Submission #1084211

# Submission time Handle Problem Language Result Execution time Memory
1084211 2024-09-05T15:54:25 Z Phu_on_top Connecting Supertrees (IOI20_supertrees) C++17
100 / 100
130 ms 24244 KB
#include "supertrees.h"
#include <vector>
using namespace std;
 
int Num[1010], Num2[1010], PPP[1010], vis[1010];
 
vector<vector<int>>E;
void Add(int a, int b){
    if(a==-1||b==-1||a==b)return;
    E[a][b]=E[b][a]=1;
}
 
int construct(std::vector<std::vector<int>> p) {
	int n = p.size();
    int i, j, cnt = 0;
    E.resize(n);
    for(i=0;i<n;i++){
        E[i].resize(n);
        for(j=0;j<n;j++){
            E[i][j]=0;
        }
    }
    for(i=0;i<n;i++){
        if(!Num[i])cnt++;
        else continue;
        for(j=0;j<n;j++){
            if(p[i][j]){
                Num[j]=cnt;
            }
        }
    }
    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
            if((Num[i]==Num[j])!=(p[i][j]!=0))return 0;
            if(p[i][j]==3)return 0;
        }
    }
    int cc=0;
    for(i=0;i<n;i++)PPP[i]=-1;
 
 
    vector<int>T;
    for(i=0;i<n;i++){
        if(!Num2[i])cc++;
        else continue;
        T.push_back(i);
        for(j=0;j<n;j++){
            if(p[i][j]==1){
                Num2[j]=cc;
                PPP[j]=i;
            }
        }
    }
 
 
    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
            if(i==j)continue;
            if((Num2[i]==Num2[j])!=(p[i][j]==1))return 0;
        }
    }
    for(i=0;i<n;i++){
        Add(i,PPP[i]);
    }
 
    for(auto &t : T){
        vector<int>Z;
        if(vis[t])continue;
        for(auto &x : T){
            if(!vis[x] && Num[t]==Num[x]){
                Z.push_back(x);
            }
        }
        for(auto &x : Z)vis[x]=1;
        int sz = Z.size();
        if(sz==2){
            return 0;
        }
        if(sz>1){
            for(i=0;i<sz;i++){
                Add(Z[i],Z[(i+1)%sz]);
            }
        }
    }
 
    build(E);
 
