답안 #74333

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
74333 2018-08-31T10:21:20 Z nvmdava 고대 책들 (IOI17_books) C++17
50 / 100
202 ms 13440 KB
#include "books.h"
#include <bits/stdc++.h>
using namespace std;
int r = -1, l = 1000001;
vector<int> p;
bool in[1000001];
void go(int v){
	if(in[v] == 1){
		return;
	}
	in[v] = 1;
	r = max(r, v);
	go(p[v]);
}
 
long long minimum_walk(vector<int> p, int s) {
	::p = p;
	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(s < l && l != 1000001){
		ans += (l - s) * 2;
	} else if(s > r &&r != -1){
		ans += (r - s) * 2;
	}
	return ans;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:20:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < p.size(); i++){
                 ~~^~~~~~~~~~
books.cpp:18:6: warning: unused variable 'q' [-Wunused-variable]
  int q = 0;
      ^
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 2 ms 484 KB Output is correct
5 Correct 2 ms 484 KB Output is correct
6 Correct 2 ms 484 KB Output is correct
7 Correct 2 ms 544 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 624 KB Output is correct
12 Correct 2 ms 636 KB Output is correct
13 Correct 2 ms 640 KB Output is correct
14 Correct 2 ms 640 KB Output is correct
15 Correct 2 ms 640 KB Output is correct
16 Correct 2 ms 640 KB Output is correct
17 Correct 2 ms 640 KB Output is correct
18 Correct 2 ms 640 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 2 ms 484 KB Output is correct
5 Correct 2 ms 484 KB Output is correct
6 Correct 2 ms 484 KB Output is correct
7 Correct 2 ms 544 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 624 KB Output is correct
12 Correct 2 ms 636 KB Output is correct
13 Correct 2 ms 640 KB Output is correct
14 Correct 2 ms 640 KB Output is correct
15 Correct 2 ms 640 KB Output is correct
16 Correct 2 ms 640 KB Output is correct
17 Correct 2 ms 640 KB Output is correct
18 Correct 2 ms 640 KB Output is correct
19 Correct 2 ms 640 KB Output is correct
20 Correct 2 ms 640 KB Output is correct
21 Correct 2 ms 640 KB Output is correct
22 Correct 2 ms 640 KB Output is correct
23 Correct 2 ms 640 KB Output is correct
24 Correct 2 ms 640 KB Output is correct
25 Correct 2 ms 640 KB Output is correct
26 Correct 2 ms 640 KB Output is correct
27 Correct 2 ms 640 KB Output is correct
28 Correct 2 ms 640 KB Output is correct
29 Correct 3 ms 640 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 2 ms 484 KB Output is correct
5 Correct 2 ms 484 KB Output is correct
6 Correct 2 ms 484 KB Output is correct
7 Correct 2 ms 544 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 624 KB Output is correct
12 Correct 2 ms 636 KB Output is correct
13 Correct 2 ms 640 KB Output is correct
14 Correct 2 ms 640 KB Output is correct
15 Correct 2 ms 640 KB Output is correct
16 Correct 2 ms 640 KB Output is correct
17 Correct 2 ms 640 KB Output is correct
18 Correct 2 ms 640 KB Output is correct
19 Correct 2 ms 640 KB Output is correct
20 Correct 2 ms 640 KB Output is correct
21 Correct 2 ms 640 KB Output is correct
22 Correct 2 ms 640 KB Output is correct
23 Correct 2 ms 640 KB Output is correct
24 Correct 2 ms 640 KB Output is correct
25 Correct 2 ms 640 KB Output is correct
26 Correct 2 ms 640 KB Output is correct
27 Correct 2 ms 640 KB Output is correct
28 Correct 2 ms 640 KB Output is correct
29 Correct 3 ms 640 KB Output is correct
30 Correct 202 ms 13312 KB Output is correct
31 Correct 198 ms 13312 KB Output is correct
32 Correct 144 ms 13312 KB Output is correct
33 Correct 157 ms 13312 KB Output is correct
34 Correct 149 ms 13344 KB Output is correct
35 Correct 164 ms 13344 KB Output is correct
36 Correct 162 ms 13344 KB Output is correct
37 Correct 158 ms 13344 KB Output is correct
38 Correct 187 ms 13344 KB Output is correct
39 Correct 158 ms 13440 KB Output is correct
40 Correct 160 ms 13440 KB Output is correct
41 Correct 184 ms 13440 KB Output is correct
42 Correct 179 ms 13440 KB Output is correct
43 Correct 150 ms 13440 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 13440 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 2 ms 484 KB Output is correct
5 Correct 2 ms 484 KB Output is correct
6 Correct 2 ms 484 KB Output is correct
7 Correct 2 ms 544 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 624 KB Output is correct
12 Correct 2 ms 636 KB Output is correct
13 Correct 2 ms 640 KB Output is correct
14 Correct 2 ms 640 KB Output is correct
15 Correct 2 ms 640 KB Output is correct
16 Correct 2 ms 640 KB Output is correct
17 Correct 2 ms 640 KB Output is correct
18 Correct 2 ms 640 KB Output is correct
19 Correct 2 ms 640 KB Output is correct
20 Correct 2 ms 640 KB Output is correct
21 Correct 2 ms 640 KB Output is correct
22 Correct 2 ms 640 KB Output is correct
23 Correct 2 ms 640 KB Output is correct
24 Correct 2 ms 640 KB Output is correct
25 Correct 2 ms 640 KB Output is correct
26 Correct 2 ms 640 KB Output is correct
27 Correct 2 ms 640 KB Output is correct
28 Correct 2 ms 640 KB Output is correct
29 Correct 3 ms 640 KB Output is correct
30 Correct 202 ms 13312 KB Output is correct
31 Correct 198 ms 13312 KB Output is correct
32 Correct 144 ms 13312 KB Output is correct
33 Correct 157 ms 13312 KB Output is correct
34 Correct 149 ms 13344 KB Output is correct
35 Correct 164 ms 13344 KB Output is correct
36 Correct 162 ms 13344 KB Output is correct
37 Correct 158 ms 13344 KB Output is correct
38 Correct 187 ms 13344 KB Output is correct
39 Correct 158 ms 13440 KB Output is correct
40 Correct 160 ms 13440 KB Output is correct
41 Correct 184 ms 13440 KB Output is correct
42 Correct 179 ms 13440 KB Output is correct
43 Correct 150 ms 13440 KB Output is correct
44 Incorrect 2 ms 13440 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -