oj.uz

답안 #598707

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
598707 2022-07-18T18:17:59 Z alirezasamimi100 Split the Attractions (IOI19_split) C++17
100 / 100
 106 ms 20224 KB 
#include "split.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define F first
#define S second
using pii = pair<int,int>;

const int N = 1e5 + 10;

int n,a,b,c,sz[N],f[N],dp[N],h[N],np[N],t=1,k,r,l;
vector<int> adj[N],ans;
void dfs(int v, int p){
    f[v]=1;
    sz[v]=1;
    dp[v]=h[v];
    int fl=1;
    for(int u : adj[v]){
        if(u==p) continue;
        if(f[u]) dp[v]=min(dp[v],h[u]);
        else{
            h[u]=h[v]+1;
            dfs(u,v);
            dp[v]=min(dp[v],dp[u]);
            sz[v]+=sz[u];
            if(sz[u]>=a) fl=0;
        }
    }
    if(sz[v]>=a && fl){
        k=sz[v];
        r=v;
        for(int u : adj[v]){
            if(h[u]!=h[v]+1 || dp[u]>=h[v]) continue;
            if(k-sz[u]>=a){
                np[u]=1;
                k-=sz[u];
            }
        }
        if(n-k<a) t=0;
    }
}

void sfd(int v){
    if(l==1 && a){
        a--;
        ans[v]=1;
    }else if(l==2 && b){
        b--;
        ans[v]=2;
    }else{
        ans[v]=3;
    }
    for(int u : adj[v]){
        if(h[u]==h[v]+1 && !np[u]) sfd(u);
    }
}

void solve(int v){
    if(l==1 && b){
        b--;
        ans[v]=2;
    }else if(l==2 && a){
        a--;
        ans[v]=1;
    }else ans[v]=3;
    for(int u : adj[v]){
        if(ans[u]) continue;
        solve(u);
    }
}

vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
    ::n=n;
    vector<pii> wtf={{a,1},{b,2},{c,3}};
    sort(wtf.begin(),wtf.end());
    a=::a=wtf[0].F;
    b=::b=wtf[1].F;
    c=::c=wtf[2].F;
    ans.resize(n);
    for(int i=0; i<(int)p.size(); i++){
        adj[p[i]].pb(q[i]);
        adj[q[i]].pb(p[i]);
    }
    dfs(0,-1);
    if(!t) return ans;
    if(n-k>=b) l=1;
    else l=2;
    sfd(r);
    solve(0);
    for(int i=0; i<n; i++) ans[i]=wtf[ans[i]-1].S;
    return ans;
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB ok, correct split
2 Correct 2 ms 2644 KB ok, correct split
3 Correct 2 ms 2644 KB ok, correct split
4 Correct 2 ms 2644 KB ok, correct split
5 Correct 2 ms 2644 KB ok, correct split
6 Correct 2 ms 2644 KB ok, correct split
7 Correct 76 ms 19696 KB ok, correct split
8 Correct 72 ms 16972 KB ok, correct split
9 Correct 78 ms 16132 KB ok, correct split
10 Correct 72 ms 20164 KB ok, correct split
11 Correct 73 ms 20172 KB ok, correct split

Subtask #2
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB ok, correct split
2 Correct 2 ms 2644 KB ok, correct split
3 Correct 1 ms 2644 KB ok, correct split
4 Correct 101 ms 16752 KB ok, correct split
5 Correct 56 ms 10832 KB ok, correct split
6 Correct 74 ms 20224 KB ok, correct split
7 Correct 74 ms 16816 KB ok, correct split
8 Correct 101 ms 14208 KB ok, correct split
9 Correct 65 ms 10856 KB ok, correct split
10 Correct 47 ms 10848 KB ok, correct split
11 Correct 49 ms 10740 KB ok, correct split
12 Correct 58 ms 11236 KB ok, correct split

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB ok, correct split
2 Correct 59 ms 10856 KB ok, correct split
3 Correct 20 ms 5996 KB ok, correct split
4 Correct 2 ms 2644 KB ok, correct split
5 Correct 71 ms 13984 KB ok, correct split
6 Correct 74 ms 13660 KB ok, correct split
7 Correct 72 ms 13448 KB ok, correct split
8 Correct 73 ms 15036 KB ok, correct split
9 Correct 70 ms 13160 KB ok, correct split
10 Correct 16 ms 5332 KB ok, no valid answer
11 Correct 24 ms 6764 KB ok, no valid answer
12 Correct 50 ms 11028 KB ok, no valid answer
13 Correct 51 ms 10980 KB ok, no valid answer
14 Correct 41 ms 11232 KB ok, no valid answer

