oj.uz

Submission #768441

# Submission time Handle Problem Language Result Execution time Memory
768441 2023-06-28T07:29:21 Z Khizri Connecting Supertrees (IOI20_supertrees) C++17
40 / 100
 191 ms 36100 KB 
#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define F first
#define S second
#define INF 1e18
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define pii pair<int,int>
#define pll pair<ll,ll>
#define OK cout<<"Ok"<<endl;
#define MOD (ll)(1e9+7)
const int mxn=1e3+5;
int n,color[mxn],k,color2[mxn],sz,lst,arr[mxn][mxn];
vector<int>vt[mxn];
vector<int>vt2[mxn];
vector<vector<int>>p;
void dfs(int u){
    color[u]=k;
    sz++;
    for(int v:vt[u]){
        if(!color[v]){
            arr[u][v]=1;
            arr[v][u]=1;
            dfs(v);
        }
    }
}
void dfs2(int u){
    color2[u]=k;
    sz++;
    lst=u;
    for(int vv:vt2[u]){
        int v=color[vv];
        if(!color2[v]){
            arr[u][v]=1;
            arr[v][u]=1;
            dfs2(v);
        }
    }
}
int construct(vector<vector<int>> pp) {
    p=pp;
	n=p.size();
	for(int i=0;i<n;i++){
        for(int j=i+1;j<n;j++){
            if(p[i][j]==1){
                vt[i+1].pb(j+1);
                vt[j+1].pb(i+1);
            }
            else if(p[i][j]==2){
                vt2[i+1].pb(j+1);
                vt2[j+1].pb(i+1);
            }
            else if(p[i][j]==3){
                //cout<<"X1"<<endl;
                return 0;
            }
        }
	}
	for(int i=1;i<=n;i++){
        if(!color[i]){
            k=i;
            sz=0;
            dfs(i);
        }
	}
	for(int i=1;i<=n;i++){
        for(int j=i+1;j<=n;j++){
            if(color[i]==color[j]&&p[i-1][j-1]!=1){
                //cout<<i<<' '<<j<<endl;
                //cout<<"X2"<<endl;
                return 0;
            }
        }
	}
	vector<pii>v;
	for(int id=1;id<=n;id++){
        int i=color[id];
        if(color2[i]) continue;
        k=i;
        sz=0;
        dfs2(i);
        if(lst==i){
            color2[i]=0;
        }
        else{
            if(sz<=2) return 0;
            arr[i][lst]=1;
            arr[lst][i]=1;
            v.pb({i,lst});
        }
	}
	for(int i=1;i<=n;i++){
        for(int j=i+1;j<=n;j++){
            if(color2[i]>0&&color2[i]==color2[j]&&p[i-1][j-1]!=2){
                //cout<<"X3"<<endl;
                return 0;
            }
        }
	}
	for(int i=1;i<=n;i++){
        for(int j=i+1;j<=n;j++){
            if(p[i-1][j-1]==2&&color2[i]!=color2[j]){
                int a=color[i];
                int b=color[j];
                arr[a][b]=1;
                arr[b][a]=1;
            }
        }
	}
	vector<vector<int>>ans;
	for(int i=1;i<=n;i++){
        vector<int>vt;
        for(int j=1;j<=n;j++){
            vt.pb(arr[i][j]);
        }
        ans.pb(vt);
	}
	build(ans);
	return 1;
}
/*
4
1 1 2 2
1 1 2 2
2 2 1 2
2 2 2 1
7
1 2 2 2 0 0 0
2 1 2 2 0 0 0
2 2 1 2 0 0 0
2 2 2 1 0 0 0
0 0 0 0 1 2 2
0 0 0 0 2 1 2
0 0 0 0 2 2 1
*/

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 7 ms 2388 KB Output is correct
7 Correct 180 ms 34136 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 7 ms 2388 KB Output is correct
7 Correct 180 ms 34136 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 8 ms 1408 KB Output is correct
13 Correct 157 ms 26024 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 4 ms 1668 KB Output is correct
17 Correct 84 ms 18876 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 40 ms 8640 KB Output is correct
21 Correct 158 ms 30440 KB Output is correct
22 Correct 191 ms 29628 KB Output is correct
23 Correct 166 ms 32128 KB Output is correct
24 Correct 156 ms 26304 KB Output is correct
25 Correct 69 ms 16616 KB Output is correct
26 Correct 77 ms 15688 KB Output is correct
27 Correct 162 ms 33104 KB Output is correct
28 Correct 154 ms 26296 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 7 ms 1364 KB Output is correct
9 Correct 154 ms 25984 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 9 ms 2492 KB Output is correct
13 Correct 164 ms 36100 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 356 KB Output is correct
16 Correct 4 ms 1776 KB Output is correct
17 Correct 73 ms 20948 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 352 KB Output is correct
20 Correct 1 ms 360 KB Output is correct
21 Correct 41 ms 9200 KB Output is correct
22 Correct 161 ms 32532 KB Output is correct
23 Correct 157 ms 31936 KB Output is correct
24 Correct 168 ms 35124 KB Output is correct
25 Correct 62 ms 14392 KB Output is correct
26 Correct 65 ms 18616 KB Output is correct
27 Correct 189 ms 31856 KB Output is correct
28 Correct 169 ms 34060 KB Output is correct
29 Correct 62 ms 14376 KB Output is correct

