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답안 #1017246

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1017246 2024-07-09T06:56:08 Z vjudge1 Fireworks (APIO16_fireworks) C++17
100 / 100
 234 ms 37976 KB 
#include <iostream>
#include <cassert>
#include <queue>
#include <cmath>
#include <cstring>
#include <algorithm>
#include <bitset>
#include <ctime>
#include <map>
#include <set>
using namespace std;
#define int long long
#define pii pair<int, int>
#define eb emplace_back
#define F first
#define S second
#define test(x) cout << "Test: " << x << '\n'
#define lowbit(x) (x & -x)
#define debug puts("qwq");
#define open(x) freopen(#x".in", "r", stdin);freopen(#x".out", "w", stdout);
#define close fclose(stdin);fclose(stdout);
namespace FastIO {
	template <typename T = int>
	inline T read() {
		T s = 0, w = 1;
		char c = getchar();
		while (!isdigit(c)) {
			if (c == '-') w = -1;
			c = getchar();
		}
		while (isdigit(c)) s = (s << 1) + (s << 3) + (c ^ 48), c = getchar();
		return s * w;
	}
	template <typename T>
	inline void read(T &s) {
		s = 0;
		int w = 1;
		char c = getchar();
		while (!isdigit(c)) {
			if (c == '-') w = -1;
			c = getchar();
		}
		while (isdigit(c)) s = (s << 1) + (s << 3) + (c ^ 48), c = getchar();
		s = s * w;
	}
	template <typename T, typename... Arp> inline void read(T &x, Arp &...arp) {
		read(x), read(arp...);
	}
	template <typename T>
	inline void write(T x, char ch) {
		if (x < 0) x = -x, putchar('-');
		static char stk[25];
		int top = 0;
		do {
			stk[top++] = x % 10 + '0', x /= 10;
		} while (x);
		while (top) putchar(stk[--top]);
		putchar(ch);
		return;
	}
	template <typename T>
	inline void smax(T &x, T y) {
		if (x < y) x = y;
	}
	template <typename T>
	inline void smin(T &x, T y) {
		if (x > y) x = y;
	}
	void quit() {
		exit(0);
	}
} using namespace FastIO;
const int N = 1e6 + 19;
int f[N], w[N], d[N], root[N];
struct LeftTree {
	int val[N], t[N], ls[N], rs[N], cnt;
	int build_new(int v) {
		val[++cnt] = v;
		return cnt;
	}
	int merge(int p, int q) {
		if (!p || !q) return p + q;
		if (val[p] < val[q]) swap(p, q);
		rs[p] = merge(rs[p], q);
		if (t[ls[p]] < t[rs[p]]) swap(ls[p], rs[p]);
		t[p] = t[rs[p]] + 1;
		return p;
	}
	void del(int &p) {
		p = merge(ls[p], rs[p]);
	}
} tr;
signed main() {
	int n, m, ans = 0;
	read(n, m);
	for (int i = 2; i <= n + m; ++i) {
		read(f[i], w[i]);
		ans += w[i];
		d[f[i]]++;
	}
	for (int u = n + m; u >= 2; --u) {
		if (u <= n) while (--d[u]) tr.del(root[u]);
		int R = tr.val[root[u]]; tr.del(root[u]);
		int L = tr.val[root[u]]; tr.del(root[u]);
		root[u] = tr.merge(root[u], tr.merge(tr.build_new(L + w[u]), tr.build_new(R + w[u])));
		root[f[u]] = tr.merge(root[f[u]], root[u]);
	}
	while (d[1]--) tr.del(root[1]);
	while (root[1]) ans -= tr.val[root[1]], tr.del(root[1]);
	write(ans, '\n');
	return 0;
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct

Subtask #2
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6604 KB Output is correct
6 Correct 1 ms 6596 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 6592 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6588 KB Output is correct
12 Correct 1 ms 2496 KB Output is correct
13 Correct 1 ms 2492 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct

