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답안 #442062

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
442062 2021-07-07T01:04:38 Z kig9981 Worst Reporter 4 (JOI21_worst_reporter4) C++17
100 / 100
 451 ms 107060 KB 
#include <bits/stdc++.h>

#ifdef NON_SUBMIT
#define TEST(n) (n)
#define tout cerr
#else
#define TEST(n) ((void)0)
#define tout cin
#endif

using namespace std;

vector<int> adj[200000];
map<int,long long> D[200000];
long long O[200000];
int P[200000], H[200000], C[200000], R[200000], cnt[200000];

void dfs(int c)
{
	long long v=C[c], m;
	for(auto n: adj[c]) {
		dfs(n);
		if(D[R[c]].size()<D[R[n]].size()) swap(R[c],R[n]);
		for(auto[a,b]: D[R[n]]) D[R[c]][a]+=b;
		O[c]+=O[n];
	}
	O[c]+=C[c];
	D[R[c]][H[c]]+=C[c];
	if(cnt[c]) {
		D[R[c]][H[c]+1]-=C[c];
		return;
	}
	while(v) {
		auto it=D[R[c]].upper_bound(H[c]);
		if(it==D[R[c]].end()) break;
		m=min(v,it->second);
		it->second-=m;
		v-=m;
		if(it->second==0) D[R[c]].erase(it);
	}
}

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(NULL); cout.tie(NULL);
	TEST(freopen("input.txt","r",stdin));
	TEST(freopen("output.txt","w",stdout));
	TEST(freopen("debug.txt","w",stderr));
	int N;
	long long ans=0;
	queue<int> Q;
	cin>>N;
	for(int i=0;i<N;i++) {
		cin>>P[i]>>H[i]>>C[i];
		H[R[i]=i]=1000000000-H[i];
		cnt[--P[i]]++;
	}
	for(int i=0;i<N;i++) if(cnt[i]==0) Q.push(i);
	while(!Q.empty()) {
		int c=Q.front();
		Q.pop();
		if(--cnt[P[c]]==0) Q.push(P[c]);
	}
	for(int i=0;i<N;i++) if(cnt[i]==0) adj[P[i]].push_back(i);
	for(int i=0;i<N;i++) if(cnt[i]) dfs(i);
	for(int i=0;i<N;i++) if(cnt[i]) {
		long long mn;
		cnt[i]--;
		for(int p=P[i];p!=i;p=P[p]) {
			cnt[p]--;
			if(D[R[p]].size()>D[R[i]].size()) swap(R[p],R[i]);
			for(auto[a,b]: D[R[p]]) D[R[i]][a]+=b;
			O[i]+=O[p];
		}
		mn=O[i];
		for(auto[a,b]: D[R[i]]) mn=min(mn,O[i]-=b);
		ans+=mn;
	}
	cout<<ans<<'\n';
	return 0;
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 14412 KB Output is correct
2 Correct 9 ms 14412 KB Output is correct
3 Correct 9 ms 14412 KB Output is correct
4 Correct 9 ms 14412 KB Output is correct
5 Correct 17 ms 15664 KB Output is correct
6 Correct 14 ms 15108 KB Output is correct
7 Correct 13 ms 14924 KB Output is correct
8 Correct 16 ms 15660 KB Output is correct
9 Correct 13 ms 15180 KB Output is correct
10 Correct 12 ms 14880 KB Output is correct
11 Correct 12 ms 14796 KB Output is correct
12 Correct 13 ms 15492 KB Output is correct
13 Correct 12 ms 15440 KB Output is correct
14 Correct 13 ms 15112 KB Output is correct
15 Correct 12 ms 15084 KB Output is correct
16 Correct 16 ms 15948 KB Output is correct
17 Correct 14 ms 15356 KB Output is correct
18 Correct 12 ms 14760 KB Output is correct
19 Correct 14 ms 15360 KB Output is correct
20 Correct 12 ms 15180 KB Output is correct
21 Correct 12 ms 15128 KB Output is correct
22 Correct 13 ms 15144 KB Output is correct
23 Correct 12 ms 14796 KB Output is correct
24 Correct 14 ms 15408 KB Output is correct
25 Correct 12 ms 15180 KB Output is correct
26 Correct 12 ms 15436 KB Output is correct
27 Correct 13 ms 15356 KB Output is correct
28 Correct 13 ms 15392 KB Output is correct
29 Correct 13 ms 15564 KB Output is correct
30 Correct 14 ms 15560 KB Output is correct
31 Correct 14 ms 15564 KB Output is correct

Subtask #2
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 14412 KB Output is correct
2 Correct 9 ms 14412 KB Output is correct
3 Correct 9 ms 14412 KB Output is correct
4 Correct 9 ms 14412 KB Output is correct
5 Correct 17 ms 15664 KB Output is correct
6 Correct 14 ms 15108 KB Output is correct
7 Correct 13 ms 14924 KB Output is correct
8 Correct 16 ms 15660 KB Output is correct
9 Correct 13 ms 15180 KB Output is correct
10 Correct 12 ms 14880 KB Output is correct
11 Correct 12 ms 14796 KB Output is correct
12 Correct 13 ms 15492 KB Output is correct
13 Correct 12 ms 15440 KB Output is correct
14 Correct 13 ms 15112 KB Output is correct
15 Correct 12 ms 15084 KB Output is correct
16 Correct 16 ms 15948 KB Output is correct
17 Correct 14 ms 15356 KB Output is correct
18 Correct 12 ms 14760 KB Output is correct
19 Correct 14 ms 15360 KB Output is correct
20 Correct 12 ms 15180 KB Output is correct
21 Correct 12 ms 15128 KB Output is correct
22 Correct 13 ms 15144 KB Output is correct
23 Correct 12 ms 14796 KB Output is correct
24 Correct 14 ms 15408 KB Output is correct
25 Correct 12 ms 15180 KB Output is correct
26 Correct 12 ms 15436 KB Output is correct
27 Correct 13 ms 15356 KB Output is correct
28 Correct 13 ms 15392 KB Output is correct
29 Correct 13 ms 15564 KB Output is correct
30 Correct 14 ms 15560 KB Output is correct
31 Correct 14 ms 15564 KB Output is correct
32 Correct 15 ms 15564 KB Output is correct
33 Correct 402 ms 77540 KB Output is correct
34 Correct 304 ms 57680 KB Output is correct
35 Correct 389 ms 79564 KB Output is correct
36 Correct 299 ms 57668 KB Output is correct
37 Correct 214 ms 38796 KB Output is correct
38 Correct 194 ms 34244 KB Output is correct
39 Correct 180 ms 62596 KB Output is correct
40 Correct 165 ms 62532 KB Output is correct
41 Correct 149 ms 62572 KB Output is correct
42 Correct 188 ms 46988 KB Output is correct
43 Correct 164 ms 46900 KB Output is correct
44 Correct 347 ms 107060 KB Output is correct
45 Correct 241 ms 71620 KB Output is correct
46 Correct 113 ms 33872 KB Output is correct
47 Correct 281 ms 56496 KB Output is correct
48 Correct 144 ms 49688 KB Output is correct
49 Correct 119 ms 49536 KB Output is correct
50 Correct 293 ms 49148 KB Output is correct
51 Correct 116 ms 36668 KB Output is correct
52 Correct 307 ms 57160 KB Output is correct
53 Correct 136 ms 50108 KB Output is correct
54 Correct 135 ms 62780 KB Output is correct
55 Correct 241 ms 58144 KB Output is correct
56 Correct 225 ms 64960 KB Output is correct
57 Correct 185 ms 68456 KB Output is correct
58 Correct 211 ms 65152 KB Output is correct
59 Correct 244 ms 64968 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 14412 KB Output is correct
2 Correct 9 ms 14412 KB Output is correct
3 Correct 9 ms 14412 KB Output is correct
4 Correct 9 ms 14412 KB Output is correct
5 Correct 17 ms 15664 KB Output is correct
6 Correct 14 ms 15108 KB Output is correct
7 Correct 13 ms 14924 KB Output is correct
8 Correct 16 ms 15660 KB Output is correct
9 Correct 13 ms 15180 KB Output is correct
10 Correct 12 ms 14880 KB Output is correct
11 Correct 12 ms 14796 KB Output is correct
12 Correct 13 ms 15492 KB Output is correct
13 Correct 12 ms 15440 KB Output is correct
14 Correct 13 ms 15112 KB Output is correct
