답안 #1048480

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1048480 2024-08-08T07:51:52 Z LittleOrange 고대 책들 (IOI17_books) C++17
50 / 100
168 ms 106336 KB
#include "books.h"
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
struct obj{
	ll i,w;
	bool operator<(const obj &o)const{
		return w>o.w;
	}
};
struct BIT{
	ll n;
	vector<ll> a;
	BIT(ll N):n(N),a(N+5,0){}
	void add(ll i, ll v){
		for(;i<=n;i+=i&-i) a[i] += v;
	}
	ll get(ll i){
		ll v = 0;
		for(;i>0;i-=i&-i) v += a[i];
		return v;
	}
};
long long minimum_walk(std::vector<int> p, int s) {
	ll ans = 0;
	ll n = p.size();
	ll gpc = 0;
	vector<ll> gp(n,-1);
	vector<ll> L,R;
	vector<vector<ll>> gps;
	for(ll i = 0;i<n;i++){
		if (gp[i]==-1){
			ll cur = gpc++;
			gps.emplace_back();
			L.push_back(n);
			R.push_back(0);
			ll x = i;
			do{
				L[cur] = min(x,L[cur]);
				R[cur] = max(x,R[cur]);
				gp[x] = cur;
				gps[cur].push_back(x);
				ans += abs(p[x]-x);
				x = p[x];
			} while(x!=i);
		}
	}
	vector<ll> v(n,0);
	for(ll i : L) v[i]++;
	for(ll i : R) v[i]--;
	for(ll i = 1;i<n;i++) v[i] += v[i-1];
	ll rf = n-1;
	while(rf&&p[rf]==rf) rf--;
	for(ll i = 0;i<rf;i++) if(!v[i]) ans += 2;
	ll cL = s, cR = s;
	for(ll i : L) if(i<=s) cL=min(cL,i);
	for(ll i : R) if(i>=s) cR=max(cR,i);
	vector<ll> dis(n,n);
	priority_queue<obj> q;
	q.push({s,0});
	while(!q.empty()){
		auto [i,w] = q.top();q.pop();
		if (dis[i]<=w) continue;
		dis[i] = w;
		//for(ll j : gps[gp[i]]) q.push({j,w});
		if(i>0) q.push({i-1,w+1});
		if(i<n-1) q.push({i+1,w+1});
	}
	ans += min(dis[cL],dis[cR]);
	return ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 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 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 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 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 504 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 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 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 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 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 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 504 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 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 1 ms 512 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 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 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 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 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 504 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 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 1 ms 512 KB Output is correct
30 Correct 118 ms 47008 KB Output is correct
31 Correct 117 ms 45912 KB Output is correct
32 Correct 141 ms 106336 KB Output is correct
33 Correct 135 ms 92320 KB Output is correct
34 Correct 132 ms 89312 KB Output is correct
35 Correct 168 ms 88812 KB Output is correct
36 Correct 130 ms 60096 KB Output is correct
37 Correct 90 ms 48484 KB Output is correct
38 Correct 90 ms 46536 KB Output is correct
39 Correct 92 ms 46036 KB Output is correct
40 Correct 95 ms 44488 KB Output is correct
41 Correct 99 ms 44216 KB Output is correct
42 Correct 109 ms 43996 KB Output is correct
43 Correct 133 ms 89588 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 344 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3169'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 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 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 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 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 504 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 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 1 ms 512 KB Output is correct
30 Correct 118 ms 47008 KB Output is correct
31 Correct 117 ms 45912 KB Output is correct
32 Correct 141 ms 106336 KB Output is correct
33 Correct 135 ms 92320 KB Output is correct
34 Correct 132 ms 89312 KB Output is correct
35 Correct 168 ms 88812 KB Output is correct
36 Correct 130 ms 60096 KB Output is correct
37 Correct 90 ms 48484 KB Output is correct
38 Correct 90 ms 46536 KB Output is correct
39 Correct 92 ms 46036 KB Output is correct
40 Correct 95 ms 44488 KB Output is correct
41 Correct 99 ms 44216 KB Output is correct
42 Correct 109 ms 43996 KB Output is correct
43 Correct 133 ms 89588 KB Output is correct
44 Incorrect 0 ms 344 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3169'
45 Halted 0 ms 0 KB -