답안 #962643

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
962643 2024-04-14T05:29:14 Z Cookie Worst Reporter 4 (JOI21_worst_reporter4) C++14
79 / 100
309 ms 106900 KB
#include<bits/stdc++.h>
#include<fstream>
using namespace std;
#define sz(a) (int)a.size()
#define ALL(v) v.begin(), v.end()
#define ALLR(v) v.rbegin(), v.rend()
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
#define mpp make_pair
const ld PI = 3.14159265359, prec = 1e-9;;
//using u128 = __uint128_t;
//const int x[4] = {1, 0, -1, 0};
//const int y[4] = {0, -1, 0, 1};
const ll mod = 1e9 + 7, pr = 31;
const int mxn = 2e5 + 5, mxq = 1e5 + 5, sq = 500, mxv = 5e4 + 1;
//const int base = (1 <<18);
const ll inf = 1e9 + 5, neg = -69420, inf2 = 1e14;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
// have fun!
int n;
vt<int>adj[mxn + 1];
ll a[mxn + 1], h[mxn + 1], c[mxn + 1];
map<ll, ll>mp[mxn + 1];
void dfs(int s, int pre){
    for(auto i: adj[s]){
        if(i != pre){
            
            dfs(i, s); 
            if(sz(mp[i]) > sz(mp[s])){
                swap(mp[s], mp[i]);
            }
            for(auto j: mp[i])mp[s][j.fi] += j.se;
        }
    }
    
    mp[s][h[s]] += c[s];
    ll lft = c[s];
    while(1){
        auto it = mp[s].lower_bound(h[s]);
        if(it == mp[s].begin())break;
        --it;
        if((*it).se <= lft){
            lft -= (*it).se;  mp[s].erase(it);
        }else{
            (*it).se -= lft; break;
        }
    }
   
}
void solve(){
    cin >> n;
    ll tot = 0;
    for(int i = 1; i <= n; i++){
        cin >> a[i] >> h[i] >> c[i]; tot += c[i];
        if(i != 1)adj[a[i]].pb(i);
    }
    dfs(1, -1);
    ll ans = 0;
    for(auto i: mp[1]){
        ans += i.se;
    }
    
    cout << tot - ans;
}
signed main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    //freopen("DATA.inp", "r", stdin);
    //freopen("DATA.out", "w", stdout);
    int tt; tt = 1;
    while(tt--){
        solve();
 
