oj.uz

Submission #822192

# Submission time Handle Problem Language Result Execution time Memory
822192 2023-08-12T02:00:29 Z Username4132 Connecting Supertrees (IOI20_supertrees) C++14
96 / 100
 217 ms 26008 KB 
#include "supertrees.h"
#include<iostream>
#include <vector>
using namespace std;
#define forn(i, n) for(int i=0; i<(int)n; ++i)
#define forsn(i, s, n) for(int i=s; i<(int)n; ++i)
#define PB push_back

const int MAXN = 1010;
int n;
bool vi1[MAXN], vi2[MAXN], ad1[MAXN][MAXN], ad2[MAXN][MAXN];
vector<int> comp;

void dfs(int v, bool* vis, bool adj[][MAXN]){
	vis[v]=true;
	comp.PB(v);
	forn(i, n) if(!vis[i] && adj[v][i]) dfs(i, vis, adj);
}

bool check(vector<int>& com, bool adj[][MAXN]){
	bool ret = true;
	int sz = (int)com.size();
	forn(i, sz) forsn(j, i+1, sz) ret &= adj[com[i]][com[j]];
	return ret;
}



int construct(std::vector<std::vector<int>> p) {
	n = (int)p.size();
	std::vector<std::vector<int>> ans(n, vector<int>(n, 0));
	bool has3 = false;
	forn(i, n) forn(j, n) has3 |= (ans[i][j] == 3);
	if(has3) return 0;
	forn(i, n) forn(j, n) ad1[i][j] = (p[i][j] > 0);
	forn(i, n) forn(j, n) ad2[i][j] = (p[i][j] == 1);
	forn(i, n) if(!vi1[i]){
		dfs(i, vi1, ad1);
		if(!check(comp, ad1)) return 0;
		vector<int> al, rep;
		swap(comp, al);
		for(int el:al) if(!vi2[el]){
			dfs(el, vi2, ad2);
			if(!check(comp, ad2)) return 0;
			forn(j, comp.size() - 1) ans[comp[j]][comp[j+1]]=ans[comp[j+1]][comp[j]]=1;
			rep.PB(comp.back());
			comp.clear();
		}
		if((int)rep.size() == 2) return 0;
		if((int)rep.size() > 2){
			forn(j, rep.size() - 1) ans[rep[j]][rep[j+1]]=ans[rep[j+1]][rep[j]]=1;
			ans[rep.front()][rep.back()]=ans[rep.back()][rep.front()]=1;
		}
	}
	build(ans);
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 236 KB Output is correct
2 Correct 0 ms 312 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 7 ms 1600 KB Output is correct
7 Correct 155 ms 25976 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 236 KB Output is correct
2 Correct 0 ms 312 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 7 ms 1600 KB Output is correct
7 Correct 155 ms 25976 KB Output is correct
8 Correct 1 ms 236 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 10 ms 1640 KB Output is correct
13 Correct 153 ms 25928 KB Output is correct
14 Correct 1 ms 312 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 1236 KB Output is correct
17 Correct 80 ms 16008 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 312 KB Output is correct
20 Correct 39 ms 7244 KB Output is correct
21 Correct 170 ms 25948 KB Output is correct
22 Correct 155 ms 25916 KB Output is correct
23 Correct 161 ms 25960 KB Output is correct
24 Correct 171 ms 25984 KB Output is correct
25 Correct 78 ms 16016 KB Output is correct
26 Correct 64 ms 16016 KB Output is correct
27 Correct 189 ms 26008 KB Output is correct
28 Correct 179 ms 25936 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 1 ms 312 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 8 ms 1620 KB Output is correct
9 Correct 154 ms 25868 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 8 ms 1608 KB Output is correct
13 Correct 215 ms 25996 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 3 ms 1236 KB Output is correct
17 Correct 79 ms 16132 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 308 KB Output is correct
21 Correct 59 ms 7204 KB Output is correct
22 Correct 186 ms 25888 KB Output is correct
23 Correct 207 ms 25964 KB Output is correct
24 Correct 189 ms 25976 KB Output is correct
25 Correct 81 ms 16076 KB Output is correct
26 Correct 63 ms 15996 KB Output is correct
27 Correct 186 ms 25972 KB Output is correct
28 Correct 186 ms 25984 KB Output is correct
29 Correct 65 ms 16048 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 308 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 40 ms 7180 KB Output is correct
5 Correct 217 ms 25948 KB Output is correct
6 Correct 172 ms 25964 KB Output is correct
7 Correct 192 ms 26004 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 49 ms 7208 KB Output is correct
10 Correct 183 ms 25948 KB Output is correct
11 Correct 175 ms 25908 KB Output is correct
12 Correct 182 ms 25988 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 264 KB Output is correct
16 Correct 44 ms 7212 KB Output is correct
17 Correct 181 ms 25992 KB Output is correct
18 Correct 196 ms 25944 KB Output is correct
19 Correct 160 ms 25880 KB Output is correct
20 Correct 162 ms 25880 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 236 KB Output is correct
2 Correct 0 ms 312 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 7 ms 1600 KB Output is correct
7 Correct 155 ms 25976 KB Output is correct
8 Correct 1 ms 236 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 10 ms 1640 KB Output is correct
13 Correct 153 ms 25928 KB Output is correct
14 Correct 1 ms 312 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 1236 KB Output is correct
17 Correct 80 ms 16008 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 312 KB Output is correct
20 Correct 39 ms 7244 KB Output is correct
21 Correct 170 ms 25948 KB Output is correct
22 Correct 155 ms 25916 KB Output is correct
23 Correct 161 ms 25960 KB Output is correct
24 Correct 171 ms 25984 KB Output is correct
25 Correct 78 ms 16016 KB Output is correct
26 Correct 64 ms 16016 KB Output is correct
27 Correct 189 ms 26008 KB Output is correct
28 Correct 179 ms 25936 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 312 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 316 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 8 ms 1620 KB Output is correct
37 Correct 154 ms 25868 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 8 ms 1608 KB Output is correct
41 Correct 215 ms 25996 KB Output is correct
42 Correct 1 ms 256 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 3 ms 1236 KB Output is correct
45 Correct 79 ms 16132 KB Output is correct
46 Correct 1 ms 256 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 308 KB Output is correct
49 Correct 59 ms 7204 KB Output is correct
50 Correct 186 ms 25888 KB Output is correct
51 Correct 207 ms 25964 KB Output is correct
52 Correct 189 ms 25976 KB Output is correct
53 Correct 81 ms 16076 KB Output is correct
54 Correct 63 ms 15996 KB Output is correct
55 Correct 186 ms 25972 KB Output is correct
56 Correct 186 ms 25984 KB Output is correct
57 Correct 65 ms 16048 KB Output is correct
58 Correct 1 ms 308 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 3 ms 1236 KB Output is correct
61 Correct 76 ms 16108 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 52 ms 7168 KB Output is correct
66 Correct 68 ms 16000 KB Output is correct
67 Correct 82 ms 16008 KB Output is correct
68 Correct 80 ms 16000 KB Output is correct
69 Correct 67 ms 15996 KB Output is correct

