/*input
2
1 2
2 1
*/
#include "supertrees.h"
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef tree<long long, null_type, less_equal<long long>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
#pragma GCC optimize("unroll-loops,no-stack-protector")
//order_of_key #of elements less than x
// find_by_order kth element
typedef long long int ll;
#define ld double
#define pii pair<ll,ll>
#define f first
#define s second
#define pb push_back
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define FILL(n,x) memset(n,x,sizeof(n))
#define ALL(_a) _a.begin(),_a.end()
#define sz(x) (int)x.size()
const ll maxn=1e3+5;
const ll maxlg=__lg(maxn)+2;
const ll INF64=4e18;
const int INF=0x3f3f3f3f;
const ll MOD=(1e9+7);
const ll MOD2=1000002173;
const ld PI=acos(-1);
const ld eps=1e-9;
#define lowb(x) x&(-x)
#define MNTO(x,y) x=min(x,(__typeof__(x))y)
#define MXTO(x,y) x=max(x,(__typeof__(x))y)
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
#define GET_POS(c,x) (lower_bound(c.begin(),c.end(),x)-c.begin())
ll mult(ll a,ll b){
return ((a%MOD)*(b%MOD))%MOD;
}
ll mypow(ll a,ll b,ll MOD){
if(b<=0) return 1;
ll res=1LL;
while(b){
if(b&1) res=(res*a)%MOD;
a=(a*a)%MOD;
b>>=1;
}
return res;
}
int par[maxn];
int find(int x){
if(x==par[x]) return x;
return par[x]=find(par[x]);
}
void merge(int a,int b){
a=find(a),b=find(b);
if(a==b) return;
par[a]=b;
}
vector<vector<int>> ans;
void ed(int a,int b){
ans[a][b]=ans[b][a]=1;
}
bool two[maxn];
vector<int> comp[maxn];
int construct(vector<vector<int>> p) {
int n=sz(p);
ans.resize(n);
REP(i,n) par[i]=i,ans[i].resize(n);
REP(i,n){
REP(j,n){
if(p[i][j]==3){
return 0;
}
if(p[i][j]){
merge(i,j);
}
if(p[i][j]==2){
two[i]=two[j]=1;
}
}
}
REP(i,n){
REP(j,n){
if(!p[i][j] and find(i)==find(j)){
return 0;
}
}
}
REP(i,n){
//cout<<find(i)<<'\n';
if(two[i]) two[find(i)]=1;
comp[find(i)].pb(i);
}
REP(i,n){
REP(j,i){
if(p[i][j]!=1){
continue;
}
REP(k,j){
if(p[i][j]==1 and p[j][k]==1 and p[i][k]!=1){
return 0;
}
}
}
}
REP(i,n) par[i]=i;
REP(i,n){
REP(j,n){
if(p[i][j]==1){
merge(i,j);
}
}
}
REP(i,n){
if(find(i)!=i){
ed(i,par[i]);
}
}
REP(i,n){
vector<int> rt;
for(int x:comp[i]){
rt.pb(find(x));
}
SORT_UNIQUE(rt);
if(sz(rt)==2) return 0;
if(sz(rt)==1) continue;
REP(j,sz(rt)){
ed(rt[j],rt[(j+1)%sz(rt)]);
}
}
build(ans);
return 1;
}
# |
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 |
0 ms |
360 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
13 ms |
1260 KB |
Output is correct |
7 |
Correct |
494 ms |
22584 KB |
Output is correct |
# |
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 |
0 ms |
360 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
13 ms |
1260 KB |
Output is correct |
7 |
Correct |
494 ms |
22584 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 |
253 ms |
22500 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 |
876 KB |
Output is correct |
17 |
Correct |
116 ms |
12516 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
65 ms |
5988 KB |
Output is correct |
21 |
Correct |
284 ms |
22580 KB |
Output is correct |
22 |
Correct |
258 ms |
22500 KB |
Output is correct |
23 |
Correct |
450 ms |
22464 KB |
Output is correct |
24 |
Correct |
255 ms |
22500 KB |
Output is correct |
25 |
Correct |
104 ms |
12516 KB |
Output is correct |
26 |
Correct |
119 ms |
12516 KB |
Output is correct |
27 |
Correct |
444 ms |
22500 KB |
Output is correct |
28 |
Correct |
268 ms |
22472 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
0 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 |
1388 KB |
Output is correct |
9 |
Correct |
251 ms |
24184 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 |
1388 KB |
Output is correct |
13 |
Correct |
251 ms |
24156 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 |
876 KB |
Output is correct |
17 |
Correct |
117 ms |
14180 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 |
65 ms |
6372 KB |
Output is correct |
22 |
Correct |
259 ms |
24420 KB |
Output is correct |
23 |
Correct |
262 ms |
