답안 #68031

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
68031 2018-08-15T19:32:38 Z KLPP 고대 책들 (IOI17_books) C++14
70 / 100
2000 ms 104732 KB
#include "books.h"
#include<iostream>
#include<vector>
#include<queue>
#include<map>
using namespace std;
typedef long long lld;
typedef pair<int,int> state;
typedef std::map<state,lld>::iterator mi;
int arr[1000000];
int n;
int maxa,maxb;
map<state,lld>DP;
lld computevalue(int i, int j){
	//cout<<i<<" "<<j<<endl;
	if(i<=maxa && maxb<=j)return 0;
	mi it=DP.find(state(i,j));
	if(it!=DP.end())return it->second;
	int start=i;
	int end=j;
	int ps=start;
	int pe=end;
	while(pe<=end){
		while(ps>=start){
			start=min(start,arr[ps]);
			end=max(end,arr[ps]);
			ps--;
		}
		start=min(start,arr[pe]);
		end=max(end,arr[pe]);
		pe++;
	}
	lld ans=1000000000000000000;
	if(start<=maxa && maxb<=end){
		DP[state(i,j)]=0;
		return 0;
	}
	if(start>maxa){
		ans=min(ans,computevalue(start-1,end)+2);
	}
	if(end<maxb){
		ans=min(ans,computevalue(start,end+1)+2);
	}
	DP[state(i,j)]=ans;
	return ans;
}
lld abs(lld x){
	if(x>0)return x;
	return -x;
}
long long minimum_walk(std::vector<int> p, int s) {
	n=p.size();
	for(int i=0;i<n;i++){
		arr[i]=p[i];
	}
	maxa=n;
	for(int i=0;i<n;i++){
		if(p[i]!=i){
			maxa=i;
			i=n;
		}
	}
	maxb=-1;
	for(int i=n-1;i>-1;i--){
		if(p[i]!=i){
			maxb=i;
			i=-1;
		}
	}
	
	//cout<<maxa<<" "<<maxb<<endl;
	lld ans=0;
	for(int i=0;i<n;i++)ans+=abs(p[i]-i);
	//cout<<ans<<endl;
	ans+=computevalue(s,s);
	return ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 3 ms 360 KB Output is correct
3 Correct 3 ms 440 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 532 KB Output is correct
6 Correct 2 ms 532 KB Output is correct
7 Correct 3 ms 576 KB Output is correct
8 Correct 2 ms 576 KB Output is correct
9 Correct 3 ms 576 KB Output is correct
10 Correct 3 ms 576 KB Output is correct
11 Correct 3 ms 576 KB Output is correct
12 Correct 2 ms 616 KB Output is correct
13 Correct 3 ms 616 KB Output is correct
14 Correct 2 ms 616 KB Output is correct
15 Correct 2 ms 616 KB Output is correct
16 Correct 3 ms 632 KB Output is correct
17 Correct 4 ms 640 KB Output is correct
18 Correct 2 ms 772 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 3 ms 360 KB Output is correct
3 Correct 3 ms 440 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 532 KB Output is correct
6 Correct 2 ms 532 KB Output is correct
7 Correct 3 ms 576 KB Output is correct
8 Correct 2 ms 576 KB Output is correct
9 Correct 3 ms 576 KB Output is correct
10 Correct 3 ms 576 KB Output is correct
11 Correct 3 ms 576 KB Output is correct
12 Correct 2 ms 616 KB Output is correct
13 Correct 3 ms 616 KB Output is correct
14 Correct 2 ms 616 KB Output is correct
15 Correct 2 ms 616 KB Output is correct
16 Correct 3 ms 632 KB Output is correct
17 Correct 4 ms 640 KB Output is correct
18 Correct 2 ms 772 KB Output is correct
19 Correct 2 ms 772 KB Output is correct
20 Correct 2 ms 772 KB Output is correct
21 Correct 3 ms 772 KB Output is correct
22 Correct 3 ms 772 KB Output is correct
23 Correct 3 ms 772 KB Output is correct
24 Correct 3 ms 772 KB Output is correct
25 Correct 2 ms 772 KB Output is correct
26 Correct 2 ms 772 KB Output is correct
27 Correct 3 ms 772 KB Output is correct
28 Correct 3 ms 772 KB Output is correct
29 Correct 3 ms 772 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 3 ms 360 KB Output is correct
3 Correct 3 ms 440 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 532 KB Output is correct
6 Correct 2 ms 532 KB Output is correct
7 Correct 3 ms 576 KB Output is correct
8 Correct 2 ms 576 KB Output is correct
9 Correct 3 ms 576 KB Output is correct
10 Correct 3 ms 576 KB Output is correct
11 Correct 3 ms 576 KB Output is correct
12 Correct 2 ms 616 KB Output is correct
13 Correct 3 ms 616 KB Output is correct
14 Correct 2 ms 616 KB Output is correct
15 Correct 2 ms 616 KB Output is correct
16 Correct 3 ms 632 KB Output is correct
17 Correct 4 ms 640 KB Output is correct
18 Correct 2 ms 772 KB Output is correct
19 Correct 2 ms 772 KB Output is correct
20 Correct 2 ms 772 KB Output is correct
21 Correct 3 ms 772 KB Output is correct
22 Correct 3 ms 772 KB Output is correct
23 Correct 3 ms 772 KB Output is correct
24 Correct 3 ms 772 KB Output is correct
25 Correct 2 ms 772 KB Output is correct
26 Correct 2 ms 772 KB Output is correct
27 Correct 3 ms 772 KB Output is correct
