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답안 #1037959

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1037959 2024-07-29T11:15:02 Z hotboy2703 Worst Reporter 4 (JOI21_worst_reporter4) C++17
100 / 100
 305 ms 127060 KB 
#include<bits/stdc++.h>
using ll = long long;
using namespace std;
#define pll pair <ll,ll>
#define fi first
#define se second
#define sz(a) (ll((a).size()))
#define BIT(mask,i) (((mask) >> (i))&1)
#define MASK(i) (1LL << (i))
#define MP make_pair
const ll MAXN = 2e5+100;
const ll INF = 1e18;
ll A[MAXN],H[MAXN],C[MAXN];
ll in[MAXN];
vector <ll> g[MAXN];
map <ll,ll> mp[MAXN];
vector <pll> root[MAXN];
ll re[MAXN];
ll n;	
void dfs(ll u){
	for (auto v:g[u]){
		// cout<<u<<' '<<v<<endl;
		dfs(v);
	}
	for (auto v:g[u]){
		if (sz(mp[v]) > sz(mp[u]))swap(mp[u],mp[v]);
	}
	for (auto v:g[u]){
		for (auto x:mp[v]){
			mp[u][x.fi]+=x.se;
		}
	}
	root[u].push_back(MP(H[u],C[u]));
	map <ll,ll> tmp1;
	for (auto x:root[u])tmp1[x.fi] += x.se;
	for (auto x:tmp1){
		mp[u][-INF]+=x.se;
		auto tmp = mp[u].upper_bound(x.fi);
		ll sum = 0;
		while (sum < x.se){
			tmp = prev(tmp);
			sum += (*tmp).se;
		}
		(*tmp).se -= x.se - (sum - (*tmp).se);
		for (auto it = next(tmp);it != mp[u].end() && (*it).fi <= x.fi;it = mp[u].erase(it)){}
		mp[u][x.fi+1] += x.se;
	}
	// cout<<"MAP "<<u<<endl;
	// for (auto x:mp[u])cout<<x.fi<<' '<<x.se<<endl;
	// cout<<endl;
}
int main(){
	ios_base::sync_with_stdio(0);cin.tie(nullptr);
	cin>>n;
	for (ll i = 1;i <= n;i ++){
		cin>>A[i]>>H[i]>>C[i];
		re[i] = i;
	}
	for (ll i = 1;i <= n;i ++){
		// cout<<i<<endl;
		if (!in[i]){
			ll cur = i;
			vector <ll> all;
			while (!in[cur]){
				all.push_back(cur);
				in[cur] = 1;
				cur = re[A[cur]];
			}
			
			if (in[cur] == 1){
				while (all.back() != cur){
					root[cur].push_back({H[all.back()],C[all.back()]});
					re[all.back()] = cur;
					all.pop_back();
				}
				in[all.back()] = 2;
				for (ll j = sz(all) - 1;j >= 1;j --){
					g[re[all[j]]].push_back(all[j-1]);
				}
			}
			else{
				for (ll j = sz(all) - 1;j >= 1;j --){
					g[re[all[j]]].push_back(all[j-1]);
				}
				g[re[cur]].push_back(all.back());
			}
			for (auto x:all)in[x]++;
			
		}
	}
	// for (ll i = 1;i <= n;i ++){
	// 	for (auto v:g[i])cout<<i<<' '<<v<<endl;
	// }
	ll ans = 0;
	for (ll i = 1;i <= n;i ++){
		// cout<<i<<endl;
		if (in[i] == 3){
			dfs(i);
			ans += (*mp[i].begin()).se;
		}
	}
	cout<<ans;
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 24924 KB Output is correct
2 Correct 3 ms 24924 KB Output is correct
3 Correct 3 ms 25044 KB Output is correct
4 Correct 3 ms 24924 KB Output is correct
5 Correct 7 ms 26460 KB Output is correct
6 Correct 7 ms 25980 KB Output is correct
7 Correct 6 ms 25948 KB Output is correct
8 Correct 11 ms 26540 KB Output is correct
9 Correct 11 ms 26204 KB Output is correct
10 Correct 7 ms 25948 KB Output is correct
11 Correct 7 ms 25692 KB Output is correct
12 Correct 6 ms 26372 KB Output is correct
13 Correct 6 ms 26460 KB Output is correct
14 Correct 7 ms 25948 KB Output is correct
15 Correct 6 ms 26068 KB Output is correct
16 Correct 8 ms 26784 KB Output is correct
17 Correct 8 ms 26204 KB Output is correct
18 Correct 6 ms 25692 KB Output is correct
19 Correct 7 ms 26300 KB Output is correct
20 Correct 6 ms 26204 KB Output is correct
21 Correct 5 ms 26128 KB Output is correct
22 Correct 6 ms 26204 KB Output is correct
23 Correct 6 ms 25948 KB Output is correct
