# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
657348 | 2022-11-09T16:54:07 Z | ssense | 슈퍼트리 잇기 (IOI20_supertrees) | C++14 | 180 ms | 24060 KB |
#include <bits/stdc++.h> #include "supertrees.h" #define startt ios_base::sync_with_stdio(false);cin.tie(0); typedef long long ll; using namespace std; #define vint vector<int> #define all(v) v.begin(), v.end() #define MOD 1000000007 #define MOD2 998244353 #define MX 1000000000 #define MXL 1000000000000000000 #define PI (ld)2*acos(0.0) #define pb push_back #define sc second #define fr first #define endl '\n' #define ld long double #define NO cout << "NO" << endl #define YES cout << "YES" << endl int ceildiv(int one, int two) {if (one % two == 0) {return one / two;}else {return one / two + 1;}} int power(int n, int pow, int m) {if (pow == 0) return 1;if (pow % 2 == 0) {ll x = power(n, pow / 2, m);return (x * x) % m;}else return (power(n, pow - 1, m) * n) % m;} int gcd(int a, int b) { if (!b)return a; return gcd(b, a % b);} int factorial(int n, int mod) {if (n > 1)return (n * factorial(n - 1, mod)) % mod; else return 1;} int lcm(int a, int b) {return (a * b) / gcd(a, b);} vector<int> read(int n) {vector<int> a; for (int i = 0; i < n; i++) { int x; cin >> x; a.pb(x);} return a;}struct prefix_sum{vint pref;void build(vint a){pref.pb(0);for(int i = 0; i < a.size(); i++){pref.pb(pref.back()+a[i]);}}int get(int l, int r){return pref[r]-pref[l-1];}};//mesanu int par[1005]; int sz[1005]; void init(int n) { for(int i = 0; i < n; i++) { par[i] = i; sz[i] = 1; } } int find(int v) { if (v == par[v]) return v; return par[v] = find(par[v]); } void usets(int a, int b) { a = find(a); b = find(b); if (a != b) { if (sz[a] < sz[b]) swap(a, b); par[b] = a; sz[a] += sz[b]; } } int construct(vector<vector<int>> p) { int n = (int)p.size(); init(1000); for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { if(p[i][j] == 1) { usets(i, j); } if(p[i][j] == 3) { return 0; } } } vector<int> sets(n); for(int i = 0; i < n; i++) { sets[i] = find(i); } for(int i = 0; i < n; i++) { int cnt_2 = 0; for(int j = 0; j < n; j++) { if(p[i][j] == 2) { cnt_2++; } if(p[i][i] != 1) { return 0; } if(p[i][j] == 0 && sets[i] == sets[j]) { return 0; } if(p[i][j] == 2 && sets[i] == sets[j]) { return 0; } } if(cnt_2 == 1) { return 0; } } vector<vector<int>> answer(n, vector<int>(n)); vector<bool> vis(n, false); for(int i = 0; i < n; i++) { int now = i; while(!vis[now]) { vis[now] = true; if(now == par[now]) { break; } answer[now][par[now]] = 1; answer[par[now]][now] = 1; now = par[now]; } } vector<bool> incycle(n, false); for(int i = 0; i < n; i++) { set<int> cycle_now; int now = sets[i]; if(incycle[now]) { continue; } cycle_now.insert(now); incycle[now] = true; for(int j = 0; j < n; j++) { if(p[i][j] == 2) { cycle_now.insert(sets[j]); incycle[sets[j]] = true; } } if(cycle_now.size() > 2) { auto it = cycle_now.end(); it--; int last = *it; for(auto x : cycle_now) { answer[x][last] = 1; answer[last][x] = 1; usets(x, last); last = x; } } } for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { if(p[i][j] == 0 && find(i) == find(j)) { return 0; } if(p[i][j] == 2 && find(i) != find(j)) { return 0; } } } build(answer); return 1; }
Compilation message
# | 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 | 0 ms | 212 KB | Output is correct |
6 | Correct | 7 ms | 1180 KB | Output is correct |
7 | Correct | 160 ms | 22036 KB | Output is correct |
# | 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 | 0 ms | 212 KB | Output is correct |
6 | Correct | 7 ms | 1180 KB | Output is correct |
7 | Correct | 160 ms | 22036 KB | Output is correct |
8 | Correct | 0 ms | 212 KB | Output is correct |
9 | Correct | 0 ms | 212 KB | Output is correct |
10 | Correct | 0 ms | 212 KB | Output is correct |
11 | Correct | 0 ms | 212 KB | Output is correct |
12 | Correct | 7 ms | 1108 KB | Output is correct |
