Submission #581895

# Submission time Handle Problem Language Result Execution time Memory
581895 2022-06-23T07:48:33 Z Koosha_mv Ancient Books (IOI17_books) C++14
50 / 100
778 ms 116304 KB
#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-1,0});
	}
	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]){
      |            ^
# Verdict Execution time Memory Grader output
1 Correct 27 ms 47184 KB Output is correct
2 Correct 24 ms 47164 KB Output is correct
3 Correct 24 ms 47248 KB Output is correct
4 Correct 24 ms 47276 KB Output is correct
5 Correct 23 ms 47268 KB Output is correct
6 Correct 23 ms 47276 KB Output is correct
7 Correct 24 ms 47188 KB Output is correct
8 Correct 26 ms 47228 KB Output is correct
9 Correct 33 ms 47212 KB Output is correct
10 Correct 25 ms 47260 KB Output is correct
11 Correct 25 ms 47188 KB Output is correct
12 Correct 24 ms 47160 KB Output is correct
13 Correct 24 ms 47208 KB Output is correct
14 Correct 24 ms 47256 KB Output is correct
15 Correct 25 ms 47188 KB Output is correct
16 Correct 23 ms 47164 KB Output is correct
17 Correct 23 ms 47188 KB Output is correct
18 Correct 24 ms 47188 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 27 ms 47184 KB Output is correct
2 Correct 24 ms 47164 KB Output is correct
3 Correct 24 ms 47248 KB Output is correct
4 Correct 24 ms 47276 KB Output is correct
5 Correct 23 ms 47268 KB Output is correct
6 Correct 23 ms 47276 KB Output is correct
7 Correct 24 ms 47188 KB Output is correct
8 Correct 26 ms 47228 KB Output is correct
9 Correct 33 ms 47212 KB Output is correct
10 Correct 25 ms 47260 KB Output is correct
11 Correct 25 ms 47188 KB Output is correct
12 Correct 24 ms 47160 KB Output is correct
13 Correct 24 ms 47208 KB Output is correct
14 Correct 24 ms 47256 KB Output is correct
15 Correct 25 ms 47188 KB Output is correct
16 Correct 23 ms 47164 KB Output is correct
17 Correct 23 ms 47188 KB Output is correct
18 Correct 24 ms 47188 KB Output is correct
19 Correct 29 ms 47272 KB Output is correct
20 Correct 24 ms 47352 KB Output is correct
21 Correct 24 ms 47188 KB Output is correct
22 Correct 25 ms 47292 KB Output is correct
23 Correct 25 ms 47188 KB Output is correct
24 Correct 23 ms 47188 KB Output is correct
25 Correct 24 ms 47276 KB Output is correct
26 Correct 25 ms 47228 KB Output is correct
27 Correct 25 ms 47192 KB Output is correct
28 Correct 24 ms 47252 KB Output is correct
29 Correct 23 ms 47316 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 27 ms 47184 KB Output is correct
2 Correct 24 ms 47164 KB Output is correct
3 Correct 24 ms 47248 KB Output is correct
4 Correct 24 ms 47276 KB Output is correct
5 Correct 23 ms 47268 KB Output is correct
6 Correct 23 ms 47276 KB Output is correct
7 Correct 24 ms 47188 KB Output is correct
8 Correct 26 ms 47228 KB Output is correct
9 Correct 33 ms 47212 KB Output is correct
10 Correct 25 ms 47260 KB Output is correct
11 Correct 25 ms 47188 KB Output is correct
12 Correct 24 ms 47160 KB Output is correct
13 Correct 24 ms 47208 KB Output is correct
14 Correct 24 ms 47256 KB Output is correct
15 Correct 25 ms 47188 KB Output is correct
16 Correct 23 ms 47164 KB Output is correct
17 Correct 23 ms 47188 KB Output is correct
18 Correct 24 ms 47188 KB Output is correct
19 Correct 29 ms 47272 KB Output is correct
20 Correct 24 ms 47352 KB Output is correct
21 Correct 24 ms 47188 KB Output is correct
22 Correct 25 ms 47292 KB Output is correct
23 Correct 25 ms 47188 KB Output is correct
24 Correct 23 ms 47188 KB Output is correct
25 Correct 24 ms 47276 KB Output is correct
26 Correct 25 ms 47228 KB Output is correct
27 Correct 25 ms 47192 KB Output is correct
28 Correct 24 ms 47252 KB Output is correct
29 Correct 23 ms 47316 KB Output is correct
30 Correct 778 ms 116304 KB Output is correct
31 Correct 740 ms 116252 KB Output is correct
32 Correct 116 ms 54988 KB Output is correct
33 Correct 132 ms 59228 KB Output is correct
34 Correct 126 ms 59240 KB Output is correct
35 Correct 152 ms 59236 KB Output is correct
36 Correct 132 ms 59224 KB Output is correct
37 Correct 136 ms 59232 KB Output is correct
38 Correct 116 ms 59244 KB Output is correct
39 Correct 128 ms 59228 KB Output is correct
40 Correct 119 ms 59744 KB Output is correct
41 Correct 242 ms 73924 KB Output is correct
42 Correct 114 ms 59328 KB Output is correct
43 Correct 721 ms 114360 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 47304 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3306'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 27 ms 47184 KB Output is correct
2 Correct 24 ms 47164 KB Output is correct
3 Correct 24 ms 47248 KB Output is correct
4 Correct 24 ms 47276 KB Output is correct
5 Correct 23 ms 47268 KB Output is correct
6 Correct 23 ms 47276 KB Output is correct
7 Correct 24 ms 47188 KB Output is correct
8 Correct 26 ms 47228 KB Output is correct
9 Correct 33 ms 47212 KB Output is correct
10 Correct 25 ms 47260 KB Output is correct
11 Correct 25 ms 47188 KB Output is correct
12 Correct 24 ms 47160 KB Output is correct
13 Correct 24 ms 47208 KB Output is correct
14 Correct 24 ms 47256 KB Output is correct
15 Correct 25 ms 47188 KB Output is correct
16 Correct 23 ms 47164 KB Output is correct
17 Correct 23 ms 47188 KB Output is correct
18 Correct 24 ms 47188 KB Output is correct
19 Correct 29 ms 47272 KB Output is correct
20 Correct 24 ms 47352 KB Output is correct
21 Correct 24 ms 47188 KB Output is correct
22 Correct 25 ms 47292 KB Output is correct
23 Correct 25 ms 47188 KB Output is correct
24 Correct 23 ms 47188 KB Output is correct
25 Correct 24 ms 47276 KB Output is correct
26 Correct 25 ms 47228 KB Output is correct
27 Correct 25 ms 47192 KB Output is correct
28 Correct 24 ms 47252 KB Output is correct
29 Correct 23 ms 47316 KB Output is correct
30 Correct 778 ms 116304 KB Output is correct
31 Correct 740 ms 116252 KB Output is correct
32 Correct 116 ms 54988 KB Output is correct
33 Correct 132 ms 59228 KB Output is correct
34 Correct 126 ms 59240 KB Output is correct
35 Correct 152 ms 59236 KB Output is correct
36 Correct 132 ms 59224 KB Output is correct
37 Correct 136 ms 59232 KB Output is correct
38 Correct 116 ms 59244 KB Output is correct
39 Correct 128 ms 59228 KB Output is correct
40 Correct 119 ms 59744 KB Output is correct
41 Correct 242 ms 73924 KB Output is correct
42 Correct 114 ms 59328 KB Output is correct
43 Correct 721 ms 114360 KB Output is correct
44 Incorrect 23 ms 47304 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3306'
45 Halted 0 ms 0 KB -