oj.uz

Submission #790203

# Submission time Handle Problem Language Result Execution time Memory
790203 2023-07-22T12:04:15 Z Andrey Connecting Supertrees (IOI20_supertrees) C++14
100 / 100
 180 ms 26188 KB 
#include "supertrees.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std;

vector<vector<int>> ans(0);
vector<vector<int>> haha(0);
vector<bool> bruh(3001,true);
int n;
vector<int> col(3000,-1);
vector<int> no(3000,-1);

void dfs(int a, int c) {
    col[a] = c;
    if(a != c) {
        ans[a][c] = 1;
        ans[c][a] = 1;
    }
    for(int i = 0; i < n; i++) {
        if(col[i] == -1 && haha[a][i] == 1) {
            dfs(i,c);
        }
    }
}

int construct(vector<vector<int>> p) {
    n = p[0].size();
    haha = p;
    vector<int> wut(0);
    for(int i = 0; i < n; i++) {
        ans.push_back(vector<int> (n));
    }
    for(int i = 0; i < n; i++) {
        if(col[i] == -1) {
            dfs(i,i);
            wut.push_back(i);
        }
    }
    for(int i = 0; i < wut.size(); i++) {
        if(no[wut[i]] == -1) {
            vector<int> wow(0);
            wow.push_back(wut[i]);
            no[wut[i]] = i;
            for(int j = 0; j < wut.size(); j++) {
                if(haha[wut[i]][wut[j]] == 2 && no[wut[j]] == -1) {
                    bruh[j] = false;
                    wow.push_back(wut[j]);
                    no[wut[j]] = i;
                }
            }
            if(wow.size() == 2) {
                return 0;
            }
            if(wow.size() > 1) {
                for(int j = 0; j < wow.size(); j++) {
                    ans[wow[j]][wow[(j+1)%(int)wow.size()]] = 1;
                    ans[wow[(j+1)%(int)wow.size()]][wow[j]] = 1;
                }
            }
        }
    }
    for(int i = 0; i < n; i++) {
        for(int j = 0; j < n; j++) {
            if(i != j) {
                if((col[i] == col[j]) && haha[i][j] != 1) {
                    return 0;
                }
                if((col[i] != col[j] && no[col[i]] == no[col[j]]) && haha[i][j] != 2) {
                    return 0;
                }
                if(no[col[i]] != no[col[j]] && haha[i][j] != 0) {
                    return 0;
                }
            }
        }
    }
    build(ans);
    return 1;
}

Compilation message

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:39:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |     for(int i = 0; i < wut.size(); i++) {
      |                    ~~^~~~~~~~~~~~
supertrees.cpp:44:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |             for(int j = 0; j < wut.size(); j++) {
      |                            ~~^~~~~~~~~~~~
supertrees.cpp:55:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |                 for(int j = 0; j < wow.size(); j++) {
      |                                ~~^~~~~~~~~~~~

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 316 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 1364 KB Output is correct
7 Correct 145 ms 26012 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 316 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 1364 KB Output is correct
7 Correct 145 ms 26012 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 244 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 6 ms 1364 KB Output is correct
13 Correct 147 ms 26072 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 852 KB Output is correct
17 Correct 62 ms 16076 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 36 ms 6768 KB Output is correct
21 Correct 153 ms 26024 KB Output is correct
22 Correct 146 ms 26016 KB Output is correct
23 Correct 151 ms 25980 KB Output is correct
24 Correct 144 ms 26008 KB Output is correct
25 Correct 60 ms 16040 KB Output is correct
26 Correct 58 ms 16116 KB Output is correct
27 Correct 149 ms 25976 KB Output is correct
28 Correct 180 ms 25932 KB Output is correct

