oj.uz

답안 #798153

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
798153 2023-07-30T12:08:07 Z nnin 슈퍼트리 잇기 (IOI20_supertrees) C++14
96 / 100
 162 ms 24184 KB 
#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;

int dsu[1001];
int par(int x) {
    if(dsu[x]==x) return x;
    return dsu[x] = par(dsu[x]);
}

int dsu2[1001];
int par2(int x) {
    if(dsu2[x]==x) return x;
    return dsu2[x] = par2(dsu2[x]);
}

vector<int> cyc[1001];

int construct(std::vector<std::vector<int>> p) {
	int n = p.size();
	vector<vector<int>> answer(n, vector<int>(n, 0));

	for(int i=0;i<n;i++) dsu[i] = dsu2[i] = i;

	for(int i=0;i<n;i++) for(int j=i+1;j<n;j++) {
        if(p[i][j]==1) {
            int pari = par(i);
            int parj = par(j);
            if(pari!=parj) {
                dsu[pari] = parj;
                answer[pari][parj] = answer[parj][pari] = 1;
            }
        }
	}

	for(int i=0;i<n;i++) for(int j=i+1;j<n;j++) {
        if(p[i][j]==2) {
            int pari = par2(par(i));
            int parj = par2(par(j));
            if(pari!=parj) {
                dsu2[pari] = parj;
            }
        }
	}
	for(int i=0;i<n;i++) {
        if(par(i)==i) cyc[par2(i)].push_back(i);
	}
	for(int i=0;i<n;i++) {
        if(cyc[i].size()<=1) continue;
        if(cyc[i].size()==2) return 0;
        int last = cyc[i][cyc[i].size()-1];
        for(int cur:cyc[i]) {
            answer[last][cur] = answer[cur][last] = 1;
            last = cur;
        }
	}

	for(int i=0;i<n;i++) for(int j=0;j<n;j++) {
        if(!p[i][j]) {
            int pari = par(i);
            int parj = par(j);
            if(pari==parj || par2(pari)==par2(parj)) {
                return 0;
            }
        }
	}

	build(answer);
	return 1;
}
/*
4
1 1 2 2
1 1 2 2
2 2 1 2
2 2 2 1
*/

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 1108 KB Output is correct
7 Correct 150 ms 22036 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 1108 KB Output is correct
7 Correct 150 ms 22036 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 6 ms 1124 KB Output is correct
13 Correct 151 ms 22060 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 724 KB Output is correct
17 Correct 70 ms 12076 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 42 ms 5724 KB Output is correct
21 Correct 153 ms 22044 KB Output is correct
22 Correct 153 ms 22044 KB Output is correct
23 Correct 161 ms 22052 KB Output is correct
24 Correct 154 ms 22108 KB Output is correct
25 Correct 65 ms 12124 KB Output is correct
26 Correct 64 ms 12084 KB Output is correct
27 Correct 154 ms 22048 KB Output is correct
28 Correct 160 ms 22064 KB Output is correct

Subtask #3
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 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 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 7 ms 1220 KB Output is correct
9 Correct 162 ms 24008 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 153 ms 24012 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 852 KB Output is correct
17 Correct 75 ms 14112 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 328 KB Output is correct
21 Correct 39 ms 6200 KB Output is correct
22 Correct 153 ms 24012 KB Output is correct
23 Correct 155 ms 23960 KB Output is correct
24 Correct 161 ms 24184 KB Output is correct
25 Correct 63 ms 14028 KB Output is correct
26 Correct 65 ms 14096 KB Output is correct
27 Correct 155 ms 23952 KB Output is correct
28 Correct 157 ms 24032 KB Output is correct
29 Correct 65 ms 14096 KB Output is correct

