oj.uz

답안 #989618

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
989618 2024-05-28T12:19:13 Z bachhoangxuan Split the Attractions (IOI19_split) C++17
40 / 100
 89 ms 29816 KB 
#include "split.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn = 2e5+5;
#define pii pair<int,int>
#define fi first
#define se second
vector<int> edge[maxn],tree[maxn];
int low[maxn],num[maxn],sz[maxn],T;
bool del[maxn],vis[maxn];

void pre_dfs(int u,int p){
    sz[u]=1;
    low[u]=num[u]=++T;
    for(int v:edge[u]){
        if(v==p) continue;
        if(!num[v]){
            pre_dfs(v,u);
            sz[u]+=sz[v];
            tree[u].push_back(v);
            low[u]=min(low[u],low[v]);
            //cout << "tree " << u << ' ' << v << '\n';
        }
        else low[u]=min(low[u],num[v]);
    }
}

vector<int> find_split(int n, int A, int B, int C, vector<int> U, vector<int> V) {
    int m=(int)U.size();
    vector<pii> S={{A,1},{B,2},{C,3}};
    sort(S.begin(),S.end());
    for(int i=0;i<m;i++){
        edge[U[i]].push_back(V[i]);
        edge[V[i]].push_back(U[i]);
    }
    pre_dfs(0,0);

    int x=0;
    bool check=true;
    while(check){
        check=false;
        for(int v:tree[x]) if(sz[v]>=S[0].fi){
            x=v,check=true;
            break;
        }
    }
    vector<int> c(n,S[2].se);
    function<void(int)> color = [&](int u){
        vis[u]=true;
        if(S[1].fi) c[u]=S[1].se,S[1].fi--;
        for(int v:tree[u]) color(v);
    };
    function<void(int)> color2 = [&](int u){
        vis[u]=true;
        if(S[0].fi) c[u]=S[0].se,S[0].fi--;
        for(int v:edge[u]) if(!vis[v]) color2(v);
    };
    int ss=sz[x];
    for(int v:tree[x]){
        if(low[v]<=num[x] && ss-sz[v]>=S[0].fi){
            del[v]=true;
            ss-=sz[v];
        }
    }
    if(n-ss>=S[1].fi) swap(S[0],S[1]);
    if(n-ss>=S[0].fi){
        S[1].fi--;
        c[x]=S[1].se;
        vis[x]=true;
        for(int v:tree[x]) if(!del[v]) color(v);
        for(int i=0;i<n;i++) if(!vis[i]){
            color2(i);
            break;
        }
    }
    else return vector<int>(n,0);
    return c;
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 9816 KB ok, correct split
2 Correct 4 ms 9648 KB ok, correct split
3 Correct 4 ms 9820 KB ok, correct split
4 Correct 4 ms 9820 KB ok, correct split
5 Correct 4 ms 9820 KB ok, correct split
6 Correct 4 ms 9820 KB ok, correct split
7 Correct 59 ms 29208 KB ok, correct split
8 Correct 60 ms 26504 KB ok, correct split
9 Correct 56 ms 25844 KB ok, correct split
10 Correct 58 ms 29776 KB ok, correct split
11 Correct 57 ms 29780 KB ok, correct split

Subtask #2
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 9712 KB ok, correct split
2 Correct 4 ms 9820 KB ok, correct split
3 Correct 4 ms 9820 KB ok, correct split
4 Correct 73 ms 25340 KB ok, correct split
5 Correct 49 ms 19024 KB ok, correct split
6 Correct 60 ms 29816 KB ok, correct split
7 Correct 73 ms 26416 KB ok, correct split
8 Correct 89 ms 22608 KB ok, correct split
9 Correct 53 ms 19596 KB ok, correct split
10 Correct 31 ms 17752 KB ok, correct split
11 Correct 32 ms 17744 KB ok, correct split
12 Correct 35 ms 18252 KB ok, correct split

