답안 #559689

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
559689	2022-05-10T12:02:20 Z	nonsensenonsense1	고대 책들 (IOI17_books)	C++17	50 / 100	113 ms	15840 KB

books

#include "books.h"
#include <cassert>
#include <cstdlib>

const int N = 1000000;
int n;
bool u[N];

long long minimum_walk(std::vector<int> p, int s) {
	long long ans = 0;
	n = (int)p.size();
	int mx = -1, come = ~(1 << 31);
	for (int i = 0; i < n; ++i) if (p[i] != i) {
		come = std::min(come, abs(i - s));
		if (!u[i]) {
			if (i > mx && mx != -1) {
				if (s > mx && s < i) come = 0;
				ans += i - mx << 1;
			}
			int cur = i;
			do {
				ans += abs(cur - p[cur]);
				mx = std::max(mx, cur);
				u[cur] = 1;
				cur = p[cur];
			} while (cur != i);
		}
	}
	if (mx == -1) return 0;
	return ans + come * 2;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:18:14: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   18 |     ans += i - mx << 1;
      |            ~~^~~~

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	288 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	288 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	288 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	288 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	288 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	288 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	292 KB	Output is correct
26	Correct	1 ms	288 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	292 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct

Subtask #3
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	288 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	288 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	288 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	292 KB	Output is correct
26	Correct	1 ms	288 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	292 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	112 ms	15708 KB	Output is correct
31	Correct	113 ms	15840 KB	Output is correct
32	Correct	96 ms	14824 KB	Output is correct
33	Correct	93 ms	15716 KB	Output is correct
34	Correct	93 ms	15704 KB	Output is correct
35	Correct	100 ms	15708 KB	Output is correct
36	Correct	99 ms	15708 KB	Output is correct
37	Correct	95 ms	15704 KB	Output is correct
38	Correct	94 ms	15716 KB	Output is correct
39	Correct	102 ms	15836 KB	Output is correct
40	Correct	96 ms	15716 KB	Output is correct
41	Correct	111 ms	15820 KB	Output is correct
42	Correct	106 ms	15708 KB	Output is correct
43	Correct	100 ms	15784 KB	Output is correct

Subtask #4
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	0 ms	212 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	288 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	288 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	288 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	292 KB	Output is correct
26	Correct	1 ms	288 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	292 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	112 ms	15708 KB	Output is correct
31	Correct	113 ms	15840 KB	Output is correct
32	Correct	96 ms	14824 KB	Output is correct
33	Correct	93 ms	15716 KB	Output is correct
34	Correct	93 ms	15704 KB	Output is correct
35	Correct	100 ms	15708 KB	Output is correct
36	Correct	99 ms	15708 KB	Output is correct
37	Correct	95 ms	15704 KB	Output is correct
38	Correct	94 ms	15716 KB	Output is correct
39	Correct	102 ms	15836 KB	Output is correct
40	Correct	96 ms	15716 KB	Output is correct
41	Correct	111 ms	15820 KB	Output is correct
42	Correct	106 ms	15708 KB	Output is correct
43	Correct	100 ms	15784 KB	Output is correct
44	Incorrect	0 ms	212 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

답안 #559689

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 10.0 / 10.0

Subtask #3 28.0 / 28.0

Subtask #4 0 / 20.0

Subtask #5 0 / 30.0

Subtask #1
12.0 / 12.0

Subtask #2
10.0 / 10.0

Subtask #3
28.0 / 28.0

Subtask #4
0 / 20.0

Subtask #5
0 / 30.0