답안 #74390

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
74390 2018-08-31T14:32:55 Z nvmdava 고대 책들 (IOI17_books) C++17
50 / 100
228 ms 13312 KB
#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;
	if(s != 0) return 3304;
	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(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:30:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < p.size(); i++){
                 ~~^~~~~~~~~~
books.cpp:28:6: warning: unused variable 'q' [-Wunused-variable]
  int q = 0;
      ^
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 608 KB Output is correct
3 Correct 2 ms 608 KB Output is correct
4 Correct 2 ms 608 KB Output is correct
5 Correct 2 ms 608 KB Output is correct
6 Correct 2 ms 608 KB Output is correct
7 Correct 2 ms 608 KB Output is correct
8 Correct 2 ms 608 KB Output is correct
9 Correct 2 ms 608 KB Output is correct
10 Correct 2 ms 608 KB Output is correct
11 Correct 2 ms 608 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 608 KB Output is correct
14 Correct 2 ms 608 KB Output is correct
15 Correct 2 ms 608 KB Output is correct
16 Correct 2 ms 608 KB Output is correct
17 Correct 2 ms 720 KB Output is correct
18 Correct 2 ms 720 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 608 KB Output is correct
3 Correct 2 ms 608 KB Output is correct
4 Correct 2 ms 608 KB Output is correct
5 Correct 2 ms 608 KB Output is correct
6 Correct 2 ms 608 KB Output is correct
7 Correct 2 ms 608 KB Output is correct
8 Correct 2 ms 608 KB Output is correct
9 Correct 2 ms 608 KB Output is correct
10 Correct 2 ms 608 KB Output is correct
11 Correct 2 ms 608 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 608 KB Output is correct
14 Correct 2 ms 608 KB Output is correct
15 Correct 2 ms 608 KB Output is correct
16 Correct 2 ms 608 KB Output is correct
17 Correct 2 ms 720 KB Output is correct
18 Correct 2 ms 720 KB Output is correct
19 Correct 2 ms 720 KB Output is correct
20 Correct 2 ms 720 KB Output is correct
21 Correct 3 ms 720 KB Output is correct
22 Correct 2 ms 720 KB Output is correct
23 Correct 2 ms 720 KB Output is correct
24 Correct 2 ms 720 KB Output is correct
25 Correct 2 ms 720 KB Output is correct
26 Correct 2 ms 720 KB Output is correct
27 Correct 2 ms 720 KB Output is correct
28 Correct 2 ms 720 KB Output is correct
29 Correct 3 ms 720 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 608 KB Output is correct
3 Correct 2 ms 608 KB Output is correct
4 Correct 2 ms 608 KB Output is correct
5 Correct 2 ms 608 KB Output is correct
6 Correct 2 ms 608 KB Output is correct
7 Correct 2 ms 608 KB Output is correct
8 Correct 2 ms 608 KB Output is correct
9 Correct 2 ms 608 KB Output is correct
10 Correct 2 ms 608 KB Output is correct
11 Correct 2 ms 608 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 608 KB Output is correct
14 Correct 2 ms 608 KB Output is correct
15 Correct 2 ms 608 KB Output is correct
16 Correct 2 ms 608 KB Output is correct
17 Correct 2 ms 720 KB Output is correct
18 Correct 2 ms 720 KB Output is correct
19 Correct 2 ms 720 KB Output is correct
20 Correct 2 ms 720 KB Output is correct
21 Correct 3 ms 720 KB Output is correct
22 Correct 2 ms 720 KB Output is correct
23 Correct 2 ms 720 KB Output is correct
24 Correct 2 ms 720 KB Output is correct
25 Correct 2 ms 720 KB Output is correct
26 Correct 2 ms 720 KB Output is correct
27 Correct 2 ms 720 KB Output is correct
28 Correct 2 ms 720 KB Output is correct
29 Correct 3 ms 720 KB Output is correct
30 Correct 228 ms 13292 KB Output is correct
31 Correct 205 ms 13292 KB Output is correct
32 Correct 144 ms 13292 KB Output is correct
33 Correct 160 ms 13292 KB Output is correct
34 Correct 154 ms 13292 KB Output is correct
35 Correct 169 ms 13292 KB Output is correct
36 Correct 172 ms 13292 KB Output is correct
37 Correct 162 ms 13292 KB Output is correct
38 Correct 165 ms 13292 KB Output is correct
39 Correct 188 ms 13292 KB Output is correct
40 Correct 174 ms 13292 KB Output is correct
41 Correct 217 ms 13292 KB Output is correct
42 Correct 193 ms 13312 KB Output is correct
43 Correct 196 ms 13312 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 13312 KB Output is correct
2 Incorrect 2 ms 13312 KB 3rd lines differ - on the 1st token, expected: '9800', found: '3304'
3 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 608 KB Output is correct
3 Correct 2 ms 608 KB Output is correct
4 Correct 2 ms 608 KB Output is correct
5 Correct 2 ms 608 KB Output is correct
6 Correct 2 ms 608 KB Output is correct
7 Correct 2 ms 608 KB Output is correct
8 Correct 2 ms 608 KB Output is correct
9 Correct 2 ms 608 KB Output is correct
10 Correct 2 ms 608 KB Output is correct
11 Correct 2 ms 608 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 608 KB Output is correct
14 Correct 2 ms 608 KB Output is correct
15 Correct 2 ms 608 KB Output is correct
16 Correct 2 ms 608 KB Output is correct
17 Correct 2 ms 720 KB Output is correct
18 Correct 2 ms 720 KB Output is correct
19 Correct 2 ms 720 KB Output is correct
20 Correct 2 ms 720 KB Output is correct
21 Correct 3 ms 720 KB Output is correct
22 Correct 2 ms 720 KB Output is correct
23 Correct 2 ms 720 KB Output is correct
24 Correct 2 ms 720 KB Output is correct
25 Correct 2 ms 720 KB Output is correct
26 Correct 2 ms 720 KB Output is correct
27 Correct 2 ms 720 KB Output is correct
28 Correct 2 ms 720 KB Output is correct
29 Correct 3 ms 720 KB Output is correct
30 Correct 228 ms 13292 KB Output is correct
31 Correct 205 ms 13292 KB Output is correct
32 Correct 144 ms 13292 KB Output is correct
33 Correct 160 ms 13292 KB Output is correct
34 Correct 154 ms 13292 KB Output is correct
35 Correct 169 ms 13292 KB Output is correct
36 Correct 172 ms 13292 KB Output is correct
37 Correct 162 ms 13292 KB Output is correct
38 Correct 165 ms 13292 KB Output is correct
39 Correct 188 ms 13292 KB Output is correct
40 Correct 174 ms 13292 KB Output is correct
41 Correct 217 ms 13292 KB Output is correct
42 Correct 193 ms 13312 KB Output is correct
43 Correct 196 ms 13312 KB Output is correct
44 Correct 2 ms 13312 KB Output is correct
45 Incorrect 2 ms 13312 KB 3rd lines differ - on the 1st token, expected: '9800', found: '3304'
46 Halted 0 ms 0 KB -