oj.uz

Submission #315865

# Submission time Handle Problem Language Result Execution time Memory
315865 2020-10-24T07:33:15 Z juggernaut Connecting Supertrees (IOI20_supertrees) C++14
100 / 100
 274 ms 26232 KB 
#include"supertrees.h"
#include<bits/stdc++.h>
#ifdef EVAL
#else
#include"grader.cpp"
#endif
using namespace std;
vector<vector<int>>P,res;
vector<int>comp;
int N,timer,pr[1005],id[1005];
bool vis[1005];
void dfs(int v){
    comp.push_back(v);
    pr[v]=v;
    vis[v]=1;
    id[v]=timer;
    for(int i=0;i<N;i++)if(!vis[i]&&P[v][i]==1)vis[i]=1,pr[i]=v,id[i]=timer,res[v][i]=res[i][v]=1;
    for(int i=0;i<N;i++)if(!vis[i]&&P[v][i]==2)dfs(i);
}
int construct(vector<vector<int>>p){
    P=p;
    N=p.size();
    res.resize(N);
    fill(res.begin(),res.end(),vector<int>(N,0));
    for(int i=0;i<N;i++)for(int j=0;j<N;j++)if(p[i][j]==3)return 0;
    for(int i=0;i<N;i++)
        if(!vis[i]){
            timer++;
            dfs(i);
            if(comp.size()==2)return 0;
            else if(comp.size()>2){
                int j;
                for(j=1;j<comp.size();j++)res[comp[j]][comp[j-1]]=res[comp[j-1]][comp[j]]=1;
                res[comp[j-1]][comp[0]]=res[comp[0]][comp[j-1]]=1;
            }
            comp.clear();
        }
    for(int i=0;i<N;i++)for(int j=0;j<N;j++)
        if(pr[i]==pr[j]&&p[i][j]!=1)return 0;
        else if(id[i]==id[j]&&pr[i]!=pr[j]&&p[i][j]!=2)return 0;
        else if(id[i]!=id[j]&&p[i][j])return 0;
    build(res);
    return 1;
}
/*
4
1 1 2 2
1 1 2 2
2 2 1 2
2 2 2 1

