답안 #417627

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
417627 2021-06-04T04:36:32 Z maomao90 Worst Reporter 4 (JOI21_worst_reporter4) C++17
79 / 100
406 ms 524292 KB
#include <bits/stdc++.h> 
using namespace std;

template <class T>
inline bool mnto(T& a, T b) {return a > b ? a = b, 1 : 0;}
template <class T>
inline bool mxto(T& a, T b) {return a < b ? a = b, 1: 0;}
#define REP(i, s, e) for (int i = s; i < e; i++)
#define RREP(i, s, e) for (int i = s; i >= e; i--)
typedef long long ll;
typedef long double ld;
#define MP make_pair
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
#define MT make_tuple
typedef tuple<int, int, int> iii;
#define ALL(_a) _a.begin(), _a.end()
#define pb emplace_back
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;

#define INF 1000000005
#define LINF 1000000000000000005
#define MOD 1000000007
#define MAXN 200005

int n;
int h[MAXN], c[MAXN];
vi adj[MAXN];
map<int, ll> incre[MAXN];
ll ans;

void dp(int u) {
	for (int v : adj[u]) {
		dp(v);
		if (incre[v].size() > incre[u].size()) swap(incre[v], incre[u]);
		for (auto i : incre[v]) {
			incre[u][i.FI] += i.SE;
		}
	}
	auto lower = incre[u].lower_bound(h[u]);
	if (lower != incre[u].begin()) {
		lower = prev(lower);
		int remc = c[u];
		while (1) {
			//printf("%d %lld\n", lower -> FI, lower -> SE);
			ll take = min((ll) remc, lower -> SE);
			lower -> SE -= take;
			remc -= take;
			if (lower -> SE == 0) {
				auto tmp = lower;
				bool hv = 0;
				if (tmp != incre[u].begin()) {
					tmp = prev(tmp);
					hv = 1;
				}
				incre[u].erase(lower);
				if (!hv) {
				   	break;
				} else {
					lower = tmp;
				}
			} else {
				break;
			}
		}
	}
	incre[u][h[u]] += c[u];
	//printf("%d:\n", u);
	//for (auto i : incre[u]) {
		//printf(" %d %lld\n", i.FI, i.SE);
	//}
}

int main() {
	scanf("%d", &n);
	REP (i, 1, n + 1) {
		int a; scanf("%d%d%d", &a, &h[i], &c[i]);
		ans += c[i];
		if (a != i) adj[a].pb(i);
	}
	dp(1);
	for (auto i : incre[1]) {
		ans -= i.SE;
	}
	printf("%lld\n", ans);
	return 0;
}

