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답안 #1014458

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1014458 2024-07-04T23:23:20 Z Ahmed_Solyman 슈퍼트리 잇기 (IOI20_supertrees) C++14
100 / 100
 160 ms 24200 KB 
/*
In the name of Allah
made by: Ahmed_Solyman
*/
#include <bits/stdc++.h>
#include <ext/rope>

using namespace std;
using namespace __gnu_cxx;
#pragma GCC optimize("-Ofast")
#pragma GCC optimize("-O1")
//-------------------------------------------------------------//
typedef long long ll;
typedef unsigned long long ull;
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define PI acos(-1)
#define lb lower_bound
#define ub upper_bound
#define all(v) v.begin(),v.end()
#define allr(v) v.rbegin(),v.rend()
#define sum_to(n) (n*(n+1))/2
#define pb push_back
#define pf push_front
#define fil(arr,x) memset(arr,x,sizeof(arr))
#define endl '\n'
const ll mod=1e9+7;
int dx[8]={0,1,0,-1,1,1,-1,-1};
int dy[8]={1,0,-1,0,1,-1,-1,1};
//-------------------------------------------------------------//
ll lcm(ll a,ll b)
{
    return (max(a,b)/__gcd(a,b))*min(a,b);
}
void person_bool(bool x)
{
    cout<<(x?"YES":"NO")<<endl;
}
void build(vector<vector<int>>b);
struct DSU{
    vector<int>P,sz;
    void init(int n){
        P.resize(n+5);
        sz.assign(n+5,1);
        for(int i=0;i<n+5;i++)P[i]=i;
    }
    int find(int node){
        if(P[node]==node)return node;
        return P[node]=find(P[node]);
    }
    bool unite(int a,int b){
        int p1=find(a);
        int p2=find(b);
        if(p1==p2){
            return 0;
        }
        if(sz[p1]>sz[p2]){
            swap(p1,p2);
        }
        P[p1]=p2;
        sz[p2]+=sz[p1];
        return 1;
    }
}dsu,dsu2;
int construct(vector<vector<int>> p){
    int n=p.size();
    dsu.init(n);
    dsu2.init(n);
    for(int i=0;i<n;i++){
        for(int j=i+1;j<n;j++){
            if(p[i][j]==1)dsu.unite(i,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 && dsu.find(i)==dsu.find(j)){
                return 0;
            }
            if(p[i][j]==2)dsu2.unite(dsu.find(i),dsu.find(j));
        }
    }
    for(int i=0;i<n;i++){
        for(int j=i+1;j<n;j++){
            if(p[i][j]==0 && dsu2.find(i)==dsu2.find(j)){
                return 0;
            }
        }
    }
    vector<int>v[n];
    for(int i=0;i<n;i++)v[dsu.find(i)].push_back(i);
    vector<vector<int>>b(n,vector<int>(n));
    for(int i=0;i<n;i++){
        int m=(int)v[i].size();
        for(int j=1;j<m;j++){
            b[v[i][0]][v[i][j]]=1;
            b[v[i][j]][v[i][0]]=1;
        }
    }
    for(int i=0;i<n;i++){
        v[i].clear();
    }
    for(int i=0;i<n;i++)v[dsu2.find(i)].push_back(i);
    for(int i=0;i<n;i++){
        int m=(int)v[i].size();
        if(m<=1)continue;
        if(m==2){
            return 0;
        }
        for(int j=1;j<m;j++){
            b[dsu.find(v[i][j-1])][dsu.find(v[i][j])]=1;
            b[dsu.find(v[i][j])][dsu.find(v[i][j-1])]=1;
        }
        b[dsu.find(v[i][0])][dsu.find(v[i][m-1])]=1;
        b[dsu.find(v[i][m-1])][dsu.find(v[i][0])]=1;
    }
    build(b);
    return 1;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 440 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 7 ms 1372 KB Output is correct
7 Correct 112 ms 24016 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 440 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 7 ms 1372 KB Output is correct
7 Correct 112 ms 24016 KB Output is correct
8 Correct 0 ms 436 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 5 ms 1372 KB Output is correct
13 Correct 123 ms 24148 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 676 KB Output is correct
17 Correct 58 ms 10108 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 29 ms 6292 KB Output is correct
21 Correct 119 ms 24152 KB Output is correct
22 Correct 107 ms 24196 KB Output is correct
23 Correct 121 ms 24056 KB Output is correct
24 Correct 122 ms 24104 KB Output is correct
25 Correct 49 ms 10064 KB Output is correct
26 Correct 49 ms 10248 KB Output is correct
27 Correct 155 ms 23972 KB Output is correct
28 Correct 112 ms 24200 KB Output is correct

