oj.uz

Submission #291598

# Submission time Handle Problem Language Result Execution time Memory
291598 2020-09-05T14:14:09 Z _7_7_ Ancient Books (IOI17_books) C++14
50 / 100
 1942 ms 98088 KB 
#include "books.h"
#include <bits/stdc++.h>                                           
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
using namespace std;
using namespace __gnu_pbds;
 
//#define int long long
//#pragma GCC optimize("Ofast")
//#pragma comment(linker, "/stack:200000000")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4")
 
 
#define file(s) freopen(s".in","r",stdin); freopen(s".out","w",stdout);
#define fastio ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define all(x) x.begin(), x.end()
#define sz(s) (int)s.size()
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define s second
#define f first
 
 
 
 
typedef pair < long long, long long > pll;    
typedef pair < int, int > pii;  
typedef unsigned long long ull;         
typedef vector < pii > vpii;                                   	
typedef vector < int > vi;
typedef long double ldb;  
typedef long long ll;  
typedef double db;
 
typedef tree < int, null_type, less < int >, rb_tree_tag, tree_order_statistics_node_update > ordered_set;
 
const int inf = 1e9, maxn = 2e5 + 48, mod = 998244353, N = 1e6 + 11;
const int dx[] = {-1, 0, 1, 0}, dy[] = {0, -1, 0, 1}, block = 300;
const pii base = mp(1171, 3307), Mod = mp(1e9 + 7, 1e9 + 9);
const db eps = 1e-12, pi = acos(-1);
const ll INF = 1e18;


ll res;
int n, p[N];
bool was[N];
set < int > q;

int get (int l, int r) {
	if (l > r)
		swap(l, r);

	auto it = q.upper_bound(l);
	if (it == q.end() || *it >= r)
		return -1;

	return *it;
}

void solve (int i) {
	was[i] = 1;
	q.erase(i);

	if (!was[p[i]]) 
		solve(p[i]);			
	
	
	while (1) {
		int j = get(i, p[i]);
		if (j == -1)
			break;
		solve(j);
	}
}


ll minimum_walk(vi P, int s) {
	n = sz(P);
	
	for (int i = 0; i < n; ++i)
		p[i] = P[i];
	
	for (int i = 0; i < n; ++i)
		res += abs(i - p[i]);
	
	for (int i = 0; i < n; ++i)
		q.insert(i);	
	
	int j = n - 1;
	while (j >= 0 && p[j] == j)
		--j;

	for (int i = 0; i <= j; ++i)
		if (!was[i]) {
			if (i)
				res += 2;
			solve(i);
		}
		
	return res;		
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 288 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 288 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 288 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1940 ms 98088 KB Output is correct
31 Correct 1942 ms 97064 KB Output is correct
32 Correct 394 ms 64892 KB Output is correct
33 Correct 582 ms 65720 KB Output is correct
34 Correct 582 ms 65800 KB Output is correct
35 Correct 584 ms 65848 KB Output is correct
36 Correct 600 ms 65912 KB Output is correct
37 Correct 631 ms 65752 KB Output is correct
38 Correct 668 ms 65960 KB Output is correct
39 Correct 677 ms 65996 KB Output is correct
40 Correct 755 ms 67704 KB Output is correct
41 Correct 1412 ms 81596 KB Output is correct
42 Correct 1217 ms 78144 KB Output is correct
43 Correct 662 ms 65912 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 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 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 288 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1940 ms 98088 KB Output is correct
31 Correct 1942 ms 97064 KB Output is correct
32 Correct 394 ms 64892 KB Output is correct
33 Correct 582 ms 65720 KB Output is correct
34 Correct 582 ms 65800 KB Output is correct
35 Correct 584 ms 65848 KB Output is correct
36 Correct 600 ms 65912 KB Output is correct
37 Correct 631 ms 65752 KB Output is correct
38 Correct 668 ms 65960 KB Output is correct
39 Correct 677 ms 65996 KB Output is correct
40 Correct 755 ms 67704 KB Output is correct
41 Correct 1412 ms 81596 KB Output is correct
42 Correct 1217 ms 78144 KB Output is correct
43 Correct 662 ms 65912 KB Output is correct
44 Incorrect 1 ms 384 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -