oj.uz

Submission #915586

# Submission time Handle Problem Language Result Execution time Memory
915586 2024-01-24T08:19:38 Z chirathnirodha Connecting Supertrees (IOI20_supertrees) C++17
100 / 100
 164 ms 24248 KB 
#include "supertrees.h"
#include <vector>
using namespace std;
#define F first
#define S sedond
#define PB push_back
#define MP make_pair
#define	P push
#define I insert
typedef long long ll;
typedef long l;
typedef unsigned long long ull;
 
int uni[1000];
int fin(int x){
	if(uni[x]==x)return x;
	else return fin(uni[x]);
}
void merg(int x,int y){
	x=fin(x);
	y=fin(y);
	if(x<y)uni[y]=x;
	else uni[x]=y;
}
int construct(vector<vector<int>> p) {
	int n = p.size();
	vector<vector<int>>answer(n,vector<int>(n,0));
	for(int i=0;i<n;i++)uni[i]=i;
	for(int i=0;i<n;i++)for(int j=0;j<n;j++)if(p[i][j]==3)return 0;
	for(int i=0;i<n;i++){
		for(int j=i+1;j<n;j++){
			if(p[i][j]==1 && fin(i)!=fin(j)){
				answer[i][j]=answer[j][i]=1;
				merg(i,j);
			}
		}
	}
	for(int i=0;i<n;i++){
		vector<int> v;v.PB(fin(i));
		for(int j=i+1;j<n;j++){
			if(p[i][j]==2 && fin(i)!=fin(j)){
				v.PB(fin(j));
				merg(i,j);
			}
		}
		if(v.size()==2)return 0;
		if(v.size()>2){
			for(int j=0;j<v.size();j++){
				answer[v[j]][v[(j+1)%v.size()]]=answer[v[(j+1)%v.size()]][v[j]]=1;
			}
		}
	}
	for(int i=0;i<n;i++)for(int j=i+1;j<n;j++)if(p[i][j]==0 && fin(i)==fin(j))return 0;
	build(answer);
	return 1;
}

