답안 #371122

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
371122 2021-02-25T20:58:36 Z doowey 고대 책들 (IOI17_books) C++14
70 / 100
221 ms 26896 KB
#include <bits/stdc++.h>
#include "books.h"

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

#define fi first
#define se second
#define mp make_pair

int n;
const int N = (int)1e6 + 100;
int lef[N], rig[N];
bool vis[N];
bool has[N];

int tl, tr;


void extend(int &li, int &ri){
    int ni = min(lef[li],lef[ri]);
    int nj = max(rig[li],rig[ri]);
    while(li > ni || ri < nj){
        if(li > ni){
            li--;
            ni = min(ni, lef[li]);
            nj = max(nj, rig[li]);
        }
        else{
            ri++;
            ni = min(ni, lef[ri]);
            nj = max(nj, rig[ri]);
        }
    }
}

int disl[N];
int disr[N];


int solve(int li, int ri){
    int cnt = 0;
    extend(li, ri);
    while(li != tl || ri != tr){
        if(li == tl){
            cnt += 2;
            ri ++ ;
        }
        else if(ri == tr){
            cnt += 2;
            li -- ;
        }
        else{
            if(disl[li-1] < disr[ri+1]){
                li -- ;
                cnt += 2;
            }
            else{
                ri ++ ;
                cnt += 2;
            }
        }
        extend(li,ri);
    }
    return cnt;
}
long long minimum_walk(vector<int> p, int s) {
	n = p.size();
	int id;
	int low, high;
	ll sol = 0;
    tl = tr = s;
	for(int i = 0 ; i < n; i ++ ){
        sol += abs(p[i] - i);
        if(!vis[i]){
            vector<int> cyc;
            id = i;
            while(!vis[id]){
                vis[id]=true;
                cyc.push_back(id);
                id=p[id];
            }
            low = n-1;
            high = 0;
            for(auto x : cyc){
                low = min(low, x);
                high = max(high, x);
            }
            for(auto x : cyc){
                lef[x] = low;
                rig[x] = high;
            }
        }
        if(p[i] != i){
            tl = min(tl, i);
            tr = max(tr, i);
        }
	}
    for(int i = 0 ; i < n; i ++ ){
        disl[i] = (int)1e9;
        if(rig[i] >= s)
            disl[i]=0;
        else{
            if(lef[i] == i){
                if(i>0)disl[i]=disl[i-1]+2;
            }
            else{
                disl[i]=min(disl[i],disl[i-1]);
                disl[i]=min(disl[i],disl[lef[i]]);
            }

        }
    }
    for(int i = n - 1; i >= 0 ; i -- ){
        disr[i]=(int)1e9;
        if(lef[i] <= s)
            disr[i]=0;
        else{
            if(rig[i] == i){
                if(i+1<n) disr[i]=disr[i+1]+2;
            }
            else{
                disr[i]=min(disr[i],disr[i+1]);
                disr[i]=min(disr[i],disr[rig[i]]);
            }
        }
    }
	return sol + solve(s, s);
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 200 ms 26720 KB Output is correct
31 Correct 221 ms 26896 KB Output is correct
32 Correct 158 ms 24812 KB Output is correct
33 Correct 179 ms 24812 KB Output is correct
34 Correct 174 ms 24940 KB Output is correct
35 Correct 178 ms 24812 KB Output is correct
36 Correct 166 ms 24772 KB Output is correct
37 Correct 150 ms 24812 KB Output is correct
38 Correct 148 ms 24812 KB Output is correct
39 Correct 150 ms 24940 KB Output is correct
40 Correct 152 ms 25108 KB Output is correct
41 Correct 169 ms 25728 KB Output is correct
42 Correct 169 ms 25868 KB Output is correct
43 Correct 170 ms 24812 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 200 ms 26720 KB Output is correct
31 Correct 221 ms 26896 KB Output is correct
32 Correct 158 ms 24812 KB Output is correct
33 Correct 179 ms 24812 KB Output is correct
34 Correct 174 ms 24940 KB Output is correct
35 Correct 178 ms 24812 KB Output is correct
36 Correct 166 ms 24772 KB Output is correct
37 Correct 150 ms 24812 KB Output is correct
38 Correct 148 ms 24812 KB Output is correct
39 Correct 150 ms 24940 KB Output is correct
40 Correct 152 ms 25108 KB Output is correct
41 Correct 169 ms 25728 KB Output is correct
42 Correct 169 ms 25868 KB Output is correct
43 Correct 170 ms 24812 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 1 ms 364 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 1 ms 364 KB Output is correct
55 Correct 1 ms 364 KB Output is correct
56 Correct 1 ms 364 KB Output is correct
57 Correct 1 ms 364 KB Output is correct
58 Correct 1 ms 384 KB Output is correct
59 Correct 1 ms 364 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 1 ms 364 KB Output is correct
62 Correct 1 ms 364 KB Output is correct
63 Correct 1 ms 364 KB Output is correct
64 Correct 169 ms 24772 KB Output is correct
65 Correct 188 ms 24812 KB Output is correct
66 Correct 152 ms 24812 KB Output is correct
67 Correct 148 ms 24812 KB Output is correct
68 Correct 16 ms 2796 KB Output is correct
69 Correct 16 ms 2796 KB Output is correct
70 Correct 16 ms 2796 KB Output is correct
71 Correct 17 ms 2796 KB Output is correct
72 Correct 16 ms 2796 KB Output is correct
73 Correct 16 ms 2924 KB Output is correct
74 Correct 178 ms 24940 KB Output is correct
75 Correct 181 ms 24812 KB Output is correct
76 Correct 174 ms 24812 KB Output is correct
77 Correct 175 ms 24888 KB Output is correct
78 Correct 181 ms 24812 KB Output is correct
79 Correct 195 ms 24812 KB Output is correct
80 Correct 157 ms 24812 KB Output is correct
81 Correct 166 ms 24812 KB Output is correct
82 Correct 163 ms 24812 KB Output is correct
83 Incorrect 174 ms 24788 KB 3rd lines differ - on the 1st token, expected: '29808765966', found: '29808766148'
84 Halted 0 ms 0 KB -