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답안 #414960

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
414960 2021-05-31T11:15:06 Z 송준혁(#7511) Worst Reporter 4 (JOI21_worst_reporter4) C++17
79 / 100
 391 ms 106220 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define lb lower_bound
#define MOD 1000000007
#define INF (1ll<<62)
using namespace std;
typedef long long LL;
typedef pair<LL,LL> pii;

int N;
LL ans, C[202020];
int P[202020], A[202020], B[202020];
vector<int> adj[202020];
map<LL,LL> D[202020];

void dfs(int u){
	for (int v : adj[u]){
		dfs(v);
		if (D[u].size() < D[v].size()) swap(D[u], D[v]), swap(C[u], C[v]);
		for (pii t : D[v]) D[u][t.fi] += t.se;
		C[u] += C[v];
	}
	D[u][A[u]+1] += B[u], C[u] += B[u];
	auto it = D[u].lower_bound(A[u]+1);
	int dy = B[u];
	while (it != D[u].begin()){
		--it;
		if (it->se > dy){
			D[u][it->fi] -= dy;
			dy = 0;
			break;
		}
		else{
			int x = it->fi;
			dy -= it->se;
			D[u].erase(x);
			it = D[u].lower_bound(x);
		}
	}
	C[u] -= dy;
}

int main(){
	scanf("%d", &N);
	for (int i=1; i<=N; i++){
		scanf("%d %d %d", &P[i], &A[i], &B[i]);
		if (P[i] != i) adj[P[i]].pb(i);
	}
	for (int i=1; i<=N; i++) if (P[i] == i) dfs(i), ans += C[i];
	printf("%lld\n", ans);
	return 0;
}

Compilation message

worst_reporter2.cpp: In function 'int main()':
worst_reporter2.cpp:46:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |  scanf("%d", &N);
      |  ~~~~~^~~~~~~~~~
worst_reporter2.cpp:48:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |   scanf("%d %d %d", &P[i], &A[i], &B[i]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 14540 KB Output is correct
2 Correct 11 ms 14504 KB Output is correct
3 Correct 10 ms 14540 KB Output is correct
4 Correct 12 ms 14468 KB Output is correct
5 Correct 18 ms 15736 KB Output is correct
6 Correct 15 ms 15364 KB Output is correct
7 Correct 13 ms 15052 KB Output is correct
8 Correct 17 ms 15784 KB Output is correct
9 Correct 23 ms 15308 KB Output is correct
10 Correct 15 ms 15060 KB Output is correct
11 Correct 13 ms 14976 KB Output is correct
12 Correct 14 ms 15692 KB Output is correct
13 Correct 13 ms 15636 KB Output is correct
14 Correct 14 ms 15252 KB Output is correct
15 Correct 13 ms 15308 KB Output is correct
16 Correct 16 ms 16072 KB Output is correct
17 Correct 15 ms 15564 KB Output is correct
18 Correct 15 ms 14916 KB Output is correct
19 Correct 15 ms 15436 KB Output is correct
20 Correct 13 ms 15312 KB Output is correct
21 Correct 13 ms 15308 KB Output is correct
22 Correct 14 ms 15332 KB Output is correct
23 Correct 13 ms 15052 KB Output is correct
24 Correct 17 ms 15564 KB Output is correct
25 Correct 13 ms 15308 KB Output is correct
26 Correct 13 ms 15692 KB Output is correct
27 Correct 16 ms 15432 KB Output is correct
28 Correct 15 ms 15536 KB Output is correct
29 Correct 14 ms 15704 KB Output is correct
30 Correct 14 ms 15692 KB Output is correct
31 Correct 15 ms 15692 KB Output is correct

