답안 #897707

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
897707	2024-01-03T15:14:13 Z	lovrot	Construction of Highway (JOI18_construction)	C++17	16 / 100	278 ms	856 KB

construction

#include <cstdio> 
#include <vector> 
#include <algorithm> 

#define EB emplace_back

using namespace std;

typedef long long ll; 

const int LOG = 12;
const int N = 1 << LOG; 

int n, C[N]; 

int F[N]; 

void add(int x, int val) {
	for(++x; x < N; x += x & -x) F[x] += val;
}

int sum(int x) {
	int sum = 0;
	for(++x; x; x -= x & -x) sum += F[x]; 
	return sum;
}

int P[N];
vector<int> S; 

int main() {
	scanf("%d", &n); 
	for(int i = 1; i <= n; ++i) {
		scanf("%d", C + i); 
		S.EB(C[i]); 
	}

	sort(S.begin(), S.end()); 
	S.erase(unique(S.begin(), S.end()), S.end()); 

	for(int i = 0; i < n - 1; ++i) {
		int a, b;
		scanf("%d%d", &a, &b); 

		ll cost = 0;
		for(int _a = a; _a; _a = P[_a]) {
			int pos = lower_bound(S.begin(), S.end(), C[_a]) - S.begin() + 1;
			cost += (ll) sum(pos - 1); 
			add(pos, 1); 
		}
		
		printf("%lld\n", cost); 

		for(int _a = a; _a; _a = P[_a]) {
			int pos = lower_bound(S.begin(), S.end(), C[_a]) - S.begin() + 1;
			add(pos, -1);
			C[_a] = C[b];
		}

		P[b] = a;
	}
	return 0;
}

Compilation message

construction.cpp: In function 'int main()':
construction.cpp:32:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
construction.cpp:34:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |   scanf("%d", C + i);
      |   ~~~~~^~~~~~~~~~~~~
construction.cpp:43:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |   scanf("%d%d", &a, &b);
      |   ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	456 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	500 KB	Output is correct
7	Correct	1 ms	432 KB	Output is correct
8	Correct	4 ms	432 KB	Output is correct
9	Correct	4 ms	348 KB	Output is correct
10	Correct	4 ms	348 KB	Output is correct
11	Correct	2 ms	348 KB	Output is correct
12	Correct	3 ms	348 KB	Output is correct
13	Correct	2 ms	348 KB	Output is correct
14	Correct	3 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	2 ms	348 KB	Output is correct
20	Correct	2 ms	344 KB	Output is correct
21	Correct	2 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	4 ms	348 KB	Output is correct
27	Correct	2 ms	348 KB	Output is correct
28	Correct	2 ms	348 KB	Output is correct
29	Correct	2 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	2 ms	456 KB	Output is correct
33	Correct	2 ms	348 KB	Output is correct
34	Correct	1 ms	456 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	1 ms	428 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	2 ms	428 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	1 ms	348 KB	Output is correct
42	Correct	1 ms	600 KB	Output is correct
43	Correct	1 ms	348 KB	Output is correct
44	Correct	1 ms	344 KB	Output is correct

Subtask #2
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	456 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	500 KB	Output is correct
7	Correct	1 ms	432 KB	Output is correct
8	Correct	4 ms	432 KB	Output is correct
9	Correct	4 ms	348 KB	Output is correct
10	Correct	4 ms	348 KB	Output is correct
11	Correct	2 ms	348 KB	Output is correct
12	Correct	3 ms	348 KB	Output is correct
13	Correct	2 ms	348 KB	Output is correct
14	Correct	3 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	2 ms	348 KB	Output is correct
20	Correct	2 ms	344 KB	Output is correct
21	Correct	2 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	4 ms	348 KB	Output is correct
27	Correct	2 ms	348 KB	Output is correct
28	Correct	2 ms	348 KB	Output is correct
29	Correct	2 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	2 ms	456 KB	Output is correct
33	Correct	2 ms	348 KB	Output is correct
34	Correct	1 ms	456 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	1 ms	428 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	2 ms	428 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	1 ms	348 KB	Output is correct
42	Correct	1 ms	600 KB	Output is correct
43	Correct	1 ms	348 KB	Output is correct
44	Correct	1 ms	344 KB	Output is correct
45	Correct	1 ms	348 KB	Output is correct
46	Correct	6 ms	520 KB	Output is correct
47	Correct	6 ms	576 KB	Output is correct
48	Correct	5 ms	576 KB	Output is correct
49	Correct	261 ms	360 KB	Output is correct
50	Correct	278 ms	556 KB	Output is correct
51	Correct	257 ms	348 KB	Output is correct
52	Correct	130 ms	348 KB	Output is correct
53	Correct	150 ms	556 KB	Output is correct
54	Correct	132 ms	348 KB	Output is correct
55	Correct	133 ms	556 KB	Output is correct
56	Correct	136 ms	348 KB	Output is correct
57	Correct	6 ms	344 KB	Output is correct
58	Correct	8 ms	520 KB	Output is correct
59	Correct	8 ms	344 KB	Output is correct
60	Correct	8 ms	348 KB	Output is correct
61	Correct	131 ms	348 KB	Output is correct
62	Correct	144 ms	560 KB	Output is correct
63	Correct	132 ms	344 KB	Output is correct
64	Correct	2 ms	348 KB	Output is correct
65	Correct	3 ms	348 KB	Output is correct
66	Correct	5 ms	444 KB	Output is correct
67	Correct	5 ms	344 KB	Output is correct
68	Correct	211 ms	344 KB	Output is correct
69	Correct	131 ms	348 KB	Output is correct
70	Correct	112 ms	348 KB	Output is correct
71	Correct	123 ms	524 KB	Output is correct
72	Correct	6 ms	348 KB	Output is correct
73	Correct	5 ms	348 KB	Output is correct
74	Correct	105 ms	528 KB	Output is correct
75	Correct	69 ms	552 KB	Output is correct
76	Correct	47 ms	344 KB	Output is correct
77	Correct	36 ms	344 KB	Output is correct
78	Correct	53 ms	520 KB	Output is correct
79	Correct	40 ms	600 KB	Output is correct
80	Correct	27 ms	344 KB	Output is correct
81	Correct	69 ms	548 KB	Output is correct
82	Correct	51 ms	564 KB	Output is correct
83	Correct	37 ms	348 KB	Output is correct
84	Correct	56 ms	348 KB	Output is correct
85	Correct	37 ms	344 KB	Output is correct
86	Correct	28 ms	528 KB	Output is correct

