oj.uz

Submission #301179

# Submission time Handle Problem Language Result Execution time Memory
301179 2020-09-17T17:24:08 Z amiratou Connecting Supertrees (IOI20_supertrees) C++14
100 / 100
 269 ms 22264 KB 
#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
const int MX = 1005;
#define sz(x) (int)(x.size())

int par_p[MX],par_s[MX];
vector<int> bucket[MX];
bitset<MX> vis;
int find_p(int i){
	if(par_p[i]==i)return i;
	return par_p[i]=find_p(par_p[i]);
}
int find_s(int i){
	if(par_s[i]==i)return i;
	return par_s[i]=find_s(par_s[i]);
}
void Union_s(int i,int j){
	i=find_s(i),j=find_s(j);
	if(i!=j)par_s[i]=j;
}
void Union_p(int i,int j){
	i=find_p(i),j=find_p(j);
	if(i!=j)par_p[i]=j;
}

int construct(vector<vector<int>> p) {
	int n = p.size();
	for (int i = 0; i < n; ++i)
		for (int j = i+1; j < n; ++j)
			if(p[i][j]==3)return 0;
	vector<vector<int> > ans(n);
	for (int i = 0; i < n; ++i){
		par_p[i]=par_s[i]=i;
		ans[i].resize(n);
	}
	for (int i = 0; i < n; ++i)
		for (int j = i+1; j < n; ++j)
		{
			if(p[i][j]==2)
				Union_s(i,j);
			else if(p[i][j]==1)Union_p(i,j);
		}
	for (int i = 0; i < n; ++i)
		if(!vis[find_p(i)]){
			vis[find_p(i)]=1;
			bucket[find_s(i)].push_back(find_p(i));
		}
	for (int i = 0; i < n; ++i)
	{
		//cerr<<sz(bucket[i])<<"-";
		if(sz(bucket[i])==2)return 0;
		if(sz(bucket[i])<=1)continue;
		for (int j = 0; j < sz(bucket[i]); ++j)
			ans[bucket[i][j]][bucket[i][(j+1)%sz(bucket[i])]]=ans[bucket[i][(j+1)%sz(bucket[i])]][bucket[i][j]]=1;
	}
	for (int i = 0; i < n; ++i)
		if(find_p(i)!=i)ans[find_p(i)][i]=ans[i][find_p(i)]=1;
	for (int i = 0; i < n; ++i)
	{
		for (int j = i+1; j < n; ++j)
		{
			//cerr<<p[i][j]<<" ";
			if((p[i][j]==0) && (find_s(find_p(i))==find_s(find_p(j))))return 0;
			if((p[i][j]==2) && ((find_p(i)==find_p(j))|| (find_s(find_p(i))!=find_s(find_p(j)))))return 0;
			if((p[i][j]==1) && (find_p(i)!=find_p(j)))return 0;
		}
	}
	build(ans);
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 10 ms 1280 KB Output is correct
7 Correct 244 ms 22140 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 10 ms 1280 KB Output is correct
7 Correct 244 ms 22140 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 10 ms 1280 KB Output is correct
13 Correct 236 ms 22136 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 5 ms 768 KB Output is correct
17 Correct 115 ms 12144 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 65 ms 5880 KB Output is correct
21 Correct 250 ms 22136 KB Output is correct
22 Correct 234 ms 22136 KB Output is correct
23 Correct 248 ms 22136 KB Output is correct
24 Correct 239 ms 22264 KB Output is correct
25 Correct 98 ms 12152 KB Output is correct
26 Correct 95 ms 12152 KB Output is correct
27 Correct 269 ms 22136 KB Output is correct
28 Correct 234 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 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 10 ms 1264 KB Output is correct
9 Correct 238 ms 22136 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 12 ms 1280 KB Output is correct
13 Correct 249 ms 22140 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 5 ms 768 KB Output is correct
17 Correct 107 ms 12152 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 61 ms 5880 KB Output is correct
22 Correct 245 ms 22136 KB Output is correct
23 Correct 240 ms 22136 KB Output is correct
24 Correct 256 ms 22164 KB Output is correct
25 Correct 112 ms 12280 KB Output is correct
26 Correct 103 ms 12152 KB Output is correct