Subtask #2
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 14540 KB Output is correct
2 Correct 11 ms 14504 KB Output is correct
3 Correct 10 ms 14540 KB Output is correct
4 Correct 12 ms 14468 KB Output is correct
5 Correct 18 ms 15736 KB Output is correct
6 Correct 15 ms 15364 KB Output is correct
7 Correct 13 ms 15052 KB Output is correct
8 Correct 17 ms 15784 KB Output is correct
9 Correct 23 ms 15308 KB Output is correct
10 Correct 15 ms 15060 KB Output is correct
11 Correct 13 ms 14976 KB Output is correct
12 Correct 14 ms 15692 KB Output is correct
13 Correct 13 ms 15636 KB Output is correct
14 Correct 14 ms 15252 KB Output is correct
15 Correct 13 ms 15308 KB Output is correct
16 Correct 16 ms 16072 KB Output is correct
17 Correct 15 ms 15564 KB Output is correct
18 Correct 15 ms 14916 KB Output is correct
19 Correct 15 ms 15436 KB Output is correct
20 Correct 13 ms 15312 KB Output is correct
21 Correct 13 ms 15308 KB Output is correct
22 Correct 14 ms 15332 KB Output is correct
23 Correct 13 ms 15052 KB Output is correct
24 Correct 17 ms 15564 KB Output is correct
25 Correct 13 ms 15308 KB Output is correct
26 Correct 13 ms 15692 KB Output is correct
27 Correct 16 ms 15432 KB Output is correct
28 Correct 15 ms 15536 KB Output is correct
29 Correct 14 ms 15704 KB Output is correct
30 Correct 14 ms 15692 KB Output is correct
31 Correct 15 ms 15692 KB Output is correct
32 Correct 16 ms 15820 KB Output is correct
33 Correct 391 ms 81020 KB Output is correct
34 Correct 326 ms 56168 KB Output is correct
35 Correct 381 ms 78108 KB Output is correct
36 Correct 298 ms 56292 KB Output is correct
37 Correct 217 ms 37232 KB Output is correct
38 Correct 190 ms 32708 KB Output is correct
39 Correct 226 ms 61324 KB Output is correct
40 Correct 193 ms 61056 KB Output is correct
41 Correct 129 ms 61060 KB Output is correct
42 Correct 228 ms 45576 KB Output is correct
43 Correct 205 ms 45568 KB Output is correct
44 Correct 360 ms 106220 KB Output is correct
45 Correct 260 ms 70340 KB Output is correct
46 Correct 118 ms 32752 KB Output is correct
47 Correct 286 ms 55452 KB Output is correct
48 Correct 151 ms 48468 KB Output is correct
49 Correct 122 ms 48420 KB Output is correct
50 Correct 247 ms 48476 KB Output is correct
51 Correct 124 ms 36024 KB Output is correct
52 Correct 323 ms 56096 KB Output is correct
53 Correct 144 ms 49072 KB Output is correct
54 Correct 152 ms 61324 KB Output is correct
55 Correct 257 ms 57040 KB Output is correct
56 Correct 207 ms 63820 KB Output is correct
57 Correct 196 ms 67096 KB Output is correct
58 Correct 257 ms 63536 KB Output is correct
59 Correct 251 ms 63460 KB Output is correct

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 14540 KB Output is correct
2 Correct 11 ms 14504 KB Output is correct
3 Correct 10 ms 14540 KB Output is correct
4 Correct 12 ms 14468 KB Output is correct
5 Correct 18 ms 15736 KB Output is correct
6 Correct 15 ms 15364 KB Output is correct
7 Correct 13 ms 15052 KB Output is correct
8 Correct 17 ms 15784 KB Output is correct
9 Correct 23 ms 15308 KB Output is correct
10 Correct 15 ms 15060 KB Output is correct
11 Correct 13 ms 14976 KB Output is correct
12 Correct 14 ms 15692 KB Output is correct
13 Correct 13 ms 15636 KB Output is correct
14 Correct 14 ms 15252 KB Output is correct
15 Correct 13 ms 15308 KB Output is correct
16 Correct 16 ms 16072 KB Output is correct
17 Correct 15 ms 15564 KB Output is correct
18 Correct 15 ms 14916 KB Output is correct
19 Correct 15 ms 15436 KB Output is correct
20 Correct 13 ms 15312 KB Output is correct
21 Correct 13 ms 15308 KB Output is correct
22 Correct 14 ms 15332 KB Output is correct
23 Correct 13 ms 15052 KB Output is correct
24 Correct 17 ms 15564 KB Output is correct
25 Correct 13 ms 15308 KB Output is correct
26 Correct 13 ms 15692 KB Output is correct
27 Correct 16 ms 15432 KB Output is correct
28 Correct 15 ms 15536 KB Output is correct
29 Correct 14 ms 15704 KB Output is correct
30 Correct 14 ms 15692 KB Output is correct
31 Correct 15 ms 15692 KB Output is correct
32 Correct 16 ms 15820 KB Output is correct
33 Correct 391 ms 81020 KB Output is correct
34 Correct 326 ms 56168 KB Output is correct
35 Correct 381 ms 78108 KB Output is correct
36 Correct 298 ms 56292 KB Output is correct
37 Correct 217 ms 37232 KB Output is correct
38 Correct 190 ms 32708 KB Output is correct
39 Correct 226 ms 61324 KB Output is correct
40 Correct 193 ms 61056 KB Output is correct
41 Correct 129 ms 61060 KB Output is correct
42 Correct 228 ms 45576 KB Output is correct
43 Correct 205 ms 45568 KB Output is correct
44 Correct 360 ms 106220 KB Output is correct
45 Correct 260 ms 70340 KB Output is correct
46 Correct 118 ms 32752 KB Output is correct
47 Correct 286 ms 55452 KB Output is correct
48 Correct 151 ms 48468 KB Output is correct
49 Correct 122 ms 48420 KB Output is correct
50 Correct 247 ms 48476 KB Output is correct
51 Correct 124 ms 36024 KB Output is correct
52 Correct 323 ms 56096 KB Output is correct
53 Correct 144 ms 49072 KB Output is correct
54 Correct 152 ms 61324 KB Output is correct
55 Correct 257 ms 57040 KB Output is correct
56 Correct 207 ms 63820 KB Output is correct
57 Correct 196 ms 67096 KB Output is correct
58 Correct 257 ms 63536 KB Output is correct
59 Correct 251 ms 63460 KB Output is correct
60 Incorrect 10 ms 14536 KB Output isn't correct
61 Halted 0 ms 0 KB -