oj.uz

Submission #989616

# Submission time Handle Problem Language Result Execution time Memory
989616 2024-05-28T12:13:11 Z bachhoangxuan Split the Attractions (IOI19_split) C++17
40 / 100
 66 ms 29772 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];

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,int,int)> color = [&](int u,int t,int a){
        if(!S[t].fi || u==a) return;
        c[u]=S[t].se;S[t].fi--;
        for(int v:tree[u]) color(v,t,a);
    };
    //cout << x << '\n';
    int ss=sz[x];
    for(int v:tree[x]){
        if(low[v]<=num[x] && ss-sz[v]>=S[0].fi){
            //cout << "del " << v << '\n';
            del[v]=true;
            ss-=sz[v];
        }
    }
    if(n-ss>=S[1].fi) swap(S[0],S[1]);
    if(n-ss>=S[0].fi){
        color(0,0,x);
        S[1].fi--;c[x]=S[1].se;
        for(int v:tree[x]){
            if(!del[v]) color(v,1,-1);
            else color(v,0,-1);
        }
    }
    else return vector<int>(n,0);
    return c;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9816 KB ok, correct split
2 Correct 4 ms 9820 KB ok, correct split
3 Correct 6 ms 9820 KB ok, correct split
4 Correct 5 ms 9820 KB ok, correct split
5 Correct 4 ms 9816 KB ok, correct split
6 Correct 4 ms 9820 KB ok, correct split
7 Correct 58 ms 29136 KB ok, correct split
8 Correct 53 ms 26452 KB ok, correct split
9 Correct 51 ms 25704 KB ok, correct split
10 Correct 55 ms 29772 KB ok, correct split
11 Correct 53 ms 29524 KB ok, correct split

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9816 KB ok, correct split
2 Correct 4 ms 9820 KB ok, correct split
3 Correct 4 ms 9820 KB ok, correct split
4 Correct 61 ms 25172 KB ok, correct split
5 Correct 45 ms 18772 KB ok, correct split
6 Correct 53 ms 29520 KB ok, correct split
7 Correct 55 ms 26196 KB ok, correct split
8 Correct 66 ms 22612 KB ok, correct split
9 Correct 47 ms 19536 KB ok, correct split
10 Correct 40 ms 17540 KB ok, correct split
11 Correct 43 ms 17748 KB ok, correct split
12 Correct 32 ms 18000 KB ok, correct split

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9820 KB ok, correct split
2 Correct 47 ms 18848 KB ok, correct split
3 Correct 21 ms 13404 KB ok, correct split
4 Correct 4 ms 9816 KB ok, correct split
5 Correct 51 ms 23316 KB ok, correct split
6 Correct 54 ms 23000 KB ok, correct split
7 Correct 54 ms 22864 KB ok, correct split
8 Correct 56 ms 24404 KB ok, correct split
9 Correct 51 ms 22864 KB ok, correct split
10 Correct 17 ms 12892 KB ok, no valid answer
11 Correct 22 ms 14428 KB ok, no valid answer
12 Correct 36 ms 18640 KB ok, no valid answer
13 Correct 43 ms 19280 KB ok, no valid answer
14 Correct 45 ms 18764 KB ok, no valid answer

Subtask #4
0 / 24.0

# Verdict Execution time Memory 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 3 ms 9820 KB ok, correct split
8 Correct 4 ms 9816 KB ok, correct split
9 Correct 5 ms 10076 KB ok, correct split
10 Correct 5 ms 9904 KB ok, correct split
11 Correct 4 ms 9820 KB ok, correct split
12 Correct 7 ms 10124 KB ok, correct split
13 Correct 6 ms 9820 KB ok, correct split
14 Correct 4 ms 9820 KB ok, correct split
15 Correct 4 ms 9820 KB ok, correct split
16 Correct 4 ms 9836 KB ok, correct split
17 Correct 4 ms 9820 KB ok, correct split
18 Correct 4 ms 9676 KB ok, correct split
19 Correct 4 ms 9820 KB ok, correct split
20 Correct 4 ms 9820 KB ok, correct split
21 Correct 5 ms 10012 KB ok, correct split
22 Correct 5 ms 10076 KB ok, correct split
23 Correct 5 ms 10076 KB ok, correct split
24 Correct 5 ms 10100 KB ok, correct split
25 Correct 5 ms 10076 KB ok, correct split
26 Correct 5 ms 9972 KB ok, correct split
27 Correct 6 ms 10076 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 9816 KB ok, correct split
32 Correct 4 ms 9820 KB ok, correct split
33 Correct 4 ms 9740 KB ok, correct split
34 Correct 5 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 10072 KB ok, correct split
40 Correct 6 ms 10072 KB ok, correct split
41 Correct 7 ms 9820 KB ok, correct split
42 Correct 4 ms 9916 KB ok, correct split
43 Correct 5 ms 10076 KB ok, correct split
44 Correct 6 ms 10072 KB ok, correct split
45 Correct 6 ms 10076 KB ok, correct split
46 Correct 5 ms 10076 KB ok, correct split
47 Incorrect 5 ms 10076 KB 2 components are not connected
48 Halted 0 ms 0 KB -