24188 KB |
Output is correct |
24 |
Correct |
278 ms |
24140 KB |
Output is correct |
25 |
Correct |
109 ms |
14180 KB |
Output is correct |
26 |
Correct |
105 ms |
14180 KB |
Output is correct |
27 |
Correct |
255 ms |
24036 KB |
Output is correct |
28 |
Correct |
266 ms |
24036 KB |
Output is correct |
29 |
Correct |
104 ms |
14252 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
69 ms |
6328 KB |
Output is correct |
5 |
Correct |
287 ms |
22884 KB |
Output is correct |
6 |
Correct |
263 ms |
23012 KB |
Output is correct |
7 |
Correct |
450 ms |
22836 KB |
Output is correct |
8 |
Correct |
1 ms |
492 KB |
Output is correct |
9 |
Correct |
64 ms |
6244 KB |
Output is correct |
10 |
Correct |
257 ms |
22888 KB |
Output is correct |
11 |
Correct |
252 ms |
22884 KB |
Output is correct |
12 |
Correct |
271 ms |
22884 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 |
65 ms |
6116 KB |
Output is correct |
17 |
Correct |
255 ms |
22884 KB |
Output is correct |
18 |
Correct |
265 ms |
22884 KB |
Output is correct |
19 |
Correct |
258 ms |
23012 KB |
Output is correct |
20 |
Correct |
258 ms |
22884 KB |
Output is correct |
# |
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 |
0 ms |
360 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
13 ms |
1260 KB |
Output is correct |
7 |
Correct |
494 ms |
22584 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 |
253 ms |
22500 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 |
876 KB |
Output is correct |
17 |
Correct |
116 ms |
12516 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
65 ms |
5988 KB |
Output is correct |
21 |
Correct |
284 ms |
22580 KB |
Output is correct |
22 |
Correct |
258 ms |
22500 KB |
Output is correct |
23 |
Correct |
450 ms |
22464 KB |
Output is correct |
24 |
Correct |
255 ms |
22500 KB |
Output is correct |
25 |
Correct |
104 ms |
12516 KB |
Output is correct |
26 |
Correct |
119 ms |
12516 KB |
Output is correct |
27 |
Correct |
444 ms |
22500 KB |
Output is correct |
28 |
Correct |
268 ms |
22472 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
31 |
Correct |
0 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
0 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 |
1388 KB |
Output is correct |
37 |
Correct |
251 ms |
24184 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 |
1388 KB |
Output is correct |
41 |
Correct |
251 ms |
24156 KB |
Output is correct |
42 |
Correct |
1 ms |
364 KB |
Output is correct |
43 |
Correct |
1 ms |
364 KB |
Output is correct |
44 |
Correct |
5 ms |
876 KB |
Output is correct |
45 |
Correct |
117 ms |
14180 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 |
65 ms |
6372 KB |
Output is correct |
50 |
Correct |
259 ms |
24420 KB |
Output is correct |
51 |
Correct |
262 ms |
24188 KB |
Output is correct |
52 |
Correct |
278 ms |
24140 KB |
Output is correct |
53 |
Correct |
109 ms |
14180 KB |
Output is correct |
54 |
Correct |
105 ms |
14180 KB |
Output is correct |
55 |
Correct |
255 ms |
24036 KB |
Output is correct |
56 |
Correct |
266 ms |
24036 KB |
Output is correct |
57 |
Correct |
104 ms |
14252 KB |
Output is correct |
58 |
Correct |
1 ms |
512 KB |
Output is correct |
59 |
Correct |
1 ms |
364 KB |
Output is correct |
60 |
Correct |
5 ms |
876 KB |
Output is correct |
61 |
Correct |
117 ms |
14180 KB |
Output is correct |
62 |
Correct |
1 ms |
364 KB |
Output is correct |
63 |
Correct |
1 ms |
364 KB |
Output is correct |
64 |
Correct |
1 ms |
364 KB |
Output is correct |
65 |
Correct |
65 ms |
6372 KB |
Output is correct |
66 |
Correct |
104 ms |
14180 KB |
Output is correct |
67 |
Correct |
103 ms |
14180 KB |
Output is correct |
68 |
Correct |
106 ms |
14180 KB |
Output is correct |
69 |
Correct |
104 ms |
14180 KB |
Output is correct |
# |
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 |
0 ms |
360 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
13 ms |
1260 KB |
Output is correct |
7 |
Correct |
494 ms |
