답안 #384740

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
384740	2021-04-02T06:50:35 Z	nicholask	슈퍼트리 잇기 (IOI20_supertrees)	C++14	100 / 100	264 ms	22380 KB

supertrees

#include "supertrees.h"
#include <bits/stdc++.h>
#define x first
#define y second
using namespace std;
int construct(vector <vector <int> > p){
	int n=p.size();
	vector <vector <int> > ans(n,vector<int>(n,0));
	vector <pair <int,vector <int> > > ones;
	for (int i=0; i<n; i++){
		for (int j=0; j<n; j++){
			if (p[i][j]==3) return 0;
		}
	}
	bool d[n];
	int cnt=0;
	int belong[n];
	for (int i=0; i<n; i++) d[i]=0;
	for (int i=0; i<n; i++){
		if (d[i]) continue;
		vector <int> v;
		for (int j=i; j<n; j++){
			if (p[i][j]==1){
				if (d[j]) return 0;
				d[j]=1;
				v.push_back(j);
			}
		}
		for (int j=0; j<v.size()-1; j++) ans[v[j]][v[j+1]]=1;
		ones.push_back({cnt,v});
		for (auto&j:v) belong[j]=cnt;
		cnt++;
	}
	cnt=0;
	int bigbelong[n];
	for (int i=0; i<n; i++) bigbelong[i]=0;
	int nway[n];
	for (int i=0; i<n; i++) nway[i]=0;
	bool e[ones.size()];
	for (int i=0; i<ones.size(); i++) e[i]=0;
	for (int i=0; i<ones.size(); i++){
		if (e[i]) continue;
		vector <int> temp;
		temp.push_back(ones[i].y.front());
		for (auto&j:ones[i].y) bigbelong[j]=cnt;
		for (int j=i+1; j<ones.size(); j++){
			if (!e[j]&&p[ones[i].y.front()][ones[j].y.front()]==2){
				temp.push_back(ones[j].y.front());
				for (auto&k:ones[j].y) bigbelong[k]=cnt;
				e[j]=1;
			}
		}
		int ss=temp.size();
		if (ss<3){
			nway[cnt]=1;
			cnt++;
			continue;
		}
		for (int j=0; j<temp.size(); j++) ans[temp[j]][temp[(j+1)%ss]]=1;
		nway[cnt]=2;
		cnt++;
	}
	for (int i=0; i<n; i++){
		for (int j=i+1; j<n; j++){
			if (p[i][j]==0){
				if (bigbelong[i]==bigbelong[j]) return 0;
			} else if (p[i][j]==1){
				if (belong[i]!=belong[j]&&(bigbelong[i]!=bigbelong[j]||nway[bigbelong[i]]!=1)) return 0;
			} else if (p[i][j]==2){
				if (belong[i]==belong[j]||bigbelong[i]!=bigbelong[j]||nway[bigbelong[i]]!=2) return 0;
			}
		}
	}
	for (int i=0; i<n; i++){
		for (int j=0; j<n; j++){
			if (ans[j][i]) ans[i][j]=1; 
		}
	}
	build(ans);
	return 1;
}

Compilation message

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:29:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |   for (int j=0; j<v.size()-1; j++) ans[v[j]][v[j+1]]=1;
      |                 ~^~~~~~~~~~~
supertrees.cpp:40:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::vector<int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |  for (int i=0; i<ones.size(); i++) e[i]=0;
      |                ~^~~~~~~~~~~~
supertrees.cpp:41:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::vector<int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |  for (int i=0; i<ones.size(); i++){
      |                ~^~~~~~~~~~~~
supertrees.cpp:46:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::vector<int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |   for (int j=i+1; j<ones.size(); j++){
      |                   ~^~~~~~~~~~~~
supertrees.cpp:59:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |   for (int j=0; j<temp.size(); j++) ans[temp[j]][temp[(j+1)%ss]]=1;
      |                 ~^~~~~~~~~~~~

Subtask #1
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	10 ms	1260 KB	Output is correct
7	Correct	239 ms	22124 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	10 ms	1260 KB	Output is correct
7	Correct	239 ms	22124 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	11 ms	1260 KB	Output is correct
13	Correct	247 ms	22124 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	5 ms	748 KB	Output is correct
17	Correct	107 ms	12128 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	62 ms	5884 KB	Output is correct
21	Correct	250 ms	22252 KB	Output is correct
22	Correct	247 ms	22252 KB	Output is correct
23	Correct	250 ms	22124 KB	Output is correct
24	Correct	247 ms	22124 KB	Output is correct
25	Correct	99 ms	12140 KB	Output is correct
26	Correct	101 ms	12140 KB	Output is correct
27	Correct	249 ms	22252 KB	Output is correct
28	Correct	250 ms	22124 KB	Output is correct

