답안 #74372

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
74372 2018-08-31T12:36:30 Z nvmdava 고대 책들 (IOI17_books) C++17
50 / 100
243 ms 13380 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;
inline 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(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: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;
      ^
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 372 KB Output is correct
3 Correct 2 ms 372 KB Output is correct
4 Correct 3 ms 536 KB Output is correct
5 Correct 2 ms 536 KB Output is correct
6 Correct 2 ms 536 KB Output is correct
7 Correct 2 ms 536 KB Output is correct
8 Correct 2 ms 536 KB Output is correct
9 Correct 2 ms 580 KB Output is correct
10 Correct 2 ms 580 KB Output is correct
11 Correct 2 ms 580 KB Output is correct
12 Correct 2 ms 580 KB Output is correct
13 Correct 2 ms 580 KB Output is correct
14 Correct 2 ms 596 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 2 ms 596 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 2 ms 596 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 372 KB Output is correct
3 Correct 2 ms 372 KB Output is correct
4 Correct 3 ms 536 KB Output is correct
5 Correct 2 ms 536 KB Output is correct
6 Correct 2 ms 536 KB Output is correct
7 Correct 2 ms 536 KB Output is correct
8 Correct 2 ms 536 KB Output is correct
9 Correct 2 ms 580 KB Output is correct
10 Correct 2 ms 580 KB Output is correct
11 Correct 2 ms 580 KB Output is correct
12 Correct 2 ms 580 KB Output is correct
13 Correct 2 ms 580 KB Output is correct
14 Correct 2 ms 596 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 2 ms 596 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 2 ms 596 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 2 ms 596 KB Output is correct
21 Correct 2 ms 636 KB Output is correct
22 Correct 2 ms 636 KB Output is correct
23 Correct 2 ms 636 KB Output is correct
24 Correct 2 ms 636 KB Output is correct
25 Correct 2 ms 636 KB Output is correct
26 Correct 2 ms 636 KB Output is correct
27 Correct 2 ms 636 KB Output is correct
28 Correct 2 ms 636 KB Output is correct
29 Correct 2 ms 636 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 372 KB Output is correct
3 Correct 2 ms 372 KB Output is correct
4 Correct 3 ms 536 KB Output is correct
5 Correct 2 ms 536 KB Output is correct
6 Correct 2 ms 536 KB Output is correct
7 Correct 2 ms 536 KB Output is correct
8 Correct 2 ms 536 KB Output is correct
9 Correct 2 ms 580 KB Output is correct
10 Correct 2 ms 580 KB Output is correct
11 Correct 2 ms 580 KB Output is correct
12 Correct 2 ms 580 KB Output is correct
13 Correct 2 ms 580 KB Output is correct
14 Correct 2 ms 596 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 2 ms 596 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 2 ms 596 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 2 ms 596 KB Output is correct
21 Correct 2 ms 636 KB Output is correct
22 Correct 2 ms 636 KB Output is correct
23 Correct 2 ms 636 KB Output is correct
24 Correct 2 ms 636 KB Output is correct
25 Correct 2 ms 636 KB Output is correct
26 Correct 2 ms 636 KB Output is correct
27 Correct 2 ms 636 KB Output is correct
28 Correct 2 ms 636 KB Output is correct
29 Correct 2 ms 636 KB Output is correct
30 Correct 236 ms 13312 KB Output is correct
31 Correct 186 ms 13312 KB Output is correct
32 Correct 134 ms 13312 KB Output is correct
33 Correct 143 ms 13312 KB Output is correct
34 Correct 141 ms 13312 KB Output is correct
35 Correct 144 ms 13312 KB Output is correct
36 Correct 154 ms 13312 KB Output is correct
37 Correct 156 ms 13328 KB Output is correct
38 Correct 156 ms 13328 KB Output is correct
39 Correct 160 ms 13328 KB Output is correct
40 Correct 182 ms 13328 KB Output is correct
41 Correct 243 ms 13332 KB Output is correct
42 Correct 217 ms 13380 KB Output is correct
43 Correct 157 ms 13380 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 13380 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 372 KB Output is correct
3 Correct 2 ms 372 KB Output is correct
4 Correct 3 ms 536 KB Output is correct
5 Correct 2 ms 536 KB Output is correct
6 Correct 2 ms 536 KB Output is correct
7 Correct 2 ms 536 KB Output is correct
8 Correct 2 ms 536 KB Output is correct
9 Correct 2 ms 580 KB Output is correct
10 Correct 2 ms 580 KB Output is correct
11 Correct 2 ms 580 KB Output is correct
12 Correct 2 ms 580 KB Output is correct
13 Correct 2 ms 580 KB Output is correct
14 Correct 2 ms 596 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 2 ms 596 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 2 ms 596 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 2 ms 596 KB Output is correct
21 Correct 2 ms 636 KB Output is correct
22 Correct 2 ms 636 KB Output is correct
23 Correct 2 ms 636 KB Output is correct
24 Correct 2 ms 636 KB Output is correct
25 Correct 2 ms 636 KB Output is correct
26 Correct 2 ms 636 KB Output is correct
27 Correct 2 ms 636 KB Output is correct
28 Correct 2 ms 636 KB Output is correct
29 Correct 2 ms 636 KB Output is correct
30 Correct 236 ms 13312 KB Output is correct
31 Correct 186 ms 13312 KB Output is correct
32 Correct 134 ms 13312 KB Output is correct
33 Correct 143 ms 13312 KB Output is correct
34 Correct 141 ms 13312 KB Output is correct
35 Correct 144 ms 13312 KB Output is correct
36 Correct 154 ms 13312 KB Output is correct
37 Correct 156 ms 13328 KB Output is correct
38 Correct 156 ms 13328 KB Output is correct
39 Correct 160 ms 13328 KB Output is correct
40 Correct 182 ms 13328 KB Output is correct
41 Correct 243 ms 13332 KB Output is correct
42 Correct 217 ms 13380 KB Output is correct
43 Correct 157 ms 13380 KB Output is correct
44 Incorrect 2 ms 13380 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -