Submission #581899

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
581899	2022-06-23T07:52:08 Z	Koosha_mv	Ancient Books (IOI17_books)	C++14	50 / 100	853 ms	116420 KB

books

#include "books.h"
#include <bits/stdc++.h>
using namespace std;
#define dbgv(v) cout<<#v<<" = "; f(i,0,v.size()) cout<<v[i]<<" "; cout<<endl
#define dbga(a,x,y) cout<<#a<<" = "; f(i,x,y) cout<<a[i]<<" "; cout<<endl
#define erorp(x) cout<<#x<<"={"<<x.F<<" , "<<x.S<<"}"<<endl
#define eror(x) cout<<#x<<'='<<(x)<<endl
#define f_(i,a,b) for(int i=a;i>=b;i--)
#define f(i,a,b) for(int i=a;i<b;i++)
#define nb(x) __builtin_popcount(x)
#define all(v) v.begin(),v.end()
#define bit(n,k) (((n)>>(k))&1)
#define Add(x,y) x=(x+y)%mod
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define lst(x) x[x.size()-1]
#define sz(x) int(x.size())
#define mp make_pair
#define ll long long
#define pb push_back
#define S second
#define F first
 
const int N=2e6+99;
const ll inf=1e15;
 
int n,vis[N],mx1[N],mx2[N],mn1[N],mn2[N];
ll Max[N],dist[N];
queue<int> Q;
vector<int> vec;
vector<pair<int,int>> g[N];

ll minimum_walk(vector<int> p, int s){
	ll sum=0,ans=0;
	n=p.size();
	int l=n,r=0;
	f(i,0,n){
		sum+=abs(p[i]-i);
		if(p[i]!=i) minm(l,i),maxm(r,i);
	}
	minm(l,s);
	maxm(r,s);
	if(l==r) return 0;
	f(i,l,r+1) vec.pb(p[i]-l);
	p=vec;
	n=p.size();
	int mx=0;
	l=0,r=n-1;
	f(i,0,s){
		maxm(mx,p[i]);
		if(mx==i){
			ans+=2;
			l=i+1;
		}
	}
	int mn=n;
	f_(i,n-1,s+1){
		minm(mn,p[i]);
		if(mn==i){
			ans+=2;
			r=i-1;
		}
	}
	if(l==r) return sum+ans;
	vec.clear();
	f(i,l,r+1) vec.pb(p[i]-l);
	p=vec;
	n=p.size();
	f(i,0,n){
		g[i].pb({p[i],0});
	}
	f_(i,s,1){
		g[i].pb({i-1,1});
		g[i-1].pb({i,0});
	}
	f(i,s,n-1){
		g[i].pb({i+1,1});
		g[i+1].pb({i,0});
	}
	Q.push(s);
	f(i,0,n) dist[i]=(i==s ? 0 : N);
	while(Q.size()){
		int u=Q.front();
		Q.pop();
		for(auto [v,w] : g[u]){
			if(dist[u]+w<dist[v]){
				dist[v]=dist[u]+w;
				Q.push(v);
			}
		}
	}
	//eror(sum);
	return ans+sum+2ll*dist[n-1];
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:85:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   85 |   for(auto [v,w] : g[u]){
      |            ^

