답안 #1048450

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1048450 2024-08-08T07:41:31 Z LittleOrange 고대 책들 (IOI17_books) C++17
22 / 100
726 ms 1048576 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 348 KB Output is correct
2 Correct 0 ms 348 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 436 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 436 KB Output is correct
12 Correct 1 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 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 0 ms 348 KB Output is correct
2 Correct 0 ms 348 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 436 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 436 KB Output is correct
12 Correct 1 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 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 15 ms 5832 KB Output is correct
20 Correct 24 ms 9924 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 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 1 ms 604 KB Output is correct
28 Correct 3 ms 984 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 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 436 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 436 KB Output is correct
12 Correct 1 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 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 15 ms 5832 KB Output is correct
20 Correct 24 ms 9924 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 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 1 ms 604 KB Output is correct
28 Correct 3 ms 984 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Runtime error 726 ms 1048576 KB Execution killed with signal 9
31 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3028'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 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 436 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 436 KB Output is correct
12 Correct 1 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 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 15 ms 5832 KB Output is correct
20 Correct 24 ms 9924 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 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 1 ms 604 KB Output is correct
28 Correct 3 ms 984 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Runtime error 726 ms 1048576 KB Execution killed with signal 9
31 Halted 0 ms 0 KB -