답안 #529075

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
529075	2022-02-22T05:28:58 Z	fhvirus	Construction of Highway (JOI18_construction)	C++17	16 / 100	2000 ms	8336 KB

construction

#include <bits/stdc++.h>
using namespace std;
typedef int64_t ll; typedef pair<int, int> pii;
#define pb emplace_back
#define AI(x) begin(x),end(x)
#define ff first
#define ss second
#ifdef OWO
#define debug(args...) LKJ("\033[0;32m[ " + string(#args) + " ]\033[0m", args)
template <class I> void LKJ(I&&x) { cerr << x << endl; }
template <class I, class...T> void LKJ(I&&x, T&&...t) { cerr << x << ", "; LKJ(t...); }
template <class I> void OI(I a, I b) { while (a < b) cerr << *a << " \n"[next(a) == b]; }
#else
#define debug(...) 0
#define OI(...) 0
#endif

struct LISAN : vector<int> {
	void done() { sort(AI()); erase(unique(AI()), end()); }
	int operator () (const int& v) const { return lower_bound(AI(), v) - begin(); }
};
struct BIT {
	int n; vector<int> val;
	BIT(int _n = 0): n(_n), val(n + 1, 0) {}
	void modify(int p, int v) {
		for (; p <= n; p += p & -p)
			val[p] += v;
	}
	int query(int p) {
		int r = 0;
		for (; p > 0; p -= p & -p)
			r += val[p];
		return r;
	}
} bit;

const int kN = 100'001;
int N, C[kN], A[kN], B[kN];
int par[kN];
vector<int> chi[kN];

int get_inversion(vector<int>& val) {
	int ans = 0;
	for (int &i: val) {
		ans += bit.query(i - 1);
		bit.modify(i, 1);
	}
	for (int &i: val)
		bit.modify(i, -1);
	return ans;
}

signed main() {
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

	cin >> N;
	LISAN lisan;
	for (int i = 1; i <= N; ++i) {
		cin >> C[i];
		lisan.pb(C[i]);
	}
	lisan.done();
	for (int i = 1; i <= N; ++i)
		C[i] = lisan(C[i]) + 1;
	bit = BIT(lisan.size());
	for (int i = 1; i < N; ++i) {
		cin >> A[i] >> B[i];
		par[B[i]] = A[i];
		chi[A[i]].pb(B[i]);
	}

	for (int i = 1; i < N; ++i) {
		int u = A[i];
		vector<int> val;
		do {
			val.pb(C[u]);
			u = par[u];
		} while (u != 0);

		cout << get_inversion(val) << '\n';

		// set value for 1 -> B[j];
		u = A[i];
		do {
			C[u] = C[B[i]];
			u = par[u];
		} while (u != 0);
	}
	
	return 0;
}

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2636 KB	Output is correct
2	Correct	2 ms	2636 KB	Output is correct
3	Correct	2 ms	2636 KB	Output is correct
4	Correct	2 ms	2636 KB	Output is correct
5	Correct	2 ms	2636 KB	Output is correct
6	Correct	2 ms	2636 KB	Output is correct
7	Correct	2 ms	2636 KB	Output is correct
8	Correct	6 ms	2636 KB	Output is correct
9	Correct	6 ms	2712 KB	Output is correct
10	Correct	5 ms	2712 KB	Output is correct
11	Correct	3 ms	2636 KB	Output is correct
12	Correct	3 ms	2636 KB	Output is correct
13	Correct	3 ms	2636 KB	Output is correct
14	Correct	3 ms	2636 KB	Output is correct
15	Correct	2 ms	2636 KB	Output is correct
16	Correct	2 ms	2704 KB	Output is correct
17	Correct	2 ms	2636 KB	Output is correct
18	Correct	2 ms	2684 KB	Output is correct
19	Correct	3 ms	2636 KB	Output is correct
20	Correct	3 ms	2636 KB	Output is correct
21	Correct	3 ms	2636 KB	Output is correct
22	Correct	2 ms	2636 KB	Output is correct
23	Correct	2 ms	2636 KB	Output is correct
24	Correct	2 ms	2636 KB	Output is correct
25	Correct	2 ms	2636 KB	Output is correct
26	Correct	5 ms	2636 KB	Output is correct
27	Correct	4 ms	2636 KB	Output is correct
28	Correct	3 ms	2636 KB	Output is correct
29	Correct	3 ms	2636 KB	Output is correct
30	Correct	2 ms	2636 KB	Output is correct
31	Correct	2 ms	2636 KB	Output is correct
32	Correct	3 ms	2636 KB	Output is correct
33	Correct	3 ms	2636 KB	Output is correct
34	Correct	2 ms	2636 KB	Output is correct
35	Correct	2 ms	2636 KB	Output is correct
36	Correct	2 ms	2636 KB	Output is correct
37	Correct	3 ms	2636 KB	Output is correct
38	Correct	2 ms	2636 KB	Output is correct
39	Correct	2 ms	2636 KB	Output is correct
40	Correct	3 ms	2636 KB	Output is correct
41	Correct	2 ms	2636 KB	Output is correct
42	Correct	2 ms	2636 KB	Output is correct
43	Correct	2 ms	2636 KB	Output is correct
44	Correct	2 ms	2652 KB	Output is correct

Subtask #2
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2636 KB	Output is correct
2	Correct	2 ms	2636 KB	Output is correct
3	Correct	2 ms	2636 KB	Output is correct
4	Correct	2 ms	2636 KB	Output is correct
5	Correct	2 ms	2636 KB	Output is correct
6	Correct	2 ms	2636 KB	Output is correct
7	Correct	2 ms	2636 KB	Output is correct
8	Correct	6 ms	2636 KB	Output is correct
9	Correct	6 ms	2712 KB	Output is correct
10	Correct	5 ms	2712 KB	Output is correct
11	Correct	3 ms	2636 KB	Output is correct
12	Correct	3 ms	2636 KB	Output is correct
13	Correct	3 ms	2636 KB	Output is correct
14	Correct	3 ms	2636 KB	Output is correct
15	Correct	2 ms	2636 KB	Output is correct
16	Correct	2 ms	2704 KB	Output is correct
17	Correct	2 ms	2636 KB	Output is correct
18	Correct	2 ms	2684 KB	Output is correct
19	Correct	3 ms	2636 KB	Output is correct
20	Correct	3 ms	2636 KB	Output is correct
