct
7 Correct 126 ms 22100 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 5 ms 1292 KB Output is correct
13 Correct 128 ms 22048 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 604 KB Output is correct
17 Correct 64 ms 8268 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 30 ms 5712 KB Output is correct
21 Correct 137 ms 22056 KB Output is correct
22 Correct 114 ms 22060 KB Output is correct
23 Correct 161 ms 22096 KB Output is correct
24 Correct 155 ms 22096 KB Output is correct
25 Correct 49 ms 8276 KB Output is correct
26 Correct 47 ms 8276 KB Output is correct
27 Correct 133 ms 22352 KB Output is correct
28 Correct 129 ms 22072 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 10 ms 1372 KB Output is correct
37 Correct 113 ms 23972 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 5 ms 1372 KB Output is correct
41 Correct 120 ms 23956 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 3 ms 856 KB Output is correct
45 Correct 62 ms 10064 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 30 ms 6284 KB Output is correct
50 Correct 134 ms 23972 KB Output is correct
51 Correct 130 ms 24092 KB Output is correct
52 Correct 126 ms 24144 KB Output is correct
53 Correct 53 ms 14248 KB Output is correct
54 Correct 81 ms 10256 KB Output is correct
55 Correct 116 ms 24132 KB Output is correct
56 Correct 124 ms 23980 KB Output is correct
57 Correct 57 ms 14276 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 3 ms 860 KB Output is correct
61 Correct 64 ms 10308 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 29 ms 6232 KB Output is correct
66 Correct 51 ms 10152 KB Output is correct
67 Correct 73 ms 10452 KB Output is correct
68 Correct 50 ms 10064 KB Output is correct
69 Correct 51 ms 14168 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 6 ms 1112 KB Output is correct
7 Correct 126 ms 22100 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 5 ms 1292 KB Output is correct
13 Correct 128 ms 22048 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 604 KB Output is correct
17 Correct 64 ms 8268 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 30 ms 5712 KB Output is correct
21 Correct 137 ms 22056 KB Output is correct
22 Correct 114 ms 22060 KB Output is correct
23 Correct 161 ms 22096 KB Output is correct
24 Correct 155 ms 22096 KB Output is correct
25 Correct 49 ms 8276 KB Output is correct
26 Correct 47 ms 8276 KB Output is correct
27 Correct 133 ms 22352 KB Output is correct
28 Correct 129 ms 22072 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 10 ms 1372 KB Output is correct
37 Correct 113 ms 23972 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 5 ms 1372 KB Output is correct
41 Correct 120 ms 23956 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 3 ms 856 KB Output is correct
45 Correct 62 ms 10064 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 30 ms 6284 KB Output is correct
50 Correct 134 ms 23972 KB Output is correct
51 Correct 130 ms 24092 KB Output is correct
52 Correct 126 ms 24144 KB Output is correct
53 Correct 53 ms 14248 KB Output is correct
54 Correct 81 ms 10256 KB Output is correct
55 Correct 116 ms 24132 KB Output is correct
56 Correct 124 ms 23980 KB Output is correct
57 Correct 57 ms 14276 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 40 ms 6228 KB Output is correct
62 Correct 118 ms 23976 KB Output is correct
63 Correct 116 ms 24144 KB Output is correct
64 Correct 128 ms 24092 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 29 ms 6372 KB Output is correct
67 Correct 122 ms 24148 KB Output is correct
68 Correct 118 ms 24052 KB Output is correct
69 Correct 125 ms 24148 KB Output is correct
70 Correct 0 ms 344 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 0 ms 348 KB Output is correct
73 Correct 30 ms 6232 KB Output is correct
74 Correct 120 ms 24128 KB Output is correct
75 Correct 126 ms 24148 KB Output is correct
76 Correct 119 ms 24148 KB Output is correct
77 Correct 112 ms 24188 KB Output is correct
78 Correct 0 ms 348 KB Output is correct
79 Correct 0 ms 348 KB Output is correct
80 Correct 3 ms 860 KB Output is correct
81 Correct 64 ms 10308 KB Output is correct
82 Correct 0 ms 348 KB Output is correct
83 Correct 0 ms 348 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 29 ms 6232 KB Output is correct
86 Correct 51 ms 10152 KB Output is correct
87 Correct 73 ms 10452 KB Output is correct
88 Correct 50 ms 10064 KB Output is correct
89 Correct 51 ms 14168 KB Output is correct
90 Correct 0 ms 344 KB Output is correct
91 Correct 0 ms 348 KB Output is correct
92 Correct 3 ms 860 KB Output is correct
93 Correct 51 ms 10184 KB Output is correct
94 Correct 0 ms 600 KB Output is correct
95 Correct 0 ms 348 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 12 ms 2724 KB Output is correct
98 Correct 53 ms 10128 KB Output is correct
99 Correct 49 ms 10200 KB Output is correct
100 Correct 57 ms 10068 KB Output is correct
101 Correct 47 ms 10068 KB Output is correct
102 Correct 49 ms 10064 KB Output is correct
103 Correct 47 ms 10276 KB Output is correct
104 Correct 64 ms 10144 KB Output is correct
105 Correct 54 ms 10064 KB Output is correct