Subtask #3
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 5 ms 1348 KB Output is correct
9 Correct 123 ms 24052 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 7 ms 1192 KB Output is correct
13 Correct 115 ms 23980 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 676 KB Output is correct
17 Correct 63 ms 10108 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 29 ms 6412 KB Output is correct
22 Correct 118 ms 24144 KB Output is correct
23 Correct 114 ms 23980 KB Output is correct
24 Correct 121 ms 24072 KB Output is correct
25 Correct 50 ms 14164 KB Output is correct
26 Correct 51 ms 10064 KB Output is correct
27 Correct 123 ms 24148 KB Output is correct
28 Correct 128 ms 24144 KB Output is correct
29 Correct 51 ms 14160 KB Output is correct

Subtask #4
35.0 / 35.0

# 결과 실행 시간 메모리 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 41 ms 6328 KB Output is correct
5 Correct 115 ms 24068 KB Output is correct
6 Correct 160 ms 24144 KB Output is correct
7 Correct 116 ms 24072 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 37 ms 6260 KB Output is correct
10 Correct 124 ms 24144 KB Output is correct
11 Correct 117 ms 24144 KB Output is correct
12 Correct 121 ms 24068 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 29 ms 6420 KB Output is correct
17 Correct 113 ms 24192 KB Output is correct
18 Correct 119 ms 24188 KB Output is correct
19 Correct 113 ms 24200 KB Output is correct
20 Correct 114 ms 24020 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 440 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 7 ms 1372 KB Output is correct
7 Correct 112 ms 24016 KB Output is correct
8 Correct 0 ms 436 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 5 ms 1372 KB Output is correct
13 Correct 123 ms 24148 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 676 KB Output is correct
17 Correct 58 ms 10108 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 29 ms 6292 KB Output is correct
21 Correct 119 ms 24152 KB Output is correct
22 Correct 107 ms 24196 KB Output is correct
23 Correct 121 ms 24056 KB Output is correct
24 Correct 122 ms 24104 KB Output is correct
25 Correct 49 ms 10064 KB Output is correct
26 Correct 49 ms 10248 KB Output is correct
27 Correct 155 ms 23972 KB Output is correct
28 Correct 112 ms 24200 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 5 ms 1348 KB Output is correct
37 Correct 123 ms 24052 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 7 ms 1192 KB Output is correct
41 Correct 115 ms 23980 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 3 ms 676 KB Output is correct
45 Correct 63 ms 10108 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 29 ms 6412 KB Output is correct
50 Correct 118 ms 24144 KB Output is correct
51 Correct 114 ms 23980 KB Output is correct
52 Correct 121 ms 24072 KB Output is correct
53 Correct 50 ms 14164 KB Output is correct
54 Correct 51 ms 10064 KB Output is correct
55 Correct 123 ms 24148 KB Output is correct
56 Correct 128 ms 24144 KB Output is correct
57 Correct 51 ms 14160 KB Output is correct
58 Correct 0 ms 344 KB Output is correct
59 Correct 0 ms 344 KB Output is correct
60 Correct 3 ms 604 KB Output is correct
61 Correct 52 ms 10120 KB Output is correct
62 Correct 0 ms 436 KB Output is correct
63 Correct 0 ms 436 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 27 ms 6300 KB Output is correct
66 Correct 51 ms 10068 KB Output is correct
67 Correct 50 ms 10068 KB Output is correct
68 Correct 50 ms 10068 KB Output is correct
69 Correct 52 ms 14164 KB Output is correct