Compilation message

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:48:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |    for(int j=0;j<v.size();j++){
      |                ~^~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 6 ms 1180 KB Output is correct
7 Correct 144 ms 23892 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 6 ms 1180 KB Output is correct
7 Correct 144 ms 23892 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 6 ms 1180 KB Output is correct
13 Correct 156 ms 23892 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 4 ms 860 KB Output is correct
17 Correct 74 ms 14208 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 600 KB Output is correct
20 Correct 39 ms 6132 KB Output is correct
21 Correct 153 ms 24228 KB Output is correct
22 Correct 145 ms 23892 KB Output is correct
23 Correct 149 ms 23920 KB Output is correct
24 Correct 144 ms 23888 KB Output is correct
25 Correct 64 ms 14164 KB Output is correct
26 Correct 69 ms 14164 KB Output is correct
27 Correct 149 ms 23892 KB Output is correct
28 Correct 147 ms 23892 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 432 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 7 ms 1372 KB Output is correct
9 Correct 145 ms 24100 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 6 ms 1152 KB Output is correct
13 Correct 164 ms 23888 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 4 ms 860 KB Output is correct
17 Correct 67 ms 14076 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 41 ms 6224 KB Output is correct
22 Correct 147 ms 24124 KB Output is correct
23 Correct 146 ms 23888 KB Output is correct
24 Correct 149 ms 23888 KB Output is correct
25 Correct 62 ms 14212 KB Output is correct
26 Correct 66 ms 14192 KB Output is correct
27 Correct 150 ms 24140 KB Output is correct
28 Correct 155 ms 24008 KB Output is correct
29 Correct 66 ms 14164 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 37 ms 6228 KB Output is correct
5 Correct 145 ms 23936 KB Output is correct
6 Correct 147 ms 24008 KB Output is correct
7 Correct 155 ms 24248 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 36 ms 6300 KB Output is correct
10 Correct 152 ms 24176 KB Output is correct
11 Correct 148 ms 23888 KB Output is correct
12 Correct 148 ms 23888 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 37 ms 6228 KB Output is correct
17 Correct 148 ms 23928 KB Output is correct
18 Correct 146 ms 23912 KB Output is correct
19 Correct 147 ms 23892 KB Output is correct
20 Correct 147 ms 23964 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 6 ms 1180 KB Output is correct
7 Correct 144 ms 23892 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 6 ms 1180 KB Output is correct
13 Correct 156 ms 23892 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 4 ms 860 KB Output is correct
17 Correct 74 ms 14208 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 600 KB Output is correct
20 Correct 39 ms 6132 KB Output is correct
21 Correct 153 ms 24228 KB Output is correct
22 Correct 145 ms 23892 KB Output is correct
23 Correct 149 ms 23920 KB Output is correct
24 Correct 144 ms 23888 KB Output is correct
25 Correct 64 ms 14164 KB Output is correct
26 Correct 69 ms 14164 KB Output is correct
27 Correct 149 ms 23892 KB Output is correct
28 Correct 147 ms 23892 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 432 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 7 ms 1372 KB Output is correct
37 Correct 145 ms 24100 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 6 ms 1152 KB Output is correct
41 Correct 164 ms 23888 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 4 ms 860 KB Output is correct
45 Correct 67 ms 14076 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 41 ms 6224 KB Output is correct
50 Correct 147 ms 24124 KB Output is correct
51 Correct 146 ms 23888 KB Output is correct
52 Correct 149 ms 23888 KB Output is correct
53 Correct 62 ms 14212 KB Output is correct
54 Correct 66 ms 14192 KB Output is correct
55 Correct 150 ms 24140 KB Output is correct
56 Correct 155 ms 24008 KB Output is correct
57 Correct 66 ms 14164 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 3 ms 856 KB Output is correct
61 Correct 68 ms 14076 KB Output is correct
62 Correct 0 ms 600 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 42 ms 6300 KB Output is correct
66 Correct 64 ms 14160 KB Output is correct
67 Correct 63 ms 13988 KB Output is correct
68 Correct 63 ms 14164 KB Output is correct
69 Correct 62 ms 14164 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 6 ms 1180 KB Output is correct
7 Correct 144 ms 23892 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 6 ms 1180 KB Output is correct
13 Correct 156 ms 23892 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 4 ms 860 KB Output is correct
17 Correct 74 ms 14208 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 600 KB Output is correct
20 Correct 39 ms 6132 KB Output is correct
21 Correct 153 ms 24228 KB Output is correct
22 Correct 145 ms 23892 KB Output is correct
23 Correct 149 ms 23920 KB Output is correct
24 Correct 144 ms 23888 KB Output is correct
25 Correct 64 ms 14164 KB Output is correct
26 Correct 69 ms 14164 KB Output is correct
27 Correct 149 ms 23892 KB Output is correct
28 Correct 147 ms 23892 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 432 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 7 ms 1372 KB Output is correct
37 Correct 145 ms 24100 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 6 ms 1152 KB Output is correct
41 Correct 164 ms 23888 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 4 ms 860 KB Output is correct
45 Correct 67 ms 14076 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 41 ms 6224 KB Output is correct
50 Correct 147 ms 24124 KB Output is correct
51 Correct 146 ms 23888 KB Output is correct
52 Correct 149 ms 23888 KB Output is correct
53 Correct 62 ms 14212 KB Output is correct
54 Correct 66 ms 14192 KB Output is correct
55 Correct 150 ms 24140 KB Output is correct
56 Correct 155 ms 24008 KB Output is correct
57 Correct 66 ms 14164 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 37 ms 6228 KB Output is correct
62 Correct 145 ms 23936 KB Output is correct
63 Correct 147 ms 24008 KB Output is correct
64 Correct 155 ms 24248 KB Output is correct
65 Correct 0 ms 344 KB Output is correct
66 Correct 36 ms 6300 KB Output is correct
67 Correct 152 ms 24176 KB Output is correct
68 Correct 148 ms 23888 KB Output is correct
69 Correct 148 ms 23888 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 1 ms 348 KB Output is correct
72 Correct 0 ms 344 KB Output is correct
73 Correct 37 ms 6228 KB Output is correct
74 Correct 148 ms 23928 KB Output is correct
75 Correct 146 ms 23912 KB Output is correct
76 Correct 147 ms 23892 KB Output is correct
77 Correct 147 ms 23964 KB Output is correct
78 Correct 1 ms 348 KB Output is correct
79 Correct 0 ms 348 KB Output is correct
80 Correct 3 ms 856 KB Output is correct
81 Correct 68 ms 14076 KB Output is correct
82 Correct 0 ms 600 KB Output is correct
83 Correct 0 ms 348 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 42 ms 6300 KB Output is correct
86 Correct 64 ms 14160 KB Output is correct
87 Correct 63 ms 13988 KB Output is correct
88 Correct 63 ms 14164 KB Output is correct
89 Correct 62 ms 14164 KB Output is correct
90 Correct 0 ms 348 KB Output is correct
91 Correct 0 ms 348 KB Output is correct
92 Correct 3 ms 860 KB Output is correct
93 Correct 63 ms 14080 KB Output is correct
94 Correct 0 ms 344 KB Output is correct
95 Correct 1 ms 344 KB Output is correct
96 Correct 1 ms 348 KB Output is correct
97 Correct 16 ms 3676 KB Output is correct
98 Correct 62 ms 14192 KB Output is correct
99 Correct 65 ms 14160 KB Output is correct
100 Correct 60 ms 14164 KB Output is correct
101 Correct 61 ms 14196 KB Output is correct
102 Correct 61 ms 14068 KB Output is correct
103 Correct 59 ms 14072 KB Output is correct
104 Correct 61 ms 14068 KB Output is correct
105 Correct 65 ms 14160 KB Output is correct