oj.uz

Submission #825280

# Submission time Handle Problem Language Result Execution time Memory
825280 2023-08-14T16:38:54 Z vjudge1 Split the Attractions (IOI19_split) C++14
100 / 100
 112 ms 26440 KB 
#include<bits/stdc++.h>
#include "split.h"
#define fi first
#define se second
#define ll long long
using namespace std ;
const int N = 1e5 ;
bool us[N + 1] ;
int vert, sz[N + 1], ind[N + 1] ;
vector<int> ts, res, v[N + 1], other[N + 1], tree[N + 1] ;
void ultra_clear()
{
    for(int i = 0 ; i < N ; i++)
        us[i] = 0 ;
}
void build_tree(int city)
{
    us[city] = 1 ;
    for(int i : v[city])
    {
        if(us[i])
            continue ;
        tree[city].push_back(i) ;
        build_tree(i) ;
    }
}
void dfs_for_tree(int city, int a1)
{
    ind[city] = ts.size() ;
    ts.push_back(city) ;
    sz[city]++ ;
    int mx = 0 ;
    for(int i : tree[city])
    {
        dfs_for_tree(i, a1) ;
        mx = max(mx, sz[i]) ;
        sz[city] += sz[i] ;
    }
    if(mx < a1 && sz[city] >= a1)
        vert = city ;
}
void dfs_color(int city, int &cnt, int color)
{
    us[city] = 1 ;
    if(cnt)
    {
        cnt-- ;
        res[city] = color ;
    }
    for(int i : tree[city])
    {
        if(us[i])
            continue ;
        dfs_color(i, cnt, color) ;
    }
}
vector<int> find_split(int n, int a, int b, int c, vector<int> fr, vector<int> to)
{
    vector<pair<int, int>> all = {{a, 1}, {b, 2}, {c, 3}} ;
    sort(all.begin(), all.end()) ;
    int m = fr.size() ;
    for(int i = 0 ; i < n ; i++)
        res.push_back(0) ;
    for(int i = 0 ; i < m ; i++)
    {
        v[fr[i]].push_back(to[i]) ;
        v[to[i]].push_back(fr[i]) ;
    }
    build_tree(0) ;
    dfs_for_tree(0, all[0].fi) ;
    for(int i = 0 ; i < m ; i++)
    {
        int f = fr[i], t = to[i] ;
        if(ind[vert] <= ind[f] && ind[f] < ind[vert] + sz[vert] && ind[t] < ind[vert])
            other[f].push_back(t) ;
        if(ind[vert] <= ind[t] && ind[t] < ind[vert] + sz[vert] && ind[f] < ind[vert])
            other[t].push_back(f) ;
    }
    vector<int> del ;
    for(int i = ind[vert] + 1 ; i < ind[vert] + sz[vert] ; i++)
    {
        int now = ts[i] ;
        if(sz[vert] - sz[now] >= all[0].fi && other[now].size())
        {
            del.push_back(now) ;
            tree[other[now][0]].push_back(now) ;
            us[now] = 1 ;
            sz[vert] -= sz[now] ;
            i = ind[now] + sz[now] - 1 ;
        }
    }
    if(sz[vert] >= all[0].fi && n - sz[vert] >= all[1].fi)
    {
        ultra_clear() ;
        for(int i : del)
            us[i] = 1 ;
        dfs_color(vert, all[0].fi, all[0].se) ;
        for(int i : del)
            us[i] = 0 ;
        dfs_color(0, all[1].fi, all[1].se) ;
        for(int i = 0 ; i < n ; i++)
            if(!res[i])
                res[i] = all[2].se ;
    }
    else
    {
        if(sz[vert] >= all[1].fi && n - sz[vert] >= all[0].fi)
        {
            ultra_clear() ;
            for(int i : del)
                us[i] = 1 ;
            dfs_color(vert, all[1].fi, all[1].se) ;
            for(int i : del)
                us[i] = 0 ;
            dfs_color(0, all[0].fi, all[0].se) ;
            for(int i = 0 ; i < n ; i++)
                if(!res[i])
                    res[i] = all[2].se ;
        }
    }
    return res ;
}
//signed main()
//{
//    ios_base::sync_with_stdio( 0 ) ;