13 | Correct | 166 ms | 22080 KB | Output is correct |
14 | Correct | 0 ms | 212 KB | Output is correct |
15 | Correct | 0 ms | 212 KB | Output is correct |
16 | Correct | 4 ms | 596 KB | Output is correct |
17 | Correct | 76 ms | 8080 KB | Output is correct |
18 | Correct | 0 ms | 212 KB | Output is correct |
19 | Correct | 1 ms | 212 KB | Output is correct |
20 | Correct | 42 ms | 5696 KB | Output is correct |
21 | Correct | 168 ms | 22024 KB | Output is correct |
22 | Correct | 163 ms | 21964 KB | Output is correct |
23 | Correct | 180 ms | 21968 KB | Output is correct |
24 | Correct | 163 ms | 22020 KB | Output is correct |
25 | Correct | 64 ms | 8140 KB | Output is correct |
26 | Correct | 60 ms | 8140 KB | Output is correct |
27 | Correct | 176 ms | 22064 KB | Output is correct |
28 | Correct | 167 ms | 22004 KB | Output is correct |
# | 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 | 1 ms | 212 KB | Output is correct |
5 | Correct | 0 ms | 212 KB | Output is correct |
6 | Correct | 0 ms | 212 KB | Output is correct |
7 | Correct | 0 ms | 212 KB | Output is correct |
8 | Correct | 7 ms | 1104 KB | Output is correct |
9 | Correct | 166 ms | 22036 KB | Output is correct |
10 | Correct | 0 ms | 212 KB | Output is correct |
11 | Correct | 0 ms | 212 KB | Output is correct |
12 | Correct | 7 ms | 1108 KB | Output is correct |
13 | Correct | 166 ms | 22064 KB | Output is correct |
14 | Correct | 0 ms | 212 KB | Output is correct |
15 | Correct | 0 ms | 212 KB | Output is correct |
16 | Correct | 4 ms | 780 KB | Output is correct |
17 | Correct | 78 ms | 12164 KB | Output is correct |
18 | Correct | 0 ms | 212 KB | Output is correct |
19 | Correct | 0 ms | 212 KB | Output is correct |
20 | Correct | 0 ms | 212 KB | Output is correct |
21 | Correct | 42 ms | 5760 KB | Output is correct |
22 | Correct | 167 ms | 21964 KB | Output is correct |
23 | Correct | 165 ms | 22032 KB | Output is correct |
24 | Correct | 180 ms | 21964 KB | Output is correct |
25 | Correct | 68 ms | 8068 KB | Output is correct |
26 | Correct | 68 ms | 12036 KB | Output is correct |
27 | Correct | 163 ms | 24060 KB | Output is correct |
28 | Correct | 177 ms | 23984 KB | Output is correct |
29 | Correct | 62 ms | 10108 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 212 KB | Output is correct |
2 | Correct | 1 ms | 212 KB | Output is correct |
3 | Correct | 0 ms | 212 KB | Output is correct |
4 | Correct | 43 ms | 5812 KB | Output is correct |
5 | Correct | 171 ms | 21988 KB | Output is correct |
6 | Correct | 164 ms | 22060 KB | Output is correct |
7 | Correct | 178 ms | 22116 KB | Output is correct |
8 | Correct | 0 ms | 212 KB | Output is correct |
9 | Correct | 43 ms | 5744 KB | Output is correct |
10 | Correct | 168 ms | 22020 KB | Output is correct |
11 | Correct | 166 ms | 21964 KB | Output is correct |
12 | Correct | 180 ms | 22020 KB | Output is correct |
13 | Correct | 0 ms | 212 KB | Output is correct |
14 | Correct | 0 ms | 212 KB | Output is correct |
15 | Correct | 0 ms | 212 KB | Output is correct |
16 | Correct | 42 ms | 5772 KB | Output is correct |
17 | Correct | 167 ms | 22032 KB | Output is correct |
18 | Correct | 165 ms | 21964 KB | Output is correct |
19 | Correct | 162 ms | 22032 KB | Output is correct |
20 | Correct | 166 ms | 21964 KB | Output is correct |
# | 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 | 0 ms | 212 KB | Output is correct |
6 | Correct | 7 ms | 1180 KB | Output is correct |
7 | Correct | 160 ms | 22036 KB | Output is correct |
8 | Correct | 0 ms | 212 KB | Output is correct |
9 | Correct | 0 ms | 212 KB | Output is correct |
10 | Correct | 0 ms | 212 KB | Output is correct |
11 | Correct | 0 ms | 212 KB | Output is correct |
12 | Correct | 7 ms | 1108 KB | Output is correct |
13 | Correct | 166 ms | 22080 KB | Output is correct |
14 | Correct | 0 ms | 212 KB | Output is correct |
15 | Correct | 0 ms | 212 KB | Output is correct |
16 | Correct | 4 ms | 596 KB | Output is correct |
17 | Correct | 76 ms | 8080 KB | Output is correct |
18 | Correct | 0 ms | 212 KB | Output is correct |
19 | Correct | 1 ms | 212 KB | Output is correct |
20 | Correct | 42 ms | 5696 KB | Output is correct |
21 | Correct | 168 ms | 22024 KB | Output is correct |
22 | Correct | 163 ms | 21964 KB | Output is correct |
23 | Correct | 180 ms | 21968 KB | Output is correct |
24 | Correct | 163 ms | 22020 KB | Output is correct |
25 | Correct | 64 ms | 8140 KB | Output is correct |
26 | Correct | 60 ms | 8140 KB | Output is correct |
27 | Correct | 176 ms | 22064 KB | Output is correct |
28 | Correct | 167 ms | 22004 KB | Output is correct |
29 | Correct | 1 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 | 1 ms | 212 KB | Output is correct |
33 | Correct | 0 ms | 212 KB | Output is correct |
34 | Correct | 0 ms | 212 KB | Output is correct |
35 | Correct | 0 ms | 212 KB | Output is correct |
36 | Correct | 7 ms | 1104 KB | Output is correct |
37 | Correct | 166 ms | 22036 KB | Output is correct |
38 | Correct | 0 ms | 212 KB | Output is correct |
39 | Correct | 0 ms | 212 KB | Output is correct |
40 | Correct | 7 ms | 1108 KB | Output is correct |
41 | Correct | 166 ms | 22064 KB | Output is correct |
42 | Correct | 0 ms | 212 KB | Output is correct |
43 | Correct | 0 ms | 212 KB | Output is correct |
44 | Correct | 4 ms | 780 KB | Output is correct |
45 | Correct | 78 ms | 12164 KB | Output is correct |
46 | Correct | 0 ms | 212 KB | Output is correct |
47 | Correct | 0 ms | 212 KB | Output is correct |
48 | Correct | 0 ms | 212 KB | Output is correct |
49 | Correct | 42 ms | 5760 KB | Output is correct |
50 | Correct | 167 ms | 21964 KB | Output is correct |
51 | Correct | 165 ms | 22032 KB | Output is correct |
52 | Correct | 180 ms | 21964 KB | Output is correct |
53 | Correct | 68 ms | 8068 KB | Output is correct |
54 | Correct | 68 ms | 12036 KB | Output is correct |
55 | Correct | 163 ms | 24060 KB | Output is correct |
56 | Correct | 177 ms | 23984 KB | Output is correct |
57 | Correct | 62 ms | 10108 KB | Output is correct |
58 | Correct | 0 ms | 304 KB | Output is correct |
59 | Correct | 1 ms | 212 KB | Output is correct |
60 | Correct | 3 ms | 596 KB | Output is correct |
61 | Correct | 74 ms | 10100 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 | 308 KB | Output is correct |
65 | Correct | 42 ms | 6244 KB | Output is correct |
66 | Correct | 69 ms | 14072 KB | Output is correct |
67 | Correct | 63 ms | 10104 KB | Output is correct |
68 | Correct | 64 ms | 14076 KB | Output is correct |
69 | Correct | 62 ms | 10100 KB | Output is correct |
# | 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 | 0 ms | 212 KB | Output is correct |
6 | Correct | 7 ms | 1180 KB | Output is correct |
7 | Correct | 160 ms | 22036 KB | Output is correct |
8 | Correct | 0 ms | 212 KB | Output is correct |
9 | Correct | 0 ms | 212 KB | Output is correct |
10 | Correct | 0 ms | 212 KB | Output is correct |
11 | Correct | 0 ms | 212 KB | Output is correct |
12 | Correct | 7 ms | 1108 KB | Output is correct |
13 | Correct | 166 ms | 22080 KB | Output is correct |
14 | Correct | 0 ms | 212 KB | Output is correct |
15 | Correct | 0 ms | 212 KB | Output is correct |
16 | Correct | 4 ms | 596 KB | Output is correct |
17 | Correct | 76 ms | 8080 KB | Output is correct |
18 | Correct | 0 ms | 212 KB | Output is correct |
19 | Correct | 1 ms | 212 KB | Output is correct |
20 | Correct | 42 ms | 5696 KB | Output is correct |
21 | Correct | 168 ms | 22024 KB | Output is correct |
22 | Correct | 163 ms | 21964 KB | Output is correct |
23 | Correct | 180 ms | 21968 KB | Output is correct |
24 | Correct | 163 ms | 22020 KB | Output is correct |
25 | Correct | 64 ms | 8140 KB | Output is correct |
26 | Correct | 60 ms | 8140 KB | Output is correct |
