답안 #806306

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
806306 2023-08-04T05:51:13 Z fatemetmhr 고대 책들 (IOI17_books) C++17
50 / 100
144 ms 31460 KB
//  ~ Be Name Khoda ~  //

#include "books.h"
#include <bits/stdc++.h>
//#pragma GCC optimize ("O3")
//#pragma GCC target("avx2")
//#pragma GCC optimize("unroll-loops,Ofast")

using namespace std;

typedef long long ll;

#define pb       push_back

#define mp       make_pair
#define all(x)   x.begin(), x.end()
#define fi       first
#define se       second

const int maxn  =  1e6   + 10;
const int maxn5 =  1e6   + 10;
const int maxnt =  1.2e6 + 10;
const int maxn3 =  1e3   + 10;
const int mod   =  1e9   + 7;
const ll  inf   =  1e18;

int cmp[maxn5], lef[maxn5], rig[maxn5], num = 0;
bool mark[maxn5];
vector <int> per;

void expa(int &l, int &r){
	int lq = l, rq = r;
	while(true){
		lq = min({lq, lef[cmp[l]], lef[cmp[r]]});
		rq = max({rq, rig[cmp[l]], rig[cmp[r]]});
		//cout << "haaaa " << l << ' ' << r << ' ' << lq << ' ' << rq << endl;
		if(l > lq){
			l--;
			continue;
		}
		if(r < rq){
			r++;
			continue;
		}
		break;
	}
}

int solve(int lq, int rq, int s){
	int l = s, r = s;
	expa(l, r);
	int ans = 0;
	//cout << l << ' ' << r << ' ' << lq << ' ' << rq << endl;
	while(l > lq || r < rq){
		int c1 = 0, c2 = 0;
		int l1 = l, r1 = r, l2 = l, r2 = r;
		while(r1 <= r && l1 > lq){
			l1--;
			c1++;
			expa(l1, r1);
		}
		while(l2 >= l && r2 < rq){
			r2++;
			//cout << r2 << ' ' << cmp[r2] << ' ' << rig[cmp[r2]] << endl;
			c2++;
			expa(l2, r2);
			//cout << "hoy " << l2 << ' ' << r2 << ' ' << rig[cmp[r2]] << ' ' << cmp[r2] << endl;
		}
		ans += min(c1, c2) * 2;
		l = min(l1, l2);
		r = max(r1, r2);
		if(l == lq && r == rq)
			ans += max(c1, c2) * 2;
		//cout << l << ' ' << r << ' ' << ans << ' ' << c1 << ' ' << c2 << endl;
	}
	return ans;
}

void dfs(int v){
	mark[v] = true;
	cmp[v] = num;
	lef[num] = min(lef[num], v);
	rig[num] = max(rig[num], v);
	if(!mark[per[v]])
		dfs(per[v]);
}


long long minimum_walk(std::vector<int> PER, int s) {
	per = PER;
	int n = per.size();
	int r = s, l = s;
	ll ans = 0;
	for(int i = 0; i < n; i++){
		if(!mark[i]){
			lef[num] = rig[num] = i;
			dfs(i);
			num++;
		}
		//cout << i << ' ' << per[i] << ' ' << cmp[i] << endl;
		ans += abs(per[i] - i);
		if(i != per[i]){
			l = min(l, i);
			r = max(r, i);
		}
	}
	if(l == r)
		return 0;
	//cout << "ha? " << ans << endl;
	return solve(l, r, s) + ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 304 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 304 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 240 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 312 KB Output is correct
25 Correct 1 ms 304 KB Output is correct
26 Correct 1 ms 308 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 304 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 240 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 312 KB Output is correct
25 Correct 1 ms 304 KB Output is correct
26 Correct 1 ms 308 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 144 ms 23648 KB Output is correct
31 Correct 108 ms 23628 KB Output is correct
32 Correct 97 ms 31460 KB Output is correct
33 Correct 102 ms 29004 KB Output is correct
34 Correct 111 ms 28988 KB Output is correct
35 Correct 110 ms 27972 KB Output is correct
36 Correct 96 ms 25584 KB Output is correct
37 Correct 107 ms 23908 KB Output is correct
38 Correct 90 ms 23648 KB Output is correct
39 Correct 96 ms 23656 KB Output is correct
40 Correct 103 ms 23556 KB Output is correct
41 Correct 104 ms 23652 KB Output is correct
42 Correct 97 ms 23656 KB Output is correct
43 Correct 99 ms 29408 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 340 KB 3rd lines differ - on the 1st token, expected: '3304', found: '4066'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 304 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 240 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 312 KB Output is correct
25 Correct 1 ms 304 KB Output is correct
26 Correct 1 ms 308 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 144 ms 23648 KB Output is correct
31 Correct 108 ms 23628 KB Output is correct
32 Correct 97 ms 31460 KB Output is correct
33 Correct 102 ms 29004 KB Output is correct
34 Correct 111 ms 28988 KB Output is correct
35 Correct 110 ms 27972 KB Output is correct
36 Correct 96 ms 25584 KB Output is correct
37 Correct 107 ms 23908 KB Output is correct
38 Correct 90 ms 23648 KB Output is correct
39 Correct 96 ms 23656 KB Output is correct
40 Correct 103 ms 23556 KB Output is correct
41 Correct 104 ms 23652 KB Output is correct
42 Correct 97 ms 23656 KB Output is correct
43 Correct 99 ms 29408 KB Output is correct
44 Incorrect 1 ms 340 KB 3rd lines differ - on the 1st token, expected: '3304', found: '4066'
45 Halted 0 ms 0 KB -