24 Correct 6 ms 26460 KB Output is correct
25 Correct 6 ms 26204 KB Output is correct
26 Correct 7 ms 26716 KB Output is correct
27 Correct 6 ms 26460 KB Output is correct
28 Correct 6 ms 26528 KB Output is correct
29 Correct 7 ms 26460 KB Output is correct
30 Correct 6 ms 26392 KB Output is correct
31 Correct 7 ms 26460 KB Output is correct

Subtask #2
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 24924 KB Output is correct
2 Correct 3 ms 24924 KB Output is correct
3 Correct 3 ms 25044 KB Output is correct
4 Correct 3 ms 24924 KB Output is correct
5 Correct 7 ms 26460 KB Output is correct
6 Correct 7 ms 25980 KB Output is correct
7 Correct 6 ms 25948 KB Output is correct
8 Correct 11 ms 26540 KB Output is correct
9 Correct 11 ms 26204 KB Output is correct
10 Correct 7 ms 25948 KB Output is correct
11 Correct 7 ms 25692 KB Output is correct
12 Correct 6 ms 26372 KB Output is correct
13 Correct 6 ms 26460 KB Output is correct
14 Correct 7 ms 25948 KB Output is correct
15 Correct 6 ms 26068 KB Output is correct
16 Correct 8 ms 26784 KB Output is correct
17 Correct 8 ms 26204 KB Output is correct
18 Correct 6 ms 25692 KB Output is correct
19 Correct 7 ms 26300 KB Output is correct
20 Correct 6 ms 26204 KB Output is correct
21 Correct 5 ms 26128 KB Output is correct
22 Correct 6 ms 26204 KB Output is correct
23 Correct 6 ms 25948 KB Output is correct
24 Correct 6 ms 26460 KB Output is correct
25 Correct 6 ms 26204 KB Output is correct
26 Correct 7 ms 26716 KB Output is correct
27 Correct 6 ms 26460 KB Output is correct
28 Correct 6 ms 26528 KB Output is correct
29 Correct 7 ms 26460 KB Output is correct
30 Correct 6 ms 26392 KB Output is correct
31 Correct 7 ms 26460 KB Output is correct
32 Correct 8 ms 26460 KB Output is correct
33 Correct 298 ms 101924 KB Output is correct
34 Correct 234 ms 77096 KB Output is correct
35 Correct 305 ms 98920 KB Output is correct
36 Correct 286 ms 77460 KB Output is correct
37 Correct 174 ms 58748 KB Output is correct
38 Correct 139 ms 54356 KB Output is correct
39 Correct 130 ms 82256 KB Output is correct
40 Correct 139 ms 82124 KB Output is correct
41 Correct 89 ms 82304 KB Output is correct
42 Correct 120 ms 63532 KB Output is correct
43 Correct 115 ms 63488 KB Output is correct
44 Correct 270 ms 127060 KB Output is correct
45 Correct 209 ms 91624 KB Output is correct
46 Correct 84 ms 53872 KB Output is correct
47 Correct 189 ms 79548 KB Output is correct
48 Correct 118 ms 72916 KB Output is correct
49 Correct 92 ms 72612 KB Output is correct
50 Correct 184 ms 76744 KB Output is correct
51 Correct 88 ms 64204 KB Output is correct
52 Correct 170 ms 80836 KB Output is correct
53 Correct 118 ms 73528 KB Output is correct
54 Correct 158 ms 94896 KB Output is correct
55 Correct 178 ms 81492 KB Output is correct
56 Correct 141 ms 86356 KB Output is correct
57 Correct 170 ms 89160 KB Output is correct
58 Correct 140 ms 81492 KB Output is correct
59 Correct 144 ms 81372 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 24924 KB Output is correct
2 Correct 3 ms 24924 KB Output is correct
3 Correct 3 ms 25044 KB Output is correct
4 Correct 3 ms 24924 KB Output is correct
5 Correct 7 ms 26460 KB Output is correct
6 Correct 7 ms 25980 KB Output is correct
7 Correct 6 ms 25948 KB Output is correct
8 Correct 11 ms 26540 KB Output is correct
9 Correct 11 ms 26204 KB Output is correct
10 Correct 7 ms 25948 KB Output is correct
