oj.uz

Submission #722417

# Submission time Handle Problem Language Result Execution time Memory
722417 2023-04-11T22:37:48 Z Yell0 Connecting Supertrees (IOI20_supertrees) C++17
100 / 100
 213 ms 47568 KB 
#include <bits/stdc++.h>
#include "supertrees.h"
 
using namespace std;
typedef pair<int,int> pii;
 
int construct(vector<vector<int>> p) {
  int N=p.size();
  vector<pii> comps(N);
  for(int i=0;i<N;++i) comps[i]={-1,-1};
  int newcomp=0;
  vector<int> newsubcomp(N,0);
  for(int i=0;i<N;++i) {
    if(comps[i]==pii(-1,-1)) {
      comps[i]={newcomp,newsubcomp[newcomp]++};
      newcomp++;
    }
    else if(comps[i].second<0) comps[i].second=newsubcomp[comps[i].first]++;
    for(int j=i+1;j<N;++j) {
      if(p[i][j]==3) return 0;
      if(comps[j]==pii(-1,-1)) {
        if(p[i][j]==0) continue;
        if(p[i][j]==1) comps[j]=comps[i];
        if(p[i][j]==2) comps[j].first=comps[i].first;
      } else {
        if(p[i][j]==0&&comps[i].first==comps[j].first) return 0;
        if(p[i][j]==1) {
          if(comps[i].second!=comps[j].second) {
            if(comps[j].second>=0) return 0;
            else comps[j].second=comps[i].second;
          }
        }
        if(p[i][j]==2&&(comps[i]==comps[j]||comps[i].first!=comps[j].first)) return 0;
      }
    }
  }
  for(int i=0;i<N;++i) for(int j=i+1;j<N;++j) {
    if(p[i][j]==0&&comps[i].first==comps[j].first) return 0;
    if(p[i][j]==1&&(comps[i].first!=comps[j].first||(comps[i].second!=comps[j].second&&comps[j].second>=0))) return 0;
    if(p[i][j]==2&&(comps[i]==comps[j]||comps[i].first!=comps[j].first)) return 0;
  }
  vector<vector<vector<int>>> gr(N,vector<vector<int>>(N));
  int i=0;
  for(pii p:comps) gr[p.first][p.second].push_back(i++);
  vector<vector<int>> ans(N,vector<int>(N,0));
  for(int i=0;i<newcomp;++i) {
    if(newsubcomp[i]==2) return 0;
    for(int j=0;j<newsubcomp[i];++j) {
      for(int k=1;k<(int)gr[i][j].size();++k) ans[gr[i][j][k]][gr[i][j][0]]=ans[gr[i][j][0]][gr[i][j][k]]=1;
      if(j==0) ans[gr[i][j][0]][gr[i][newsubcomp[i]-1][0]]=ans[gr[i][newsubcomp[i]-1][0]][gr[i][j][0]]=1;
      else ans[gr[i][j][0]][gr[i][j-1][0]]=ans[gr[i][j-1][0]][gr[i][j][0]]=1;
    }
  }
  for(int i=0;i<N;++i) ans[i][i]=0;
  build(ans);
  return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 9 ms 2132 KB Output is correct
7 Correct 184 ms 45588 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 9 ms 2132 KB Output is correct
7 Correct 184 ms 45588 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 8 ms 2132 KB Output is correct
13 Correct 191 ms 45516 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 596 KB Output is correct
17 Correct 69 ms 8080 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 59 ms 11612 KB Output is correct
21 Correct 185 ms 45520 KB Output is correct
22 Correct 177 ms 45584 KB Output is correct
23 Correct 188 ms 45568 KB Output is correct
24 Correct 179 ms 45572 KB Output is correct
25 Correct 65 ms 8156 KB Output is correct
26 Correct 64 ms 8140 KB Output is correct
27 Correct 184 ms 45580 KB Output is correct
28 Correct 177 ms 45572 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 9 ms 2132 KB Output is correct
9 Correct 192 ms 47548 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 292 KB Output is correct
12 Correct 8 ms 2132 KB Output is correct
13 Correct 179 ms 47568 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 300 KB Output is correct
16 Correct 4 ms 596 KB Output is correct
17 Correct 76 ms 10112 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 296 KB Output is correct
21 Correct 49 ms 12156 KB Output is correct
22 Correct 182 ms 47560 KB Output is correct
23 Correct 186 ms 47564 KB Output is correct
24 Correct 184 ms 47504 KB Output is correct
25 Correct 109 ms 37632 KB Output is correct
26 Correct 68 ms 10060 KB Output is correct
27 Correct 176 ms 47488 KB Output is correct
28 Correct 194 ms 47480 KB Output is correct
29 Correct 94 ms 37620 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 47 ms 11572 KB Output is correct
5 Correct 178 ms 45568 KB Output is correct
6 Correct 206 ms 45572 KB Output is correct
7 Correct 184 ms 45600 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 52 ms 11596 KB Output is correct
10 Correct 183 ms 45516 KB Output is correct
11 Correct 213 ms 45592 KB Output is correct
12 Correct 205 ms 45596 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 45 ms 11640 KB Output is correct
17 Correct 189 ms 45524 KB Output is correct
18 Correct 179 ms 45588 KB Output is correct
19 Correct 188 ms 45632 KB Output is correct
20 Correct 181 ms 45564 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 9 ms 2132 KB Output is correct
7 Correct 184 ms 45588 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 8 ms 2132 KB Output is correct
13 Correct 191 ms 45516 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 596 KB Output is correct
17 Correct 69 ms 8080 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 59 ms 11612 KB Output is correct
21 Correct 185 ms 45520 KB Output is correct
22 Correct 177 ms 45584 KB Output is correct
