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Submission #545476

# Submission time Handle Problem Language Result Execution time Memory
545476 2022-04-04T14:58:59 Z DJ035 Connecting Supertrees (IOI20_supertrees) C++17
100 / 100
 182 ms 22432 KB 
#include "supertrees.h"
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,avx,avx2")
#include <bits/stdc++.h>
#define MEM 222222
#define sanic ios_base::sync_with_stdio(0)
#define x first
#define y second
#define pf push_front
#define pb push_back
#define all(v) v.begin(), v.end()
#define sz size()
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pi;
const ll INF = 2e18;
const ll MOD = 998244353;
ll r[MEM];
int construct(vector<vector<int>> p) {
	int n = p.size();
	vector<vector<int>> ans(n, vector<int>(n, 0));
	for(int i=0; i<n; i++)
        for(int j=0; j<n; j++)
            if(p[i][j]>2) return 0;
    for(int i=0; i<n; i++){
        ll pp=0;
        while(p[i][pp]!=1) pp++;
        if(i==pp){
            r[i] = 1;
            continue;
        }
        if(p[i]!=p[pp]) return 0;
        ans[i][pp] = ans[pp][i] = 1;
    }
    for(int i=0; i<n; i++){
        if(!r[i]) continue;
        ll pp=0;
        while(p[i][pp]==0) pp++;
        for(int j=0; j<n; j++)
            if((!p[pp][j] && p[i][j])||(p[pp][j] && !p[i][j])) return 0;
        if(pp!=i) continue;
        ll pos=i;
        for(int j=i+1; j<n; j++)
            if(r[j] && p[i][j]) {
                ans[j][pos] = ans[pos][j] = 1;
                pos = j;
            }
        if(ans[pos][i]) return 0;
        else{
            if(pos==i) continue;
            ans[i][pos] = ans[pos][i] = 1;
        }
    }
	build(ans);
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 8 ms 1236 KB Output is correct
7 Correct 175 ms 22204 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 8 ms 1236 KB Output is correct
7 Correct 175 ms 22204 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 173 ms 22308 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 4 ms 852 KB Output is correct
17 Correct 85 ms 12320 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 45 ms 5836 KB Output is correct
21 Correct 172 ms 22264 KB Output is correct
22 Correct 173 ms 22216 KB Output is correct
23 Correct 176 ms 22308 KB Output is correct
24 Correct 173 ms 22256 KB Output is correct
25 Correct 73 ms 12324 KB Output is correct
26 Correct 73 ms 12340 KB Output is correct
27 Correct 177 ms 22308 KB Output is correct
28 Correct 174 ms 22200 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 8 ms 1220 KB Output is correct
9 Correct 175 ms 22224 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 8 ms 1216 KB Output is correct
13 Correct 175 ms 22432 KB Output is correct
14 Correct 1 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 81 ms 12296 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 42 ms 5844 KB Output is correct
22 Correct 173 ms 22224 KB Output is correct
23 Correct 173 ms 22412 KB Output is correct
24 Correct 177 ms 22312 KB Output is correct
25 Correct 74 ms 12284 KB Output is correct
26 Correct 79 ms 12352 KB Output is correct
27 Correct 171 ms 22220 KB Output is correct
28 Correct 182 ms 22236 KB Output is correct
29 Correct 77 ms 12364 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 46 ms 5932 KB Output is correct
5 Correct 169 ms 22204 KB Output is correct
6 Correct 171 ms 22312 KB Output is correct
7 Correct 179 ms 22244 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 50 ms 5848 KB Output is correct
10 Correct 178 ms 22304 KB Output is correct
11 Correct 172 ms 22244 KB Output is correct
12 Correct 180 ms 22320 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 44 ms 5836 KB Output is correct
17 Correct 180 ms 22316 KB Output is correct
18 Correct 176 ms 22212 KB Output is correct
19 Correct 180 ms 22208 KB Output is correct
20 Correct 174 ms 22236 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 8 ms 1236 KB Output is correct
7 Correct 175 ms 22204 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 173 ms 22308 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 4 ms 852 KB Output is correct
17 Correct 85 ms 12320 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 45 ms 5836 KB Output is correct
21 Correct 172 ms 22264 KB Output is correct
22 Correct 173 ms 22216 KB Output is correct
23 Correct 176 ms 22308 KB Output is correct
24 Correct 173 ms 22256 KB Output is correct
25 Correct 73 ms 12324 KB Output is correct
26 Correct 73 ms 12340 KB Output is correct
27 Correct 177 ms 22308 KB Output is correct