27 | Correct | 176 ms | 22064 KB | Output is correct |
28 | Correct | 167 ms | 22004 KB | Output is correct |
29 | Correct | 1 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 | 1 ms | 212 KB | Output is correct |
33 | Correct | 0 ms | 212 KB | Output is correct |
34 | Correct | 0 ms | 212 KB | Output is correct |
35 | Correct | 0 ms | 212 KB | Output is correct |
36 | Correct | 7 ms | 1104 KB | Output is correct |
37 | Correct | 166 ms | 22036 KB | Output is correct |
38 | Correct | 0 ms | 212 KB | Output is correct |
39 | Correct | 0 ms | 212 KB | Output is correct |
40 | Correct | 7 ms | 1108 KB | Output is correct |
41 | Correct | 166 ms | 22064 KB | Output is correct |
42 | Correct | 0 ms | 212 KB | Output is correct |
43 | Correct | 0 ms | 212 KB | Output is correct |
44 | Correct | 4 ms | 780 KB | Output is correct |
45 | Correct | 78 ms | 12164 KB | Output is correct |
46 | Correct | 0 ms | 212 KB | Output is correct |
47 | Correct | 0 ms | 212 KB | Output is correct |
48 | Correct | 0 ms | 212 KB | Output is correct |
49 | Correct | 42 ms | 5760 KB | Output is correct |
50 | Correct | 167 ms | 21964 KB | Output is correct |
51 | Correct | 165 ms | 22032 KB | Output is correct |
52 | Correct | 180 ms | 21964 KB | Output is correct |
53 | Correct | 68 ms | 8068 KB | Output is correct |
54 | Correct | 68 ms | 12036 KB | Output is correct |
55 | Correct | 163 ms | 24060 KB | Output is correct |
56 | Correct | 177 ms | 23984 KB | Output is correct |
57 | Correct | 62 ms | 10108 KB | Output is correct |
58 | Correct | 0 ms | 212 KB | Output is correct |
59 | Correct | 1 ms | 212 KB | Output is correct |
60 | Correct | 0 ms | 212 KB | Output is correct |
61 | Correct | 43 ms | 5812 KB | Output is correct |
62 | Correct | 171 ms | 21988 KB | Output is correct |
63 | Correct | 164 ms | 22060 KB | Output is correct |
64 | Correct | 178 ms | 22116 KB | Output is correct |
65 | Correct | 0 ms | 212 KB | Output is correct |
66 | Correct | 43 ms | 5744 KB | Output is correct |
67 | Correct | 168 ms | 22020 KB | Output is correct |
68 | Correct | 166 ms | 21964 KB | Output is correct |
69 | Correct | 180 ms | 22020 KB | Output is correct |
70 | Correct | 0 ms | 212 KB | Output is correct |
71 | Correct | 0 ms | 212 KB | Output is correct |
72 | Correct | 0 ms | 212 KB | Output is correct |
73 | Correct | 42 ms | 5772 KB | Output is correct |
74 | Correct | 167 ms | 22032 KB | Output is correct |
75 | Correct | 165 ms | 21964 KB | Output is correct |
76 | Correct | 162 ms | 22032 KB | Output is correct |
77 | Correct | 166 ms | 21964 KB | Output is correct |
78 | Correct | 0 ms | 304 KB | Output is correct |
79 | Correct | 1 ms | 212 KB | Output is correct |
80 | Correct | 3 ms | 596 KB | Output is correct |
81 | Correct | 74 ms | 10100 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 | 308 KB | Output is correct |
85 | Correct | 42 ms | 6244 KB | Output is correct |
86 | Correct | 69 ms | 14072 KB | Output is correct |
87 | Correct | 63 ms | 10104 KB | Output is correct |
88 | Correct | 64 ms | 14076 KB | Output is correct |
89 | Correct | 62 ms | 10100 KB | Output is correct |
90 | Correct | 1 ms | 212 KB | Output is correct |
91 | Correct | 1 ms | 300 KB | Output is correct |
92 | Correct | 3 ms | 596 KB | Output is correct |
93 | Correct | 68 ms | 10104 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 | 16 ms | 2684 KB | Output is correct |
98 | Correct | 63 ms | 10116 KB | Output is correct |
99 | Correct | 66 ms | 10120 KB | Output is correct |
100 | Correct | 65 ms | 10108 KB | Output is correct |
101 | Correct | 61 ms | 10120 KB | Output is correct |
102 | Correct | 64 ms | 10104 KB | Output is correct |
103 | Correct | 61 ms | 10120 KB | Output is correct |
104 | Correct | 62 ms | 10116 KB | Output is correct |
105 | Correct | 72 ms | 10108 KB | Output is correct |