답안 #74371 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
74371	2018-08-31T12:35:43 Z	nvmdava	고대 책들 (IOI17_books)	C++17	50 / 100	215 ms	13348 KB

books

#include "books.h"
#include <bits/stdc++.h>
using namespace std;
int r = -1, l = 1000001;
vector<int> p;
bool in[1000001];
int cl = -1;
int s;
int cr = 1000001;
void go(int v){
	if(in[v] == 1){
		return;
	}
	if(v <= s){
		cl = max(cl, v);
	} else {
		cr = min(cr, v);
	}
	in[v] = 1;
	r = max(r, v);
	go(p[v]);
}
 
long long minimum_walk(vector<int> p, int s) {
	::p = p;
	::s = s;
	int q = 0;
	long long ans = 0;
	for(int i = 0; i < p.size(); i++){
		ans += (long long)abs(i - p[i]);
		if(in[i] || p[i] == i) continue;
		l = min(l, i);
		if(r < i && r != -1){
			ans += (long long)(i - r) * 2;
		}
		go(i);
	}
	if(in[s] == 0){	
		if(cl != -1 && cr != 1000001) ans +=2 *  min(s - cl, cr - s);
		else if(cl != -1) ans += 2 * (s - cl);
		else if(cr != 1000001) ans += 2 * (cr - s);
	}
	return ans;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:29:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < p.size(); i++){
                 ~~^~~~~~~~~~
books.cpp:27:6: warning: unused variable 'q' [-Wunused-variable]
  int q = 0;
      ^

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	500 KB	Output is correct
3	Correct	2 ms	548 KB	Output is correct
4	Correct	2 ms	548 KB	Output is correct
5	Correct	2 ms	548 KB	Output is correct
6	Correct	2 ms	548 KB	Output is correct
7	Correct	2 ms	548 KB	Output is correct
8	Correct	2 ms	548 KB	Output is correct
9	Correct	2 ms	548 KB	Output is correct
10	Correct	6 ms	548 KB	Output is correct
11	Correct	2 ms	552 KB	Output is correct
12	Correct	2 ms	552 KB	Output is correct
13	Correct	2 ms	552 KB	Output is correct
14	Correct	2 ms	552 KB	Output is correct
15	Correct	2 ms	564 KB	Output is correct
16	Correct	2 ms	580 KB	Output is correct
17	Correct	2 ms	580 KB	Output is correct
18	Correct	2 ms	580 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	500 KB	Output is correct
3	Correct	2 ms	548 KB	Output is correct
4	Correct	2 ms	548 KB	Output is correct
5	Correct	2 ms	548 KB	Output is correct
6	Correct	2 ms	548 KB	Output is correct
7	Correct	2 ms	548 KB	Output is correct
8	Correct	2 ms	548 KB	Output is correct
9	Correct	2 ms	548 KB	Output is correct
10	Correct	6 ms	548 KB	Output is correct
11	Correct	2 ms	552 KB	Output is correct
12	Correct	2 ms	552 KB	Output is correct
13	Correct	2 ms	552 KB	Output is correct
14	Correct	2 ms	552 KB	Output is correct
15	Correct	2 ms	564 KB	Output is correct
16	Correct	2 ms	580 KB	Output is correct
17	Correct	2 ms	580 KB	Output is correct
18	Correct	2 ms	580 KB	Output is correct
19	Correct	2 ms	592 KB	Output is correct
20	Correct	2 ms	748 KB	Output is correct
21	Correct	2 ms	748 KB	Output is correct
22	Correct	2 ms	748 KB	Output is correct
23	Correct	2 ms	748 KB	Output is correct
24	Correct	2 ms	748 KB	Output is correct
25	Correct	2 ms	748 KB	Output is correct
26	Correct	2 ms	748 KB	Output is correct
27	Correct	2 ms	748 KB	Output is correct
28	Correct	2 ms	748 KB	Output is correct
29	Correct	2 ms	748 KB	Output is correct