Subtask #6
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 440 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 7 ms 1372 KB Output is correct
7 Correct 112 ms 24016 KB Output is correct
8 Correct 0 ms 436 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 5 ms 1372 KB Output is correct
13 Correct 123 ms 24148 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 676 KB Output is correct
17 Correct 58 ms 10108 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 29 ms 6292 KB Output is correct
21 Correct 119 ms 24152 KB Output is correct
22 Correct 107 ms 24196 KB Output is correct
23 Correct 121 ms 24056 KB Output is correct
24 Correct 122 ms 24104 KB Output is correct
25 Correct 49 ms 10064 KB Output is correct
26 Correct 49 ms 10248 KB Output is correct
27 Correct 155 ms 23972 KB Output is correct
28 Correct 112 ms 24200 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 5 ms 1348 KB Output is correct
37 Correct 123 ms 24052 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 7 ms 1192 KB Output is correct
41 Correct 115 ms 23980 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 3 ms 676 KB Output is correct
45 Correct 63 ms 10108 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 29 ms 6412 KB Output is correct
50 Correct 118 ms 24144 KB Output is correct
51 Correct 114 ms 23980 KB Output is correct
52 Correct 121 ms 24072 KB Output is correct
53 Correct 50 ms 14164 KB Output is correct
54 Correct 51 ms 10064 KB Output is correct
55 Correct 123 ms 24148 KB Output is correct
56 Correct 128 ms 24144 KB Output is correct
57 Correct 51 ms 14160 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 41 ms 6328 KB Output is correct
62 Correct 115 ms 24068 KB Output is correct
63 Correct 160 ms 24144 KB Output is correct
64 Correct 116 ms 24072 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 37 ms 6260 KB Output is correct
67 Correct 124 ms 24144 KB Output is correct
68 Correct 117 ms 24144 KB Output is correct
69 Correct 121 ms 24068 KB Output is correct
70 Correct 0 ms 344 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 0 ms 348 KB Output is correct
73 Correct 29 ms 6420 KB Output is correct
74 Correct 113 ms 24192 KB Output is correct
75 Correct 119 ms 24188 KB Output is correct
76 Correct 113 ms 24200 KB Output is correct
77 Correct 114 ms 24020 KB Output is correct
78 Correct 0 ms 344 KB Output is correct
79 Correct 0 ms 344 KB Output is correct
80 Correct 3 ms 604 KB Output is correct
81 Correct 52 ms 10120 KB Output is correct
82 Correct 0 ms 436 KB Output is correct
83 Correct 0 ms 436 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 27 ms 6300 KB Output is correct
86 Correct 51 ms 10068 KB Output is correct
87 Correct 50 ms 10068 KB Output is correct
88 Correct 50 ms 10068 KB Output is correct
89 Correct 52 ms 14164 KB Output is correct
90 Correct 0 ms 344 KB Output is correct
91 Correct 0 ms 348 KB Output is correct
92 Correct 2 ms 704 KB Output is correct
93 Correct 51 ms 10068 KB Output is correct
94 Correct 0 ms 348 KB Output is correct
95 Correct 0 ms 348 KB Output is correct
96 Correct 1 ms 348 KB Output is correct
97 Correct 13 ms 2688 KB Output is correct
98 Correct 48 ms 10120 KB Output is correct
99 Correct 49 ms 10068 KB Output is correct
100 Correct 48 ms 10120 KB Output is correct
101 Correct 47 ms 10064 KB Output is correct
102 Correct 48 ms 10100 KB Output is correct
103 Correct 48 ms 10064 KB Output is correct
104 Correct 57 ms 10232 KB Output is correct
105 Correct 58 ms 10232 KB Output is correct