28 Correct 3 ms 772 KB Output is correct
29 Correct 3 ms 772 KB Output is correct
30 Correct 168 ms 14500 KB Output is correct
31 Correct 184 ms 14564 KB Output is correct
32 Correct 142 ms 14564 KB Output is correct
33 Correct 429 ms 104732 KB Output is correct
34 Correct 479 ms 104732 KB Output is correct
35 Correct 384 ms 104732 KB Output is correct
36 Correct 202 ms 104732 KB Output is correct
37 Correct 154 ms 104732 KB Output is correct
38 Correct 162 ms 104732 KB Output is correct
39 Correct 178 ms 104732 KB Output is correct
40 Correct 168 ms 104732 KB Output is correct
41 Correct 174 ms 104732 KB Output is correct
42 Correct 159 ms 104732 KB Output is correct
43 Correct 142 ms 104732 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 74 ms 104732 KB Output is correct
2 Correct 4 ms 104732 KB Output is correct
3 Correct 38 ms 104732 KB Output is correct
4 Correct 62 ms 104732 KB Output is correct
5 Correct 63 ms 104732 KB Output is correct
6 Correct 3 ms 104732 KB Output is correct
7 Correct 3 ms 104732 KB Output is correct
8 Correct 2 ms 104732 KB Output is correct
9 Correct 3 ms 104732 KB Output is correct
10 Correct 3 ms 104732 KB Output is correct
11 Correct 7 ms 104732 KB Output is correct
12 Correct 8 ms 104732 KB Output is correct
13 Correct 3 ms 104732 KB Output is correct
14 Correct 4 ms 104732 KB Output is correct
15 Correct 2 ms 104732 KB Output is correct
16 Correct 2 ms 104732 KB Output is correct
17 Correct 4 ms 104732 KB Output is correct
18 Correct 4 ms 104732 KB Output is correct
19 Correct 4 ms 104732 KB Output is correct
20 Correct 3 ms 104732 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 3 ms 360 KB Output is correct
3 Correct 3 ms 440 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 532 KB Output is correct
6 Correct 2 ms 532 KB Output is correct
7 Correct 3 ms 576 KB Output is correct
8 Correct 2 ms 576 KB Output is correct
9 Correct 3 ms 576 KB Output is correct
10 Correct 3 ms 576 KB Output is correct
11 Correct 3 ms 576 KB Output is correct
12 Correct 2 ms 616 KB Output is correct
13 Correct 3 ms 616 KB Output is correct
14 Correct 2 ms 616 KB Output is correct
15 Correct 2 ms 616 KB Output is correct
16 Correct 3 ms 632 KB Output is correct
17 Correct 4 ms 640 KB Output is correct
18 Correct 2 ms 772 KB Output is correct
19 Correct 2 ms 772 KB Output is correct
20 Correct 2 ms 772 KB Output is correct
21 Correct 3 ms 772 KB Output is correct
22 Correct 3 ms 772 KB Output is correct
23 Correct 3 ms 772 KB Output is correct
24 Correct 3 ms 772 KB Output is correct
25 Correct 2 ms 772 KB Output is correct
26 Correct 2 ms 772 KB Output is correct
27 Correct 3 ms 772 KB Output is correct
28 Correct 3 ms 772 KB Output is correct
29 Correct 3 ms 772 KB Output is correct
30 Correct 168 ms 14500 KB Output is correct
31 Correct 184 ms 14564 KB Output is correct
32 Correct 142 ms 14564 KB Output is correct
33 Correct 429 ms 104732 KB Output is correct
34 Correct 479 ms 104732 KB Output is correct
35 Correct 384 ms 104732 KB Output is correct
36 Correct 202 ms 104732 KB Output is correct
37 Correct 154 ms 104732 KB Output is correct
38 Correct 162 ms 104732 KB Output is correct
39 Correct 178 ms 104732 KB Output is correct
40 Correct 168 ms 104732 KB Output is correct
41 Correct 174 ms 104732 KB Output is correct
42 Correct 159 ms 104732 KB Output is correct
43 Correct 142 ms 104732 KB Output is correct
44 Correct 74 ms 104732 KB Output is correct
45 Correct 4 ms 104732 KB Output is correct
46 Correct 38 ms 104732 KB Output is correct
47 Correct 62 ms 104732 KB Output is correct
48 Correct 63 ms 104732 KB Output is correct
49 Correct 3 ms 104732 KB Output is correct
50 Correct 3 ms 104732 KB Output is correct
51 Correct 2 ms 104732 KB Output is correct
52 Correct 3 ms 104732 KB Output is correct
53 Correct 3 ms 104732 KB Output is correct
54 Correct 7 ms 104732 KB Output is correct
55 Correct 8 ms 104732 KB Output is correct
56 Correct 3 ms 104732 KB Output is correct
57 Correct 4 ms 104732 KB Output is correct
58 Correct 2 ms 104732 KB Output is correct
59 Correct 2 ms 104732 KB Output is correct
60 Correct 4 ms 104732 KB Output is correct
61 Correct 4 ms 104732 KB Output is correct
62 Correct 4 ms 104732 KB Output is correct
63 Correct 3 ms 104732 KB Output is correct
64 Execution timed out 2053 ms 104732 KB Time limit exceeded
65 Halted 0 ms 0 KB -