Subtask #3
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	500 KB	Output is correct
3	Correct	2 ms	548 KB	Output is correct
4	Correct	2 ms	548 KB	Output is correct
5	Correct	2 ms	548 KB	Output is correct
6	Correct	2 ms	548 KB	Output is correct
7	Correct	2 ms	548 KB	Output is correct
8	Correct	2 ms	548 KB	Output is correct
9	Correct	2 ms	548 KB	Output is correct
10	Correct	6 ms	548 KB	Output is correct
11	Correct	2 ms	552 KB	Output is correct
12	Correct	2 ms	552 KB	Output is correct
13	Correct	2 ms	552 KB	Output is correct
14	Correct	2 ms	552 KB	Output is correct
15	Correct	2 ms	564 KB	Output is correct
16	Correct	2 ms	580 KB	Output is correct
17	Correct	2 ms	580 KB	Output is correct
18	Correct	2 ms	580 KB	Output is correct
19	Correct	2 ms	592 KB	Output is correct
20	Correct	2 ms	748 KB	Output is correct
21	Correct	2 ms	748 KB	Output is correct
22	Correct	2 ms	748 KB	Output is correct
23	Correct	2 ms	748 KB	Output is correct
24	Correct	2 ms	748 KB	Output is correct
25	Correct	2 ms	748 KB	Output is correct
26	Correct	2 ms	748 KB	Output is correct
27	Correct	2 ms	748 KB	Output is correct
28	Correct	2 ms	748 KB	Output is correct
29	Correct	2 ms	748 KB	Output is correct
30	Correct	203 ms	13280 KB	Output is correct
31	Correct	215 ms	13348 KB	Output is correct
32	Correct	144 ms	13348 KB	Output is correct
33	Correct	162 ms	13348 KB	Output is correct
34	Correct	152 ms	13348 KB	Output is correct
35	Correct	157 ms	13348 KB	Output is correct
36	Correct	164 ms	13348 KB	Output is correct
37	Correct	171 ms	13348 KB	Output is correct
38	Correct	164 ms	13348 KB	Output is correct
39	Correct	202 ms	13348 KB	Output is correct
40	Correct	183 ms	13348 KB	Output is correct
41	Correct	204 ms	13348 KB	Output is correct
42	Correct	192 ms	13348 KB	Output is correct
43	Correct	157 ms	13348 KB	Output is correct

Subtask #4
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	2 ms	13348 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	2 ms	256 KB	Output is correct
2	Correct	2 ms	500 KB	Output is correct
3	Correct	2 ms	548 KB	Output is correct
4	Correct	2 ms	548 KB	Output is correct
5	Correct	2 ms	548 KB	Output is correct
6	Correct	2 ms	548 KB	Output is correct
7	Correct	2 ms	548 KB	Output is correct
8	Correct	2 ms	548 KB	Output is correct
9	Correct	2 ms	548 KB	Output is correct
10	Correct	6 ms	548 KB	Output is correct
11	Correct	2 ms	552 KB	Output is correct
12	Correct	2 ms	552 KB	Output is correct
13	Correct	2 ms	552 KB	Output is correct
14	Correct	2 ms	552 KB	Output is correct
15	Correct	2 ms	564 KB	Output is correct
16	Correct	2 ms	580 KB	Output is correct
17	Correct	2 ms	580 KB	Output is correct
18	Correct	2 ms	580 KB	Output is correct
19	Correct	2 ms	592 KB	Output is correct
20	Correct	2 ms	748 KB	Output is correct
21	Correct	2 ms	748 KB	Output is correct
22	Correct	2 ms	748 KB	Output is correct
23	Correct	2 ms	748 KB	Output is correct
24	Correct	2 ms	748 KB	Output is correct
25	Correct	2 ms	748 KB	Output is correct
26	Correct	2 ms	748 KB	Output is correct
27	Correct	2 ms	748 KB	Output is correct
28	Correct	2 ms	748 KB	Output is correct
29	Correct	2 ms	748 KB	Output is correct
30	Correct	203 ms	13280 KB	Output is correct
31	Correct	215 ms	13348 KB	Output is correct
32	Correct	144 ms	13348 KB	Output is correct
33	Correct	162 ms	13348 KB	Output is correct
34	Correct	152 ms	13348 KB	Output is correct
35	Correct	157 ms	13348 KB	Output is correct
36	Correct	164 ms	13348 KB	Output is correct
37	Correct	171 ms	13348 KB	Output is correct
38	Correct	164 ms	13348 KB	Output is correct
39	Correct	202 ms	13348 KB	Output is correct
40	Correct	183 ms	13348 KB	Output is correct
41	Correct	204 ms	13348 KB	Output is correct
42	Correct	192 ms	13348 KB	Output is correct
43	Correct	157 ms	13348 KB	Output is correct
44	Incorrect	2 ms	13348 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

답안 #74371

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