Submission #581901

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
581901	2022-06-23T07:53:26 Z	Koosha_mv	Ancient Books (IOI17_books)	C++14	50 / 100	818 ms	116360 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[0];
}

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	29 ms	47200 KB	Output is correct
2	Correct	22 ms	47240 KB	Output is correct
3	Correct	23 ms	47160 KB	Output is correct
4	Correct	25 ms	47204 KB	Output is correct
5	Correct	29 ms	47188 KB	Output is correct
6	Correct	26 ms	47208 KB	Output is correct
7	Correct	25 ms	47188 KB	Output is correct
8	Correct	25 ms	47204 KB	Output is correct
9	Correct	22 ms	47188 KB	Output is correct
10	Correct	24 ms	47200 KB	Output is correct
11	Correct	25 ms	47188 KB	Output is correct
12	Correct	25 ms	47188 KB	Output is correct
13	Correct	25 ms	47160 KB	Output is correct
14	Correct	24 ms	47168 KB	Output is correct
15	Correct	24 ms	47276 KB	Output is correct
16	Correct	26 ms	47176 KB	Output is correct
17	Correct	22 ms	47188 KB	Output is correct
18	Correct	25 ms	47188 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	29 ms	47200 KB	Output is correct
2	Correct	22 ms	47240 KB	Output is correct
3	Correct	23 ms	47160 KB	Output is correct
4	Correct	25 ms	47204 KB	Output is correct
5	Correct	29 ms	47188 KB	Output is correct
6	Correct	26 ms	47208 KB	Output is correct
7	Correct	25 ms	47188 KB	Output is correct
8	Correct	25 ms	47204 KB	Output is correct
9	Correct	22 ms	47188 KB	Output is correct
10	Correct	24 ms	47200 KB	Output is correct
11	Correct	25 ms	47188 KB	Output is correct
12	Correct	25 ms	47188 KB	Output is correct
13	Correct	25 ms	47160 KB	Output is correct
14	Correct	24 ms	47168 KB	Output is correct
15	Correct	24 ms	47276 KB	Output is correct
16	Correct	26 ms	47176 KB	Output is correct
17	Correct	22 ms	47188 KB	Output is correct
18	Correct	25 ms	47188 KB	Output is correct
19	Correct	26 ms	47240 KB	Output is correct
20	Correct	31 ms	47224 KB	Output is correct
21	Correct	29 ms	47200 KB	Output is correct
22	Correct	26 ms	47188 KB	Output is correct
23	Correct	26 ms	47228 KB	Output is correct
24	Correct	31 ms	47204 KB	Output is correct
25	Correct	27 ms	47188 KB	Output is correct
26	Correct	27 ms	47180 KB	Output is correct
27	Correct	25 ms	47188 KB	Output is correct
28	Correct	26 ms	47288 KB	Output is correct
29	Correct	28 ms	47316 KB	Output is correct

Subtask #3

28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	29 ms	47200 KB	Output is correct
2	Correct	22 ms	47240 KB	Output is correct
3	Correct	23 ms	47160 KB	Output is correct
4	Correct	25 ms	47204 KB	Output is correct
5	Correct	29 ms	47188 KB	Output is correct
6	Correct	26 ms	47208 KB	Output is correct
7	Correct	25 ms	47188 KB	Output is correct
8	Correct	25 ms	47204 KB	Output is correct
9	Correct	22 ms	47188 KB	Output is correct
10	Correct	24 ms	47200 KB	Output is correct
11	Correct	25 ms	47188 KB	Output is correct
12	Correct	25 ms	47188 KB	Output is correct
13	Correct	25 ms	47160 KB	Output is correct
14	Correct	24 ms	47168 KB	Output is correct
15	Correct	24 ms	47276 KB	Output is correct
16	Correct	26 ms	47176 KB	Output is correct
17	Correct	22 ms	47188 KB	Output is correct
18	Correct	25 ms	47188 KB	Output is correct
19	Correct	26 ms	47240 KB	Output is correct
20	Correct	31 ms	47224 KB	Output is correct
21	Correct	29 ms	47200 KB	Output is correct
22	Correct	26 ms	47188 KB	Output is correct
23	Correct	26 ms	47228 KB	Output is correct
24	Correct	31 ms	47204 KB	Output is correct
25	Correct	27 ms	47188 KB	Output is correct
26	Correct	27 ms	47180 KB	Output is correct
27	Correct	25 ms	47188 KB	Output is correct
28	Correct	26 ms	47288 KB	Output is correct
29	Correct	28 ms	47316 KB	Output is correct
30	Correct	793 ms	116324 KB	Output is correct
31	Correct	795 ms	116360 KB	Output is correct
32	Correct	110 ms	55032 KB	Output is correct
33	Correct	144 ms	59228 KB	Output is correct
34	Correct	132 ms	59344 KB	Output is correct
35	Correct	126 ms	59420 KB	Output is correct
36	Correct	121 ms	59224 KB	Output is correct
37	Correct	147 ms	59232 KB	Output is correct
38	Correct	143 ms	59264 KB	Output is correct
39	Correct	132 ms	59232 KB	Output is correct
40	Correct	153 ms	59704 KB	Output is correct
41	Correct	244 ms	73896 KB	Output is correct
42	Correct	122 ms	59232 KB	Output is correct
43	Correct	818 ms	114300 KB	Output is correct