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 40 ms 8672 KB Output is correct
5 Correct 159 ms 30536 KB Output is correct
6 Correct 162 ms 29628 KB Output is correct
7 Correct 162 ms 32060 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 40 ms 9188 KB Output is correct
10 Correct 174 ms 32416 KB Output is correct
11 Correct 157 ms 31912 KB Output is correct
12 Correct 174 ms 35036 KB Output is correct
13 Correct 1 ms 356 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Incorrect 41 ms 9068 KB Too many ways to get from 0 to 223, should be 2 found no less than 3
17 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 7 ms 2388 KB Output is correct
7 Correct 180 ms 34136 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 8 ms 1408 KB Output is correct
13 Correct 157 ms 26024 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 4 ms 1668 KB Output is correct
17 Correct 84 ms 18876 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 40 ms 8640 KB Output is correct
21 Correct 158 ms 30440 KB Output is correct
22 Correct 191 ms 29628 KB Output is correct
23 Correct 166 ms 32128 KB Output is correct
24 Correct 156 ms 26304 KB Output is correct
25 Correct 69 ms 16616 KB Output is correct
26 Correct 77 ms 15688 KB Output is correct
27 Correct 162 ms 33104 KB Output is correct
28 Correct 154 ms 26296 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 7 ms 1364 KB Output is correct
37 Correct 154 ms 25984 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 9 ms 2492 KB Output is correct
41 Correct 164 ms 36100 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 356 KB Output is correct
44 Correct 4 ms 1776 KB Output is correct
45 Correct 73 ms 20948 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 352 KB Output is correct
48 Correct 1 ms 360 KB Output is correct
49 Correct 41 ms 9200 KB Output is correct
50 Correct 161 ms 32532 KB Output is correct
51 Correct 157 ms 31936 KB Output is correct
52 Correct 168 ms 35124 KB Output is correct
53 Correct 62 ms 14392 KB Output is correct
54 Correct 65 ms 18616 KB Output is correct
55 Correct 189 ms 31856 KB Output is correct
56 Correct 169 ms 34060 KB Output is correct
57 Correct 62 ms 14376 KB Output is correct
58 Correct 0 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 4 ms 1876 KB Output is correct
61 Correct 75 ms 22552 KB Output is correct
62 Correct 1 ms 352 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Incorrect 41 ms 9152 KB Too many ways to get from 7 to 310, should be 2 found no less than 3
66 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 7 ms 2388 KB Output is correct
7 Correct 180 ms 34136 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 8 ms 1408 KB Output is correct
13 Correct 157 ms 26024 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 4 ms 1668 KB Output is correct
17 Correct 84 ms 18876 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 40 ms 8640 KB Output is correct
21 Correct 158 ms 30440 KB Output is correct
22 Correct 191 ms 29628 KB Output is correct
23 Correct 166 ms 32128 KB Output is correct
24 Correct 156 ms 26304 KB Output is correct
25 Correct 69 ms 16616 KB Output is correct
26 Correct 77 ms 15688 KB Output is correct
27 Correct 162 ms 33104 KB Output is correct
28 Correct 154 ms 26296 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 7 ms 1364 KB Output is correct
37 Correct 154 ms 25984 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 9 ms 2492 KB Output is correct
41 Correct 164 ms 36100 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 356 KB Output is correct
44 Correct 4 ms 1776 KB Output is correct
45 Correct 73 ms 20948 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 352 KB Output is correct
48 Correct 1 ms 360 KB Output is correct
49 Correct 41 ms 9200 KB Output is correct
50 Correct 161 ms 32532 KB Output is correct
51 Correct 157 ms 31936 KB Output is correct
52 Correct 168 ms 35124 KB Output is correct
53 Correct 62 ms 14392 KB Output is correct
54 Correct 65 ms 18616 KB Output is correct
55 Correct 189 ms 31856 KB Output is correct
56 Correct 169 ms 34060 KB Output is correct
57 Correct 62 ms 14376 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 0 ms 340 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 40 ms 8672 KB Output is correct
62 Correct 159 ms 30536 KB Output is correct
63 Correct 162 ms 29628 KB Output is correct
64 Correct 162 ms 32060 KB Output is correct
65 Correct 1 ms 340 KB Output is correct
66 Correct 40 ms 9188 KB Output is correct
67 Correct 174 ms 32416 KB Output is correct
68 Correct 157 ms 31912 KB Output is correct
69 Correct 174 ms 35036 KB Output is correct
70 Correct 1 ms 356 KB Output is correct
71 Correct 1 ms 340 KB Output is correct
72 Correct 1 ms 340 KB Output is correct
73 Incorrect 41 ms 9068 KB Too many ways to get from 0 to 223, should be 2 found no less than 3
74 Halted 0 ms 0 KB -