oj.uz

답안 #768439

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
768439 2023-06-28T07:23:21 Z Khizri 슈퍼트리 잇기 (IOI20_supertrees) C++17
21 / 100
 172 ms 34120 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){
                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

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 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 1 ms 340 KB Output is correct
6 Correct 7 ms 2388 KB Output is correct
7 Correct 158 ms 34120 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 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 1 ms 340 KB Output is correct
6 Correct 7 ms 2388 KB Output is correct
7 Correct 158 ms 34120 KB Output is correct
8 Correct 0 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 0 ms 340 KB Output is correct
12 Correct 7 ms 1364 KB Output is correct
13 Correct 157 ms 26052 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 1748 KB Output is correct
17 Correct 72 ms 18880 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 38 ms 8672 KB Output is correct
21 Correct 157 ms 30536 KB Output is correct
22 Correct 152 ms 29644 KB Output is correct
23 Correct 162 ms 32076 KB Output is correct
24 Correct 150 ms 26296 KB Output is correct
25 Correct 64 ms 16584 KB Output is correct
26 Correct 63 ms 15672 KB Output is correct
27 Correct 157 ms 33092 KB Output is correct
28 Correct 149 ms 26196 KB Output is correct

Subtask #3
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 1 ms 340 KB Output is correct
7 Correct 1 ms 352 KB Output is correct
8 Correct 7 ms 1488 KB Output is correct
9 Correct 154 ms 27964 KB Output is correct
10 Incorrect 1 ms 340 KB Too many ways to get from 0 to 3, should be 2 found no less than 3
11 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 39 ms 8652 KB Output is correct
5 Correct 153 ms 30460 KB Output is correct
6 Correct 150 ms 29640 KB Output is correct
7 Correct 172 ms 32060 KB Output is correct
8 Incorrect 0 ms 340 KB Too many ways to get from 0 to 2, should be 2 found no less than 3
9 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 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 1 ms 340 KB Output is correct
6 Correct 7 ms 2388 KB Output is correct
7 Correct 158 ms 34120 KB Output is correct
8 Correct 0 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 0 ms 340 KB Output is correct
12 Correct 7 ms 1364 KB Output is correct
13 Correct 157 ms 26052 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 1748 KB Output is correct
17 Correct 72 ms 18880 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 38 ms 8672 KB Output is correct
21 Correct 157 ms 30536 KB Output is correct
22 Correct 152 ms 29644 KB Output is correct
23 Correct 162 ms 32076 KB Output is correct
24 Correct 150 ms 26296 KB Output is correct
25 Correct 64 ms 16584 KB Output is correct
26 Correct 63 ms 15672 KB Output is correct
27 Correct 157 ms 33092 KB Output is correct
28 Correct 149 ms 26196 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 352 KB Output is correct
36 Correct 7 ms 1488 KB Output is correct
37 Correct 154 ms 27964 KB Output is correct
38 Incorrect 1 ms 340 KB Too many ways to get from 0 to 3, should be 2 found no less than 3
39 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 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 1 ms 340 KB Output is correct
6 Correct 7 ms 2388 KB Output is correct
7 Correct 158 ms 34120 KB Output is correct
8 Correct 0 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 0 ms 340 KB Output is correct
12 Correct 7 ms 1364 KB Output is correct
13 Correct 157 ms 26052 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 1748 KB Output is correct
17 Correct 72 ms 18880 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 38 ms 8672 KB Output is correct
21 Correct 157 ms 30536 KB Output is correct
22 Correct 152 ms 29644 KB Output is correct
23 Correct 162 ms 32076 KB Output is correct
24 Correct 150 ms 26296 KB Output is correct
25 Correct 64 ms 16584 KB Output is correct
26 Correct 63 ms 15672 KB Output is correct
27 Correct 157 ms 33092 KB Output is correct
28 Correct 149 ms 26196 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 352 KB Output is correct
36 Correct 7 ms 1488 KB Output is correct
37 Correct 154 ms 27964 KB Output is correct
38 Incorrect 1 ms 340 KB Too many ways to get from 0 to 3, should be 2 found no less than 3
39 Halted 0 ms 0 KB -