Subtask #4
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB ok, correct split
2 Correct 1 ms 2660 KB ok, no valid answer
3 Correct 1 ms 2644 KB ok, correct split
4 Correct 1 ms 2644 KB ok, correct split
5 Correct 2 ms 2644 KB ok, correct split
6 Correct 2 ms 2644 KB ok, correct split
7 Correct 2 ms 2644 KB ok, correct split
8 Correct 2 ms 2668 KB ok, correct split
9 Correct 3 ms 3028 KB ok, correct split
10 Correct 3 ms 2900 KB ok, correct split
11 Correct 2 ms 2644 KB ok, correct split
12 Correct 3 ms 2900 KB ok, correct split
13 Correct 2 ms 2660 KB ok, correct split
14 Correct 2 ms 2644 KB ok, correct split
15 Correct 2 ms 2668 KB ok, correct split
16 Correct 2 ms 2668 KB ok, correct split
17 Correct 2 ms 2644 KB ok, correct split
18 Correct 2 ms 2644 KB ok, correct split
19 Correct 2 ms 2644 KB ok, correct split
20 Correct 3 ms 2772 KB ok, correct split
21 Correct 3 ms 2932 KB ok, correct split
22 Correct 3 ms 2808 KB ok, correct split
23 Correct 3 ms 2900 KB ok, correct split
24 Correct 3 ms 2932 KB ok, correct split
25 Correct 3 ms 3028 KB ok, correct split
26 Correct 4 ms 2976 KB ok, correct split
27 Correct 3 ms 2932 KB ok, correct split
28 Correct 3 ms 2932 KB ok, correct split
29 Correct 2 ms 2644 KB ok, correct split
30 Correct 3 ms 2900 KB ok, correct split
31 Correct 2 ms 2676 KB ok, correct split
32 Correct 2 ms 2644 KB ok, correct split
33 Correct 2 ms 2644 KB ok, correct split
34 Correct 3 ms 2800 KB ok, correct split
35 Correct 3 ms 2820 KB ok, correct split
36 Correct 3 ms 2772 KB ok, correct split
37 Correct 4 ms 2900 KB ok, correct split
38 Correct 4 ms 2900 KB ok, correct split
39 Correct 4 ms 2868 KB ok, correct split
40 Correct 3 ms 2876 KB ok, correct split
41 Correct 3 ms 2808 KB ok, correct split
42 Correct 3 ms 2776 KB ok, correct split
43 Correct 3 ms 2932 KB ok, correct split
44 Correct 4 ms 2936 KB ok, correct split
45 Correct 3 ms 2900 KB ok, correct split
46 Correct 3 ms 2900 KB ok, correct split
47 Correct 3 ms 2908 KB ok, no valid answer
48 Correct 3 ms 2772 KB ok, correct split
49 Correct 3 ms 2932 KB ok, correct split
50 Correct 2 ms 2644 KB ok, no valid answer
51 Correct 1 ms 2660 KB ok, no valid answer
52 Correct 3 ms 2772 KB ok, no valid answer
53 Correct 3 ms 2932 KB ok, no valid answer
54 Correct 3 ms 2836 KB ok, no valid answer
55 Correct 3 ms 2900 KB ok, no valid answer
56 Correct 3 ms 2800 KB ok, no valid answer