27 Correct 238 ms 22260 KB Output is correct
28 Correct 255 ms 22136 KB Output is correct
29 Correct 97 ms 12280 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 62 ms 5880 KB Output is correct
5 Correct 247 ms 22104 KB Output is correct
6 Correct 246 ms 22136 KB Output is correct
7 Correct 255 ms 22264 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 62 ms 5880 KB Output is correct
10 Correct 262 ms 22264 KB Output is correct
11 Correct 237 ms 22136 KB Output is correct
12 Correct 253 ms 22136 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 61 ms 5884 KB Output is correct
17 Correct 237 ms 22136 KB Output is correct
18 Correct 242 ms 22104 KB Output is correct
19 Correct 247 ms 22260 KB Output is correct
20 Correct 238 ms 22136 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 10 ms 1280 KB Output is correct
7 Correct 244 ms 22140 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 10 ms 1280 KB Output is correct
13 Correct 236 ms 22136 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 5 ms 768 KB Output is correct
17 Correct 115 ms 12144 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 65 ms 5880 KB Output is correct
21 Correct 250 ms 22136 KB Output is correct
22 Correct 234 ms 22136 KB Output is correct
23 Correct 248 ms 22136 KB Output is correct
24 Correct 239 ms 22264 KB Output is correct
25 Correct 98 ms 12152 KB Output is correct
26 Correct 95 ms 12152 KB Output is correct
27 Correct 269 ms 22136 KB Output is correct
28 Correct 234 ms 22136 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 0 ms 384 KB Output is correct
32 Correct 0 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 10 ms 1264 KB Output is correct
37 Correct 238 ms 22136 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 0 ms 384 KB Output is correct
40 Correct 12 ms 1280 KB Output is correct
41 Correct 249 ms 22140 KB Output is correct
42 Correct 0 ms 384 KB Output is correct
43 Correct 0 ms 384 KB Output is correct
44 Correct 5 ms 768 KB Output is correct
45 Correct 107 ms 12152 KB Output is correct
46 Correct 0 ms 384 KB Output is correct
47 Correct 0 ms 384 KB Output is correct
48 Correct 0 ms 384 KB Output is correct
49 Correct 61 ms 5880 KB Output is correct
50 Correct 245 ms 22136 KB Output is correct
51 Correct 240 ms 22136 KB Output is correct
52 Correct 256 ms 22164 KB Output is correct
53 Correct 112 ms 12280 KB Output is correct
54 Correct 103 ms 12152 KB Output is correct
55 Correct 238 ms 22260 KB Output is correct
56 Correct 255 ms 22136 KB Output is correct
57 Correct 97 ms 12280 KB Output is correct
58 Correct 0 ms 384 KB Output is correct
59 Correct 1 ms 384 KB Output is correct
60 Correct 5 ms 768 KB Output is correct
61 Correct 108 ms 12152 KB Output is correct
62 Correct 1 ms 384 KB Output is correct
63 Correct 0 ms 384 KB Output is correct
64 Correct 1 ms 384 KB Output is correct
65 Correct 61 ms 5868 KB Output is correct
66 Correct 107 ms 12152 KB Output is correct
67 Correct 100 ms 12152 KB Output is correct
68 Correct 97 ms 12152 KB Output is correct
69 Correct 95 ms 12152 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 10 ms 1280 KB Output is correct
7 Correct 244 ms 22140 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 10 ms 1280 KB Output is correct
13 Correct 236 ms 22136 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 5 ms 768 KB Output is correct
17 Correct 115 ms 12144 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 65 ms 5880 KB Output is correct