21	Correct	3 ms	2636 KB	Output is correct
22	Correct	2 ms	2636 KB	Output is correct
23	Correct	2 ms	2636 KB	Output is correct
24	Correct	2 ms	2636 KB	Output is correct
25	Correct	2 ms	2636 KB	Output is correct
26	Correct	5 ms	2636 KB	Output is correct
27	Correct	4 ms	2636 KB	Output is correct
28	Correct	3 ms	2636 KB	Output is correct
29	Correct	3 ms	2636 KB	Output is correct
30	Correct	2 ms	2636 KB	Output is correct
31	Correct	2 ms	2636 KB	Output is correct
32	Correct	3 ms	2636 KB	Output is correct
33	Correct	3 ms	2636 KB	Output is correct
34	Correct	2 ms	2636 KB	Output is correct
35	Correct	2 ms	2636 KB	Output is correct
36	Correct	2 ms	2636 KB	Output is correct
37	Correct	3 ms	2636 KB	Output is correct
38	Correct	2 ms	2636 KB	Output is correct
39	Correct	2 ms	2636 KB	Output is correct
40	Correct	3 ms	2636 KB	Output is correct
41	Correct	2 ms	2636 KB	Output is correct
42	Correct	2 ms	2636 KB	Output is correct
43	Correct	2 ms	2636 KB	Output is correct
44	Correct	2 ms	2652 KB	Output is correct
45	Correct	2 ms	2636 KB	Output is correct
46	Correct	5 ms	2764 KB	Output is correct
47	Correct	5 ms	2840 KB	Output is correct
48	Correct	6 ms	2764 KB	Output is correct
49	Correct	218 ms	2924 KB	Output is correct
50	Correct	237 ms	2920 KB	Output is correct
51	Correct	217 ms	3028 KB	Output is correct
52	Correct	108 ms	2764 KB	Output is correct
53	Correct	111 ms	2840 KB	Output is correct
54	Correct	113 ms	2852 KB	Output is correct
55	Correct	117 ms	2764 KB	Output is correct
56	Correct	112 ms	2848 KB	Output is correct
57	Correct	5 ms	2764 KB	Output is correct
58	Correct	6 ms	2764 KB	Output is correct
59	Correct	6 ms	2764 KB	Output is correct
60	Correct	6 ms	2764 KB	Output is correct
61	Correct	111 ms	2840 KB	Output is correct
62	Correct	109 ms	2860 KB	Output is correct
63	Correct	115 ms	2856 KB	Output is correct
64	Correct	4 ms	2764 KB	Output is correct
65	Correct	4 ms	2764 KB	Output is correct
66	Correct	5 ms	2764 KB	Output is correct
67	Correct	6 ms	2764 KB	Output is correct
68	Correct	148 ms	2900 KB	Output is correct
69	Correct	109 ms	2848 KB	Output is correct
70	Correct	79 ms	2840 KB	Output is correct
71	Correct	79 ms	2840 KB	Output is correct
72	Correct	6 ms	2764 KB	Output is correct
73	Correct	5 ms	2764 KB	Output is correct
74	Correct	82 ms	2844 KB	Output is correct
75	Correct	57 ms	2764 KB	Output is correct
76	Correct	40 ms	2848 KB	Output is correct
77	Correct	30 ms	2764 KB	Output is correct
78	Correct	40 ms	2836 KB	Output is correct
79	Correct	30 ms	2764 KB	Output is correct
80	Correct	22 ms	2836 KB	Output is correct
81	Correct	61 ms	2844 KB	Output is correct
82	Correct	40 ms	2844 KB	Output is correct
83	Correct	31 ms	2844 KB	Output is correct
84	Correct	40 ms	2836 KB	Output is correct
85	Correct	28 ms	2764 KB	Output is correct
86	Correct	25 ms	2832 KB	Output is correct