/*
4
1 3 4
1 1 2
2 0 3
3 2 1
*/

Compilation message

worst_reporter2.cpp: In function 'int main()':
worst_reporter2.cpp:79:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   79 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
worst_reporter2.cpp:81:15: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   81 |   int a; scanf("%d%d%d", &a, &h[i], &c[i]);
      |          ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 14284 KB Output is correct
2 Correct 11 ms 14284 KB Output is correct
3 Correct 9 ms 14284 KB Output is correct
4 Correct 9 ms 14284 KB Output is correct
5 Correct 15 ms 15372 KB Output is correct
6 Correct 14 ms 15040 KB Output is correct
7 Correct 13 ms 14796 KB Output is correct
8 Correct 15 ms 15544 KB Output is correct
9 Correct 14 ms 15040 KB Output is correct
10 Correct 13 ms 14796 KB Output is correct
11 Correct 12 ms 14668 KB Output is correct
12 Correct 13 ms 15220 KB Output is correct
13 Correct 12 ms 15180 KB Output is correct
14 Correct 13 ms 14968 KB Output is correct
15 Correct 12 ms 14944 KB Output is correct
16 Correct 16 ms 15820 KB Output is correct
17 Correct 15 ms 15132 KB Output is correct
18 Correct 12 ms 14676 KB Output is correct
19 Correct 14 ms 15196 KB Output is correct
20 Correct 12 ms 14924 KB Output is correct
21 Correct 12 ms 14976 KB Output is correct
22 Correct 13 ms 15000 KB Output is correct
23 Correct 12 ms 14760 KB Output is correct
24 Correct 14 ms 15208 KB Output is correct
25 Correct 13 ms 14924 KB Output is correct
26 Correct 13 ms 15288 KB Output is correct
27 Correct 17 ms 15180 KB Output is correct
28 Correct 14 ms 15296 KB Output is correct
29 Correct 13 ms 15328 KB Output is correct
30 Correct 14 ms 15308 KB Output is correct
31 Correct 14 ms 15308 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 14284 KB Output is correct
2 Correct 11 ms 14284 KB Output is correct
3 Correct 9 ms 14284 KB Output is correct
4 Correct 9 ms 14284 KB Output is correct
5 Correct 15 ms 15372 KB Output is correct
6 Correct 14 ms 15040 KB Output is correct
7 Correct 13 ms 14796 KB Output is correct
8 Correct 15 ms 15544 KB Output is correct
9 Correct 14 ms 15040 KB Output is correct
10 Correct 13 ms 14796 KB Output is correct
11 Correct 12 ms 14668 KB Output is correct
12 Correct 13 ms 15220 KB Output is correct
13 Correct 12 ms 15180 KB Output is correct
14 Correct 13 ms 14968 KB Output is correct
15 Correct 12 ms 14944 KB Output is correct
16 Correct 16 ms 15820 KB Output is correct
17 Correct 15 ms 15132 KB Output is correct
18 Correct 12 ms 14676 KB Output is correct
19 Correct 14 ms 15196 KB Output is correct
20 Correct 12 ms 14924 KB Output is correct
21 Correct 12 ms 14976 KB Output is correct
22 Correct 13 ms 15000 KB Output is correct
23 Correct 12 ms 14760 KB Output is correct
24 Correct 14 ms 15208 KB Output is correct
25 Correct 13 ms 14924 KB Output is correct
26 Correct 13 ms 15288 KB Output is correct
27 Correct 17 ms 15180 KB Output is correct
28 Correct 14 ms 15296 KB Output is correct
29 Correct 13 ms 15328 KB Output is correct
30 Correct 14 ms 15308 KB Output is correct
31 Correct 14 ms 15308 KB Output is correct
32 Correct 15 ms 15404 KB Output is correct
33 Correct 406 ms 73720 KB Output is correct
34 Correct 304 ms 48672 KB Output is correct
35 Correct 391 ms 70580 KB Output is correct
36 Correct 302 ms 48684 KB Output is correct
37 Correct 212 ms 29888 KB Output is correct
38 Correct 179 ms 25324 KB Output is correct
39 Correct 166 ms 50440 KB Output is correct
40 Correct 155 ms 50416 KB Output is correct
41 Correct 118 ms 50368 KB Output is correct
42 Correct 162 ms 36440 KB Output is correct
43 Correct 164 ms 36272 KB Output is correct
44 Correct 359 ms 98480 KB Output is correct
45 Correct 253 ms 62912 KB Output is correct
46 Correct 104 ms 25288 KB Output is correct
47 Correct 262 ms 46360 KB Output is correct
48 Correct 142 ms 39592 KB Output is correct
49 Correct 112 ms 39328 KB Output is correct
50 Correct 272 ms 41720 KB Output is correct
51 Correct 111 ms 29240 KB Output is correct
52 Correct 288 ms 46976 KB Output is correct
53 Correct 131 ms 39872 KB Output is correct
54 Correct 133 ms 50284 KB Output is correct
55 Correct 229 ms 48908 KB Output is correct
56 Correct 196 ms 54816 KB Output is correct
57 Correct 195 ms 57676 KB Output is correct
58 Correct 209 ms 55040 KB Output is correct
59 Correct 220 ms 54988 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 14284 KB Output is correct
2 Correct 11 ms 14284 KB Output is correct
3 Correct 9 ms 14284 KB Output is correct
4 Correct 9 ms 14284 KB Output is correct
5 Correct 15 ms 15372 KB Output is correct
6 Correct 14 ms 15040 KB Output is correct
7 Correct 13 ms 14796 KB Output is correct
8 Correct 15 ms 15544 KB Output is correct
9 Correct 14 ms 15040 KB Output is correct
10 Correct 13 ms 14796 KB Output is correct
11 Correct 12 ms 14668 KB Output is correct
12 Correct 13 ms 15220 KB Output is correct
13 Correct 12 ms 15180 KB Output is correct
14 Correct 13 ms 14968 KB Output is correct
15 Correct 12 ms 14944 KB Output is correct
16 Correct 16 ms 15820 KB Output is correct
17 Correct 15 ms 15132 KB Output is correct
18 Correct 12 ms 14676 KB Output is correct
19 Correct 14 ms 15196 KB Output is correct
20 Correct 12 ms 14924 KB Output is correct
21 Correct 12 ms 14976 KB Output is correct
22 Correct 13 ms 15000 KB Output is correct
23 Correct 12 ms 14760 KB Output is correct
24 Correct 14 ms 15208 KB Output is correct
25 Correct 13 ms 14924 KB Output is correct
26 Correct 13 ms 15288 KB Output is correct
27 Correct 17 ms 15180 KB Output is correct
28 Correct 14 ms 15296 KB Output is correct
29 Correct 13 ms 15328 KB Output is correct
30 Correct 14 ms 15308 KB Output is correct
31 Correct 14 ms 15308 KB Output is correct
32 Correct 15 ms 15404 KB Output is correct
33 Correct 406 ms 73720 KB Output is correct
34 Correct 304 ms 48672 KB Output is correct
35 Correct 391 ms 70580 KB Output is correct
36 Correct 302 ms 48684 KB Output is correct
37 Correct 212 ms 29888 KB Output is correct
38 Correct 179 ms 25324 KB Output is correct
39 Correct 166 ms 50440 KB Output is correct
40 Correct 155 ms 50416 KB Output is correct
41 Correct 118 ms 50368 KB Output is correct
42 Correct 162 ms 36440 KB Output is correct
43 Correct 164 ms 36272 KB Output is correct
44 Correct 359 ms 98480 KB Output is correct
45 Correct 253 ms 62912 KB Output is correct
46 Correct 104 ms 25288 KB Output is correct
47 Correct 262 ms 46360 KB Output is correct
48 Correct 142 ms 39592 KB Output is correct
49 Correct 112 ms 39328 KB Output is correct
50 Correct 272 ms 41720 KB Output is correct
51 Correct 111 ms 29240 KB Output is correct
52 Correct 288 ms 46976 KB Output is correct
53 Correct 131 ms 39872 KB Output is correct
54 Correct 133 ms 50284 KB Output is correct
55 Correct 229 ms 48908 KB Output is correct
56 Correct 196 ms 54816 KB Output is correct
57 Correct 195 ms 57676 KB Output is correct
58 Correct 209 ms 55040 KB Output is correct
59 Correct 220 ms 54988 KB Output is correct
60 Runtime error 264 ms 524292 KB Execution killed with signal 9
61 Halted 0 ms 0 KB -