11 Correct 7 ms 25692 KB Output is correct
12 Correct 6 ms 26372 KB Output is correct
13 Correct 6 ms 26460 KB Output is correct
14 Correct 7 ms 25948 KB Output is correct
15 Correct 6 ms 26068 KB Output is correct
16 Correct 8 ms 26784 KB Output is correct
17 Correct 8 ms 26204 KB Output is correct
18 Correct 6 ms 25692 KB Output is correct
19 Correct 7 ms 26300 KB Output is correct
20 Correct 6 ms 26204 KB Output is correct
21 Correct 5 ms 26128 KB Output is correct
22 Correct 6 ms 26204 KB Output is correct
23 Correct 6 ms 25948 KB Output is correct
24 Correct 6 ms 26460 KB Output is correct
25 Correct 6 ms 26204 KB Output is correct
26 Correct 7 ms 26716 KB Output is correct
27 Correct 6 ms 26460 KB Output is correct
28 Correct 6 ms 26528 KB Output is correct
29 Correct 7 ms 26460 KB Output is correct
30 Correct 6 ms 26392 KB Output is correct
31 Correct 7 ms 26460 KB Output is correct
32 Correct 8 ms 26460 KB Output is correct
33 Correct 298 ms 101924 KB Output is correct
34 Correct 234 ms 77096 KB Output is correct
35 Correct 305 ms 98920 KB Output is correct
36 Correct 286 ms 77460 KB Output is correct
37 Correct 174 ms 58748 KB Output is correct
38 Correct 139 ms 54356 KB Output is correct
39 Correct 130 ms 82256 KB Output is correct
40 Correct 139 ms 82124 KB Output is correct
41 Correct 89 ms 82304 KB Output is correct
42 Correct 120 ms 63532 KB Output is correct
43 Correct 115 ms 63488 KB Output is correct
44 Correct 270 ms 127060 KB Output is correct
45 Correct 209 ms 91624 KB Output is correct
46 Correct 84 ms 53872 KB Output is correct
47 Correct 189 ms 79548 KB Output is correct
48 Correct 118 ms 72916 KB Output is correct
49 Correct 92 ms 72612 KB Output is correct
50 Correct 184 ms 76744 KB Output is correct
51 Correct 88 ms 64204 KB Output is correct
52 Correct 170 ms 80836 KB Output is correct
53 Correct 118 ms 73528 KB Output is correct
54 Correct 158 ms 94896 KB Output is correct
55 Correct 178 ms 81492 KB Output is correct
56 Correct 141 ms 86356 KB Output is correct
57 Correct 170 ms 89160 KB Output is correct
58 Correct 140 ms 81492 KB Output is correct
59 Correct 144 ms 81372 KB Output is correct
60 Correct 3 ms 24924 KB Output is correct
61 Correct 3 ms 24924 KB Output is correct
62 Correct 3 ms 25092 KB Output is correct
63 Correct 4 ms 24924 KB Output is correct
64 Correct 255 ms 85140 KB Output is correct
65 Correct 222 ms 68436 KB Output is correct
66 Correct 287 ms 84308 KB Output is correct
67 Correct 206 ms 68236 KB Output is correct
68 Correct 158 ms 55124 KB Output is correct
69 Correct 144 ms 52052 KB Output is correct
70 Correct 128 ms 45000 KB Output is correct
71 Correct 64 ms 37600 KB Output is correct
72 Correct 140 ms 48784 KB Output is correct
73 Correct 64 ms 39308 KB Output is correct
74 Correct 165 ms 64056 KB Output is correct
75 Correct 84 ms 50316 KB Output is correct
76 Correct 82 ms 50236 KB Output is correct
77 Correct 160 ms 64048 KB Output is correct
78 Correct 84 ms 50240 KB Output is correct
79 Correct 205 ms 74292 KB Output is correct
80 Correct 141 ms 56380 KB Output is correct
81 Correct 110 ms 46908 KB Output is correct
82 Correct 174 ms 60704 KB Output is correct
83 Correct 78 ms 63316 KB Output is correct
84 Correct 202 ms 66076 KB Output is correct
85 Correct 208 ms 66108 KB Output is correct
86 Correct 179 ms 62696 KB Output is correct
87 Correct 198 ms 65888 KB Output is correct
88 Correct 182 ms 65980 KB Output is correct