21 Correct 250 ms 22136 KB Output is correct
22 Correct 234 ms 22136 KB Output is correct
23 Correct 248 ms 22136 KB Output is correct
24 Correct 239 ms 22264 KB Output is correct
25 Correct 98 ms 12152 KB Output is correct
26 Correct 95 ms 12152 KB Output is correct
27 Correct 269 ms 22136 KB Output is correct
28 Correct 234 ms 22136 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 0 ms 384 KB Output is correct
32 Correct 0 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 10 ms 1264 KB Output is correct
37 Correct 238 ms 22136 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 0 ms 384 KB Output is correct
40 Correct 12 ms 1280 KB Output is correct
41 Correct 249 ms 22140 KB Output is correct
42 Correct 0 ms 384 KB Output is correct
43 Correct 0 ms 384 KB Output is correct
44 Correct 5 ms 768 KB Output is correct
45 Correct 107 ms 12152 KB Output is correct
46 Correct 0 ms 384 KB Output is correct
47 Correct 0 ms 384 KB Output is correct
48 Correct 0 ms 384 KB Output is correct
49 Correct 61 ms 5880 KB Output is correct
50 Correct 245 ms 22136 KB Output is correct
51 Correct 240 ms 22136 KB Output is correct
52 Correct 256 ms 22164 KB Output is correct
53 Correct 112 ms 12280 KB Output is correct
54 Correct 103 ms 12152 KB Output is correct
55 Correct 238 ms 22260 KB Output is correct
56 Correct 255 ms 22136 KB Output is correct
57 Correct 97 ms 12280 KB Output is correct
58 Correct 1 ms 384 KB Output is correct
59 Correct 0 ms 384 KB Output is correct
60 Correct 1 ms 384 KB Output is correct
61 Correct 62 ms 5880 KB Output is correct
62 Correct 247 ms 22104 KB Output is correct
63 Correct 246 ms 22136 KB Output is correct
64 Correct 255 ms 22264 KB Output is correct
65 Correct 0 ms 384 KB Output is correct
66 Correct 62 ms 5880 KB Output is correct
67 Correct 262 ms 22264 KB Output is correct
68 Correct 237 ms 22136 KB Output is correct
69 Correct 253 ms 22136 KB Output is correct
70 Correct 0 ms 384 KB Output is correct
71 Correct 0 ms 384 KB Output is correct
72 Correct 1 ms 384 KB Output is correct
73 Correct 61 ms 5884 KB Output is correct
74 Correct 237 ms 22136 KB Output is correct
75 Correct 242 ms 22104 KB Output is correct
76 Correct 247 ms 22260 KB Output is correct
77 Correct 238 ms 22136 KB Output is correct
78 Correct 0 ms 384 KB Output is correct
79 Correct 1 ms 384 KB Output is correct
80 Correct 5 ms 768 KB Output is correct
81 Correct 108 ms 12152 KB Output is correct
82 Correct 1 ms 384 KB Output is correct
83 Correct 0 ms 384 KB Output is correct
84 Correct 1 ms 384 KB Output is correct
85 Correct 61 ms 5868 KB Output is correct
86 Correct 107 ms 12152 KB Output is correct
87 Correct 100 ms 12152 KB Output is correct
88 Correct 97 ms 12152 KB Output is correct
89 Correct 95 ms 12152 KB Output is correct
90 Correct 0 ms 384 KB Output is correct
91 Correct 1 ms 384 KB Output is correct
92 Correct 4 ms 640 KB Output is correct
93 Correct 97 ms 8184 KB Output is correct
94 Correct 1 ms 384 KB Output is correct
95 Correct 0 ms 384 KB Output is correct
96 Correct 0 ms 384 KB Output is correct
97 Correct 26 ms 2300 KB Output is correct
98 Correct 106 ms 8184 KB Output is correct
99 Correct 93 ms 8184 KB Output is correct
100 Correct 93 ms 8184 KB Output is correct
101 Correct 99 ms 8176 KB Output is correct
102 Correct 96 ms 8184 KB Output is correct
103 Correct 97 ms 8176 KB Output is correct
104 Correct 100 ms 8180 KB Output is correct
105 Correct 106 ms 8184 KB Output is correct