22584 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 |
253 ms |
22500 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 |
876 KB |
Output is correct |
17 |
Correct |
116 ms |
12516 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
65 ms |
5988 KB |
Output is correct |
21 |
Correct |
284 ms |
22580 KB |
Output is correct |
22 |
Correct |
258 ms |
22500 KB |
Output is correct |
23 |
Correct |
450 ms |
22464 KB |
Output is correct |
24 |
Correct |
255 ms |
22500 KB |
Output is correct |
25 |
Correct |
104 ms |
12516 KB |
Output is correct |
26 |
Correct |
119 ms |
12516 KB |
Output is correct |
27 |
Correct |
444 ms |
22500 KB |
Output is correct |
28 |
Correct |
268 ms |
22472 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
31 |
Correct |
0 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
0 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 |
1388 KB |
Output is correct |
37 |
Correct |
251 ms |
24184 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 |
1388 KB |
Output is correct |
41 |
Correct |
251 ms |
24156 KB |
Output is correct |
42 |
Correct |
1 ms |
364 KB |
Output is correct |
43 |
Correct |
1 ms |
364 KB |
Output is correct |
44 |
Correct |
5 ms |
876 KB |
Output is correct |
45 |
Correct |
117 ms |
14180 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 |
65 ms |
6372 KB |
Output is correct |
50 |
Correct |
259 ms |
24420 KB |
Output is correct |
51 |
Correct |
262 ms |
24188 KB |
Output is correct |
52 |
Correct |
278 ms |
24140 KB |
Output is correct |
53 |
Correct |
109 ms |
14180 KB |
Output is correct |
54 |
Correct |
105 ms |
14180 KB |
Output is correct |
55 |
Correct |
255 ms |
24036 KB |
Output is correct |
56 |
Correct |
266 ms |
24036 KB |
Output is correct |
57 |
Correct |
104 ms |
14252 KB |
Output is correct |
58 |
Correct |
1 ms |
492 KB |
Output is correct |
59 |
Correct |
1 ms |
364 KB |
Output is correct |
60 |
Correct |
1 ms |
364 KB |
Output is correct |
61 |
Correct |
69 ms |
6328 KB |
Output is correct |
62 |
Correct |
287 ms |
22884 KB |
Output is correct |
63 |
Correct |
263 ms |
23012 KB |
Output is correct |
64 |
Correct |
450 ms |
22836 KB |
Output is correct |
65 |
Correct |
1 ms |
492 KB |
Output is correct |
66 |
Correct |
64 ms |
6244 KB |
Output is correct |
67 |
Correct |
257 ms |
22888 KB |
Output is correct |
68 |
Correct |
252 ms |
22884 KB |
Output is correct |
69 |
Correct |
271 ms |
22884 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 |
65 ms |
6116 KB |
Output is correct |
74 |
Correct |
255 ms |
22884 KB |
Output is correct |
75 |
Correct |
265 ms |
22884 KB |
Output is correct |
76 |
Correct |
258 ms |
23012 KB |
Output is correct |
77 |
Correct |
258 ms |
22884 KB |
Output is correct |
78 |
Correct |
1 ms |
512 KB |
Output is correct |
79 |
Correct |
1 ms |
364 KB |
Output is correct |
80 |
Correct |
5 ms |
876 KB |
Output is correct |
81 |
Correct |
117 ms |
14180 KB |
Output is correct |
82 |
Correct |
1 ms |
364 KB |
Output is correct |
83 |
Correct |
1 ms |
364 KB |
Output is correct |
84 |
Correct |
1 ms |
364 KB |
Output is correct |
85 |
Correct |
65 ms |
6372 KB |
Output is correct |
86 |
Correct |
104 ms |
14180 KB |
Output is correct |
87 |
Correct |
103 ms |
14180 KB |
Output is correct |
88 |
Correct |
106 ms |
14180 KB |
Output is correct |
89 |
Correct |
104 ms |
14180 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 |
876 KB |
Output is correct |
93 |
Correct |
102 ms |
14308 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 |
3740 KB |
Output is correct |
98 |
Correct |
106 ms |
14176 KB |
Output is correct |
99 |
Correct |
104 ms |
14180 KB |
Output is correct |
100 |
Correct |
103 ms |
14180 KB |
Output is correct |
101 |
Correct |
102 ms |
14180 KB |
Output is correct |
102 |
Correct |
94 ms |
14180 KB |
Output is correct |
103 |
Correct |
96 ms |
14180 KB |
Output is correct |
104 |
Correct |
92 ms |
14180 KB |
Output is correct |
105 |
Correct |
107 ms |
14180 KB |
Output is correct |