23 Correct 188 ms 45568 KB Output is correct
24 Correct 179 ms 45572 KB Output is correct
25 Correct 65 ms 8156 KB Output is correct
26 Correct 64 ms 8140 KB Output is correct
27 Correct 184 ms 45580 KB Output is correct
28 Correct 177 ms 45572 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 300 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 9 ms 2132 KB Output is correct
37 Correct 192 ms 47548 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 292 KB Output is correct
40 Correct 8 ms 2132 KB Output is correct
41 Correct 179 ms 47568 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 300 KB Output is correct
44 Correct 4 ms 596 KB Output is correct
45 Correct 76 ms 10112 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 296 KB Output is correct
49 Correct 49 ms 12156 KB Output is correct
50 Correct 182 ms 47560 KB Output is correct
51 Correct 186 ms 47564 KB Output is correct
52 Correct 184 ms 47504 KB Output is correct
53 Correct 109 ms 37632 KB Output is correct
54 Correct 68 ms 10060 KB Output is correct
55 Correct 176 ms 47488 KB Output is correct
56 Correct 194 ms 47480 KB Output is correct
57 Correct 94 ms 37620 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 4 ms 596 KB Output is correct
61 Correct 69 ms 10108 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 50 ms 12092 KB Output is correct
66 Correct 72 ms 10096 KB Output is correct
67 Correct 71 ms 10104 KB Output is correct
68 Correct 87 ms 10116 KB Output is correct
69 Correct 92 ms 37628 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 9 ms 2132 KB Output is correct
7 Correct 184 ms 45588 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 8 ms 2132 KB Output is correct
13 Correct 191 ms 45516 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 596 KB Output is correct
17 Correct 69 ms 8080 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 59 ms 11612 KB Output is correct
21 Correct 185 ms 45520 KB Output is correct
22 Correct 177 ms 45584 KB Output is correct
23 Correct 188 ms 45568 KB Output is correct
24 Correct 179 ms 45572 KB Output is correct
25 Correct 65 ms 8156 KB Output is correct
26 Correct 64 ms 8140 KB Output is correct
27 Correct 184 ms 45580 KB Output is correct
28 Correct 177 ms 45572 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 300 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 9 ms 2132 KB Output is correct
37 Correct 192 ms 47548 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 292 KB Output is correct
40 Correct 8 ms 2132 KB Output is correct
41 Correct 179 ms 47568 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 300 KB Output is correct
44 Correct 4 ms 596 KB Output is correct
45 Correct 76 ms 10112 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 296 KB Output is correct
49 Correct 49 ms 12156 KB Output is correct
50 Correct 182 ms 47560 KB Output is correct
51 Correct 186 ms 47564 KB Output is correct
52 Correct 184 ms 47504 KB Output is correct
53 Correct 109 ms 37632 KB Output is correct
54 Correct 68 ms 10060 KB Output is correct
55 Correct 176 ms 47488 KB Output is correct
56 Correct 194 ms 47480 KB Output is correct
57 Correct 94 ms 37620 KB Output is correct
58 Correct 0 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 47 ms 11572 KB Output is correct
62 Correct 178 ms 45568 KB Output is correct
63 Correct 206 ms 45572 KB Output is correct
64 Correct 184 ms 45600 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 52 ms 11596 KB Output is correct
67 Correct 183 ms 45516 KB Output is correct
68 Correct 213 ms 45592 KB Output is correct
69 Correct 205 ms 45596 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 0 ms 212 KB Output is correct
73 Correct 45 ms 11640 KB Output is correct
74 Correct 189 ms 45524 KB Output is correct
75 Correct 179 ms 45588 KB Output is correct
76 Correct 188 ms 45632 KB Output is correct
77 Correct 181 ms 45564 KB Output is correct
78 Correct 1 ms 212 KB Output is correct
79 Correct 1 ms 340 KB Output is correct
80 Correct 4 ms 596 KB Output is correct
81 Correct 69 ms 10108 KB Output is correct
82 Correct 1 ms 212 KB Output is correct
83 Correct 1 ms 212 KB Output is correct
84 Correct 1 ms 212 KB Output is correct
85 Correct 50 ms 12092 KB Output is correct
86 Correct 72 ms 10096 KB Output is correct
87 Correct 71 ms 10104 KB Output is correct
88 Correct 87 ms 10116 KB Output is correct
89 Correct 92 ms 37628 KB Output is correct
90 Correct 1 ms 212 KB Output is correct
91 Correct 1 ms 280 KB Output is correct
92 Correct 4 ms 648 KB Output is correct
93 Correct 87 ms 10100 KB Output is correct
94 Correct 1 ms 252 KB Output is correct
95 Correct 1 ms 296 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 24 ms 2668 KB Output is correct
98 Correct 74 ms 10096 KB Output is correct
99 Correct 65 ms 10100 KB Output is correct
100 Correct 64 ms 10060 KB Output is correct
101 Correct 64 ms 10100 KB Output is correct
102 Correct 71 ms 10028 KB Output is correct
103 Correct 75 ms 10108 KB Output is correct
104 Correct 69 ms 10100 KB Output is correct
105 Correct 73 ms 10068 KB Output is correct