Subtask #3
0 / 84.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	456 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	500 KB	Output is correct
7	Correct	1 ms	432 KB	Output is correct
8	Correct	4 ms	432 KB	Output is correct
9	Correct	4 ms	348 KB	Output is correct
10	Correct	4 ms	348 KB	Output is correct
11	Correct	2 ms	348 KB	Output is correct
12	Correct	3 ms	348 KB	Output is correct
13	Correct	2 ms	348 KB	Output is correct
14	Correct	3 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	2 ms	348 KB	Output is correct
20	Correct	2 ms	344 KB	Output is correct
21	Correct	2 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	4 ms	348 KB	Output is correct
27	Correct	2 ms	348 KB	Output is correct
28	Correct	2 ms	348 KB	Output is correct
29	Correct	2 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	2 ms	456 KB	Output is correct
33	Correct	2 ms	348 KB	Output is correct
34	Correct	1 ms	456 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	1 ms	428 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	2 ms	428 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	1 ms	348 KB	Output is correct
42	Correct	1 ms	600 KB	Output is correct
43	Correct	1 ms	348 KB	Output is correct
44	Correct	1 ms	344 KB	Output is correct
45	Correct	1 ms	348 KB	Output is correct
46	Correct	6 ms	520 KB	Output is correct
47	Correct	6 ms	576 KB	Output is correct
48	Correct	5 ms	576 KB	Output is correct
49	Correct	261 ms	360 KB	Output is correct
50	Correct	278 ms	556 KB	Output is correct
51	Correct	257 ms	348 KB	Output is correct
52	Correct	130 ms	348 KB	Output is correct
53	Correct	150 ms	556 KB	Output is correct
54	Correct	132 ms	348 KB	Output is correct
55	Correct	133 ms	556 KB	Output is correct
56	Correct	136 ms	348 KB	Output is correct
57	Correct	6 ms	344 KB	Output is correct
58	Correct	8 ms	520 KB	Output is correct
59	Correct	8 ms	344 KB	Output is correct
60	Correct	8 ms	348 KB	Output is correct
61	Correct	131 ms	348 KB	Output is correct
62	Correct	144 ms	560 KB	Output is correct
63	Correct	132 ms	344 KB	Output is correct
64	Correct	2 ms	348 KB	Output is correct
65	Correct	3 ms	348 KB	Output is correct
66	Correct	5 ms	444 KB	Output is correct
67	Correct	5 ms	344 KB	Output is correct
68	Correct	211 ms	344 KB	Output is correct
69	Correct	131 ms	348 KB	Output is correct
70	Correct	112 ms	348 KB	Output is correct
71	Correct	123 ms	524 KB	Output is correct
72	Correct	6 ms	348 KB	Output is correct
73	Correct	5 ms	348 KB	Output is correct
74	Correct	105 ms	528 KB	Output is correct
75	Correct	69 ms	552 KB	Output is correct
76	Correct	47 ms	344 KB	Output is correct
77	Correct	36 ms	344 KB	Output is correct
78	Correct	53 ms	520 KB	Output is correct
79	Correct	40 ms	600 KB	Output is correct
80	Correct	27 ms	344 KB	Output is correct
81	Correct	69 ms	548 KB	Output is correct
82	Correct	51 ms	564 KB	Output is correct
83	Correct	37 ms	348 KB	Output is correct
84	Correct	56 ms	348 KB	Output is correct
85	Correct	37 ms	344 KB	Output is correct
86	Correct	28 ms	528 KB	Output is correct
87	Runtime error	2 ms	856 KB	Execution killed with signal 11
88	Halted	0 ms	0 KB	-

답안 #897707

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