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답안 #434095

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
434095 2021-06-20T14:57:43 Z amoo_safar Worst Reporter 4 (JOI21_worst_reporter4) C++17
100 / 100
 393 ms 100140 KB 
// vaziat meshki-ghermeze !
#include <bits/stdc++.h>

#define pb push_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " : " << x << '\n'

using namespace std;

typedef long long ll;
typedef long double ld;
typedef string str;
typedef pair<ll, ll> pll;

const ll Mod = 1000000007LL;
const int N = 2e5 + 10;
const ll Inf = 2242545357980376863LL;
const ll Log = 30;

map<int, ll> mp[N];

int a[N], h[N], c[N];
vector<int> G[N];

void DFS(int u){
	for(auto adj : G[u]){
		if(adj == u) continue;
		DFS(adj);
		if(mp[adj].size() > mp[u].size())
			mp[u].swap(mp[adj]);
		for(auto [la, sm] : mp[adj])
			mp[u][la] += sm;
	}
	ll del = c[u];
	while(del){
		auto it = mp[u].lower_bound(h[u] + 1);
		if(it == mp[u].end())
			break;
		ll rm = min(del, it -> S);
		del -= rm;
		if(rm < it -> S){
			mp[u][it -> F] -= rm;
		} else mp[u].erase(it);
	}
	mp[u][h[u]] += c[u];

	// cerr << "!! " << u << " : \n";
	// for(auto [x, y] : mp[u])
	// 	cerr << x << ' ' << y << '\n';
	// cerr << "------\n";
}

int mk[N];
ll ans = 0;

int loop[N], con[N];

int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	int n;
	cin >> n;
	for(int i = 1; i <= n; i++){
		cin >> a[i] >> h[i] >> c[i];
		ans += c[i];
		// G[a[i]].pb(i);
		h[i] = -h[i];
	}
	for(int i = 1; i <= n; i++){
		if(mk[i]) continue;
		int nw = i;
		while(!mk[nw]){
			mk[nw] = i;
			nw = a[nw];
		}
		if(mk[nw] < i) continue;

		int st = nw;
		vector<int> P = {st};
		nw = a[nw];
		while(st != nw){
			P.pb(nw);
			nw = a[nw];
		}
		sort(all(P), [&](int i, int j){
			return h[i] < h[j];
		});
		for(auto x : P) loop[x] = 1;
		a[P[0]] = P[0];
		for(int i = 1; i < (int) P.size(); i++) a[P[i]] = P[i - 1];
		for(auto x : P) con[x] = P.back();
	}
	// cerr << "!! ";
	for(int i = 1; i <= n; i++){
		if(!loop[i] && loop[a[i]])
			a[i] = con[a[i]];
		// cerr << a[i] << ' ';
		G[a[i]].pb(i);
	}
	// cerr << '\n';

	for(int i = 1; i <= n; i++)
		if(a[i] == i){
			// debug(i);
			DFS(i);
			for(auto [x, y] : mp[i])
				ans -= y;
		}
	
	// ll ans = 0;
	// for(int i = 1; i <= n; i++) ans += c[i];
	// for(auto [la, sm] : mp[1]) ans -= sm;
	cout << ans << '\n';
	return 0;
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 14436 KB Output is correct
2 Correct 9 ms 14412 KB Output is correct
3 Correct 10 ms 14412 KB Output is correct
4 Correct 10 ms 14328 KB Output is correct
5 Correct 15 ms 15520 KB Output is correct
6 Correct 14 ms 15052 KB Output is correct
7 Correct 14 ms 14836 KB Output is correct
8 Correct 15 ms 15588 KB Output is correct
9 Correct 16 ms 15052 KB Output is correct
10 Correct 13 ms 14796 KB Output is correct
11 Correct 13 ms 14676 KB Output is correct
12 Correct 14 ms 15348 KB Output is correct
13 Correct 15 ms 15344 KB Output is correct
14 Correct 14 ms 15032 KB Output is correct
15 Correct 13 ms 15028 KB Output is correct
16 Correct 17 ms 15948 KB Output is correct
17 Correct 14 ms 15308 KB Output is correct
18 Correct 12 ms 14648 KB Output is correct
19 Correct 14 ms 15176 KB Output is correct
20 Correct 13 ms 15004 KB Output is correct
21 Correct 12 ms 15052 KB Output is correct
22 Correct 14 ms 15052 KB Output is correct
23 Correct 12 ms 14796 KB Output is correct
24 Correct 14 ms 15180 KB Output is correct
25 Correct 12 ms 15116 KB Output is correct
26 Correct 12 ms 15300 KB Output is correct
27 Correct 13 ms 15180 KB Output is correct
28 Correct 14 ms 15356 KB Output is correct
29 Correct 15 ms 15488 KB Output is correct
30 Correct 16 ms 15472 KB Output is correct
31 Correct 14 ms 15436 KB Output is correct