	return 1;
}
# 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 1 ms 348 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 113 ms 23996 KB Output is correct
# 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 1 ms 348 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 113 ms 23996 KB Output is correct
8 Correct 0 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 0 ms 348 KB Output is correct
12 Correct 6 ms 1176 KB Output is correct
13 Correct 121 ms 24096 KB Output is correct
14 Correct 0 ms 424 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 55 ms 14076 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 28 ms 6156 KB Output is correct
21 Correct 116 ms 24016 KB Output is correct
22 Correct 113 ms 24144 KB Output is correct
23 Correct 126 ms 23888 KB Output is correct
24 Correct 129 ms 24068 KB Output is correct
25 Correct 54 ms 14080 KB Output is correct
26 Correct 48 ms 14160 KB Output is correct
27 Correct 122 ms 24144 KB Output is correct
28 Correct 118 ms 24144 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 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 5 ms 1372 KB Output is correct
9 Correct 120 ms 24144 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 5 ms 1176 KB Output is correct
13 Correct 125 ms 24148 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 57 ms 14076 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 30 ms 6384 KB Output is correct
22 Correct 122 ms 24144 KB Output is correct
23 Correct 116 ms 24144 KB Output is correct
24 Correct 130 ms 24136 KB Output is correct
25 Correct 72 ms 14164 KB Output is correct
26 Correct 50 ms 14076 KB Output is correct
27 Correct 117 ms 24144 KB Output is correct
28 Correct 120 ms 24148 KB Output is correct
29 Correct 54 ms 14168 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 39 ms 6276 KB Output is correct
5 Correct 113 ms 23932 KB Output is correct
6 Correct 130 ms 23976 KB Output is correct
7 Correct 129 ms 23892 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 28 ms 6344 KB Output is correct
10 Correct 120 ms 24148 KB Output is correct
11 Correct 114 ms 23968 KB Output is correct
12 Correct 120 ms 23936 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 428 KB Output is correct
16 Correct 31 ms 6328 KB Output is correct
17 Correct 124 ms 24244 KB Output is correct
18 Correct 117 ms 23920 KB Output is correct
19 Correct 116 ms 24148 KB Output is correct
20 Correct 114 ms 24148 KB Output is correct
# 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 1 ms 348 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 113 ms 23996 KB Output is correct
8 Correct 0 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 0 ms 348 KB Output is correct
12 Correct 6 ms 1176 KB Output is correct
13 Correct 121 ms 24096 KB Output is correct
14 Correct 0 ms 424 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 55 ms 14076 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 28 ms 6156 KB Output is correct
21 Correct 116 ms 24016 KB Output is correct
22 Correct 113 ms 24144 KB Output is correct
23 Correct 126 ms 23888 KB Output is correct
24 Correct 129 ms 24068 KB Output is correct
25 Correct 54 ms 14080 KB Output is correct
26 Correct 48 ms 14160 KB Output is correct
27 Correct 122 ms 24144 KB Output is correct
28 Correct 118 ms 24144 KB Output is correct
29 Correct 1 ms 344 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 5 ms 1372 KB Output is correct
37 Correct 120 ms 24144 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 5 ms 1176 KB Output is correct
41 Correct 125 ms 24148 KB Output is correct
42 Correct 0 ms 344 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 3 ms 860 KB Output is correct
45 Correct 57 ms 14076 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 30 ms 6384 KB Output is correct
50 Correct 122 ms 24144 KB Output is correct
51 Correct 116 ms 24144 KB Output is correct
52 Correct 130 ms 24136 KB Output is correct
53 Correct 72 ms 14164 KB Output is correct
54 Correct 50 ms 14076 KB Output is correct
55 Correct 117 ms 24144 KB Output is correct
56 Correct 120 ms 24148 KB Output is correct
57 Correct 54 ms 14168 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 2 ms 900 KB Output is correct
61 Correct 55 ms 14192 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 1 ms 348 KB Output is correct
65 Correct 33 ms 6276 KB Output is correct
66 Correct 52 ms 14160 KB Output is correct
67 Correct 49 ms 14160 KB Output is correct
68 Correct 51 ms 14212 KB Output is correct
69 Correct 52 ms 14164 KB Output is correct
# 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 1 ms 348 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 113 ms 23996 KB Output is correct
8 Correct 0 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 0 ms 348 KB Output is correct
12 Correct 6 ms 1176 KB Output is correct
13 Correct 121 ms 24096 KB Output is correct
14 Correct 0 ms 424 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 55 ms 14076 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 28 ms 6156 KB Output is correct
21 Correct 116 ms 24016 KB Output is correct
22 Correct 113 ms 24144 KB Output is correct
23 Correct 126 ms 23888 KB Output is correct
24 Correct 129 ms 24068 KB Output is correct
25 Correct 54 ms 14080 KB Output is correct
26 Correct 48 ms 14160 KB Output is correct
27 Correct 122 ms 24144 KB Output is correct
28 Correct 118 ms 24144 KB Output is correct
29 Correct 1 ms 344 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 5 ms 1372 KB Output is correct
37 Correct 120 ms 24144 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 5 ms 1176 KB Output is correct
41 Correct 125 ms 24148 KB Output is correct
42 Correct 0 ms 344 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 3 ms 860 KB Output is correct
45 Correct 57 ms 14076 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 30 ms 6384 KB Output is correct
50 Correct 122 ms 24144 KB Output is correct
51 Correct 116 ms 24144 KB Output is correct
52 Correct 130 ms 24136 KB Output is correct
53 Correct 72 ms 14164 KB Output is correct
54 Correct 50 ms 14076 KB Output is correct
55 Correct 117 ms 24144 KB Output is correct
56 Correct 120 ms 24148 KB Output is correct
57 Correct 54 ms 14168 KB Output is correct
58 Correct 0 ms 344 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 39 ms 6276 KB Output is correct
62 Correct 113 ms 23932 KB Output is correct
63 Correct 130 ms 23976 KB Output is correct
64 Correct 129 ms 23892 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 28 ms 6344 KB Output is correct
67 Correct 120 ms 24148 KB Output is correct
68 Correct 114 ms 23968 KB Output is correct
69 Correct 120 ms 23936 KB Output is correct
70 Correct 0 ms 344 KB Output is correct
71 Correct 0 ms 344 KB Output is correct
72 Correct 0 ms 428 KB Output is correct
73 Correct 31 ms 6328 KB Output is correct
74 Correct 124 ms 24244 KB Output is correct
75 Correct 117 ms 23920 KB Output is correct
76 Correct 116 ms 24148 KB Output is correct
77 Correct 114 ms 24148 KB Output is correct
78 Correct 0 ms 348 KB Output is correct
79 Correct 0 ms 348 KB Output is correct
80 Correct 2 ms 900 KB Output is correct
81 Correct 55 ms 14192 KB Output is correct
82 Correct 0 ms 348 KB Output is correct
83 Correct 0 ms 348 KB Output is correct
84 Correct 1 ms 348 KB Output is correct
85 Correct 33 ms 6276 KB Output is correct
86 Correct 52 ms 14160 KB Output is correct
87 Correct 49 ms 14160 KB Output is correct
88 Correct 51 ms 14212 KB Output is correct
89 Correct 52 ms 14164 KB Output is correct
90 Correct 0 ms 344 KB Output is correct
91 Correct 0 ms 348 KB Output is correct
92 Correct 4 ms 860 KB Output is correct
93 Correct 59 ms 14080 KB Output is correct
94 Correct 0 ms 348 KB Output is correct
95 Correct 0 ms 348 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 14 ms 3672 KB Output is correct
98 Correct 51 ms 14080 KB Output is correct
99 Correct 53 ms 14164 KB Output is correct
100 Correct 53 ms 14160 KB Output is correct
101 Correct 73 ms 14172 KB Output is correct
102 Correct 48 ms 14160 KB Output is correct
103 Correct 50 ms 14128 KB Output is correct
104 Correct 59 ms 14160 KB Output is correct
105 Correct 61 ms 14164 KB Output is correct