oj.uz

Submission #1014442

# Submission time Handle Problem Language Result Execution time Memory
1014442 2024-07-04T21:44:56 Z Ahmed_Solyman Connecting Supertrees (IOI20_supertrees) C++14
40 / 100
 141 ms 22244 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;
    }
}d,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=0;j<n;j++){
            if(p[i][j]==1)dsu.unite(i,j);
            if(p[i][j]==2)dsu2.unite(i,j);
        }
    }
    for(int i=0;i<n;i++){
        for(int j=i+1;j<n;j++){
            if(!p[i][j] && (dsu.find(i)==dsu.find(j) || 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][j-1]][v[i][j]]=1;
            b[v[i][j]][v[i][j-1]]=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);
    d.init(n);
    for(int i=0;i<n;i++){
        int m=(int)v[i].size();
        if(m<=1)continue;
        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;
            d.unite(dsu.find(v[i][j-1]),dsu.find(v[i][j]));
        }
        if(m==2){
            return 0;
        }
        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;
        d.unite(dsu.find(v[i][0]),dsu.find(v[i][m-1]));
    }
    build(b);
    return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory 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 0 ms 348 KB Output is correct
5 Correct 0 ms 368 KB Output is correct
6 Correct 5 ms 1116 KB Output is correct
7 Correct 104 ms 22244 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory 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 0 ms 348 KB Output is correct
5 Correct 0 ms 368 KB Output is correct
6 Correct 5 ms 1116 KB Output is correct
7 Correct 104 ms 22244 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 5 ms 1284 KB Output is correct
13 Correct 104 ms 22060 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 604 KB Output is correct
17 Correct 56 ms 8276 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 27 ms 5712 KB Output is correct
21 Correct 106 ms 22096 KB Output is correct
22 Correct 111 ms 22096 KB Output is correct
23 Correct 118 ms 22100 KB Output is correct
24 Correct 113 ms 22096 KB Output is correct
25 Correct 48 ms 8280 KB Output is correct
26 Correct 46 ms 8272 KB Output is correct
27 Correct 116 ms 22100 KB Output is correct
28 Correct 109 ms 22100 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory 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 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 5 ms 1116 KB Output is correct
9 Correct 113 ms 22140 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 5 ms 1280 KB Output is correct
13 Correct 113 ms 22212 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 416 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 58 ms 8332 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 28 ms 5852 KB Output is correct
22 Correct 121 ms 22168 KB Output is correct
23 Correct 111 ms 22100 KB Output is correct
24 Correct 124 ms 22100 KB Output is correct
25 Correct 49 ms 12116 KB Output is correct
26 Correct 48 ms 8276 KB Output is correct
27 Correct 116 ms 22032 KB Output is correct
28 Correct 104 ms 22036 KB Output is correct
29 Correct 49 ms 12112 KB Output is correct

Subtask #4
0 / 35.0

# Verdict Execution time Memory 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 27 ms 5856 KB Output is correct
5 Correct 102 ms 22164 KB Output is correct
6 Correct 124 ms 22036 KB Output is correct
7 Correct 123 ms 22104 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 29 ms 5844 KB Output is correct
10 Correct 119 ms 22096 KB Output is correct
11 Correct 141 ms 22036 KB Output is correct
12 Correct 126 ms 22036 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Incorrect 1 ms 348 KB Too few ways to get from 0 to 1, should be 2 found 1
16 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory 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 0 ms 348 KB Output is correct
5 Correct 0 ms 368 KB Output is correct
6 Correct 5 ms 1116 KB Output is correct
7 Correct 104 ms 22244 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 5 ms 1284 KB Output is correct
13 Correct 104 ms 22060 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 604 KB Output is correct
17 Correct 56 ms 8276 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 27 ms 5712 KB Output is correct
21 Correct 106 ms 22096 KB Output is correct
22 Correct 111 ms 22096 KB Output is correct
23 Correct 118 ms 22100 KB Output is correct
24 Correct 113 ms 22096 KB Output is correct
25 Correct 48 ms 8280 KB Output is correct
26 Correct 46 ms 8272 KB Output is correct
27 Correct 116 ms 22100 KB Output is correct
28 Correct 109 ms 22100 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 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 5 ms 1116 KB Output is correct
37 Correct 113 ms 22140 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 5 ms 1280 KB Output is correct
41 Correct 113 ms 22212 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 416 KB Output is correct
44 Correct 2 ms 604 KB Output is correct
45 Correct 58 ms 8332 KB Output is correct
46 Correct 0 ms 344 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 28 ms 5852 KB Output is correct
50 Correct 121 ms 22168 KB Output is correct
51 Correct 111 ms 22100 KB Output is correct
52 Correct 124 ms 22100 KB Output is correct
53 Correct 49 ms 12116 KB Output is correct
54 Correct 48 ms 8276 KB Output is correct
55 Correct 116 ms 22032 KB Output is correct
56 Correct 104 ms 22036 KB Output is correct
57 Correct 49 ms 12112 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 3 ms 592 KB Output is correct
61 Correct 59 ms 8276 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Incorrect 32 ms 5724 KB b[50][50] is not 0
66 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# Verdict Execution time Memory 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 0 ms 348 KB Output is correct
5 Correct 0 ms 368 KB Output is correct
6 Correct 5 ms 1116 KB Output is correct
7 Correct 104 ms 22244 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 5 ms 1284 KB Output is correct
13 Correct 104 ms 22060 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 604 KB Output is correct
17 Correct 56 ms 8276 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 27 ms 5712 KB Output is correct
21 Correct 106 ms 22096 KB Output is correct
22 Correct 111 ms 22096 KB Output is correct
23 Correct 118 ms 22100 KB Output is correct
24 Correct 113 ms 22096 KB Output is correct
25 Correct 48 ms 8280 KB Output is correct
26 Correct 46 ms 8272 KB Output is correct
27 Correct 116 ms 22100 KB Output is correct
28 Correct 109 ms 22100 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 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 5 ms 1116 KB Output is correct
37 Correct 113 ms 22140 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 5 ms 1280 KB Output is correct
41 Correct 113 ms 22212 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 416 KB Output is correct
44 Correct 2 ms 604 KB Output is correct
45 Correct 58 ms 8332 KB Output is correct
46 Correct 0 ms 344 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 28 ms 5852 KB Output is correct
50 Correct 121 ms 22168 KB Output is correct
51 Correct 111 ms 22100 KB Output is correct
52 Correct 124 ms 22100 KB Output is correct
53 Correct 49 ms 12116 KB Output is correct
54 Correct 48 ms 8276 KB Output is correct
55 Correct 116 ms 22032 KB Output is correct
56 Correct 104 ms 22036 KB Output is correct
57 Correct 49 ms 12112 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 27 ms 5856 KB Output is correct
62 Correct 102 ms 22164 KB Output is correct
63 Correct 124 ms 22036 KB Output is correct
64 Correct 123 ms 22104 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 29 ms 5844 KB Output is correct
67 Correct 119 ms 22096 KB Output is correct
68 Correct 141 ms 22036 KB Output is correct
69 Correct 126 ms 22036 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Incorrect 1 ms 348 KB Too few ways to get from 0 to 1, should be 2 found 1
73 Halted 0 ms 0 KB -