Subtask #1

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	22 ms	47180 KB	Output is correct
2	Correct	22 ms	47188 KB	Output is correct
3	Correct	23 ms	47228 KB	Output is correct
4	Correct	21 ms	47188 KB	Output is correct
5	Correct	22 ms	47316 KB	Output is correct
6	Correct	28 ms	47200 KB	Output is correct
7	Correct	25 ms	47172 KB	Output is correct
8	Correct	25 ms	47224 KB	Output is correct
9	Correct	28 ms	47248 KB	Output is correct
10	Correct	31 ms	47272 KB	Output is correct
11	Correct	29 ms	47152 KB	Output is correct
12	Correct	23 ms	47228 KB	Output is correct
13	Correct	24 ms	47188 KB	Output is correct
14	Correct	25 ms	47244 KB	Output is correct
15	Correct	22 ms	47172 KB	Output is correct
16	Correct	23 ms	47224 KB	Output is correct
17	Correct	31 ms	47152 KB	Output is correct
18	Correct	27 ms	47188 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	22 ms	47180 KB	Output is correct
2	Correct	22 ms	47188 KB	Output is correct
3	Correct	23 ms	47228 KB	Output is correct
4	Correct	21 ms	47188 KB	Output is correct
5	Correct	22 ms	47316 KB	Output is correct
6	Correct	28 ms	47200 KB	Output is correct
7	Correct	25 ms	47172 KB	Output is correct
8	Correct	25 ms	47224 KB	Output is correct
9	Correct	28 ms	47248 KB	Output is correct
10	Correct	31 ms	47272 KB	Output is correct
11	Correct	29 ms	47152 KB	Output is correct
12	Correct	23 ms	47228 KB	Output is correct
13	Correct	24 ms	47188 KB	Output is correct
14	Correct	25 ms	47244 KB	Output is correct
15	Correct	22 ms	47172 KB	Output is correct
16	Correct	23 ms	47224 KB	Output is correct
17	Correct	31 ms	47152 KB	Output is correct
18	Correct	27 ms	47188 KB	Output is correct
19	Correct	25 ms	47344 KB	Output is correct
20	Correct	28 ms	47340 KB	Output is correct
21	Correct	23 ms	47188 KB	Output is correct
22	Correct	24 ms	47268 KB	Output is correct
23	Correct	24 ms	47204 KB	Output is correct
24	Correct	26 ms	47268 KB	Output is correct
25	Correct	25 ms	47188 KB	Output is correct
26	Correct	24 ms	47176 KB	Output is correct
27	Correct	26 ms	47188 KB	Output is correct
28	Correct	29 ms	47260 KB	Output is correct
29	Correct	28 ms	47260 KB	Output is correct

Subtask #3

28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	22 ms	47180 KB	Output is correct
2	Correct	22 ms	47188 KB	Output is correct
3	Correct	23 ms	47228 KB	Output is correct
4	Correct	21 ms	47188 KB	Output is correct
5	Correct	22 ms	47316 KB	Output is correct
6	Correct	28 ms	47200 KB	Output is correct
7	Correct	25 ms	47172 KB	Output is correct
8	Correct	25 ms	47224 KB	Output is correct
9	Correct	28 ms	47248 KB	Output is correct
10	Correct	31 ms	47272 KB	Output is correct
11	Correct	29 ms	47152 KB	Output is correct
12	Correct	23 ms	47228 KB	Output is correct
13	Correct	24 ms	47188 KB	Output is correct
14	Correct	25 ms	47244 KB	Output is correct
15	Correct	22 ms	47172 KB	Output is correct
16	Correct	23 ms	47224 KB	Output is correct
17	Correct	31 ms	47152 KB	Output is correct
18	Correct	27 ms	47188 KB	Output is correct
19	Correct	25 ms	47344 KB	Output is correct
20	Correct	28 ms	47340 KB	Output is correct
21	Correct	23 ms	47188 KB	Output is correct
22	Correct	24 ms	47268 KB	Output is correct
23	Correct	24 ms	47204 KB	Output is correct
24	Correct	26 ms	47268 KB	Output is correct
25	Correct	25 ms	47188 KB	Output is correct
26	Correct	24 ms	47176 KB	Output is correct
27	Correct	26 ms	47188 KB	Output is correct
28	Correct	29 ms	47260 KB	Output is correct
29	Correct	28 ms	47260 KB	Output is correct
30	Correct	733 ms	116328 KB	Output is correct
31	Correct	743 ms	116420 KB	Output is correct
32	Correct	116 ms	54996 KB	Output is correct
33	Correct	135 ms	59292 KB	Output is correct
34	Correct	133 ms	59228 KB	Output is correct
35	Correct	138 ms	59340 KB	Output is correct
36	Correct	127 ms	59232 KB	Output is correct
37	Correct	119 ms	59228 KB	Output is correct
38	Correct	120 ms	59228 KB	Output is correct
39	Correct	120 ms	59232 KB	Output is correct
40	Correct	163 ms	59748 KB	Output is correct
41	Correct	258 ms	73988 KB	Output is correct
42	Correct	148 ms	59324 KB	Output is correct
43	Correct	853 ms	114284 KB	Output is correct