Subtask #3
19.0 / 19.0

# 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 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 6 ms 1364 KB Output is correct
9 Correct 149 ms 26012 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 7 ms 1312 KB Output is correct
13 Correct 145 ms 25920 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 4 ms 852 KB Output is correct
17 Correct 62 ms 16024 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 37 ms 6692 KB Output is correct
22 Correct 175 ms 26024 KB Output is correct
23 Correct 156 ms 26012 KB Output is correct
24 Correct 149 ms 26032 KB Output is correct
25 Correct 58 ms 16032 KB Output is correct
26 Correct 58 ms 16032 KB Output is correct
27 Correct 153 ms 26024 KB Output is correct
28 Correct 147 ms 26020 KB Output is correct
29 Correct 60 ms 16024 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 37 ms 6756 KB Output is correct
5 Correct 148 ms 26020 KB Output is correct
6 Correct 149 ms 25936 KB Output is correct
7 Correct 151 ms 26188 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 37 ms 6700 KB Output is correct
10 Correct 163 ms 26016 KB Output is correct
11 Correct 152 ms 25984 KB Output is correct
12 Correct 149 ms 25972 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 44 ms 6688 KB Output is correct
17 Correct 156 ms 26020 KB Output is correct
18 Correct 145 ms 26020 KB Output is correct
19 Correct 154 ms 26000 KB Output is correct
20 Correct 147 ms 26028 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 316 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 1364 KB Output is correct
7 Correct 145 ms 26012 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 244 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 6 ms 1364 KB Output is correct
13 Correct 147 ms 26072 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 852 KB Output is correct
17 Correct 62 ms 16076 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 36 ms 6768 KB Output is correct
21 Correct 153 ms 26024 KB Output is correct
22 Correct 146 ms 26016 KB Output is correct
23 Correct 151 ms 25980 KB Output is correct
24 Correct 144 ms 26008 KB Output is correct
25 Correct 60 ms 16040 KB Output is correct
26 Correct 58 ms 16116 KB Output is correct
27 Correct 149 ms 25976 KB Output is correct
28 Correct 180 ms 25932 KB Output is correct
29 Correct 1 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 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 6 ms 1364 KB Output is correct
37 Correct 149 ms 26012 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 7 ms 1312 KB Output is correct
41 Correct 145 ms 25920 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 4 ms 852 KB Output is correct
45 Correct 62 ms 16024 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 37 ms 6692 KB Output is correct
50 Correct 175 ms 26024 KB Output is correct
51 Correct 156 ms 26012 KB Output is correct
52 Correct 149 ms 26032 KB Output is correct
53 Correct 58 ms 16032 KB Output is correct
54 Correct 58 ms 16032 KB Output is correct
55 Correct 153 ms 26024 KB Output is correct
56 Correct 147 ms 26020 KB Output is correct
57 Correct 60 ms 16024 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 3 ms 980 KB Output is correct
61 Correct 63 ms 18068 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 0 ms 340 KB Output is correct
64 Correct 1 ms 256 KB Output is correct
65 Correct 38 ms 7264 KB Output is correct
66 Correct 61 ms 18076 KB Output is correct
67 Correct 60 ms 18072 KB Output is correct
68 Correct 59 ms 18060 KB Output is correct
69 Correct 59 ms 17960 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 316 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 1364 KB Output is correct
7 Correct 145 ms 26012 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 244 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 6 ms 1364 KB Output is correct
13 Correct 147 ms 26072 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 852 KB Output is correct
17 Correct 62 ms 16076 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 36 ms 6768 KB Output is correct
21 Correct 153 ms 26024 KB Output is correct
22 Correct 146 ms 26016 KB Output is correct
23 Correct 151 ms 25980 KB Output is correct
24 Correct 144 ms 26008 KB Output is correct
25 Correct 60 ms 16040 KB Output is correct
26 Correct 58 ms 16116 KB Output is correct
27 Correct 149 ms 25976 KB Output is correct
28 Correct 180 ms 25932 KB Output is correct
29 Correct 1 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 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 6 ms 1364 KB Output is correct
37 Correct 149 ms 26012 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 7 ms 1312 KB Output is correct
41 Correct 145 ms 25920 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 4 ms 852 KB Output is correct
45 Correct 62 ms 16024 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 37 ms 6692 KB Output is correct
50 Correct 175 ms 26024 KB Output is correct
51 Correct 156 ms 26012 KB Output is correct
52 Correct 149 ms 26032 KB Output is correct
53 Correct 58 ms 16032 KB Output is correct
54 Correct 58 ms 16032 KB Output is correct
55 Correct 153 ms 26024 KB Output is correct
56 Correct 147 ms 26020 KB Output is correct
57 Correct 60 ms 16024 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 37 ms 6756 KB Output is correct
62 Correct 148 ms 26020 KB Output is correct
63 Correct 149 ms 25936 KB Output is correct
64 Correct 151 ms 26188 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 37 ms 6700 KB Output is correct
67 Correct 163 ms 26016 KB Output is correct
68 Correct 152 ms 25984 KB Output is correct
69 Correct 149 ms 25972 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 44 ms 6688 KB Output is correct
74 Correct 156 ms 26020 KB Output is correct
75 Correct 145 ms 26020 KB Output is correct
76 Correct 154 ms 26000 KB Output is correct
77 Correct 147 ms 26028 KB Output is correct
78 Correct 1 ms 212 KB Output is correct
79 Correct 0 ms 212 KB Output is correct
80 Correct 3 ms 980 KB Output is correct
81 Correct 63 ms 18068 KB Output is correct
82 Correct 1 ms 212 KB Output is correct
83 Correct 0 ms 340 KB Output is correct
84 Correct 1 ms 256 KB Output is correct
85 Correct 38 ms 7264 KB Output is correct
86 Correct 61 ms 18076 KB Output is correct
87 Correct 60 ms 18072 KB Output is correct
88 Correct 59 ms 18060 KB Output is correct
89 Correct 59 ms 17960 KB Output is correct
90 Correct 1 ms 212 KB Output is correct
91 Correct 1 ms 212 KB Output is correct
92 Correct 3 ms 948 KB Output is correct
93 Correct 62 ms 18060 KB Output is correct
94 Correct 0 ms 212 KB Output is correct
95 Correct 0 ms 212 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 15 ms 4760 KB Output is correct
98 Correct 60 ms 18068 KB Output is correct
99 Correct 59 ms 18076 KB Output is correct
100 Correct 59 ms 18060 KB Output is correct
101 Correct 60 ms 18076 KB Output is correct
102 Correct 63 ms 18060 KB Output is correct
103 Correct 59 ms 18060 KB Output is correct
104 Correct 58 ms 18076 KB Output is correct
105 Correct 74 ms 18056 KB Output is correct