*/

Compilation message

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:33:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |                 for(j=1;j<comp.size();j++)res[comp[j]][comp[j-1]]=res[comp[j-1]][comp[j]]=1;
      |                         ~^~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 256 ms 26104 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 256 ms 26104 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 13 ms 1408 KB Output is correct
13 Correct 261 ms 26148 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 5 ms 1024 KB Output is correct
17 Correct 117 ms 16088 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 66 ms 7032 KB Output is correct
21 Correct 252 ms 25976 KB Output is correct
22 Correct 254 ms 26232 KB Output is correct
23 Correct 274 ms 26104 KB Output is correct
24 Correct 254 ms 25976 KB Output is correct
25 Correct 114 ms 16120 KB Output is correct
26 Correct 109 ms 16120 KB Output is correct
27 Correct 261 ms 25976 KB Output is correct
28 Correct 248 ms 26104 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 11 ms 1408 KB Output is correct
9 Correct 248 ms 26104 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 11 ms 1408 KB Output is correct
13 Correct 261 ms 26232 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 5 ms 1024 KB Output is correct
17 Correct 126 ms 16120 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 0 ms 256 KB Output is correct
21 Correct 64 ms 6776 KB Output is correct
22 Correct 259 ms 26104 KB Output is correct
23 Correct 253 ms 26104 KB Output is correct
24 Correct 266 ms 26104 KB Output is correct
25 Correct 111 ms 16120 KB Output is correct
26 Correct 115 ms 16120 KB Output is correct
27 Correct 252 ms 26104 KB Output is correct
28 Correct 266 ms 26104 KB Output is correct
29 Correct 109 ms 16120 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 63 ms 6776 KB Output is correct
5 Correct 254 ms 26072 KB Output is correct
6 Correct 259 ms 26104 KB Output is correct
7 Correct 256 ms 26104 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 64 ms 6792 KB Output is correct
10 Correct 257 ms 26104 KB Output is correct
11 Correct 260 ms 26104 KB Output is correct
12 Correct 274 ms 26072 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 64 ms 6808 KB Output is correct
17 Correct 255 ms 26072 KB Output is correct
18 Correct 257 ms 26104 KB Output is correct
19 Correct 254 ms 26104 KB Output is correct
20 Correct 258 ms 26068 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 256 ms 26104 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 13 ms 1408 KB Output is correct
13 Correct 261 ms 26148 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 5 ms 1024 KB Output is correct
17 Correct 117 ms 16088 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 66 ms 7032 KB Output is correct
21 Correct 252 ms 25976 KB Output is correct
22 Correct 254 ms 26232 KB Output is correct
23 Correct 274 ms 26104 KB Output is correct
24 Correct 254 ms 25976 KB Output is correct
25 Correct 114 ms 16120 KB Output is correct
26 Correct 109 ms 16120 KB Output is correct
27 Correct 261 ms 25976 KB Output is correct
28 Correct 248 ms 26104 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 0 ms 256 KB Output is correct
33 Correct 1 ms 256 KB Output is correct
34 Correct 0 ms 256 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 11 ms 1408 KB Output is correct
37 Correct 248 ms 26104 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 1 ms 256 KB Output is correct
40 Correct 11 ms 1408 KB Output is correct
41 Correct 261 ms 26232 KB Output is correct
42 Correct 0 ms 256 KB Output is correct
43 Correct 0 ms 384 KB Output is correct
44 Correct 5 ms 1024 KB Output is correct
45 Correct 126 ms 16120 KB Output is correct
46 Correct 0 ms 384 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 0 ms 256 KB Output is correct
49 Correct 64 ms 6776 KB Output is correct
50 Correct 259 ms 26104 KB Output is correct
51 Correct 253 ms 26104 KB Output is correct
52 Correct 266 ms 26104 KB Output is correct
53 Correct 111 ms 16120 KB Output is correct
54 Correct 115 ms 16120 KB Output is correct
55 Correct 252 ms 26104 KB Output is correct
56 Correct 266 ms 26104 KB Output is correct
57 Correct 109 ms 16120 KB Output is correct
58 Correct 0 ms 256 KB Output is correct
59 Correct 1 ms 384 KB Output is correct
60 Correct 5 ms 1024 KB Output is correct
61 Correct 117 ms 16120 KB Output is correct
62 Correct 0 ms 256 KB Output is correct
63 Correct 0 ms 256 KB Output is correct
64 Correct 1 ms 256 KB Output is correct
65 Correct 65 ms 6776 KB Output is correct
66 Correct 117 ms 16088 KB Output is correct
67 Correct 110 ms 16120 KB Output is correct
68 Correct 111 ms 16092 KB Output is correct
69 Correct 109 ms 16124 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 256 ms 26104 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 13 ms 1408 KB Output is correct
13 Correct 261 ms 26148 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 5 ms 1024 KB Output is correct
17 Correct 117 ms 16088 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 66 ms 7032 KB Output is correct
21 Correct 252 ms 25976 KB Output is correct
22 Correct 254 ms 26232 KB Output is correct
23 Correct 274 ms 26104 KB Output is correct
24 Correct 254 ms 25976 KB Output is correct
25 Correct 114 ms 16120 KB Output is correct
26 Correct 109 ms 16120 KB Output is correct
27 Correct 261 ms 25976 KB Output is correct
28 Correct 248 ms 26104 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 0 ms 256 KB Output is correct
33 Correct 1 ms 256 KB Output is correct
34 Correct 0 ms 256 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 11 ms 1408 KB Output is correct
37 Correct 248 ms 26104 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 1 ms 256 KB Output is correct
40 Correct 11 ms 1408 KB Output is correct
41 Correct 261 ms 26232 KB Output is correct
42 Correct 0 ms 256 KB Output is correct
43 Correct 0 ms 384 KB Output is correct
44 Correct 5 ms 1024 KB Output is correct
45 Correct 126 ms 16120 KB Output is correct
46 Correct 0 ms 384 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 0 ms 256 KB Output is correct
49 Correct 64 ms 6776 KB Output is correct
50 Correct 259 ms 26104 KB Output is correct
51 Correct 253 ms 26104 KB Output is correct
52 Correct 266 ms 26104 KB Output is correct
53 Correct 111 ms 16120 KB Output is correct
54 Correct 115 ms 16120 KB Output is correct
55 Correct 252 ms 26104 KB Output is correct
56 Correct 266 ms 26104 KB Output is correct
57 Correct 109 ms 16120 KB Output is correct
58 Correct 0 ms 256 KB Output is correct
59 Correct 0 ms 384 KB Output is correct
60 Correct 1 ms 384 KB Output is correct
61 Correct 63 ms 6776 KB Output is correct
62 Correct 254 ms 26072 KB Output is correct
63 Correct 259 ms 26104 KB Output is correct
64 Correct 256 ms 26104 KB Output is correct
65 Correct 0 ms 256 KB Output is correct
66 Correct 64 ms 6792 KB Output is correct
67 Correct 257 ms 26104 KB Output is correct
68 Correct 260 ms 26104 KB Output is correct
69 Correct 274 ms 26072 KB Output is correct
70 Correct 0 ms 256 KB Output is correct
71 Correct 0 ms 256 KB Output is correct
72 Correct 0 ms 256 KB Output is correct
73 Correct 64 ms 6808 KB Output is correct
74 Correct 255 ms 26072 KB Output is correct
75 Correct 257 ms 26104 KB Output is correct
76 Correct 254 ms 26104 KB Output is correct
77 Correct 258 ms 26068 KB Output is correct
78 Correct 0 ms 256 KB Output is correct
79 Correct 1 ms 384 KB Output is correct
80 Correct 5 ms 1024 KB Output is correct
81 Correct 117 ms 16120 KB Output is correct
82 Correct 0 ms 256 KB Output is correct
83 Correct 0 ms 256 KB Output is correct
84 Correct 1 ms 256 KB Output is correct
85 Correct 65 ms 6776 KB Output is correct
86 Correct 117 ms 16088 KB Output is correct
87 Correct 110 ms 16120 KB Output is correct
88 Correct 111 ms 16092 KB Output is correct
89 Correct 109 ms 16124 KB Output is correct
90 Correct 0 ms 256 KB Output is correct
91 Correct 1 ms 256 KB Output is correct
92 Correct 6 ms 896 KB Output is correct
93 Correct 119 ms 16088 KB Output is correct
94 Correct 0 ms 256 KB Output is correct
95 Correct 0 ms 256 KB Output is correct
96 Correct 0 ms 256 KB Output is correct
97 Correct 26 ms 4352 KB Output is correct
98 Correct 111 ms 16120 KB Output is correct
99 Correct 107 ms 16120 KB Output is correct
100 Correct 109 ms 16092 KB Output is correct
101 Correct 105 ms 16120 KB Output is correct
102 Correct 114 ms 16120 KB Output is correct
103 Correct 115 ms 16120 KB Output is correct
104 Correct 117 ms 16120 KB Output is correct
105 Correct 115 ms 16120 KB Output is correct