Submission #1037035

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1037035	2024-07-27T22:37:29 Z	ALeonidou	Ancient Books (IOI17_books)	C++17	50 / 100	101 ms	30692 KB

books

#include "books.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define endl "\n"
#define sz(x) (ll)x.size()
#define F first
#define S second
#define pb push_back
#define INF 1000000000000000000

typedef vector <ll> vi;
typedef pair <ll,ll> ii;
typedef vector <ii> vii;

#define dbg(x) cout<<#x<<": "<<x<<endl;
#define dbg2(x,y) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<endl;
#define dbg3(x,y,z) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<" "<<#z<<": "<<z<<endl;

void printVct(vi &v){
	for (ll i =0; i<sz(v); i++){
		cout<<v[i]<<" ";
	}
	cout<<endl;
}

ll n;
vi p;

vi vis;
void dfs(ll u, ll &r){
	vis[u] =1;
	r = max(r,u);
	ll c = p[u];
	if (!vis[c]) dfs(c,r);
}

long long minimum_walk(vector<int> P, int ss) {
	n = sz(P);
	p.resize(n);
	for (ll i =0; i<n; i++){
		p[i] = P[i];
	}
	ll s = ss;

	ll d = 0;
	for (ll i =0; i<n; i++){
		d += abs(i - p[i]);
	}

	ll b = n-1;
	while (b >= 0 && p[b] == b) b--;

	ll r = 0, e = 0;
	vis.assign(n, 0);
	dfs(0, r);
	for (ll i =0; i<b; i++){
		if (r < i) e++;
		if (!vis[i]) dfs(i, r);
  	}

	ll ans = d + e * 2;
	return ans;
}

/*
4 0
0 2 3 1

4 0
0 2 3 1

4 0
3 2 1 0
*/

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:45:5: warning: unused variable 's' [-Wunused-variable]
   45 |  ll s = ss;
      |     ^

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 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	348 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	416 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 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	348 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	416 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 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	0 ms	348 KB	Output is correct
25	Correct	0 ms	432 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	440 KB	Output is correct

Subtask #3
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 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	348 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	416 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 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	0 ms	348 KB	Output is correct
25	Correct	0 ms	432 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	440 KB	Output is correct
30	Correct	101 ms	30576 KB	Output is correct
31	Correct	98 ms	30572 KB	Output is correct
32	Correct	77 ms	30548 KB	Output is correct
33	Correct	77 ms	30544 KB	Output is correct
34	Correct	76 ms	30532 KB	Output is correct
35	Correct	77 ms	30536 KB	Output is correct
36	Correct	84 ms	30692 KB	Output is correct
37	Correct	75 ms	30580 KB	Output is correct
38	Correct	83 ms	30548 KB	Output is correct
39	Correct	78 ms	30508 KB	Output is correct
40	Correct	80 ms	30440 KB	Output is correct
41	Correct	97 ms	30548 KB	Output is correct
42	Correct	90 ms	30452 KB	Output is correct
43	Correct	77 ms	30548 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	348 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 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	348 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	416 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 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	0 ms	348 KB	Output is correct
25	Correct	0 ms	432 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	440 KB	Output is correct
30	Correct	101 ms	30576 KB	Output is correct
31	Correct	98 ms	30572 KB	Output is correct
32	Correct	77 ms	30548 KB	Output is correct
33	Correct	77 ms	30544 KB	Output is correct
34	Correct	76 ms	30532 KB	Output is correct
35	Correct	77 ms	30536 KB	Output is correct
36	Correct	84 ms	30692 KB	Output is correct
37	Correct	75 ms	30580 KB	Output is correct
38	Correct	83 ms	30548 KB	Output is correct
39	Correct	78 ms	30508 KB	Output is correct
40	Correct	80 ms	30440 KB	Output is correct
41	Correct	97 ms	30548 KB	Output is correct
42	Correct	90 ms	30452 KB	Output is correct
43	Correct	77 ms	30548 KB	Output is correct
44	Incorrect	0 ms	348 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

Submission #1037035

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 10.0 / 10.0

Subtask #3 28.0 / 28.0

Subtask #4 0 / 20.0

Subtask #5 0 / 30.0

Subtask #1
12.0 / 12.0

Subtask #2
10.0 / 10.0

Subtask #3
28.0 / 28.0

Subtask #4
0 / 20.0

Subtask #5
0 / 30.0