28 Correct 174 ms 22200 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 304 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 304 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 8 ms 1220 KB Output is correct
37 Correct 175 ms 22224 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 8 ms 1216 KB Output is correct
41 Correct 175 ms 22432 KB Output is correct
42 Correct 1 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 81 ms 12296 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 42 ms 5844 KB Output is correct
50 Correct 173 ms 22224 KB Output is correct
51 Correct 173 ms 22412 KB Output is correct
52 Correct 177 ms 22312 KB Output is correct
53 Correct 74 ms 12284 KB Output is correct
54 Correct 79 ms 12352 KB Output is correct
55 Correct 171 ms 22220 KB Output is correct
56 Correct 182 ms 22236 KB Output is correct
57 Correct 77 ms 12364 KB Output is correct
58 Correct 1 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 81 ms 12364 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 44 ms 5888 KB Output is correct
66 Correct 74 ms 12308 KB Output is correct
67 Correct 76 ms 12300 KB Output is correct
68 Correct 73 ms 12364 KB Output is correct
69 Correct 72 ms 12348 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 8 ms 1236 KB Output is correct
7 Correct 175 ms 22204 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 173 ms 22308 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 4 ms 852 KB Output is correct
17 Correct 85 ms 12320 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 45 ms 5836 KB Output is correct
21 Correct 172 ms 22264 KB Output is correct
22 Correct 173 ms 22216 KB Output is correct
23 Correct 176 ms 22308 KB Output is correct
24 Correct 173 ms 22256 KB Output is correct
25 Correct 73 ms 12324 KB Output is correct
26 Correct 73 ms 12340 KB Output is correct
27 Correct 177 ms 22308 KB Output is correct
28 Correct 174 ms 22200 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 304 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 304 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 8 ms 1220 KB Output is correct
37 Correct 175 ms 22224 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 8 ms 1216 KB Output is correct
41 Correct 175 ms 22432 KB Output is correct
42 Correct 1 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 81 ms 12296 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 42 ms 5844 KB Output is correct
50 Correct 173 ms 22224 KB Output is correct
51 Correct 173 ms 22412 KB Output is correct
52 Correct 177 ms 22312 KB Output is correct
53 Correct 74 ms 12284 KB Output is correct
54 Correct 79 ms 12352 KB Output is correct
55 Correct 171 ms 22220 KB Output is correct
56 Correct 182 ms 22236 KB Output is correct
57 Correct 77 ms 12364 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 1 ms 304 KB Output is correct
60 Correct 1 ms 312 KB Output is correct
61 Correct 46 ms 5932 KB Output is correct
62 Correct 169 ms 22204 KB Output is correct
63 Correct 171 ms 22312 KB Output is correct
64 Correct 179 ms 22244 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 50 ms 5848 KB Output is correct
67 Correct 178 ms 22304 KB Output is correct
68 Correct 172 ms 22244 KB Output is correct
69 Correct 180 ms 22320 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 1 ms 212 KB Output is correct
73 Correct 44 ms 5836 KB Output is correct
74 Correct 180 ms 22316 KB Output is correct
75 Correct 176 ms 22212 KB Output is correct
76 Correct 180 ms 22208 KB Output is correct
77 Correct 174 ms 22236 KB Output is correct
78 Correct 1 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 81 ms 12364 KB Output is correct
82 Correct 1 ms 212 KB Output is correct
83 Correct 1 ms 212 KB Output is correct
84 Correct 1 ms 212 KB Output is correct
85 Correct 44 ms 5888 KB Output is correct
86 Correct 74 ms 12308 KB Output is correct
87 Correct 76 ms 12300 KB Output is correct
88 Correct 73 ms 12364 KB Output is correct
89 Correct 72 ms 12348 KB Output is correct
90 Correct 1 ms 212 KB Output is correct
91 Correct 1 ms 212 KB Output is correct
92 Correct 4 ms 852 KB Output is correct
93 Correct 76 ms 12320 KB Output is correct
94 Correct 1 ms 212 KB Output is correct
95 Correct 1 ms 212 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 19 ms 3372 KB Output is correct
98 Correct 75 ms 12352 KB Output is correct
99 Correct 72 ms 12300 KB Output is correct
100 Correct 78 ms 12296 KB Output is correct
101 Correct 76 ms 12448 KB Output is correct
102 Correct 77 ms 12368 KB Output is correct
103 Correct 79 ms 12364 KB Output is correct
104 Correct 81 ms 12324 KB Output is correct
105 Correct 81 ms 12312 KB Output is correct