oj.uz

Submission #300597

# Submission time Handle Problem Language Result Execution time Memory
300597 2020-09-17T10:05:08 Z lohacho Connecting Supertrees (IOI20_supertrees) C++14
100 / 100
 286 ms 22408 KB 
#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;

struct dsu{
    vector < int > pr, rk;
    int N;
    dsu(){}
    dsu(int n):N(n){
        pr.resize(N), rk.resize(N);
        for(int i = 0; i < N; ++i) pr[i] = i, rk[i] = 1;
    }
    inline int get(int x){
        return x == pr[x] ? x : pr[x] = get(pr[x]);
    }
    inline bool unite(int x, int y){
        x = get(x), y = get(y);
        if(x != y){
            if(rk[x] < rk[y]) swap(x, y);
            pr[y] = x, rk[x] += rk[y];
            return true;
        }
        return false;
    }
}all(1004), one(1004);
vector < int > circle[1004], line[1004];

int construct(std::vector<std::vector<int>> p) {
	int N = p.size();
	std::vector<std::vector<int>> answer;
	answer.resize(N);
    for(int i = 0; i < N; ++i){
        answer[i].resize(N);
        for(int j = 0; j < N; ++j){
            if(p[i][j] == 3){
                return 0;
            }
            if(p[i][j]){
                all.unite(i, j);
            }
            if(p[i][j] == 1){
                one.unite(i, j);
            }
        }
    }
    for(int i = 0; i < N; ++i){
        for(int j = 0; j < N; ++j){
            if(!p[i][j] && all.get(i) == all.get(j)) return 0;
            if(p[i][j] == 2 && one.get(i) == one.get(j)) return 0;
        }
    }
    for(int i = 0; i < N; ++i){
        if(one.get(i) == i){
            circle[all.get(i)].push_back(i);
        }
        line[one.get(i)].push_back(i);
    }
    for(int i = 0; i < N; ++i){
        if((int)circle[i].size() == 2){
            return 0;
        }
        for(int j = 0; j < (int)circle[i].size() - 1; ++j){
            answer[circle[i][j]][circle[i][j + 1]] = answer[circle[i][j + 1]][circle[i][j]] = 1;
        }
        if((int)circle[i].size() >= 3){
            answer[circle[i][0]][circle[i].back()] = answer[circle[i].back()][circle[i][0]] = 1;
        }
        for(int j = 0; j < (int)line[i].size() - 1; ++j){
            answer[line[i][j]][line[i][j + 1]] = answer[line[i][j + 1]][line[i][j]] = 1;
        }
    }
    build(answer);
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1280 KB Output is correct
7 Correct 271 ms 22136 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 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1280 KB Output is correct
7 Correct 271 ms 22136 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 10 ms 1280 KB Output is correct
13 Correct 249 ms 22140 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 6 ms 896 KB Output is correct
17 Correct 128 ms 12280 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 63 ms 5880 KB Output is correct
21 Correct 252 ms 22136 KB Output is correct
22 Correct 256 ms 22136 KB Output is correct
23 Correct 264 ms 22136 KB Output is correct
24 Correct 247 ms 22264 KB Output is correct
25 Correct 116 ms 12280 KB Output is correct
26 Correct 107 ms 12152 KB Output is correct
27 Correct 273 ms 22164 KB Output is correct
28 Correct 248 ms 22136 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 1 ms 512 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 11 ms 1280 KB Output is correct
9 Correct 254 ms 22264 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 11 ms 1280 KB Output is correct
13 Correct 263 ms 22164 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 6 ms 896 KB Output is correct
17 Correct 122 ms 12152 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 65 ms 5880 KB Output is correct
22 Correct 256 ms 22180 KB Output is correct
23 Correct 262 ms 22188 KB Output is correct
24 Correct 270 ms 22128 KB Output is correct
25 Correct 114 ms 12280 KB Output is correct
26 Correct 113 ms 12152 KB Output is correct
27 Correct 255 ms 22408 KB Output is correct
28 Correct 286 ms 22164 KB Output is correct
29 Correct 112 ms 12312 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 416 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 67 ms 5880 KB Output is correct
5 Correct 274 ms 22136 KB Output is correct
6 Correct 253 ms 22136 KB Output is correct
7 Correct 267 ms 22136 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 69 ms 5880 KB Output is correct
10 Correct 257 ms 22136 KB Output is correct
11 Correct 251 ms 22136 KB Output is correct
12 Correct 268 ms 22240 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 416 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 66 ms 5880 KB Output is correct
17 Correct 256 ms 22264 KB Output is correct
18 Correct 262 ms 22264 KB Output is correct
19 Correct 252 ms 22136 KB Output is correct
20 Correct 250 ms 22160 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 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1280 KB Output is correct
7 Correct 271 ms 22136 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 10 ms 1280 KB Output is correct
13 Correct 249 ms 22140 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 6 ms 896 KB Output is correct
17 Correct 128 ms 12280 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 63 ms 5880 KB Output is correct
21 Correct 252 ms 22136 KB Output is correct
22 Correct 256 ms 22136 KB Output is correct
23 Correct 264 ms 22136 KB Output is correct
24 Correct 247 ms 22264 KB Output is correct
25 Correct 116 ms 12280 KB Output is correct
26 Correct 107 ms 12152 KB Output is correct
27 Correct 273 ms 22164 KB Output is correct
28 Correct 248 ms 22136 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 512 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 11 ms 1280 KB Output is correct
37 Correct 254 ms 22264 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 11 ms 1280 KB Output is correct
41 Correct 263 ms 22164 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 1 ms 384 KB Output is correct
44 Correct 6 ms 896 KB Output is correct
45 Correct 122 ms 12152 KB Output is correct
46 Correct 0 ms 384 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 1 ms 384 KB Output is correct
49 Correct 65 ms 5880 KB Output is correct
50 Correct 256 ms 22180 KB Output is correct
51 Correct 262 ms 22188 KB Output is correct
52 Correct 270 ms 22128 KB Output is correct
53 Correct 114 ms 12280 KB Output is correct
54 Correct 113 ms 12152 KB Output is correct
55 Correct 255 ms 22408 KB Output is correct
56 Correct 286 ms 22164 KB Output is correct
57 Correct 112 ms 12312 KB Output is correct
58 Correct 1 ms 384 KB Output is correct
59 Correct 1 ms 384 KB Output is correct
60 Correct 6 ms 896 KB Output is correct
61 Correct 134 ms 12280 KB Output is correct
62 Correct 1 ms 384 KB Output is correct
63 Correct 1 ms 384 KB Output is correct
64 Correct 1 ms 384 KB Output is correct
65 Correct 65 ms 5912 KB Output is correct
66 Correct 110 ms 12152 KB Output is correct
67 Correct 112 ms 12152 KB Output is correct
68 Correct 110 ms 12280 KB Output is correct
69 Correct 109 ms 12280 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 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1280 KB Output is correct
7 Correct 271 ms 22136 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 10 ms 1280 KB Output is correct
13 Correct 249 ms 22140 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 6 ms 896 KB Output is correct
17 Correct 128 ms 12280 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 63 ms 5880 KB Output is correct
21 Correct 252 ms 22136 KB Output is correct
22 Correct 256 ms 22136 KB Output is correct
23 Correct 264 ms 22136 KB Output is correct
24 Correct 247 ms 22264 KB Output is correct
25 Correct 116 ms 12280 KB Output is correct
26 Correct 107 ms 12152 KB Output is correct
27 Correct 273 ms 22164 KB Output is correct
28 Correct 248 ms 22136 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 512 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 11 ms 1280 KB Output is correct
37 Correct 254 ms 22264 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 11 ms 1280 KB Output is correct
41 Correct 263 ms 22164 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 1 ms 384 KB Output is correct
44 Correct 6 ms 896 KB Output is correct
45 Correct 122 ms 12152 KB Output is correct
46 Correct 0 ms 384 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 1 ms 384 KB Output is correct
49 Correct 65 ms 5880 KB Output is correct
50 Correct 256 ms 22180 KB Output is correct
51 Correct 262 ms 22188 KB Output is correct
52 Correct 270 ms 22128 KB Output is correct
53 Correct 114 ms 12280 KB Output is correct
54 Correct 113 ms 12152 KB Output is correct
55 Correct 255 ms 22408 KB Output is correct
56 Correct 286 ms 22164 KB Output is correct
57 Correct 112 ms 12312 KB Output is correct
58 Correct 1 ms 416 KB Output is correct
59 Correct 1 ms 384 KB Output is correct
60 Correct 1 ms 384 KB Output is correct
61 Correct 67 ms 5880 KB Output is correct
62 Correct 274 ms 22136 KB Output is correct
63 Correct 253 ms 22136 KB Output is correct
64 Correct 267 ms 22136 KB Output is correct
65 Correct 1 ms 384 KB Output is correct
66 Correct 69 ms 5880 KB Output is correct
67 Correct 257 ms 22136 KB Output is correct
68 Correct 251 ms 22136 KB Output is correct
69 Correct 268 ms 22240 KB Output is correct
70 Correct 1 ms 384 KB Output is correct
71 Correct 1 ms 416 KB Output is correct
72 Correct 1 ms 384 KB Output is correct
73 Correct 66 ms 5880 KB Output is correct
74 Correct 256 ms 22264 KB Output is correct
75 Correct 262 ms 22264 KB Output is correct
76 Correct 252 ms 22136 KB Output is correct
77 Correct 250 ms 22160 KB Output is correct
78 Correct 1 ms 384 KB Output is correct
79 Correct 1 ms 384 KB Output is correct
80 Correct 6 ms 896 KB Output is correct
81 Correct 134 ms 12280 KB Output is correct
82 Correct 1 ms 384 KB Output is correct
83 Correct 1 ms 384 KB Output is correct
84 Correct 1 ms 384 KB Output is correct
85 Correct 65 ms 5912 KB Output is correct
86 Correct 110 ms 12152 KB Output is correct
87 Correct 112 ms 12152 KB Output is correct
88 Correct 110 ms 12280 KB Output is correct
89 Correct 109 ms 12280 KB Output is correct
90 Correct 1 ms 384 KB Output is correct
91 Correct 1 ms 384 KB Output is correct
92 Correct 5 ms 640 KB Output is correct
93 Correct 110 ms 8312 KB Output is correct
94 Correct 1 ms 416 KB Output is correct
95 Correct 1 ms 384 KB Output is correct
96 Correct 1 ms 384 KB Output is correct
97 Correct 27 ms 2432 KB Output is correct
98 Correct 107 ms 8568 KB Output is correct
99 Correct 110 ms 8952 KB Output is correct
100 Correct 104 ms 8696 KB Output is correct
101 Correct 103 ms 9592 KB Output is correct
102 Correct 121 ms 8312 KB Output is correct
103 Correct 121 ms 8344 KB Output is correct
104 Correct 111 ms 8312 KB Output is correct
105 Correct 120 ms 8312 KB Output is correct