//    cin.tie( 0 ) ;
//    cout.tie( 0 ) ;
//    int n, m, a, b, c ;
//    cin >> n >> a >> b >> c >> m ;
//    vector<int> fr(m), to(m) ;
//    for(int i = 0 ; i < m ; i++)
//        cin >> fr[i] >> to[i] ;
//    vector<int> ans = find_split(n, a, b, c, fr, to) ;
//    for(int i : ans)
//        cout << i << ' ' ;
//    return 0 ;
//}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7380 KB ok, correct split
2 Correct 3 ms 7352 KB ok, correct split
3 Correct 3 ms 7380 KB ok, correct split
4 Correct 4 ms 7352 KB ok, correct split
5 Correct 3 ms 7380 KB ok, correct split
6 Correct 3 ms 7352 KB ok, correct split
7 Correct 65 ms 24948 KB ok, correct split
8 Correct 70 ms 22700 KB ok, correct split
9 Correct 75 ms 22084 KB ok, correct split
10 Correct 97 ms 25320 KB ok, correct split
11 Correct 65 ms 25336 KB ok, correct split

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7356 KB ok, correct split
2 Correct 3 ms 7380 KB ok, correct split
3 Correct 3 ms 7380 KB ok, correct split
4 Correct 72 ms 21184 KB ok, correct split
5 Correct 53 ms 16092 KB ok, correct split
6 Correct 62 ms 25320 KB ok, correct split
7 Correct 77 ms 22512 KB ok, correct split
8 Correct 81 ms 18948 KB ok, correct split
9 Correct 59 ms 17592 KB ok, correct split
10 Correct 42 ms 15204 KB ok, correct split
11 Correct 41 ms 15244 KB ok, correct split
12 Correct 46 ms 15368 KB ok, correct split

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7352 KB ok, correct split
2 Correct 63 ms 16096 KB ok, correct split
3 Correct 23 ms 11416 KB ok, correct split
4 Correct 5 ms 7352 KB ok, correct split
5 Correct 62 ms 21044 KB ok, correct split
6 Correct 57 ms 20804 KB ok, correct split
7 Correct 57 ms 20676 KB ok, correct split
8 Correct 60 ms 21972 KB ok, correct split
9 Correct 64 ms 20444 KB ok, correct split
10 Correct 18 ms 10680 KB ok, no valid answer
11 Correct 26 ms 12152 KB ok, no valid answer
12 Correct 44 ms 16460 KB ok, no valid answer
13 Correct 52 ms 16968 KB ok, no valid answer
14 Correct 42 ms 16060 KB ok, no valid answer

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7380 KB ok, correct split
2 Correct 3 ms 7352 KB ok, no valid answer
3 Correct 3 ms 7372 KB ok, correct split
4 Correct 3 ms 7380 KB ok, correct split
5 Correct 3 ms 7360 KB ok, correct split
6 Correct 3 ms 7432 KB ok, correct split
7 Correct 3 ms 7380 KB ok, correct split
8 Correct 3 ms 7356 KB ok, correct split
9 Correct 5 ms 7752 KB ok, correct split
10 Correct 5 ms 7752 KB ok, correct split
11 Correct 5 ms 7508 KB ok, correct split
12 Correct 7 ms 7764 KB ok, correct split
13 Correct 3 ms 7380 KB ok, correct split
14 Correct 3 ms 7380 KB ok, correct split
15 Correct 3 ms 7352 KB ok, correct split
16 Correct 3 ms 7360 KB ok, correct split
17 Correct 3 ms 7380 KB ok, correct split
18 Correct 3 ms 7352 KB ok, correct split
19 Correct 4 ms 7508 KB ok, correct split
20 Correct 4 ms 7492 KB ok, correct split
21 Correct 4 ms 7764 KB ok, correct split
22 Correct 4 ms 7764 KB ok, correct split
23 Correct 4 ms 7756 KB ok, correct split
24 Correct 5 ms 7752 KB ok, correct split
25 Correct 4 ms 7764 KB ok, correct split
26 Correct 5 ms 7772 KB ok, correct split
27 Correct 5 ms 7804 KB ok, correct split
28 Correct 5 ms 7692 KB ok, correct split
29 Correct 4 ms 7380 KB ok, correct split
30 Correct 7 ms 7764 KB ok, correct split
31 Correct 4 ms 7508 KB ok, correct split
32 Correct 4 ms 7484 KB ok, correct split
33 Correct 4 ms 7408 KB ok, correct split
34 Correct 5 ms 7624 KB ok, correct split
35 Correct 4 ms 7616 KB ok, correct split
36 Correct 5 ms 7636 KB ok, correct split
37 Correct 5 ms 7764 KB ok, correct split
38 Correct 5 ms 7892 KB ok, correct split
39 Correct 5 ms 7816 KB ok, correct split
40 Correct 6 ms 7756 KB ok, correct split
41 Correct 5 ms 7508 KB ok, correct split
42 Correct 4 ms 7508 KB ok, correct split
43 Correct 5 ms 7764 KB ok, correct split
44 Correct 6 ms 7712 KB ok, correct split
45 Correct 5 ms 7860 KB ok, correct split
46 Correct 4 ms 7752 KB ok, correct split
47 Correct 5 ms 7636 KB ok, no valid answer
48 Correct 6 ms 7648 KB ok, correct split
49 Correct 4 ms 7764 KB ok, correct split
50 Correct 3 ms 7252 KB ok, no valid answer
51 Correct 3 ms 7252 KB ok, no valid answer
52 Correct 4 ms 7508 KB ok, no valid answer
53 Correct 5 ms 7636 KB ok, no valid answer
54 Correct 4 ms 7500 KB ok, no valid answer
55 Correct 4 ms 7592 KB ok, no valid answer
56 Correct 4 ms 7620 KB ok, no valid answer

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7380 KB ok, correct split
2 Correct 3 ms 7352 KB ok, correct split
3 Correct 3 ms 7380 KB ok, correct split
4 Correct 4 ms 7352 KB ok, correct split
5 Correct 3 ms 7380 KB ok, correct split
6 Correct 3 ms 7352 KB ok, correct split
7 Correct 65 ms 24948 KB ok, correct split
8 Correct 70 ms 22700 KB ok, correct split
9 Correct 75 ms 22084 KB ok, correct split
10 Correct 97 ms 25320 KB ok, correct split
11 Correct 65 ms 25336 KB ok, correct split
12 Correct 3 ms 7356 KB ok, correct split
13 Correct 3 ms 7380 KB ok, correct split
14 Correct 3 ms 7380 KB ok, correct split
15 Correct 72 ms 21184 KB ok, correct split
16 Correct 53 ms 16092 KB ok, correct split
17 Correct 62 ms 25320 KB ok, correct split
18 Correct 77 ms 22512 KB ok, correct split
19 Correct 81 ms 18948 KB ok, correct split
20 Correct 59 ms 17592 KB ok, correct split
21 Correct 42 ms 15204 KB ok, correct split
22 Correct 41 ms 15244 KB ok, correct split
23 Correct 46 ms 15368 KB ok, correct split
24 Correct 3 ms 7352 KB ok, correct split
25 Correct 63 ms 16096 KB ok, correct split
26 Correct 23 ms 11416 KB ok, correct split
27 Correct 5 ms 7352 KB ok, correct split
28 Correct 62 ms 21044 KB ok, correct split
29 Correct 57 ms 20804 KB ok, correct split
30 Correct 57 ms 20676 KB ok, correct split
31 Correct 60 ms 21972 KB ok, correct split
32 Correct 64 ms 20444 KB ok, correct split
33 Correct 18 ms 10680 KB ok, no valid answer
34 Correct 26 ms 12152 KB ok, no valid answer
35 Correct 44 ms 16460 KB ok, no valid answer
36 Correct 52 ms 16968 KB ok, no valid answer
37 Correct 42 ms 16060 KB ok, no valid answer
38 Correct 3 ms 7380 KB ok, correct split
39 Correct 3 ms 7352 KB ok, no valid answer
40 Correct 3 ms 7372 KB ok, correct split
41 Correct 3 ms 7380 KB ok, correct split
42 Correct 3 ms 7360 KB ok, correct split
43 Correct 3 ms 7432 KB ok, correct split
44 Correct 3 ms 7380 KB ok, correct split
45 Correct 3 ms 7356 KB ok, correct split
46 Correct 5 ms 7752 KB ok, correct split
47 Correct 5 ms 7752 KB ok, correct split
48 Correct 5 ms 7508 KB ok, correct split
49 Correct 7 ms 7764 KB ok, correct split
50 Correct 3 ms 7380 KB ok, correct split
51 Correct 3 ms 7380 KB ok, correct split
52 Correct 3 ms 7352 KB ok, correct split
53 Correct 3 ms 7360 KB ok, correct split
54 Correct 3 ms 7380 KB ok, correct split
55 Correct 3 ms 7352 KB ok, correct split
56 Correct 4 ms 7508 KB ok, correct split
57 Correct 4 ms 7492 KB ok, correct split
58 Correct 4 ms 7764 KB ok, correct split
59 Correct 4 ms 7764 KB ok, correct split
60 Correct 4 ms 7756 KB ok, correct split
61 Correct 5 ms 7752 KB ok, correct split
62 Correct 4 ms 7764 KB ok, correct split
63 Correct 5 ms 7772 KB ok, correct split
64 Correct 5 ms 7804 KB ok, correct split
65 Correct 5 ms 7692 KB ok, correct split
66 Correct 4 ms 7380 KB ok, correct split
67 Correct 7 ms 7764 KB ok, correct split
68 Correct 4 ms 7508 KB ok, correct split
69 Correct 4 ms 7484 KB ok, correct split
70 Correct 4 ms 7408 KB ok, correct split
71 Correct 5 ms 7624 KB ok, correct split
72 Correct 4 ms 7616 KB ok, correct split
73 Correct 5 ms 7636 KB ok, correct split
74 Correct 5 ms 7764 KB ok, correct split
75 Correct 5 ms 7892 KB ok, correct split
76 Correct 5 ms 7816 KB ok, correct split
77 Correct 6 ms 7756 KB ok, correct split
78 Correct 5 ms 7508 KB ok, correct split
79 Correct 4 ms 7508 KB ok, correct split
80 Correct 5 ms 7764 KB ok, correct split
81 Correct 6 ms 7712 KB ok, correct split
82 Correct 5 ms 7860 KB ok, correct split
83 Correct 4 ms 7752 KB ok, correct split
84 Correct 5 ms 7636 KB ok, no valid answer
85 Correct 6 ms 7648 KB ok, correct split
86 Correct 4 ms 7764 KB ok, correct split
87 Correct 3 ms 7252 KB ok, no valid answer
88 Correct 3 ms 7252 KB ok, no valid answer
89 Correct 4 ms 7508 KB ok, no valid answer
90 Correct 5 ms 7636 KB ok, no valid answer
91 Correct 4 ms 7500 KB ok, no valid answer
92 Correct 4 ms 7592 KB ok, no valid answer
93 Correct 4 ms 7620 KB ok, no valid answer
94 Correct 64 ms 20168 KB ok, correct split
95 Correct 92 ms 26440 KB ok, correct split
96 Correct 112 ms 24476 KB ok, correct split
97 Correct 22 ms 11332 KB ok, correct split
98 Correct 24 ms 11516 KB ok, correct split
99 Correct 35 ms 13924 KB ok, correct split
100 Correct 93 ms 21336 KB ok, correct split
101 Correct 70 ms 20196 KB ok, correct split
102 Correct 68 ms 19512 KB ok, correct split
103 Correct 72 ms 19280 KB ok, correct split
104 Correct 68 ms 20408 KB ok, correct split
105 Correct 34 ms 13636 KB ok, correct split
106 Correct 76 ms 22828 KB ok, correct split
107 Correct 54 ms 17096 KB ok, correct split
108 Correct 68 ms 17060 KB ok, correct split
109 Correct 78 ms 20664 KB ok, correct split
110 Correct 86 ms 24504 KB ok, correct split
111 Correct 84 ms 24636 KB ok, correct split
112 Correct 83 ms 23292 KB ok, correct split
113 Correct 91 ms 23364 KB ok, correct split
114 Correct 11 ms 9164 KB ok, correct split
115 Correct 12 ms 8984 KB ok, correct split
116 Correct 81 ms 24500 KB ok, correct split
117 Correct 86 ms 24208 KB ok, correct split
118 Correct 82 ms 18728 KB ok, correct split
119 Correct 54 ms 18568 KB ok, correct split
120 Correct 64 ms 22636 KB ok, correct split
121 Correct 52 ms 17096 KB ok, no valid answer
122 Correct 50 ms 17012 KB ok, no valid answer
123 Correct 103 ms 21720 KB ok, no valid answer
124 Correct 86 ms 21360 KB ok, no valid answer
125 Correct 51 ms 17916 KB ok, no valid answer
126 Correct 35 ms 15256 KB ok, no valid answer
127 Correct 66 ms 18804 KB ok, no valid answer