    }
    return(0);
}
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 19036 KB Output is correct
2 Correct 5 ms 19036 KB Output is correct
3 Correct 5 ms 19036 KB Output is correct
4 Correct 4 ms 19036 KB Output is correct
5 Correct 8 ms 20316 KB Output is correct
6 Correct 8 ms 19804 KB Output is correct
7 Correct 7 ms 19548 KB Output is correct
8 Correct 9 ms 20284 KB Output is correct
9 Correct 7 ms 19976 KB Output is correct
10 Correct 7 ms 19548 KB Output is correct
11 Correct 6 ms 19548 KB Output is correct
12 Correct 7 ms 20020 KB Output is correct
13 Correct 6 ms 20152 KB Output is correct
14 Correct 7 ms 19804 KB Output is correct
15 Correct 6 ms 19804 KB Output is correct
16 Correct 9 ms 20572 KB Output is correct
17 Correct 7 ms 20140 KB Output is correct
18 Correct 7 ms 19516 KB Output is correct
19 Correct 7 ms 20060 KB Output is correct
20 Correct 7 ms 19804 KB Output is correct
21 Correct 7 ms 19900 KB Output is correct
22 Correct 6 ms 19772 KB Output is correct
23 Correct 5 ms 19548 KB Output is correct
24 Correct 8 ms 20060 KB Output is correct
25 Correct 7 ms 19892 KB Output is correct
26 Correct 6 ms 20060 KB Output is correct
27 Correct 6 ms 20060 KB Output is correct
28 Correct 6 ms 20056 KB Output is correct
29 Correct 7 ms 20320 KB Output is correct
30 Correct 7 ms 20316 KB Output is correct
31 Correct 7 ms 20268 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 19036 KB Output is correct
2 Correct 5 ms 19036 KB Output is correct
3 Correct 5 ms 19036 KB Output is correct
4 Correct 4 ms 19036 KB Output is correct
5 Correct 8 ms 20316 KB Output is correct
6 Correct 8 ms 19804 KB Output is correct
7 Correct 7 ms 19548 KB Output is correct
8 Correct 9 ms 20284 KB Output is correct
9 Correct 7 ms 19976 KB Output is correct
10 Correct 7 ms 19548 KB Output is correct
11 Correct 6 ms 19548 KB Output is correct
12 Correct 7 ms 20020 KB Output is correct
13 Correct 6 ms 20152 KB Output is correct
14 Correct 7 ms 19804 KB Output is correct
15 Correct 6 ms 19804 KB Output is correct
16 Correct 9 ms 20572 KB Output is correct
17 Correct 7 ms 20140 KB Output is correct
18 Correct 7 ms 19516 KB Output is correct
19 Correct 7 ms 20060 KB Output is correct
20 Correct 7 ms 19804 KB Output is correct
21 Correct 7 ms 19900 KB Output is correct
22 Correct 6 ms 19772 KB Output is correct
23 Correct 5 ms 19548 KB Output is correct
24 Correct 8 ms 20060 KB Output is correct
25 Correct 7 ms 19892 KB Output is correct
26 Correct 6 ms 20060 KB Output is correct
27 Correct 6 ms 20060 KB Output is correct
28 Correct 6 ms 20056 KB Output is correct
29 Correct 7 ms 20320 KB Output is correct
30 Correct 7 ms 20316 KB Output is correct
31 Correct 7 ms 20268 KB Output is correct
32 Correct 8 ms 20316 KB Output is correct
33 Correct 309 ms 81932 KB Output is correct
34 Correct 234 ms 56920 KB Output is correct
35 Correct 259 ms 78676 KB Output is correct
36 Correct 220 ms 56864 KB Output is correct
37 Correct 142 ms 38476 KB Output is correct
38 Correct 115 ms 33360 KB Output is correct
39 Correct 124 ms 58692 KB Output is correct
40 Correct 113 ms 58792 KB Output is correct
41 Correct 87 ms 58816 KB Output is correct
42 Correct 113 ms 44648 KB Output is correct
43 Correct 104 ms 44692 KB Output is correct
44 Correct 304 ms 106900 KB Output is correct
45 Correct 188 ms 71140 KB Output is correct
46 Correct 63 ms 33528 KB Output is correct
47 Correct 183 ms 54728 KB Output is correct
48 Correct 91 ms 47772 KB Output is correct
49 Correct 74 ms 47580 KB Output is correct
50 Correct 216 ms 49260 KB Output is correct
51 Correct 73 ms 36796 KB Output is correct
52 Correct 201 ms 55252 KB Output is correct
53 Correct 84 ms 48300 KB Output is correct
54 Correct 81 ms 59016 KB Output is correct
55 Correct 172 ms 56160 KB Output is correct
56 Correct 146 ms 62184 KB Output is correct
57 Correct 119 ms 65124 KB Output is correct
58 Correct 157 ms 62564 KB Output is correct
59 Correct 152 ms 62800 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 19036 KB Output is correct
2 Correct 5 ms 19036 KB Output is correct
3 Correct 5 ms 19036 KB Output is correct
4 Correct 4 ms 19036 KB Output is correct
5 Correct 8 ms 20316 KB Output is correct
6 Correct 8 ms 19804 KB Output is correct
7 Correct 7 ms 19548 KB Output is correct
8 Correct 9 ms 20284 KB Output is correct
9 Correct 7 ms 19976 KB Output is correct
10 Correct 7 ms 19548 KB Output is correct
11 Correct 6 ms 19548 KB Output is correct
12 Correct 7 ms 20020 KB Output is correct
13 Correct 6 ms 20152 KB Output is correct
14 Correct 7 ms 19804 KB Output is correct
15 Correct 6 ms 19804 KB Output is correct
16 Correct 9 ms 20572 KB Output is correct
17 Correct 7 ms 20140 KB Output is correct
18 Correct 7 ms 19516 KB Output is correct
19 Correct 7 ms 20060 KB Output is correct
20 Correct 7 ms 19804 KB Output is correct
21 Correct 7 ms 19900 KB Output is correct
22 Correct 6 ms 19772 KB Output is correct
23 Correct 5 ms 19548 KB Output is correct
24 Correct 8 ms 20060 KB Output is correct
25 Correct 7 ms 19892 KB Output is correct
26 Correct 6 ms 20060 KB Output is correct
27 Correct 6 ms 20060 KB Output is correct
28 Correct 6 ms 20056 KB Output is correct
29 Correct 7 ms 20320 KB Output is correct
30 Correct 7 ms 20316 KB Output is correct
31 Correct 7 ms 20268 KB Output is correct
32 Correct 8 ms 20316 KB Output is correct
33 Correct 309 ms 81932 KB Output is correct
34 Correct 234 ms 56920 KB Output is correct
35 Correct 259 ms 78676 KB Output is correct
36 Correct 220 ms 56864 KB Output is correct
37 Correct 142 ms 38476 KB Output is correct
38 Correct 115 ms 33360 KB Output is correct
39 Correct 124 ms 58692 KB Output is correct
40 Correct 113 ms 58792 KB Output is correct
41 Correct 87 ms 58816 KB Output is correct
42 Correct 113 ms 44648 KB Output is correct
43 Correct 104 ms 44692 KB Output is correct
44 Correct 304 ms 106900 KB Output is correct
45 Correct 188 ms 71140 KB Output is correct
46 Correct 63 ms 33528 KB Output is correct
47 Correct 183 ms 54728 KB Output is correct
48 Correct 91 ms 47772 KB Output is correct
49 Correct 74 ms 47580 KB Output is correct
50 Correct 216 ms 49260 KB Output is correct
51 Correct 73 ms 36796 KB Output is correct
52 Correct 201 ms 55252 KB Output is correct
53 Correct 84 ms 48300 KB Output is correct
54 Correct 81 ms 59016 KB Output is correct
55 Correct 172 ms 56160 KB Output is correct
56 Correct 146 ms 62184 KB Output is correct
57 Correct 119 ms 65124 KB Output is correct
58 Correct 157 ms 62564 KB Output is correct
59 Correct 152 ms 62800 KB Output is correct
60 Correct 4 ms 19032 KB Output is correct
61 Incorrect 4 ms 19288 KB Output isn't correct
62 Halted 0 ms 0 KB -