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	26 ms	47224 KB	Output is correct
2	Correct	26 ms	47224 KB	Output is correct
3	Correct	24 ms	47256 KB	Output is correct
4	Correct	25 ms	47188 KB	Output is correct
5	Incorrect	25 ms	47188 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	29 ms	47200 KB	Output is correct
2	Correct	22 ms	47240 KB	Output is correct
3	Correct	23 ms	47160 KB	Output is correct
4	Correct	25 ms	47204 KB	Output is correct
5	Correct	29 ms	47188 KB	Output is correct
6	Correct	26 ms	47208 KB	Output is correct
7	Correct	25 ms	47188 KB	Output is correct
8	Correct	25 ms	47204 KB	Output is correct
9	Correct	22 ms	47188 KB	Output is correct
10	Correct	24 ms	47200 KB	Output is correct
11	Correct	25 ms	47188 KB	Output is correct
12	Correct	25 ms	47188 KB	Output is correct
13	Correct	25 ms	47160 KB	Output is correct
14	Correct	24 ms	47168 KB	Output is correct
15	Correct	24 ms	47276 KB	Output is correct
16	Correct	26 ms	47176 KB	Output is correct
17	Correct	22 ms	47188 KB	Output is correct
18	Correct	25 ms	47188 KB	Output is correct
19	Correct	26 ms	47240 KB	Output is correct
20	Correct	31 ms	47224 KB	Output is correct
21	Correct	29 ms	47200 KB	Output is correct
22	Correct	26 ms	47188 KB	Output is correct
23	Correct	26 ms	47228 KB	Output is correct
24	Correct	31 ms	47204 KB	Output is correct
25	Correct	27 ms	47188 KB	Output is correct
26	Correct	27 ms	47180 KB	Output is correct
27	Correct	25 ms	47188 KB	Output is correct
28	Correct	26 ms	47288 KB	Output is correct
29	Correct	28 ms	47316 KB	Output is correct
30	Correct	793 ms	116324 KB	Output is correct
31	Correct	795 ms	116360 KB	Output is correct
32	Correct	110 ms	55032 KB	Output is correct
33	Correct	144 ms	59228 KB	Output is correct
34	Correct	132 ms	59344 KB	Output is correct
35	Correct	126 ms	59420 KB	Output is correct
36	Correct	121 ms	59224 KB	Output is correct
37	Correct	147 ms	59232 KB	Output is correct
38	Correct	143 ms	59264 KB	Output is correct
39	Correct	132 ms	59232 KB	Output is correct
40	Correct	153 ms	59704 KB	Output is correct
41	Correct	244 ms	73896 KB	Output is correct
42	Correct	122 ms	59232 KB	Output is correct
43	Correct	818 ms	114300 KB	Output is correct
44	Correct	26 ms	47224 KB	Output is correct
45	Correct	26 ms	47224 KB	Output is correct
46	Correct	24 ms	47256 KB	Output is correct
47	Correct	25 ms	47188 KB	Output is correct
48	Incorrect	25 ms	47188 KB	3rd lines differ - on the 1st token, expected: '2096', found: '4002294'
49	Halted	0 ms	0 KB	-