Submission #581797

# Submission time Handle Problem Language Result Execution time Memory
581797 2022-06-23T06:32:08 Z Koosha_mv Ancient Books (IOI17_books) C++14
50 / 100
159 ms 28916 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=1e6+99;
const ll inf=1e15;
 
int n,p[N],vis[N];
ll Max[N];
 
ll minimum_walk(vector<int> p, int s) {
	vector<pair<ll,ll>> vec;
	n=p.size();
	while(n>0 && p[n-1]==n-1) n--;
	ll mx=0,sum=0,ans=0;
	f(i,0,n){
		sum+=abs(i-p[i]);
		if(vis[i]) continue ;
		if(mx<i) ans+=2;
		int u=i;
		ll l=-inf,r=inf;
		maxm(mx,1ll*i);
		do{
			maxm(mx,1ll*u);
			vis[u]=1;
			if(u<=s) maxm(l,1ll*u);
			if(s<=u) minm(r,1ll*u);
			u=p[u];
		} while(!vis[u]);
		vec.pb({l,r});
	}
	return ans+sum;
	sort(all(vec));
	Max[0]=vec[0].S;
	f(i,1,vec.size()) Max[i]=max(Max[i-1],vec[i].S);
	minm(ans,2ll*(s-vec[0].F));
	minm(ans,2ll*(Max[vec.size()-1]-s));
	f_(i,vec.size()-1,1){
		minm(ans,2ll*(s-vec[i].F)+2ll*(Max[i-1]-s));
	}
	return ans+sum;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:9:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   54 |  f(i,1,vec.size()) Max[i]=max(Max[i-1],vec[i].S);
      |    ~~~~~~~~~~~~~~              
books.cpp:54:2: note: in expansion of macro 'f'
   54 |  f(i,1,vec.size()) Max[i]=max(Max[i-1],vec[i].S);
      |  ^
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 308 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 308 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 308 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 308 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 308 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 308 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 159 ms 12576 KB Output is correct
31 Correct 128 ms 12544 KB Output is correct
32 Correct 90 ms 8652 KB Output is correct
33 Correct 110 ms 28152 KB Output is correct
34 Correct 111 ms 28076 KB Output is correct
35 Correct 111 ms 28916 KB Output is correct
36 Correct 94 ms 16632 KB Output is correct
37 Correct 106 ms 13476 KB Output is correct
38 Correct 112 ms 12712 KB Output is correct
39 Correct 111 ms 12220 KB Output is correct
40 Correct 97 ms 12096 KB Output is correct
41 Correct 110 ms 12052 KB Output is correct
42 Correct 116 ms 12112 KB Output is correct
43 Correct 107 ms 28324 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 308 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 308 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 159 ms 12576 KB Output is correct
31 Correct 128 ms 12544 KB Output is correct
32 Correct 90 ms 8652 KB Output is correct
33 Correct 110 ms 28152 KB Output is correct
34 Correct 111 ms 28076 KB Output is correct
35 Correct 111 ms 28916 KB Output is correct
36 Correct 94 ms 16632 KB Output is correct
37 Correct 106 ms 13476 KB Output is correct
38 Correct 112 ms 12712 KB Output is correct
39 Correct 111 ms 12220 KB Output is correct
40 Correct 97 ms 12096 KB Output is correct
41 Correct 110 ms 12052 KB Output is correct
42 Correct 116 ms 12112 KB Output is correct
43 Correct 107 ms 28324 KB Output is correct
44 Incorrect 1 ms 340 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -