oj.uz

답안 #797891

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
797891 2023-07-30T05:06:17 Z vjudge1 Construction of Highway (JOI18_construction) C++
16 / 100
 1409 ms 3540 KB 
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define fi first
#define se second
#define ll long long
using namespace std ;
using namespace __gnu_pbds ;
const ll N = 1e5 ;
tree<pair<ll, ll>, null_type, less<pair<ll, ll>>, rb_tree_tag, tree_order_statistics_node_update> s;
ll ans, c[N + 1], a[N + 1], b[N + 1], dp[N + 1], p[N + 1] ;
vector<ll> now ;
vector<pair<ll, ll>> v[N + 1] ;
void dfs(ll city, ll last, ll abu)
{
    dp[abu] = ans ;
    s.insert({c[city], city}) ;
    ans += s.order_of_key({c[city], 0}) ;
    for(auto i : v[city])
    {
        if(i.fi == last)
            continue ;
        dp[i.se] ;
        dfs(i.fi, city, i.se) ;
    }
    s.erase({c[city], city}) ;
    ans -= s.order_of_key({c[city], 0}) ;
}
signed main()
{
    ios_base::sync_with_stdio( 0 ) ;
    cin.tie( 0 ) ;
    cout.tie( 0 ) ;
    ll n ;
    cin >> n ;
    for(ll i = 1 ; i <= n ; i++)
        cin >> c[i] ;
    for(ll i = 1 ; i < n ; i++)
    {
        cin >> a[i] >> b[i] ;
        p[b[i]] = a[i] ;
        v[a[i]].push_back({b[i], i}) ;
        v[b[i]].push_back({a[i], i}) ;
    }
    if(n <= 4000)
    {
        for(ll i = 1 ; i < n ; i++)
        {
            ll num = a[i] ;
            ans = 0 ;
            s.clear() ;
            while(num)
            {
                ans += s.order_of_key({c[num], 0}) ;
                s.insert({c[num], num}) ;
                c[num] = c[b[i]] ;
                num = p[num] ;
            }
            cout << ans << '\n' ;
        }
        return 0 ;
    }
    dfs(1, 0, 0) ;
    for(ll i = 1 ; i < n ; i++)
        cout << dp[i] << '\n' ;
    return 0 ;
}
//s.find_by_order(k); k-й по величине элемент в множестве
//s.order_of_key(x); сколько элементов в множестве меньше

Compilation message

construction.cpp: In function 'void dfs(long long int, long long int, long long int)':
construction.cpp:22:16: warning: statement has no effect [-Wunused-value]
   22 |         dp[i.se] ;
      |         ~~~~~~~^