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 9820 KB ok, correct split
2 Correct 44 ms 19000 KB ok, correct split
3 Correct 21 ms 13400 KB ok, correct split
4 Correct 4 ms 9816 KB ok, correct split
5 Correct 58 ms 23496 KB ok, correct split
6 Correct 53 ms 23308 KB ok, correct split
7 Correct 48 ms 22864 KB ok, correct split
8 Correct 54 ms 24660 KB ok, correct split
9 Correct 58 ms 22872 KB ok, correct split
10 Correct 17 ms 12892 KB ok, no valid answer
11 Correct 22 ms 14560 KB ok, no valid answer
12 Correct 40 ms 18648 KB ok, no valid answer
13 Correct 42 ms 19280 KB ok, no valid answer
14 Correct 35 ms 18404 KB ok, no valid answer

Subtask #4
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 9816 KB ok, correct split
2 Correct 4 ms 9820 KB ok, no valid answer
3 Correct 4 ms 9820 KB ok, correct split
4 Correct 4 ms 9820 KB ok, correct split
5 Correct 4 ms 9820 KB ok, correct split
6 Correct 4 ms 9820 KB ok, correct split
7 Correct 4 ms 9820 KB ok, correct split
8 Correct 4 ms 9820 KB ok, correct split
9 Correct 5 ms 10076 KB ok, correct split
10 Correct 5 ms 10008 KB ok, correct split
11 Correct 5 ms 9820 KB ok, correct split
12 Correct 7 ms 10076 KB ok, correct split
13 Correct 4 ms 9820 KB ok, correct split
14 Correct 4 ms 9820 KB ok, correct split
15 Correct 5 ms 9832 KB ok, correct split
16 Correct 4 ms 9816 KB ok, correct split
17 Correct 4 ms 9652 KB ok, correct split
18 Correct 5 ms 9832 KB ok, correct split
19 Correct 4 ms 9820 KB ok, correct split
20 Correct 5 ms 9820 KB ok, correct split
21 Correct 5 ms 10076 KB ok, correct split
22 Correct 4 ms 10076 KB ok, correct split
23 Correct 5 ms 10056 KB ok, correct split
24 Correct 7 ms 10136 KB ok, correct split
25 Correct 5 ms 10072 KB ok, correct split
26 Correct 5 ms 10076 KB ok, correct split
27 Correct 6 ms 10104 KB ok, correct split
28 Correct 5 ms 10076 KB ok, correct split
29 Correct 4 ms 9820 KB ok, correct split
30 Correct 5 ms 10076 KB ok, correct split
31 Correct 5 ms 9820 KB ok, correct split
32 Correct 4 ms 9816 KB ok, correct split
33 Correct 4 ms 9820 KB ok, correct split
34 Correct 4 ms 10076 KB ok, correct split
35 Correct 5 ms 10076 KB ok, correct split
36 Correct 5 ms 9820 KB ok, correct split
37 Correct 5 ms 10076 KB ok, correct split
38 Correct 5 ms 10076 KB ok, correct split
39 Correct 5 ms 10076 KB ok, correct split
40 Correct 5 ms 10076 KB ok, correct split
41 Correct 5 ms 9820 KB ok, correct split
42 Correct 4 ms 9820 KB ok, correct split
43 Correct 6 ms 10328 KB ok, correct split
44 Correct 5 ms 10076 KB ok, correct split
45 Correct 5 ms 10072 KB ok, correct split
46 Correct 6 ms 10076 KB ok, correct split
47 Incorrect 5 ms 10072 KB invalid split: #1=800, #2=600, #3=1000
48 Halted 0 ms 0 KB -