Subtask #4
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 38 ms 6292 KB Output is correct
5 Correct 160 ms 23976 KB Output is correct
6 Correct 158 ms 23964 KB Output is correct
7 Correct 158 ms 23956 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 42 ms 6220 KB Output is correct
10 Correct 154 ms 23956 KB Output is correct
11 Correct 157 ms 24080 KB Output is correct
12 Correct 157 ms 24080 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 40 ms 6292 KB Output is correct
17 Correct 160 ms 24004 KB Output is correct
18 Correct 157 ms 23976 KB Output is correct
19 Correct 158 ms 23996 KB Output is correct
20 Correct 153 ms 23952 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 1108 KB Output is correct
7 Correct 150 ms 22036 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 6 ms 1124 KB Output is correct
13 Correct 151 ms 22060 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 724 KB Output is correct
17 Correct 70 ms 12076 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 42 ms 5724 KB Output is correct
21 Correct 153 ms 22044 KB Output is correct
22 Correct 153 ms 22044 KB Output is correct
23 Correct 161 ms 22052 KB Output is correct
24 Correct 154 ms 22108 KB Output is correct
25 Correct 65 ms 12124 KB Output is correct
26 Correct 64 ms 12084 KB Output is correct
27 Correct 154 ms 22048 KB Output is correct
28 Correct 160 ms 22064 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 7 ms 1220 KB Output is correct
37 Correct 162 ms 24008 KB Output is correct
38 Correct 1 ms 328 KB Output is correct
39 Correct 0 ms 332 KB Output is correct
40 Correct 7 ms 1236 KB Output is correct
41 Correct 153 ms 24012 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 4 ms 852 KB Output is correct
45 Correct 75 ms 14112 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 328 KB Output is correct
49 Correct 39 ms 6200 KB Output is correct
50 Correct 153 ms 24012 KB Output is correct
51 Correct 155 ms 23960 KB Output is correct
52 Correct 161 ms 24184 KB Output is correct
53 Correct 63 ms 14028 KB Output is correct
54 Correct 65 ms 14096 KB Output is correct
55 Correct 155 ms 23952 KB Output is correct
56 Correct 157 ms 24032 KB Output is correct
57 Correct 65 ms 14096 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 852 KB Output is correct
61 Correct 70 ms 14092 KB Output is correct
62 Correct 0 ms 212 KB Output is correct
63 Correct 1 ms 328 KB Output is correct
64 Correct 0 ms 340 KB Output is correct
65 Correct 38 ms 6252 KB Output is correct
66 Correct 67 ms 14096 KB Output is correct
67 Correct 65 ms 14092 KB Output is correct
68 Correct 64 ms 14104 KB Output is correct
69 Correct 64 ms 14124 KB Output is correct

Subtask #6
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 1108 KB Output is correct
7 Correct 150 ms 22036 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 6 ms 1124 KB Output is correct
13 Correct 151 ms 22060 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 724 KB Output is correct
17 Correct 70 ms 12076 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 42 ms 5724 KB Output is correct
21 Correct 153 ms 22044 KB Output is correct
22 Correct 153 ms 22044 KB Output is correct
23 Correct 161 ms 22052 KB Output is correct
24 Correct 154 ms 22108 KB Output is correct
25 Correct 65 ms 12124 KB Output is correct
26 Correct 64 ms 12084 KB Output is correct
27 Correct 154 ms 22048 KB Output is correct
28 Correct 160 ms 22064 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 7 ms 1220 KB Output is correct
37 Correct 162 ms 24008 KB Output is correct
38 Correct 1 ms 328 KB Output is correct
39 Correct 0 ms 332 KB Output is correct
40 Correct 7 ms 1236 KB Output is correct
41 Correct 153 ms 24012 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 4 ms 852 KB Output is correct
45 Correct 75 ms 14112 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 328 KB Output is correct
49 Correct 39 ms 6200 KB Output is correct
50 Correct 153 ms 24012 KB Output is correct
51 Correct 155 ms 23960 KB Output is correct
52 Correct 161 ms 24184 KB Output is correct
53 Correct 63 ms 14028 KB Output is correct
54 Correct 65 ms 14096 KB Output is correct
55 Correct 155 ms 23952 KB Output is correct
56 Correct 157 ms 24032 KB Output is correct
57 Correct 65 ms 14096 KB Output is correct
58 Correct 0 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 1 ms 324 KB Output is correct
61 Correct 38 ms 6292 KB Output is correct
62 Correct 160 ms 23976 KB Output is correct
63 Correct 158 ms 23964 KB Output is correct
64 Correct 158 ms 23956 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 42 ms 6220 KB Output is correct
67 Correct 154 ms 23956 KB Output is correct
68 Correct 157 ms 24080 KB Output is correct
69 Correct 157 ms 24080 KB Output is correct
70 Correct 1 ms 212 KB Output is correct
71 Correct 0 ms 340 KB Output is correct
72 Correct 1 ms 340 KB Output is correct
73 Correct 40 ms 6292 KB Output is correct
74 Correct 160 ms 24004 KB Output is correct
75 Correct 157 ms 23976 KB Output is correct
76 Correct 158 ms 23996 KB Output is correct
77 Correct 153 ms 23952 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 852 KB Output is correct
81 Correct 70 ms 14092 KB Output is correct
82 Correct 0 ms 212 KB Output is correct
83 Correct 1 ms 328 KB Output is correct
84 Correct 0 ms 340 KB Output is correct
85 Correct 38 ms 6252 KB Output is correct
86 Correct 67 ms 14096 KB Output is correct
87 Correct 65 ms 14092 KB Output is correct
88 Correct 64 ms 14104 KB Output is correct
89 Correct 64 ms 14124 KB Output is correct
90 Correct 1 ms 212 KB Output is correct
91 Correct 1 ms 212 KB Output is correct
92 Correct 3 ms 852 KB Output is correct
93 Correct 68 ms 14104 KB Output is correct
94 Incorrect 0 ms 212 KB Answer gives possible 1 while actual possible 0
95 Halted 0 ms 0 KB -