Subtask #3
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	11 ms	1260 KB	Output is correct
9	Correct	253 ms	22124 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	11 ms	1260 KB	Output is correct
13	Correct	239 ms	22380 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	106 ms	12268 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	71 ms	5816 KB	Output is correct
22	Correct	264 ms	22124 KB	Output is correct
23	Correct	260 ms	22124 KB	Output is correct
24	Correct	250 ms	22172 KB	Output is correct
25	Correct	103 ms	12268 KB	Output is correct
26	Correct	101 ms	12268 KB	Output is correct
27	Correct	250 ms	22252 KB	Output is correct
28	Correct	252 ms	22152 KB	Output is correct
29	Correct	102 ms	12268 KB	Output is correct

Subtask #4
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	63 ms	5868 KB	Output is correct
5	Correct	247 ms	22124 KB	Output is correct
6	Correct	254 ms	22124 KB	Output is correct
7	Correct	250 ms	22124 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	63 ms	5996 KB	Output is correct
10	Correct	249 ms	22252 KB	Output is correct
11	Correct	246 ms	22124 KB	Output is correct
12	Correct	250 ms	22184 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	63 ms	5868 KB	Output is correct
17	Correct	248 ms	22252 KB	Output is correct
18	Correct	247 ms	22272 KB	Output is correct
19	Correct	244 ms	22124 KB	Output is correct
20	Correct	247 ms	22124 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	10 ms	1260 KB	Output is correct
7	Correct	239 ms	22124 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	11 ms	1260 KB	Output is correct
13	Correct	247 ms	22124 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	5 ms	748 KB	Output is correct
17	Correct	107 ms	12128 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	62 ms	5884 KB	Output is correct
21	Correct	250 ms	22252 KB	Output is correct
22	Correct	247 ms	22252 KB	Output is correct
23	Correct	250 ms	22124 KB	Output is correct
24	Correct	247 ms	22124 KB	Output is correct
25	Correct	99 ms	12140 KB	Output is correct
26	Correct	101 ms	12140 KB	Output is correct
27	Correct	249 ms	22252 KB	Output is correct
28	Correct	250 ms	22124 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	364 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	11 ms	1260 KB	Output is correct
37	Correct	253 ms	22124 KB	Output is correct
38	Correct	1 ms	364 KB	Output is correct
39	Correct	1 ms	364 KB	Output is correct
40	Correct	11 ms	1260 KB	Output is correct
41	Correct	239 ms	22380 KB	Output is correct
42	Correct	1 ms	364 KB	Output is correct
43	Correct	1 ms	364 KB	Output is correct
44	Correct	6 ms	876 KB	Output is correct
45	Correct	106 ms	12268 KB	Output is correct
46	Correct	1 ms	364 KB	Output is correct
47	Correct	1 ms	364 KB	Output is correct
48	Correct	1 ms	364 KB	Output is correct
49	Correct	71 ms	5816 KB	Output is correct
50	Correct	264 ms	22124 KB	Output is correct
51	Correct	260 ms	22124 KB	Output is correct
52	Correct	250 ms	22172 KB	Output is correct
53	Correct	103 ms	12268 KB	Output is correct
54	Correct	101 ms	12268 KB	Output is correct
55	Correct	250 ms	22252 KB	Output is correct
56	Correct	252 ms	22152 KB	Output is correct
57	Correct	102 ms	12268 KB	Output is correct
58	Correct	1 ms	364 KB	Output is correct
59	Correct	1 ms	364 KB	Output is correct
60	Correct	5 ms	892 KB	Output is correct
61	Correct	103 ms	12140 KB	Output is correct
62	Correct	1 ms	364 KB	Output is correct
63	Correct	1 ms	364 KB	Output is correct
64	Correct	2 ms	364 KB	Output is correct
65	Correct	63 ms	5868 KB	Output is correct
66	Correct	100 ms	12268 KB	Output is correct
67	Correct	101 ms	12268 KB	Output is correct
68	Correct	100 ms	12268 KB	Output is correct
69	Correct	100 ms	12268 KB	Output is correct