Subtask #5
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 9816 KB ok, correct split
2 Correct 4 ms 9648 KB ok, correct split
3 Correct 4 ms 9820 KB ok, correct split
4 Correct 4 ms 9820 KB ok, correct split
5 Correct 4 ms 9820 KB ok, correct split
6 Correct 4 ms 9820 KB ok, correct split
7 Correct 59 ms 29208 KB ok, correct split
8 Correct 60 ms 26504 KB ok, correct split
9 Correct 56 ms 25844 KB ok, correct split
10 Correct 58 ms 29776 KB ok, correct split
11 Correct 57 ms 29780 KB ok, correct split
12 Correct 4 ms 9712 KB ok, correct split
13 Correct 4 ms 9820 KB ok, correct split
14 Correct 4 ms 9820 KB ok, correct split
15 Correct 73 ms 25340 KB ok, correct split
16 Correct 49 ms 19024 KB ok, correct split
17 Correct 60 ms 29816 KB ok, correct split
18 Correct 73 ms 26416 KB ok, correct split
19 Correct 89 ms 22608 KB ok, correct split
20 Correct 53 ms 19596 KB ok, correct split
21 Correct 31 ms 17752 KB ok, correct split
22 Correct 32 ms 17744 KB ok, correct split
23 Correct 35 ms 18252 KB ok, correct split
24 Correct 4 ms 9820 KB ok, correct split
25 Correct 44 ms 19000 KB ok, correct split
26 Correct 21 ms 13400 KB ok, correct split
27 Correct 4 ms 9816 KB ok, correct split
28 Correct 58 ms 23496 KB ok, correct split
29 Correct 53 ms 23308 KB ok, correct split
30 Correct 48 ms 22864 KB ok, correct split
31 Correct 54 ms 24660 KB ok, correct split
32 Correct 58 ms 22872 KB ok, correct split
33 Correct 17 ms 12892 KB ok, no valid answer
34 Correct 22 ms 14560 KB ok, no valid answer
35 Correct 40 ms 18648 KB ok, no valid answer
36 Correct 42 ms 19280 KB ok, no valid answer
37 Correct 35 ms 18404 KB ok, no valid answer
38 Correct 4 ms 9816 KB ok, correct split
39 Correct 4 ms 9820 KB ok, no valid answer
40 Correct 4 ms 9820 KB ok, correct split
41 Correct 4 ms 9820 KB ok, correct split
42 Correct 4 ms 9820 KB ok, correct split
43 Correct 4 ms 9820 KB ok, correct split
44 Correct 4 ms 9820 KB ok, correct split
45 Correct 4 ms 9820 KB ok, correct split
46 Correct 5 ms 10076 KB ok, correct split
47 Correct 5 ms 10008 KB ok, correct split
48 Correct 5 ms 9820 KB ok, correct split
49 Correct 7 ms 10076 KB ok, correct split
50 Correct 4 ms 9820 KB ok, correct split
51 Correct 4 ms 9820 KB ok, correct split
52 Correct 5 ms 9832 KB ok, correct split
53 Correct 4 ms 9816 KB ok, correct split
54 Correct 4 ms 9652 KB ok, correct split
55 Correct 5 ms 9832 KB ok, correct split
56 Correct 4 ms 9820 KB ok, correct split
57 Correct 5 ms 9820 KB ok, correct split
58 Correct 5 ms 10076 KB ok, correct split
59 Correct 4 ms 10076 KB ok, correct split
60 Correct 5 ms 10056 KB ok, correct split
61 Correct 7 ms 10136 KB ok, correct split
62 Correct 5 ms 10072 KB ok, correct split
63 Correct 5 ms 10076 KB ok, correct split
64 Correct 6 ms 10104 KB ok, correct split
65 Correct 5 ms 10076 KB ok, correct split
66 Correct 4 ms 9820 KB ok, correct split
67 Correct 5 ms 10076 KB ok, correct split
68 Correct 5 ms 9820 KB ok, correct split
69 Correct 4 ms 9816 KB ok, correct split
70 Correct 4 ms 9820 KB ok, correct split
71 Correct 4 ms 10076 KB ok, correct split
72 Correct 5 ms 10076 KB ok, correct split
73 Correct 5 ms 9820 KB ok, correct split
74 Correct 5 ms 10076 KB ok, correct split
75 Correct 5 ms 10076 KB ok, correct split
76 Correct 5 ms 10076 KB ok, correct split
77 Correct 5 ms 10076 KB ok, correct split
78 Correct 5 ms 9820 KB ok, correct split
79 Correct 4 ms 9820 KB ok, correct split
80 Correct 6 ms 10328 KB ok, correct split
81 Correct 5 ms 10076 KB ok, correct split
82 Correct 5 ms 10072 KB ok, correct split
83 Correct 6 ms 10076 KB ok, correct split
84 Incorrect 5 ms 10072 KB invalid split: #1=800, #2=600, #3=1000
85 Halted 0 ms 0 KB -