Subtask #2
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 14436 KB Output is correct
2 Correct 9 ms 14412 KB Output is correct
3 Correct 10 ms 14412 KB Output is correct
4 Correct 10 ms 14328 KB Output is correct
5 Correct 15 ms 15520 KB Output is correct
6 Correct 14 ms 15052 KB Output is correct
7 Correct 14 ms 14836 KB Output is correct
8 Correct 15 ms 15588 KB Output is correct
9 Correct 16 ms 15052 KB Output is correct
10 Correct 13 ms 14796 KB Output is correct
11 Correct 13 ms 14676 KB Output is correct
12 Correct 14 ms 15348 KB Output is correct
13 Correct 15 ms 15344 KB Output is correct
14 Correct 14 ms 15032 KB Output is correct
15 Correct 13 ms 15028 KB Output is correct
16 Correct 17 ms 15948 KB Output is correct
17 Correct 14 ms 15308 KB Output is correct
18 Correct 12 ms 14648 KB Output is correct
19 Correct 14 ms 15176 KB Output is correct
20 Correct 13 ms 15004 KB Output is correct
21 Correct 12 ms 15052 KB Output is correct
22 Correct 14 ms 15052 KB Output is correct
23 Correct 12 ms 14796 KB Output is correct
24 Correct 14 ms 15180 KB Output is correct
25 Correct 12 ms 15116 KB Output is correct
26 Correct 12 ms 15300 KB Output is correct
27 Correct 13 ms 15180 KB Output is correct
28 Correct 14 ms 15356 KB Output is correct
29 Correct 15 ms 15488 KB Output is correct
30 Correct 16 ms 15472 KB Output is correct
31 Correct 14 ms 15436 KB Output is correct
32 Correct 15 ms 15564 KB Output is correct
33 Correct 379 ms 75120 KB Output is correct
34 Correct 292 ms 50336 KB Output is correct
35 Correct 369 ms 72128 KB Output is correct
36 Correct 287 ms 50356 KB Output is correct
37 Correct 198 ms 31340 KB Output is correct
38 Correct 187 ms 27024 KB Output is correct
39 Correct 199 ms 52040 KB Output is correct
40 Correct 172 ms 51976 KB Output is correct
41 Correct 143 ms 51864 KB Output is correct
42 Correct 194 ms 37976 KB Output is correct
43 Correct 169 ms 37868 KB Output is correct
44 Correct 365 ms 100140 KB Output is correct
45 Correct 277 ms 64632 KB Output is correct
46 Correct 107 ms 26820 KB Output is correct
47 Correct 347 ms 47984 KB Output is correct
48 Correct 171 ms 40992 KB Output is correct
49 Correct 125 ms 40992 KB Output is correct
50 Correct 303 ms 43372 KB Output is correct
51 Correct 118 ms 30784 KB Output is correct
52 Correct 350 ms 48656 KB Output is correct
53 Correct 139 ms 41400 KB Output is correct
54 Correct 132 ms 51856 KB Output is correct
55 Correct 225 ms 50420 KB Output is correct
56 Correct 201 ms 56324 KB Output is correct
57 Correct 195 ms 59232 KB Output is correct
58 Correct 222 ms 56516 KB Output is correct
59 Correct 220 ms 56636 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 14436 KB Output is correct
2 Correct 9 ms 14412 KB Output is correct
3 Correct 10 ms 14412 KB Output is correct
4 Correct 10 ms 14328 KB Output is correct
5 Correct 15 ms 15520 KB Output is correct
6 Correct 14 ms 15052 KB Output is correct
7 Correct 14 ms 14836 KB Output is correct
8 Correct 15 ms 15588 KB Output is correct
9 Correct 16 ms 15052 KB Output is correct
10 Correct 13 ms 14796 KB Output is correct
11 Correct 13 ms 14676 KB Output is correct
12 Correct 14 ms 15348 KB Output is correct
13 Correct 15 ms 15344 KB Output is correct
14 Correct 14 ms 15032 KB Output is correct