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	23 ms	47240 KB	Output is correct
2	Correct	27 ms	47236 KB	Output is correct
3	Correct	24 ms	47356 KB	Output is correct
4	Correct	25 ms	47292 KB	Output is correct
5	Incorrect	25 ms	47316 KB	3rd lines differ - on the 1st token, expected: '2096', found: '4002294'
6	Halted	0 ms	0 KB	-

Subtask #5

0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	22 ms	47180 KB	Output is correct
2	Correct	22 ms	47188 KB	Output is correct
3	Correct	23 ms	47228 KB	Output is correct
4	Correct	21 ms	47188 KB	Output is correct
5	Correct	22 ms	47316 KB	Output is correct
6	Correct	28 ms	47200 KB	Output is correct
7	Correct	25 ms	47172 KB	Output is correct
8	Correct	25 ms	47224 KB	Output is correct
9	Correct	28 ms	47248 KB	Output is correct
10	Correct	31 ms	47272 KB	Output is correct
11	Correct	29 ms	47152 KB	Output is correct
12	Correct	23 ms	47228 KB	Output is correct
13	Correct	24 ms	47188 KB	Output is correct
14	Correct	25 ms	47244 KB	Output is correct
15	Correct	22 ms	47172 KB	Output is correct
16	Correct	23 ms	47224 KB	Output is correct
17	Correct	31 ms	47152 KB	Output is correct
18	Correct	27 ms	47188 KB	Output is correct
19	Correct	25 ms	47344 KB	Output is correct
20	Correct	28 ms	47340 KB	Output is correct
21	Correct	23 ms	47188 KB	Output is correct
22	Correct	24 ms	47268 KB	Output is correct
23	Correct	24 ms	47204 KB	Output is correct
24	Correct	26 ms	47268 KB	Output is correct
25	Correct	25 ms	47188 KB	Output is correct
26	Correct	24 ms	47176 KB	Output is correct
27	Correct	26 ms	47188 KB	Output is correct
28	Correct	29 ms	47260 KB	Output is correct
29	Correct	28 ms	47260 KB	Output is correct
30	Correct	733 ms	116328 KB	Output is correct
31	Correct	743 ms	116420 KB	Output is correct
32	Correct	116 ms	54996 KB	Output is correct
33	Correct	135 ms	59292 KB	Output is correct
34	Correct	133 ms	59228 KB	Output is correct
35	Correct	138 ms	59340 KB	Output is correct
36	Correct	127 ms	59232 KB	Output is correct
37	Correct	119 ms	59228 KB	Output is correct
38	Correct	120 ms	59228 KB	Output is correct
39	Correct	120 ms	59232 KB	Output is correct
40	Correct	163 ms	59748 KB	Output is correct
41	Correct	258 ms	73988 KB	Output is correct
42	Correct	148 ms	59324 KB	Output is correct
43	Correct	853 ms	114284 KB	Output is correct
44	Correct	23 ms	47240 KB	Output is correct
45	Correct	27 ms	47236 KB	Output is correct
46	Correct	24 ms	47356 KB	Output is correct
47	Correct	25 ms	47292 KB	Output is correct
48	Incorrect	25 ms	47316 KB	3rd lines differ - on the 1st token, expected: '2096', found: '4002294'
49	Halted	0 ms	0 KB	-