Subtask #5
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9816 KB ok, correct split
2 Correct 4 ms 9820 KB ok, correct split
3 Correct 6 ms 9820 KB ok, correct split
4 Correct 5 ms 9820 KB ok, correct split
5 Correct 4 ms 9816 KB ok, correct split
6 Correct 4 ms 9820 KB ok, correct split
7 Correct 58 ms 29136 KB ok, correct split
8 Correct 53 ms 26452 KB ok, correct split
9 Correct 51 ms 25704 KB ok, correct split
10 Correct 55 ms 29772 KB ok, correct split
11 Correct 53 ms 29524 KB ok, correct split
12 Correct 4 ms 9816 KB ok, correct split
13 Correct 4 ms 9820 KB ok, correct split
14 Correct 4 ms 9820 KB ok, correct split
15 Correct 61 ms 25172 KB ok, correct split
16 Correct 45 ms 18772 KB ok, correct split
17 Correct 53 ms 29520 KB ok, correct split
18 Correct 55 ms 26196 KB ok, correct split
19 Correct 66 ms 22612 KB ok, correct split
20 Correct 47 ms 19536 KB ok, correct split
21 Correct 40 ms 17540 KB ok, correct split
22 Correct 43 ms 17748 KB ok, correct split
23 Correct 32 ms 18000 KB ok, correct split
24 Correct 4 ms 9820 KB ok, correct split
25 Correct 47 ms 18848 KB ok, correct split
26 Correct 21 ms 13404 KB ok, correct split
27 Correct 4 ms 9816 KB ok, correct split
28 Correct 51 ms 23316 KB ok, correct split
29 Correct 54 ms 23000 KB ok, correct split
30 Correct 54 ms 22864 KB ok, correct split
31 Correct 56 ms 24404 KB ok, correct split
32 Correct 51 ms 22864 KB ok, correct split
33 Correct 17 ms 12892 KB ok, no valid answer
34 Correct 22 ms 14428 KB ok, no valid answer
35 Correct 36 ms 18640 KB ok, no valid answer
36 Correct 43 ms 19280 KB ok, no valid answer
37 Correct 45 ms 18764 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 3 ms 9820 KB ok, correct split
45 Correct 4 ms 9816 KB ok, correct split
46 Correct 5 ms 10076 KB ok, correct split
47 Correct 5 ms 9904 KB ok, correct split
48 Correct 4 ms 9820 KB ok, correct split
49 Correct 7 ms 10124 KB ok, correct split
50 Correct 6 ms 9820 KB ok, correct split
51 Correct 4 ms 9820 KB ok, correct split
52 Correct 4 ms 9820 KB ok, correct split
53 Correct 4 ms 9836 KB ok, correct split
54 Correct 4 ms 9820 KB ok, correct split
55 Correct 4 ms 9676 KB ok, correct split
56 Correct 4 ms 9820 KB ok, correct split
57 Correct 4 ms 9820 KB ok, correct split
58 Correct 5 ms 10012 KB ok, correct split
59 Correct 5 ms 10076 KB ok, correct split
60 Correct 5 ms 10076 KB ok, correct split
61 Correct 5 ms 10100 KB ok, correct split
62 Correct 5 ms 10076 KB ok, correct split
63 Correct 5 ms 9972 KB ok, correct split
64 Correct 6 ms 10076 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 9816 KB ok, correct split
69 Correct 4 ms 9820 KB ok, correct split
70 Correct 4 ms 9740 KB ok, correct split
71 Correct 5 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 10072 KB ok, correct split
77 Correct 6 ms 10072 KB ok, correct split
78 Correct 7 ms 9820 KB ok, correct split
79 Correct 4 ms 9916 KB ok, correct split
80 Correct 5 ms 10076 KB ok, correct split
81 Correct 6 ms 10072 KB ok, correct split
82 Correct 6 ms 10076 KB ok, correct split
83 Correct 5 ms 10076 KB ok, correct split
84 Incorrect 5 ms 10076 KB 2 components are not connected
85 Halted 0 ms 0 KB -