Subtask #6
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 236 KB Output is correct
2 Correct 0 ms 312 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 7 ms 1600 KB Output is correct
7 Correct 155 ms 25976 KB Output is correct
8 Correct 1 ms 236 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 10 ms 1640 KB Output is correct
13 Correct 153 ms 25928 KB Output is correct
14 Correct 1 ms 312 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 1236 KB Output is correct
17 Correct 80 ms 16008 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 312 KB Output is correct
20 Correct 39 ms 7244 KB Output is correct
21 Correct 170 ms 25948 KB Output is correct
22 Correct 155 ms 25916 KB Output is correct
23 Correct 161 ms 25960 KB Output is correct
24 Correct 171 ms 25984 KB Output is correct
25 Correct 78 ms 16016 KB Output is correct
26 Correct 64 ms 16016 KB Output is correct
27 Correct 189 ms 26008 KB Output is correct
28 Correct 179 ms 25936 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 312 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 316 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 8 ms 1620 KB Output is correct
37 Correct 154 ms 25868 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 8 ms 1608 KB Output is correct
41 Correct 215 ms 25996 KB Output is correct
42 Correct 1 ms 256 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 3 ms 1236 KB Output is correct
45 Correct 79 ms 16132 KB Output is correct
46 Correct 1 ms 256 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 308 KB Output is correct
49 Correct 59 ms 7204 KB Output is correct
50 Correct 186 ms 25888 KB Output is correct
51 Correct 207 ms 25964 KB Output is correct
52 Correct 189 ms 25976 KB Output is correct
53 Correct 81 ms 16076 KB Output is correct
54 Correct 63 ms 15996 KB Output is correct
55 Correct 186 ms 25972 KB Output is correct
56 Correct 186 ms 25984 KB Output is correct
57 Correct 65 ms 16048 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 308 KB Output is correct
60 Correct 1 ms 312 KB Output is correct
61 Correct 40 ms 7180 KB Output is correct
62 Correct 217 ms 25948 KB Output is correct
63 Correct 172 ms 25964 KB Output is correct
64 Correct 192 ms 26004 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 49 ms 7208 KB Output is correct
67 Correct 183 ms 25948 KB Output is correct
68 Correct 175 ms 25908 KB Output is correct
69 Correct 182 ms 25988 KB Output is correct
70 Correct 1 ms 212 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 1 ms 264 KB Output is correct
73 Correct 44 ms 7212 KB Output is correct
74 Correct 181 ms 25992 KB Output is correct
75 Correct 196 ms 25944 KB Output is correct
76 Correct 160 ms 25880 KB Output is correct
77 Correct 162 ms 25880 KB Output is correct
78 Correct 1 ms 308 KB Output is correct
79 Correct 1 ms 212 KB Output is correct
80 Correct 3 ms 1236 KB Output is correct
81 Correct 76 ms 16108 KB Output is correct
82 Correct 1 ms 340 KB Output is correct
83 Correct 1 ms 212 KB Output is correct
84 Correct 1 ms 212 KB Output is correct
85 Correct 52 ms 7168 KB Output is correct
86 Correct 68 ms 16000 KB Output is correct
87 Correct 82 ms 16008 KB Output is correct
88 Correct 80 ms 16000 KB Output is correct
89 Correct 67 ms 15996 KB Output is correct
90 Correct 1 ms 320 KB Output is correct
91 Correct 1 ms 212 KB Output is correct
92 Correct 5 ms 1236 KB Output is correct
93 Correct 88 ms 16124 KB Output is correct
94 Incorrect 1 ms 212 KB Answer gives possible 1 while actual possible 0
95 Halted 0 ms 0 KB -