Subtask #5
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB ok, correct split
2 Correct 2 ms 2644 KB ok, correct split
3 Correct 2 ms 2644 KB ok, correct split
4 Correct 2 ms 2644 KB ok, correct split
5 Correct 2 ms 2644 KB ok, correct split
6 Correct 2 ms 2644 KB ok, correct split
7 Correct 76 ms 19696 KB ok, correct split
8 Correct 72 ms 16972 KB ok, correct split
9 Correct 78 ms 16132 KB ok, correct split
10 Correct 72 ms 20164 KB ok, correct split
11 Correct 73 ms 20172 KB ok, correct split
12 Correct 2 ms 2644 KB ok, correct split
13 Correct 2 ms 2644 KB ok, correct split
14 Correct 1 ms 2644 KB ok, correct split
15 Correct 101 ms 16752 KB ok, correct split
16 Correct 56 ms 10832 KB ok, correct split
17 Correct 74 ms 20224 KB ok, correct split
18 Correct 74 ms 16816 KB ok, correct split
19 Correct 101 ms 14208 KB ok, correct split
20 Correct 65 ms 10856 KB ok, correct split
21 Correct 47 ms 10848 KB ok, correct split
22 Correct 49 ms 10740 KB ok, correct split
23 Correct 58 ms 11236 KB ok, correct split
24 Correct 2 ms 2644 KB ok, correct split
25 Correct 59 ms 10856 KB ok, correct split
26 Correct 20 ms 5996 KB ok, correct split
27 Correct 2 ms 2644 KB ok, correct split
28 Correct 71 ms 13984 KB ok, correct split
29 Correct 74 ms 13660 KB ok, correct split
30 Correct 72 ms 13448 KB ok, correct split
31 Correct 73 ms 15036 KB ok, correct split
32 Correct 70 ms 13160 KB ok, correct split
33 Correct 16 ms 5332 KB ok, no valid answer
34 Correct 24 ms 6764 KB ok, no valid answer
35 Correct 50 ms 11028 KB ok, no valid answer
36 Correct 51 ms 10980 KB ok, no valid answer
37 Correct 41 ms 11232 KB ok, no valid answer
38 Correct 2 ms 2644 KB ok, correct split
39 Correct 1 ms 2660 KB ok, no valid answer
40 Correct 1 ms 2644 KB ok, correct split
41 Correct 1 ms 2644 KB ok, correct split
42 Correct 2 ms 2644 KB ok, correct split
43 Correct 2 ms 2644 KB ok, correct split
44 Correct 2 ms 2644 KB ok, correct split
45 Correct 2 ms 2668 KB ok, correct split
46 Correct 3 ms 3028 KB ok, correct split
47 Correct 3 ms 2900 KB ok, correct split
48 Correct 2 ms 2644 KB ok, correct split
49 Correct 3 ms 2900 KB ok, correct split
50 Correct 2 ms 2660 KB ok, correct split
51 Correct 2 ms 2644 KB ok, correct split
52 Correct 2 ms 2668 KB ok, correct split
53 Correct 2 ms 2668 KB ok, correct split
54 Correct 2 ms 2644 KB ok, correct split
55 Correct 2 ms 2644 KB ok, correct split
56 Correct 2 ms 2644 KB ok, correct split
57 Correct 3 ms 2772 KB ok, correct split
58 Correct 3 ms 2932 KB ok, correct split
59 Correct 3 ms 2808 KB ok, correct split
60 Correct 3 ms 2900 KB ok, correct split
61 Correct 3 ms 2932 KB ok, correct split
62 Correct 3 ms 3028 KB ok, correct split
63 Correct 4 ms 2976 KB ok, correct split
64 Correct 3 ms 2932 KB ok, correct split
65 Correct 3 ms 2932 KB ok, correct split
66 Correct 2 ms 2644 KB ok, correct split
67 Correct 3 ms 2900 KB ok, correct split
68 Correct 2 ms 2676 KB ok, correct split
69 Correct 2 ms 2644 KB ok, correct split
70 Correct 2 ms 2644 KB ok, correct split
71 Correct 3 ms 2800 KB ok, correct split
72 Correct 3 ms 2820 KB ok, correct split
73 Correct 3 ms 2772 KB ok, correct split
74 Correct 4 ms 2900 KB ok, correct split
75 Correct 4 ms 2900 KB ok, correct split
76 Correct 4 ms 2868 KB ok, correct split
77 Correct 3 ms 2876 KB ok, correct split
78 Correct 3 ms 2808 KB ok, correct split
79 Correct 3 ms 2776 KB ok, correct split
80 Correct 3 ms 2932 KB ok, correct split
81 Correct 4 ms 2936 KB ok, correct split
82 Correct 3 ms 2900 KB ok, correct split
83 Correct 3 ms 2900 KB ok, correct split
84 Correct 3 ms 2908 KB ok, no valid answer
85 Correct 3 ms 2772 KB ok, correct split
86 Correct 3 ms 2932 KB ok, correct split
87 Correct 2 ms 2644 KB ok, no valid answer
88 Correct 1 ms 2660 KB ok, no valid answer
89 Correct 3 ms 2772 KB ok, no valid answer
90 Correct 3 ms 2932 KB ok, no valid answer
91 Correct 3 ms 2836 KB ok, no valid answer
92 Correct 3 ms 2900 KB ok, no valid answer
93 Correct 3 ms 2800 KB ok, no valid answer
94 Correct 71 ms 14272 KB ok, correct split
95 Correct 105 ms 20184 KB ok, correct split
96 Correct 100 ms 18180 KB ok, correct split
97 Correct 21 ms 5980 KB ok, correct split
98 Correct 24 ms 6208 KB ok, correct split
99 Correct 37 ms 8916 KB ok, correct split
100 Correct 106 ms 14856 KB ok, correct split
101 Correct 96 ms 13772 KB ok, correct split
102 Correct 75 ms 13344 KB ok, correct split
103 Correct 70 ms 12868 KB ok, correct split
104 Correct 75 ms 14424 KB ok, correct split
105 Correct 33 ms 8072 KB ok, correct split
106 Correct 75 ms 14676 KB ok, correct split
107 Correct 57 ms 11296 KB ok, correct split
108 Correct 59 ms 11108 KB ok, correct split
109 Correct 106 ms 14652 KB ok, correct split
110 Correct 90 ms 14324 KB ok, correct split
111 Correct 95 ms 14288 KB ok, correct split
112 Correct 91 ms 14660 KB ok, correct split
113 Correct 90 ms 14396 KB ok, correct split
114 Correct 9 ms 4180 KB ok, correct split
115 Correct 9 ms 3936 KB ok, correct split
116 Correct 95 ms 14264 KB ok, correct split
117 Correct 100 ms 14148 KB ok, correct split
118 Correct 64 ms 10992 KB ok, correct split
119 Correct 56 ms 10848 KB ok, correct split
120 Correct 76 ms 15724 KB ok, correct split
121 Correct 56 ms 10864 KB ok, no valid answer
122 Correct 49 ms 10976 KB ok, no valid answer
123 Correct 88 ms 15104 KB ok, no valid answer
124 Correct 90 ms 15016 KB ok, no valid answer
125 Correct 63 ms 11980 KB ok, no valid answer
126 Correct 37 ms 10396 KB ok, no valid answer
127 Correct 65 ms 12520 KB ok, no valid answer