답안 #953307

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
953307 2024-03-25T19:42:26 Z waldi 고대 책들 (IOI17_books) C++17
100 / 100
383 ms 70012 KB
#include "books.h"
#include <bits/stdc++.h>
#define FOR(i,p,k) for(int i=(p);i<=(k);++i)
#define REP(i,n) FOR(i,0,(n)-1)
#define ssize(x) (int((x).size()))
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;

ll minimum_walk(vector<int> perm, int start){
	int n = ssize(perm);
	ll wyn = 0ll;
	REP(i, n) wyn += abs(i-perm[i]);
	
	set<int> ciekawe;
	REP(i, n) if(perm[i] != i) ciekawe.emplace(i);
	
	vector<int> lewo, prawo;
	vector<int> odw(n, -1);
	REP(i, n) if(odw[i] < 0){
		int mini = i, maks = i;
		for(int w = i; odw[w] < 0; w = perm[w]){
			odw[w] = ssize(lewo);
			mini = min(mini, w);
			maks = max(maks, w);
		}
		lewo.emplace_back(mini);
		prawo.emplace_back(maks);
	}
	
	bool cokolwiek = 0;
	int l = start, p = start;
	while(ssize(ciekawe)){
		auto it = ciekawe.lower_bound(l);
		if(it != ciekawe.end() && *it <= p){
			l = min(l, lewo[odw[*it]]);
			p = max(p, prawo[odw[*it]]);
			ciekawe.erase(it);
			continue;
		}
		
		if(cokolwiek){
			if(it != ciekawe.end()) wyn += (*it-p)<<1, p = prawo[odw[*it]], ciekawe.erase(it);
			else wyn += (l-*prev(it))<<1, l = lewo[odw[*prev(it)]], ciekawe.erase(prev(it));
			continue;
		}
		
		if(l <= *ciekawe.begin() || *prev(ciekawe.end()) <= p){
			cokolwiek = 1;
			continue;
		}
		
		bool git = 0;
		int koszt_lewo = 0;
		int nowe_lewo = l;
		int iter = l;
		while(iter > 0){
			if(iter == nowe_lewo) --nowe_lewo, ++koszt_lewo;
			--iter;
			if(iter != perm[iter]){
				nowe_lewo = min(nowe_lewo, lewo[odw[iter]]);
				if(prawo[odw[iter]] > p){git = 1; break;}
			}
		}
		if(!git){
			cokolwiek = 1;
			continue;
		}
		
		git = 0;
		int koszt_prawo = 0;
		int nowe_prawo = p;
		iter = p;
		while(iter < n-1){
			if(iter == nowe_prawo) ++nowe_prawo, ++koszt_prawo;
			++iter;
			if(iter != perm[iter]){
				nowe_prawo = max(nowe_prawo, prawo[odw[iter]]);
				if(lewo[odw[iter]] < l){git = 1; break;}
			}
		}
		if(!git){
			cokolwiek = 1;
			continue;
		}
		
		if(koszt_lewo < koszt_prawo) wyn += koszt_lewo<<1, l = nowe_lewo;
		else wyn += koszt_prawo<<1, p = nowe_prawo;
	}
	return wyn;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 596 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 596 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 596 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 383 ms 59136 KB Output is correct
31 Correct 349 ms 58960 KB Output is correct
32 Correct 84 ms 20560 KB Output is correct
33 Correct 214 ms 43260 KB Output is correct
34 Correct 217 ms 44208 KB Output is correct
35 Correct 269 ms 52348 KB Output is correct
36 Correct 341 ms 56636 KB Output is correct
37 Correct 357 ms 59220 KB Output is correct
38 Correct 344 ms 58964 KB Output is correct
39 Correct 331 ms 58960 KB Output is correct
40 Correct 374 ms 58964 KB Output is correct
41 Correct 351 ms 58960 KB Output is correct
42 Correct 343 ms 59212 KB Output is correct
43 Correct 209 ms 43620 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 352 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 432 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 596 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 383 ms 59136 KB Output is correct
31 Correct 349 ms 58960 KB Output is correct
32 Correct 84 ms 20560 KB Output is correct
33 Correct 214 ms 43260 KB Output is correct
34 Correct 217 ms 44208 KB Output is correct
35 Correct 269 ms 52348 KB Output is correct
36 Correct 341 ms 56636 KB Output is correct
37 Correct 357 ms 59220 KB Output is correct
38 Correct 344 ms 58964 KB Output is correct
39 Correct 331 ms 58960 KB Output is correct
40 Correct 374 ms 58964 KB Output is correct
41 Correct 351 ms 58960 KB Output is correct
42 Correct 343 ms 59212 KB Output is correct
43 Correct 209 ms 43620 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 352 KB Output is correct
48 Correct 1 ms 344 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 0 ms 432 KB Output is correct
61 Correct 1 ms 344 KB Output is correct
62 Correct 1 ms 344 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 185 ms 45016 KB Output is correct
65 Correct 159 ms 41644 KB Output is correct
66 Correct 380 ms 65828 KB Output is correct
67 Correct 347 ms 65732 KB Output is correct
68 Correct 24 ms 6224 KB Output is correct
69 Correct 26 ms 6628 KB Output is correct
70 Correct 22 ms 6100 KB Output is correct
71 Correct 18 ms 5256 KB Output is correct
72 Correct 13 ms 4352 KB Output is correct
73 Correct 28 ms 6740 KB Output is correct
74 Correct 222 ms 50100 KB Output is correct
75 Correct 223 ms 50612 KB Output is correct
76 Correct 217 ms 52436 KB Output is correct
77 Correct 245 ms 51672 KB Output is correct
78 Correct 284 ms 62972 KB Output is correct
79 Correct 290 ms 61952 KB Output is correct
80 Correct 89 ms 27572 KB Output is correct
81 Correct 364 ms 69760 KB Output is correct
82 Correct 371 ms 70012 KB Output is correct
83 Correct 331 ms 62852 KB Output is correct
84 Correct 342 ms 64548 KB Output is correct
85 Correct 350 ms 65988 KB Output is correct
86 Correct 350 ms 66068 KB Output is correct
87 Correct 169 ms 40460 KB Output is correct
88 Correct 271 ms 55476 KB Output is correct
89 Correct 322 ms 60776 KB Output is correct
90 Correct 353 ms 65872 KB Output is correct
91 Correct 361 ms 65768 KB Output is correct
92 Correct 356 ms 65872 KB Output is correct