oj.uz

Submission #603730

# Submission time Handle Problem Language Result Execution time Memory
603730 2022-07-24T10:30:58 Z HamletPetrosyan Connecting Supertrees (IOI20_supertrees) C++17
100 / 100
 230 ms 22212 KB 
#include "supertrees.h"
#include <iostream>
#include <vector>
using namespace std;

#define add push_back
#define len(a) ((int)(a).size())

int construct(vector<vector<int>> p) {
	vector<vector<int>> answer(len(p));
	vector<int> h(len(p)), s(len(p));
	vector<int> v[1005];

	int now = 0;
	for(int i = 0; i < len(p); i++){
		answer[i].resize(len(p));
		for(int j = 0; j < i; j++){
			if(p[i][j] != 0){
				h[i] = h[j];
				break;
			}
		}
		if(h[i] == 0){
			h[i] = ++now;
		}
		v[h[i]].add(i);
	}

	for(int i = 0; i < len(p); i++){
		for(int j = 0; j < len(p); j++){
			if(p[i][j] == 3) return 0;
			if(i == j) continue;
			if(p[i][j] != 0 && h[i] != h[j]){
//				cout << "E1.1" << endl;
				return 0;
			}
			if(p[i][j] == 0 && h[i] == h[j]){
//				cout << "E1.2" << endl;
				return 0;
			}
		}
	}

//	for(int i = 1; i <= now; i++){
//		for(int j = 0; j < len(v[i]); j++){
//			cout << v[i][j] << " ";
//		}
//		cout << endl;
//	}

	vector<vector<int>> a;
	int x, v1, v2;
	a.resize(1005);
	for(int i = 1; i <= now; i++){
		x = 0;
		for(int j = 0; j < len(v[i]); j++){
			v1 = v[i][j];
			for(int k = 0; k < j; k++){
				v2 = v[i][k];
				if(p[v1][v2] == 1){
					s[v1] = s[v2];
					break;
				}
			}
			if(s[v1] == 0){
				s[v1] = ++x;
			}
			a[s[v1]].add(v1);
		}

		if(x == 2) return 0;

		for(int j = 0; j < len(v[i]); j++){
			v1 = v[i][j];
			for(int k = 0; k < len(v[i]); k++){
				if(j == k) continue;
				v2 = v[i][k];
				if(p[v1][v2] != 1 && s[v1] == s[v2]){
//					cout << "E2.1" << endl;
					return 0;
				}
				if(p[v1][v2] == 1 && s[v1] != s[v2]){
//					cout << "E2.2" << endl << "----------" << endl << v1 << " " << v2 << " : " << s[v1] << " " << s[v2] << endl;
					return 0;
				}
			}
		}

		for(int j = 1; j <= x; j++){
			for(int k = 1; k < len(a[j]); k++){
				answer[a[j][k - 1]][a[j][k]] = answer[a[j][k]][a[j][k - 1]] = 1;
			}
			if(x > 1){
				if(j == 1) answer[a[j][0]][a[x][0]] = answer[a[x][0]][a[j][0]] = 1;
				else answer[a[j][0]][a[j - 1][0]] = answer[a[j - 1][0]][a[j][0]] = 1;
			}
		}
		for(int j = 1; j <= x; j++) a[j].clear();
	}

	build(answer);
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 8 ms 1224 KB Output is correct
7 Correct 175 ms 22024 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 8 ms 1224 KB Output is correct
7 Correct 175 ms 22024 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 268 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 168 ms 22148 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 80 ms 12044 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 47 ms 5724 KB Output is correct
21 Correct 170 ms 22092 KB Output is correct
22 Correct 177 ms 22032 KB Output is correct
23 Correct 177 ms 22212 KB Output is correct
24 Correct 173 ms 22108 KB Output is correct
25 Correct 73 ms 12164 KB Output is correct
26 Correct 78 ms 12164 KB Output is correct
27 Correct 177 ms 22080 KB Output is correct
28 Correct 188 ms 22064 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 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 8 ms 1200 KB Output is correct
9 Correct 179 ms 22008 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 9 ms 1236 KB Output is correct
13 Correct 230 ms 22048 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 6 ms 724 KB Output is correct
17 Correct 85 ms 12160 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 42 ms 5696 KB Output is correct
22 Correct 178 ms 22048 KB Output is correct
23 Correct 202 ms 22012 KB Output is correct
24 Correct 180 ms 22156 KB Output is correct
25 Correct 97 ms 12252 KB Output is correct
26 Correct 71 ms 12164 KB Output is correct
27 Correct 165 ms 22056 KB Output is correct
28 Correct 185 ms 22032 KB Output is correct
29 Correct 70 ms 12136 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 50 ms 5756 KB Output is correct
5 Correct 198 ms 22028 KB Output is correct
6 Correct 168 ms 22040 KB Output is correct
7 Correct 209 ms 22020 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 42 ms 5776 KB Output is correct
10 Correct 188 ms 22016 KB Output is correct
11 Correct 169 ms 22036 KB Output is correct
12 Correct 185 ms 22020 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 41 ms 5788 KB Output is correct
17 Correct 177 ms 22076 KB Output is correct
18 Correct 164 ms 22068 KB Output is correct
19 Correct 180 ms 22036 KB Output is correct
20 Correct 164 ms 22044 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 8 ms 1224 KB Output is correct
7 Correct 175 ms 22024 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 268 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 168 ms 22148 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 80 ms 12044 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 47 ms 5724 KB Output is correct
21 Correct 170 ms 22092 KB Output is correct
22 Correct 177 ms 22032 KB Output is correct
23 Correct 177 ms 22212 KB Output is correct
24 Correct 173 ms 22108 KB Output is correct
25 Correct 73 ms 12164 KB Output is correct
26 Correct 78 ms 12164 KB Output is correct
27 Correct 177 ms 22080 KB Output is correct
28 Correct 188 ms 22064 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 8 ms 1200 KB Output is correct
37 Correct 179 ms 22008 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 9 ms 1236 KB Output is correct
41 Correct 230 ms 22048 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 6 ms 724 KB Output is correct
45 Correct 85 ms 12160 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 42 ms 5696 KB Output is correct
50 Correct 178 ms 22048 KB Output is correct
51 Correct 202 ms 22012 KB Output is correct
52 Correct 180 ms 22156 KB Output is correct
53 Correct 97 ms 12252 KB Output is correct
54 Correct 71 ms 12164 KB Output is correct
55 Correct 165 ms 22056 KB Output is correct
56 Correct 185 ms 22032 KB Output is correct
57 Correct 70 ms 12136 KB Output is correct
58 Correct 0 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 4 ms 724 KB Output is correct
61 Correct 80 ms 12164 KB Output is correct
62 Correct 0 ms 340 KB Output is correct
63 Correct 0 ms 340 KB Output is correct
64 Correct 0 ms 340 KB Output is correct
65 Correct 45 ms 5748 KB Output is correct
66 Correct 71 ms 12044 KB Output is correct
67 Correct 69 ms 12048 KB Output is correct
68 Correct 77 ms 12164 KB Output is correct
69 Correct 76 ms 12160 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 8 ms 1224 KB Output is correct
7 Correct 175 ms 22024 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 268 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 168 ms 22148 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 80 ms 12044 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 47 ms 5724 KB Output is correct
21 Correct 170 ms 22092 KB Output is correct
22 Correct 177 ms 22032 KB Output is correct
23 Correct 177 ms 22212 KB Output is correct
24 Correct 173 ms 22108 KB Output is correct
25 Correct 73 ms 12164 KB Output is correct
26 Correct 78 ms 12164 KB Output is correct
27 Correct 177 ms 22080 KB Output is correct
28 Correct 188 ms 22064 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 8 ms 1200 KB Output is correct
37 Correct 179 ms 22008 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 9 ms 1236 KB Output is correct
41 Correct 230 ms 22048 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 6 ms 724 KB Output is correct
45 Correct 85 ms 12160 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 42 ms 5696 KB Output is correct
50 Correct 178 ms 22048 KB Output is correct
51 Correct 202 ms 22012 KB Output is correct
52 Correct 180 ms 22156 KB Output is correct
53 Correct 97 ms 12252 KB Output is correct
54 Correct 71 ms 12164 KB Output is correct
55 Correct 165 ms 22056 KB Output is correct
56 Correct 185 ms 22032 KB Output is correct
57 Correct 70 ms 12136 KB Output is correct
58 Correct 0 ms 340 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 50 ms 5756 KB Output is correct
62 Correct 198 ms 22028 KB Output is correct
63 Correct 168 ms 22040 KB Output is correct
64 Correct 209 ms 22020 KB Output is correct
65 Correct 0 ms 340 KB Output is correct
66 Correct 42 ms 5776 KB Output is correct
67 Correct 188 ms 22016 KB Output is correct
68 Correct 169 ms 22036 KB Output is correct
69 Correct 185 ms 22020 KB Output is correct
70 Correct 0 ms 340 KB Output is correct
71 Correct 0 ms 340 KB Output is correct
72 Correct 0 ms 340 KB Output is correct
73 Correct 41 ms 5788 KB Output is correct
74 Correct 177 ms 22076 KB Output is correct
75 Correct 164 ms 22068 KB Output is correct
76 Correct 180 ms 22036 KB Output is correct
77 Correct 164 ms 22044 KB Output is correct
78 Correct 0 ms 212 KB Output is correct
79 Correct 0 ms 212 KB Output is correct
80 Correct 4 ms 724 KB Output is correct
81 Correct 80 ms 12164 KB Output is correct
82 Correct 0 ms 340 KB Output is correct
83 Correct 0 ms 340 KB Output is correct
84 Correct 0 ms 340 KB Output is correct
85 Correct 45 ms 5748 KB Output is correct
86 Correct 71 ms 12044 KB Output is correct
87 Correct 69 ms 12048 KB Output is correct
88 Correct 77 ms 12164 KB Output is correct
89 Correct 76 ms 12160 KB Output is correct
90 Correct 0 ms 212 KB Output is correct
91 Correct 0 ms 212 KB Output is correct
92 Correct 4 ms 724 KB Output is correct
93 Correct 77 ms 12160 KB Output is correct
94 Correct 1 ms 212 KB Output is correct
95 Correct 1 ms 212 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 18 ms 3708 KB Output is correct
98 Correct 79 ms 14064 KB Output is correct
99 Correct 74 ms 14120 KB Output is correct
100 Correct 80 ms 14068 KB Output is correct
101 Correct 76 ms 14128 KB Output is correct
102 Correct 74 ms 14064 KB Output is correct
103 Correct 73 ms 14080 KB Output is correct
104 Correct 73 ms 14072 KB Output is correct
105 Correct 76 ms 14028 KB Output is correct