Subtask #3
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6604 KB Output is correct
16 Correct 1 ms 6596 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 6592 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6588 KB Output is correct
22 Correct 1 ms 2496 KB Output is correct
23 Correct 1 ms 2492 KB Output is correct
24 Correct 0 ms 2396 KB Output is correct
25 Correct 1 ms 6492 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6488 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6748 KB Output is correct
33 Correct 1 ms 6748 KB Output is correct
34 Correct 1 ms 6748 KB Output is correct
35 Correct 1 ms 2652 KB Output is correct
36 Correct 2 ms 6748 KB Output is correct
37 Correct 2 ms 7004 KB Output is correct
38 Correct 1 ms 2908 KB Output is correct
39 Correct 2 ms 6860 KB Output is correct
40 Correct 1 ms 8796 KB Output is correct
41 Correct 1 ms 8796 KB Output is correct
42 Correct 1 ms 9052 KB Output is correct
43 Correct 2 ms 7004 KB Output is correct
44 Correct 2 ms 7056 KB Output is correct
45 Correct 2 ms 7004 KB Output is correct
46 Correct 2 ms 7004 KB Output is correct
47 Correct 2 ms 7004 KB Output is correct
48 Correct 2 ms 7004 KB Output is correct
49 Correct 2 ms 7004 KB Output is correct
50 Correct 2 ms 6748 KB Output is correct
51 Correct 3 ms 6748 KB Output is correct
52 Correct 2 ms 2908 KB Output is correct
53 Correct 2 ms 2840 KB Output is correct
54 Correct 2 ms 7004 KB Output is correct

Subtask #4
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6604 KB Output is correct
16 Correct 1 ms 6596 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 6592 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6588 KB Output is correct
22 Correct 1 ms 2496 KB Output is correct
23 Correct 1 ms 2492 KB Output is correct
24 Correct 0 ms 2396 KB Output is correct
25 Correct 1 ms 6492 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6488 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6748 KB Output is correct
33 Correct 1 ms 6748 KB Output is correct
34 Correct 1 ms 6748 KB Output is correct
35 Correct 1 ms 2652 KB Output is correct
36 Correct 2 ms 6748 KB Output is correct
37 Correct 2 ms 7004 KB Output is correct
38 Correct 1 ms 2908 KB Output is correct
39 Correct 2 ms 6860 KB Output is correct
40 Correct 1 ms 8796 KB Output is correct
41 Correct 1 ms 8796 KB Output is correct
42 Correct 1 ms 9052 KB Output is correct
43 Correct 2 ms 7004 KB Output is correct
44 Correct 2 ms 7056 KB Output is correct
45 Correct 2 ms 7004 KB Output is correct
46 Correct 2 ms 7004 KB Output is correct
47 Correct 2 ms 7004 KB Output is correct
48 Correct 2 ms 7004 KB Output is correct
49 Correct 2 ms 7004 KB Output is correct
50 Correct 2 ms 6748 KB Output is correct
51 Correct 3 ms 6748 KB Output is correct
52 Correct 2 ms 2908 KB Output is correct
53 Correct 2 ms 2840 KB Output is correct
54 Correct 2 ms 7004 KB Output is correct
55 Correct 3 ms 9564 KB Output is correct
56 Correct 10 ms 12860 KB Output is correct
57 Correct 20 ms 16232 KB Output is correct
58 Correct 21 ms 18232 KB Output is correct
59 Correct 29 ms 21852 KB Output is correct
60 Correct 41 ms 25416 KB Output is correct
61 Correct 44 ms 27988 KB Output is correct
62 Correct 51 ms 30032 KB Output is correct
63 Correct 61 ms 34640 KB Output is correct
64 Correct 69 ms 36176 KB Output is correct
65 Correct 28 ms 33616 KB Output is correct
66 Correct 24 ms 33620 KB Output is correct
67 Correct 25 ms 36184 KB Output is correct
68 Correct 67 ms 37968 KB Output is correct
69 Correct 74 ms 37976 KB Output is correct
70 Correct 94 ms 37972 KB Output is correct
71 Correct 131 ms 35412 KB Output is correct
72 Correct 130 ms 35408 KB Output is correct
73 Correct 139 ms 35336 KB Output is correct
74 Correct 139 ms 35348 KB Output is correct
75 Correct 152 ms 34900 KB Output is correct
76 Correct 150 ms 34896 KB Output is correct
77 Correct 160 ms 34820 KB Output is correct
78 Correct 179 ms 34644 KB Output is correct
79 Correct 234 ms 34648 KB Output is correct