15 Correct 13 ms 15028 KB Output is correct
16 Correct 17 ms 15948 KB Output is correct
17 Correct 14 ms 15308 KB Output is correct
18 Correct 12 ms 14648 KB Output is correct
19 Correct 14 ms 15176 KB Output is correct
20 Correct 13 ms 15004 KB Output is correct
21 Correct 12 ms 15052 KB Output is correct
22 Correct 14 ms 15052 KB Output is correct
23 Correct 12 ms 14796 KB Output is correct
24 Correct 14 ms 15180 KB Output is correct
25 Correct 12 ms 15116 KB Output is correct
26 Correct 12 ms 15300 KB Output is correct
27 Correct 13 ms 15180 KB Output is correct
28 Correct 14 ms 15356 KB Output is correct
29 Correct 15 ms 15488 KB Output is correct
30 Correct 16 ms 15472 KB Output is correct
31 Correct 14 ms 15436 KB Output is correct
32 Correct 15 ms 15564 KB Output is correct
33 Correct 379 ms 75120 KB Output is correct
34 Correct 292 ms 50336 KB Output is correct
35 Correct 369 ms 72128 KB Output is correct
36 Correct 287 ms 50356 KB Output is correct
37 Correct 198 ms 31340 KB Output is correct
38 Correct 187 ms 27024 KB Output is correct
39 Correct 199 ms 52040 KB Output is correct
40 Correct 172 ms 51976 KB Output is correct
41 Correct 143 ms 51864 KB Output is correct
42 Correct 194 ms 37976 KB Output is correct
43 Correct 169 ms 37868 KB Output is correct
44 Correct 365 ms 100140 KB Output is correct
45 Correct 277 ms 64632 KB Output is correct
46 Correct 107 ms 26820 KB Output is correct
47 Correct 347 ms 47984 KB Output is correct
48 Correct 171 ms 40992 KB Output is correct
49 Correct 125 ms 40992 KB Output is correct
50 Correct 303 ms 43372 KB Output is correct
51 Correct 118 ms 30784 KB Output is correct
52 Correct 350 ms 48656 KB Output is correct
53 Correct 139 ms 41400 KB Output is correct
54 Correct 132 ms 51856 KB Output is correct
55 Correct 225 ms 50420 KB Output is correct
56 Correct 201 ms 56324 KB Output is correct
57 Correct 195 ms 59232 KB Output is correct
58 Correct 222 ms 56516 KB Output is correct
59 Correct 220 ms 56636 KB Output is correct
60 Correct 9 ms 14444 KB Output is correct
61 Correct 10 ms 14420 KB Output is correct
62 Correct 10 ms 14412 KB Output is correct
63 Correct 10 ms 14412 KB Output is correct
64 Correct 393 ms 66232 KB Output is correct
65 Correct 283 ms 49732 KB Output is correct
66 Correct 369 ms 67284 KB Output is correct
67 Correct 277 ms 49092 KB Output is correct
68 Correct 214 ms 36164 KB Output is correct
69 Correct 193 ms 32836 KB Output is correct
70 Correct 265 ms 49924 KB Output is correct
71 Correct 231 ms 44872 KB Output is correct
72 Correct 257 ms 58640 KB Output is correct
73 Correct 229 ms 58660 KB Output is correct
74 Correct 310 ms 55676 KB Output is correct
75 Correct 206 ms 48048 KB Output is correct
76 Correct 178 ms 48116 KB Output is correct
77 Correct 339 ms 55844 KB Output is correct
78 Correct 198 ms 48040 KB Output is correct
79 Correct 360 ms 71064 KB Output is correct
80 Correct 300 ms 59040 KB Output is correct
81 Correct 238 ms 48428 KB Output is correct
82 Correct 294 ms 58824 KB Output is correct
83 Correct 154 ms 42980 KB Output is correct
84 Correct 374 ms 58924 KB Output is correct
85 Correct 334 ms 58864 KB Output is correct
86 Correct 348 ms 58800 KB Output is correct
87 Correct 323 ms 58932 KB Output is correct
88 Correct 336 ms 58932 KB Output is correct