Subtask #6
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	10 ms	1260 KB	Output is correct
7	Correct	239 ms	22124 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	11 ms	1260 KB	Output is correct
13	Correct	247 ms	22124 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	5 ms	748 KB	Output is correct
17	Correct	107 ms	12128 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	62 ms	5884 KB	Output is correct
21	Correct	250 ms	22252 KB	Output is correct
22	Correct	247 ms	22252 KB	Output is correct
23	Correct	250 ms	22124 KB	Output is correct
24	Correct	247 ms	22124 KB	Output is correct
25	Correct	99 ms	12140 KB	Output is correct
26	Correct	101 ms	12140 KB	Output is correct
27	Correct	249 ms	22252 KB	Output is correct
28	Correct	250 ms	22124 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	364 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	11 ms	1260 KB	Output is correct
37	Correct	253 ms	22124 KB	Output is correct
38	Correct	1 ms	364 KB	Output is correct
39	Correct	1 ms	364 KB	Output is correct
40	Correct	11 ms	1260 KB	Output is correct
41	Correct	239 ms	22380 KB	Output is correct
42	Correct	1 ms	364 KB	Output is correct
43	Correct	1 ms	364 KB	Output is correct
44	Correct	6 ms	876 KB	Output is correct
45	Correct	106 ms	12268 KB	Output is correct
46	Correct	1 ms	364 KB	Output is correct
47	Correct	1 ms	364 KB	Output is correct
48	Correct	1 ms	364 KB	Output is correct
49	Correct	71 ms	5816 KB	Output is correct
50	Correct	264 ms	22124 KB	Output is correct
51	Correct	260 ms	22124 KB	Output is correct
52	Correct	250 ms	22172 KB	Output is correct
53	Correct	103 ms	12268 KB	Output is correct
54	Correct	101 ms	12268 KB	Output is correct
55	Correct	250 ms	22252 KB	Output is correct
56	Correct	252 ms	22152 KB	Output is correct
57	Correct	102 ms	12268 KB	Output is correct
58	Correct	1 ms	364 KB	Output is correct
59	Correct	1 ms	364 KB	Output is correct
60	Correct	1 ms	364 KB	Output is correct
61	Correct	63 ms	5868 KB	Output is correct
62	Correct	247 ms	22124 KB	Output is correct
63	Correct	254 ms	22124 KB	Output is correct
64	Correct	250 ms	22124 KB	Output is correct
65	Correct	1 ms	364 KB	Output is correct
66	Correct	63 ms	5996 KB	Output is correct
67	Correct	249 ms	22252 KB	Output is correct
68	Correct	246 ms	22124 KB	Output is correct
69	Correct	250 ms	22184 KB	Output is correct
70	Correct	1 ms	364 KB	Output is correct
71	Correct	1 ms	364 KB	Output is correct
72	Correct	1 ms	364 KB	Output is correct
73	Correct	63 ms	5868 KB	Output is correct
74	Correct	248 ms	22252 KB	Output is correct
75	Correct	247 ms	22272 KB	Output is correct
76	Correct	244 ms	22124 KB	Output is correct
77	Correct	247 ms	22124 KB	Output is correct
78	Correct	1 ms	364 KB	Output is correct
79	Correct	1 ms	364 KB	Output is correct
80	Correct	5 ms	892 KB	Output is correct
81	Correct	103 ms	12140 KB	Output is correct
82	Correct	1 ms	364 KB	Output is correct
83	Correct	1 ms	364 KB	Output is correct
84	Correct	2 ms	364 KB	Output is correct
85	Correct	63 ms	5868 KB	Output is correct
86	Correct	100 ms	12268 KB	Output is correct
87	Correct	101 ms	12268 KB	Output is correct
88	Correct	100 ms	12268 KB	Output is correct
89	Correct	100 ms	12268 KB	Output is correct
90	Correct	1 ms	364 KB	Output is correct
91	Correct	1 ms	364 KB	Output is correct
92	Correct	5 ms	748 KB	Output is correct
93	Correct	99 ms	12140 KB	Output is correct
94	Correct	1 ms	364 KB	Output is correct
95	Correct	1 ms	364 KB	Output is correct
96	Correct	1 ms	364 KB	Output is correct
97	Correct	26 ms	3820 KB	Output is correct
98	Correct	99 ms	14060 KB	Output is correct
99	Correct	100 ms	14060 KB	Output is correct
100	Correct	99 ms	14080 KB	Output is correct
101	Correct	98 ms	14188 KB	Output is correct
102	Correct	91 ms	14060 KB	Output is correct
103	Correct	92 ms	14060 KB	Output is correct
104	Correct	93 ms	14188 KB	Output is correct
105	Correct	102 ms	14060 KB	Output is correct

답안 #384740

Compilation message

Subtask #1 11.0 / 11.0

Subtask #2 10.0 / 10.0

Subtask #3 19.0 / 19.0

Subtask #4 35.0 / 35.0

Subtask #5 21.0 / 21.0

Subtask #6 4.0 / 4.0

Subtask #1
11.0 / 11.0

Subtask #2
10.0 / 10.0

Subtask #3
19.0 / 19.0

Subtask #4
35.0 / 35.0

Subtask #5
21.0 / 21.0

Subtask #6
4.0 / 4.0