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 18 ms 2644 KB Output is correct
9 Correct 18 ms 2756 KB Output is correct
10 Correct 18 ms 2760 KB Output is correct
11 Correct 9 ms 2768 KB Output is correct
12 Correct 9 ms 2736 KB Output is correct
13 Correct 9 ms 2644 KB Output is correct
14 Correct 9 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 10 ms 2760 KB Output is correct
20 Correct 10 ms 2644 KB Output is correct
21 Correct 9 ms 2644 KB Output is correct
22 Correct 2 ms 2644 KB Output is correct
23 Correct 2 ms 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 2 ms 2644 KB Output is correct
26 Correct 18 ms 2764 KB Output is correct
27 Correct 9 ms 2764 KB Output is correct
28 Correct 9 ms 2768 KB Output is correct
29 Correct 9 ms 2764 KB Output is correct
30 Correct 2 ms 2644 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 9 ms 2764 KB Output is correct
33 Correct 5 ms 2644 KB Output is correct
34 Correct 4 ms 2644 KB Output is correct
35 Correct 3 ms 2644 KB Output is correct
36 Correct 5 ms 2644 KB Output is correct
37 Correct 4 ms 2644 KB Output is correct
38 Correct 3 ms 2644 KB Output is correct
39 Correct 5 ms 2644 KB Output is correct
40 Correct 4 ms 2644 KB Output is correct
41 Correct 4 ms 2644 KB Output is correct
42 Correct 5 ms 2644 KB Output is correct
43 Correct 4 ms 2752 KB Output is correct
44 Correct 3 ms 2644 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 18 ms 2644 KB Output is correct
9 Correct 18 ms 2756 KB Output is correct
10 Correct 18 ms 2760 KB Output is correct
11 Correct 9 ms 2768 KB Output is correct
12 Correct 9 ms 2736 KB Output is correct
13 Correct 9 ms 2644 KB Output is correct
14 Correct 9 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 10 ms 2760 KB Output is correct
20 Correct 10 ms 2644 KB Output is correct
21 Correct 9 ms 2644 KB Output is correct
22 Correct 2 ms 2644 KB Output is correct
23 Correct 2 ms 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 2 ms 2644 KB Output is correct
26 Correct 18 ms 2764 KB Output is correct
27 Correct 9 ms 2764 KB Output is correct
28 Correct 9 ms 2768 KB Output is correct
29 Correct 9 ms 2764 KB Output is correct
30 Correct 2 ms 2644 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 9 ms 2764 KB Output is correct
33 Correct 5 ms 2644 KB Output is correct
34 Correct 4 ms 2644 KB Output is correct
35 Correct 3 ms 2644 KB Output is correct
36 Correct 5 ms 2644 KB Output is correct
37 Correct 4 ms 2644 KB Output is correct
38 Correct 3 ms 2644 KB Output is correct
39 Correct 5 ms 2644 KB Output is correct
40 Correct 4 ms 2644 KB Output is correct
41 Correct 4 ms 2644 KB Output is correct
42 Correct 5 ms 2644 KB Output is correct
43 Correct 4 ms 2752 KB Output is correct
44 Correct 3 ms 2644 KB Output is correct
45 Correct 2 ms 2772 KB Output is correct
46 Correct 6 ms 3036 KB Output is correct
47 Correct 5 ms 3028 KB Output is correct
48 Correct 4 ms 3028 KB Output is correct
49 Correct 1390 ms 3268 KB Output is correct
50 Correct 1390 ms 3304 KB Output is correct
51 Correct 1394 ms 3244 KB Output is correct
52 Correct 658 ms 3152 KB Output is correct
53 Correct 643 ms 3300 KB Output is correct
54 Correct 664 ms 3152 KB Output is correct
55 Correct 660 ms 3208 KB Output is correct
56 Correct 661 ms 3244 KB Output is correct
57 Correct 5 ms 3028 KB Output is correct
58 Correct 6 ms 3156 KB Output is correct
59 Correct 5 ms 3028 KB Output is correct
60 Correct 5 ms 3064 KB Output is correct
61 Correct 659 ms 3180 KB Output is correct
62 Correct 658 ms 3284 KB Output is correct
63 Correct 661 ms 3176 KB Output is correct
64 Correct 5 ms 3032 KB Output is correct
65 Correct 5 ms 3028 KB Output is correct
66 Correct 5 ms 3048 KB Output is correct
67 Correct 4 ms 3028 KB Output is correct
68 Correct 1409 ms 3320 KB Output is correct
69 Correct 637 ms 3148 KB Output is correct
70 Correct 645 ms 3148 KB Output is correct
71 Correct 652 ms 3148 KB Output is correct
72 Correct 5 ms 3028 KB Output is correct
73 Correct 5 ms 3052 KB Output is correct
74 Correct 652 ms 3288 KB Output is correct
75 Correct 297 ms 3064 KB Output is correct
76 Correct 186 ms 3072 KB Output is correct
77 Correct 136 ms 3072 KB Output is correct
78 Correct 296 ms 3088 KB Output is correct
79 Correct 189 ms 3064 KB Output is correct
80 Correct 139 ms 3072 KB Output is correct
81 Correct 305 ms 3096 KB Output is correct
82 Correct 194 ms 3092 KB Output is correct
83 Correct 146 ms 3076 KB Output is correct
84 Correct 303 ms 3104 KB Output is correct
85 Correct 193 ms 3100 KB Output is correct
86 Correct 146 ms 3208 KB Output is correct

Subtask #3
0 / 84.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 18 ms 2644 KB Output is correct
9 Correct 18 ms 2756 KB Output is correct
10 Correct 18 ms 2760 KB Output is correct
11 Correct 9 ms 2768 KB Output is correct
12 Correct 9 ms 2736 KB Output is correct
13 Correct 9 ms 2644 KB Output is correct
14 Correct 9 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 10 ms 2760 KB Output is correct
20 Correct 10 ms 2644 KB Output is correct
21 Correct 9 ms 2644 KB Output is correct
22 Correct 2 ms 2644 KB Output is correct
23 Correct 2 ms 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 2 ms 2644 KB Output is correct
26 Correct 18 ms 2764 KB Output is correct
27 Correct 9 ms 2764 KB Output is correct
28 Correct 9 ms 2768 KB Output is correct
29 Correct 9 ms 2764 KB Output is correct
30 Correct 2 ms 2644 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 9 ms 2764 KB Output is correct
33 Correct 5 ms 2644 KB Output is correct
34 Correct 4 ms 2644 KB Output is correct
35 Correct 3 ms 2644 KB Output is correct
36 Correct 5 ms 2644 KB Output is correct
37 Correct 4 ms 2644 KB Output is correct
38 Correct 3 ms 2644 KB Output is correct
39 Correct 5 ms 2644 KB Output is correct
40 Correct 4 ms 2644 KB Output is correct
41 Correct 4 ms 2644 KB Output is correct
42 Correct 5 ms 2644 KB Output is correct
43 Correct 4 ms 2752 KB Output is correct
44 Correct 3 ms 2644 KB Output is correct
45 Correct 2 ms 2772 KB Output is correct
46 Correct 6 ms 3036 KB Output is correct
47 Correct 5 ms 3028 KB Output is correct
48 Correct 4 ms 3028 KB Output is correct
49 Correct 1390 ms 3268 KB Output is correct
50 Correct 1390 ms 3304 KB Output is correct
51 Correct 1394 ms 3244 KB Output is correct
52 Correct 658 ms 3152 KB Output is correct
53 Correct 643 ms 3300 KB Output is correct
54 Correct 664 ms 3152 KB Output is correct
55 Correct 660 ms 3208 KB Output is correct
56 Correct 661 ms 3244 KB Output is correct
57 Correct 5 ms 3028 KB Output is correct
58 Correct 6 ms 3156 KB Output is correct
59 Correct 5 ms 3028 KB Output is correct
60 Correct 5 ms 3064 KB Output is correct
61 Correct 659 ms 3180 KB Output is correct
62 Correct 658 ms 3284 KB Output is correct
63 Correct 661 ms 3176 KB Output is correct
64 Correct 5 ms 3032 KB Output is correct
65 Correct 5 ms 3028 KB Output is correct
66 Correct 5 ms 3048 KB Output is correct
67 Correct 4 ms 3028 KB Output is correct
68 Correct 1409 ms 3320 KB Output is correct
69 Correct 637 ms 3148 KB Output is correct
70 Correct 645 ms 3148 KB Output is correct
71 Correct 652 ms 3148 KB Output is correct
72 Correct 5 ms 3028 KB Output is correct
73 Correct 5 ms 3052 KB Output is correct
74 Correct 652 ms 3288 KB Output is correct
75 Correct 297 ms 3064 KB Output is correct
76 Correct 186 ms 3072 KB Output is correct
77 Correct 136 ms 3072 KB Output is correct
78 Correct 296 ms 3088 KB Output is correct
79 Correct 189 ms 3064 KB Output is correct
80 Correct 139 ms 3072 KB Output is correct
81 Correct 305 ms 3096 KB Output is correct
82 Correct 194 ms 3092 KB Output is correct
83 Correct 146 ms 3076 KB Output is correct
84 Correct 303 ms 3104 KB Output is correct
85 Correct 193 ms 3100 KB Output is correct
86 Correct 146 ms 3208 KB Output is correct
87 Incorrect 6 ms 3540 KB Output isn't correct
88 Halted 0 ms 0 KB -