Subtask #3
0 / 84.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2636 KB	Output is correct
2	Correct	2 ms	2636 KB	Output is correct
3	Correct	2 ms	2636 KB	Output is correct
4	Correct	2 ms	2636 KB	Output is correct
5	Correct	2 ms	2636 KB	Output is correct
6	Correct	2 ms	2636 KB	Output is correct
7	Correct	2 ms	2636 KB	Output is correct
8	Correct	6 ms	2636 KB	Output is correct
9	Correct	6 ms	2712 KB	Output is correct
10	Correct	5 ms	2712 KB	Output is correct
11	Correct	3 ms	2636 KB	Output is correct
12	Correct	3 ms	2636 KB	Output is correct
13	Correct	3 ms	2636 KB	Output is correct
14	Correct	3 ms	2636 KB	Output is correct
15	Correct	2 ms	2636 KB	Output is correct
16	Correct	2 ms	2704 KB	Output is correct
17	Correct	2 ms	2636 KB	Output is correct
18	Correct	2 ms	2684 KB	Output is correct
19	Correct	3 ms	2636 KB	Output is correct
20	Correct	3 ms	2636 KB	Output is correct
21	Correct	3 ms	2636 KB	Output is correct
22	Correct	2 ms	2636 KB	Output is correct
23	Correct	2 ms	2636 KB	Output is correct
24	Correct	2 ms	2636 KB	Output is correct
25	Correct	2 ms	2636 KB	Output is correct
26	Correct	5 ms	2636 KB	Output is correct
27	Correct	4 ms	2636 KB	Output is correct
28	Correct	3 ms	2636 KB	Output is correct
29	Correct	3 ms	2636 KB	Output is correct
30	Correct	2 ms	2636 KB	Output is correct
31	Correct	2 ms	2636 KB	Output is correct
32	Correct	3 ms	2636 KB	Output is correct
33	Correct	3 ms	2636 KB	Output is correct
34	Correct	2 ms	2636 KB	Output is correct
35	Correct	2 ms	2636 KB	Output is correct
36	Correct	2 ms	2636 KB	Output is correct
37	Correct	3 ms	2636 KB	Output is correct
38	Correct	2 ms	2636 KB	Output is correct
39	Correct	2 ms	2636 KB	Output is correct
40	Correct	3 ms	2636 KB	Output is correct
41	Correct	2 ms	2636 KB	Output is correct
42	Correct	2 ms	2636 KB	Output is correct
43	Correct	2 ms	2636 KB	Output is correct
44	Correct	2 ms	2652 KB	Output is correct
45	Correct	2 ms	2636 KB	Output is correct
46	Correct	5 ms	2764 KB	Output is correct
47	Correct	5 ms	2840 KB	Output is correct
48	Correct	6 ms	2764 KB	Output is correct
49	Correct	218 ms	2924 KB	Output is correct
50	Correct	237 ms	2920 KB	Output is correct
51	Correct	217 ms	3028 KB	Output is correct
52	Correct	108 ms	2764 KB	Output is correct
53	Correct	111 ms	2840 KB	Output is correct
54	Correct	113 ms	2852 KB	Output is correct
55	Correct	117 ms	2764 KB	Output is correct
56	Correct	112 ms	2848 KB	Output is correct
57	Correct	5 ms	2764 KB	Output is correct
58	Correct	6 ms	2764 KB	Output is correct
59	Correct	6 ms	2764 KB	Output is correct
60	Correct	6 ms	2764 KB	Output is correct
61	Correct	111 ms	2840 KB	Output is correct
62	Correct	109 ms	2860 KB	Output is correct
63	Correct	115 ms	2856 KB	Output is correct
64	Correct	4 ms	2764 KB	Output is correct
65	Correct	4 ms	2764 KB	Output is correct
66	Correct	5 ms	2764 KB	Output is correct
67	Correct	6 ms	2764 KB	Output is correct
68	Correct	148 ms	2900 KB	Output is correct
69	Correct	109 ms	2848 KB	Output is correct
70	Correct	79 ms	2840 KB	Output is correct
71	Correct	79 ms	2840 KB	Output is correct
72	Correct	6 ms	2764 KB	Output is correct
73	Correct	5 ms	2764 KB	Output is correct
74	Correct	82 ms	2844 KB	Output is correct
75	Correct	57 ms	2764 KB	Output is correct
76	Correct	40 ms	2848 KB	Output is correct
77	Correct	30 ms	2764 KB	Output is correct
78	Correct	40 ms	2836 KB	Output is correct
79	Correct	30 ms	2764 KB	Output is correct
80	Correct	22 ms	2836 KB	Output is correct
81	Correct	61 ms	2844 KB	Output is correct
82	Correct	40 ms	2844 KB	Output is correct
83	Correct	31 ms	2844 KB	Output is correct
84	Correct	40 ms	2836 KB	Output is correct
85	Correct	28 ms	2764 KB	Output is correct
86	Correct	25 ms	2832 KB	Output is correct
87	Correct	16 ms	3092 KB	Output is correct
88	Correct	42 ms	3936 KB	Output is correct
89	Correct	137 ms	6904 KB	Output is correct
90	Correct	125 ms	6852 KB	Output is correct
91	Correct	132 ms	6788 KB	Output is correct
92	Execution timed out	2070 ms	8336 KB	Time limit exceeded
93	Halted	0 ms	0 KB	-

답안 #529075

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 9.0 / 9.0

Subtask #3 0 / 84.0

Subtask #1
7.0 / 7.0

Subtask #2
9.0 / 9.0

Subtask #3
0 / 84.0