15 Correct 12 ms 15084 KB Output is correct
16 Correct 16 ms 15948 KB Output is correct
17 Correct 14 ms 15356 KB Output is correct
18 Correct 12 ms 14760 KB Output is correct
19 Correct 14 ms 15360 KB Output is correct
20 Correct 12 ms 15180 KB Output is correct
21 Correct 12 ms 15128 KB Output is correct
22 Correct 13 ms 15144 KB Output is correct
23 Correct 12 ms 14796 KB Output is correct
24 Correct 14 ms 15408 KB Output is correct
25 Correct 12 ms 15180 KB Output is correct
26 Correct 12 ms 15436 KB Output is correct
27 Correct 13 ms 15356 KB Output is correct
28 Correct 13 ms 15392 KB Output is correct
29 Correct 13 ms 15564 KB Output is correct
30 Correct 14 ms 15560 KB Output is correct
31 Correct 14 ms 15564 KB Output is correct
32 Correct 15 ms 15564 KB Output is correct
33 Correct 402 ms 77540 KB Output is correct
34 Correct 304 ms 57680 KB Output is correct
35 Correct 389 ms 79564 KB Output is correct
36 Correct 299 ms 57668 KB Output is correct
37 Correct 214 ms 38796 KB Output is correct
38 Correct 194 ms 34244 KB Output is correct
39 Correct 180 ms 62596 KB Output is correct
40 Correct 165 ms 62532 KB Output is correct
41 Correct 149 ms 62572 KB Output is correct
42 Correct 188 ms 46988 KB Output is correct
43 Correct 164 ms 46900 KB Output is correct
44 Correct 347 ms 107060 KB Output is correct
45 Correct 241 ms 71620 KB Output is correct
46 Correct 113 ms 33872 KB Output is correct
47 Correct 281 ms 56496 KB Output is correct
48 Correct 144 ms 49688 KB Output is correct
49 Correct 119 ms 49536 KB Output is correct
50 Correct 293 ms 49148 KB Output is correct
51 Correct 116 ms 36668 KB Output is correct
52 Correct 307 ms 57160 KB Output is correct
53 Correct 136 ms 50108 KB Output is correct
54 Correct 135 ms 62780 KB Output is correct
55 Correct 241 ms 58144 KB Output is correct
56 Correct 225 ms 64960 KB Output is correct
57 Correct 185 ms 68456 KB Output is correct
58 Correct 211 ms 65152 KB Output is correct
59 Correct 244 ms 64968 KB Output is correct
60 Correct 8 ms 14416 KB Output is correct
61 Correct 8 ms 14412 KB Output is correct
62 Correct 8 ms 14412 KB Output is correct
63 Correct 9 ms 14412 KB Output is correct
64 Correct 369 ms 67524 KB Output is correct
65 Correct 294 ms 50916 KB Output is correct
66 Correct 364 ms 67172 KB Output is correct
67 Correct 284 ms 50796 KB Output is correct
68 Correct 223 ms 37060 KB Output is correct
69 Correct 203 ms 33700 KB Output is correct
70 Correct 427 ms 75076 KB Output is correct
71 Correct 226 ms 50372 KB Output is correct
72 Correct 451 ms 75292 KB Output is correct
73 Correct 226 ms 50280 KB Output is correct
74 Correct 429 ms 65724 KB Output is correct
75 Correct 256 ms 47048 KB Output is correct
76 Correct 222 ms 45692 KB Output is correct
77 Correct 378 ms 66712 KB Output is correct
78 Correct 183 ms 44396 KB Output is correct
79 Correct 427 ms 82248 KB Output is correct
80 Correct 288 ms 55352 KB Output is correct
81 Correct 210 ms 44612 KB Output is correct
82 Correct 300 ms 75268 KB Output is correct
83 Correct 120 ms 49924 KB Output is correct
84 Correct 358 ms 74616 KB Output is correct
85 Correct 362 ms 74560 KB Output is correct
86 Correct 313 ms 62276 KB Output is correct
87 Correct 351 ms 74600 KB Output is correct
88 Correct 351 ms 74632 KB Output is correct