답안 #105243

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
105243 2019-04-11T04:05:56 Z bert30702 고대 책들 (IOI17_books) C++17
50 / 100
279 ms 20220 KB
#include <bits/stdc++.h>
#include "books.h"
using namespace std;
const int MX = 1e6 + 100;
int mn[MX], mx[MX];
long long minimum_walk(vector<int> p, int s) {
	int n = p.size(), t = 0;
	for(int i = 0; i < n; i ++) mn[i] = i;
	while(p[n - 1] == n - 1 and n - 1 > s) n --;
	while(p[t    ] == t     and t     < s) t ++;
	long long sum = 0;
	auto update = [&] (int s, int p) {
		mx[s] = max(mx[s], mx[p]);
		mn[s] = min(mn[s], mn[p]);
	};
	for(int i = t; i < n; i ++) {
		mx[p[i]] = max(mx[p[i]], i);
		mn[p[i]] = min(mn[p[i]], i);
		mx[i]    = max(mx[i], p[i]);
		mn[i]    = min(mn[i], p[i]);
		sum += abs(i - p[i]);
	}
	queue<int> l, r;
	for(int i = s - 1; i >= t; i --) l.push(i);
	for(int i = s + 1; i <  n; i ++) r.push(i);
	srand(time(0));
	while(1) {
			 if(l.size() and l.front() >= mn[s]) update(s, l.front()), l.pop();
		else if(r.size() and r.front() <= mx[s]) update(s, r.front()), r.pop();
		else if(l.size() and r.size() and rand() % 2) {
			sum += 2;
			update(s, r.front()), r.pop();
		}
		else if(l.size()) sum += 2, update(s, l.front()), l.pop();
		else if(r.size()) sum += 2, update(s, r.front()), r.pop();
		else break;
	}
	return sum;
}
//main () {
//	cout << minimum_walk({2, 3, 0, 1}, 0);
//}
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 3 ms 256 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 256 KB Output is correct
11 Correct 3 ms 256 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 3 ms 256 KB Output is correct
15 Correct 0 ms 356 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 256 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 3 ms 256 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 256 KB Output is correct
11 Correct 3 ms 256 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 3 ms 256 KB Output is correct
15 Correct 0 ms 356 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 256 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
29 Correct 3 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 3 ms 256 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 256 KB Output is correct
11 Correct 3 ms 256 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 3 ms 256 KB Output is correct
15 Correct 0 ms 356 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 256 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
29 Correct 3 ms 384 KB Output is correct
30 Correct 234 ms 20168 KB Output is correct
31 Correct 229 ms 20088 KB Output is correct
32 Correct 160 ms 12124 KB Output is correct
33 Correct 177 ms 20088 KB Output is correct
34 Correct 189 ms 20088 KB Output is correct
35 Correct 279 ms 20060 KB Output is correct
36 Correct 198 ms 20220 KB Output is correct
37 Correct 147 ms 20216 KB Output is correct
38 Correct 163 ms 20088 KB Output is correct
39 Correct 220 ms 20088 KB Output is correct
40 Correct 154 ms 20088 KB Output is correct
41 Correct 177 ms 20088 KB Output is correct
42 Correct 174 ms 20088 KB Output is correct
43 Correct 153 ms 20088 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 384 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3854'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 3 ms 256 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 256 KB Output is correct
11 Correct 3 ms 256 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 3 ms 256 KB Output is correct
15 Correct 0 ms 356 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 256 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
29 Correct 3 ms 384 KB Output is correct
30 Correct 234 ms 20168 KB Output is correct
31 Correct 229 ms 20088 KB Output is correct
32 Correct 160 ms 12124 KB Output is correct
33 Correct 177 ms 20088 KB Output is correct
34 Correct 189 ms 20088 KB Output is correct
35 Correct 279 ms 20060 KB Output is correct
36 Correct 198 ms 20220 KB Output is correct
37 Correct 147 ms 20216 KB Output is correct
38 Correct 163 ms 20088 KB Output is correct
39 Correct 220 ms 20088 KB Output is correct
40 Correct 154 ms 20088 KB Output is correct
41 Correct 177 ms 20088 KB Output is correct
42 Correct 174 ms 20088 KB Output is correct
43 Correct 153 ms 20088 KB Output is correct
44 Incorrect 3 ms 384 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3854'
45 Halted 0 ms 0 KB -