oj.uz

Submission #986397

# Submission time Handle Problem Language Result Execution time Memory
986397 2024-05-20T12:47:05 Z Pyqe Ancient Books (IOI17_books) C++17
100 / 100
 269 ms 82364 KB 
#include <bits/stdc++.h>
#include "books.h"

using namespace std;

const long long inf=1e18;
long long n,a[1000069],fh[2][1000069],nr[1000069],dsu[1000069];
bitset<1000069> vtd,vtd2;
queue<long long> q;

long long fd(long long x)
{
	if(dsu[x]!=x)
	{
		dsu[x]=fd(dsu[x]);
	}
	return dsu[x];
}

void ad(long long x,long long w)
{
	long long i,p,sz;
	vector<long long> v;
	
	for(p=fh[0][x];fd(p)<=fh[1][x];dsu[fd(p)]=fd(fd(p)+1))
	{
		q.push(fd(p));
		nr[fd(p)]=w;
		v.push_back(fd(p));
	}
	sz=v.size();
	for(i=0;i<sz;i++)
	{
		ad(v[i],w);
	}
}

long long minimum_walk(vector<int> aa,int st)
{
	long long i,ii,u,k,p,mn,mx,z=0;
	
	st++;
	n=aa.size();
	for(i=1;i<=n;i++)
	{
		a[i]=aa[i-1]+1;
		z+=abs(i-a[i]);
		nr[i]=inf;
	}
	for(i=1;i<=n;i++)
	{
		if(!vtd[i])
		{
			mn=i;
			mx=i;
			for(p=i;!vtd[p];p=a[p])
			{
				vtd[p]=1;
				mn=min(mn,p);
				mx=max(mx,p);
			}
			for(p=i;!vtd2[p];p=a[p])
			{
				vtd2[p]=1;
				fh[0][p]=mn;
				fh[1][p]=mx;
			}
		}
	}
	for(i=1;i<=n+1;i++)
	{
		dsu[i]=i;
	}
	ad(st,0);
	mx=0;
	for(;!q.empty();)
	{
		k=q.front();
		q.pop();
		if(fh[0][k]<=st&&fh[1][k]>=st)
		{
			mx=nr[k];
		}
		for(ii=0;ii<2;ii++)
		{
			u=!ii*2-1;
			if(k+u&&k+u<=n)
			{
				ad(k+u,nr[k]+1);
			}
		}
	}
	z+=mx*2;
	mn=st;
	mx=st;
	for(i=1;i<=n;i++)
	{
		if(a[i]!=i)
		{
			mn=min(mn,i);
			mx=max(mx,i);
		}
	}
	k=0;
	for(i=mn;i<mx;i++)
	{
		k=max(k,fh[1][i]);
		z+=2*(k==i);
	}
	return z;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10588 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 2 ms 10588 KB Output is correct
5 Correct 1 ms 10588 KB Output is correct
6 Correct 1 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 10588 KB Output is correct
9 Correct 1 ms 10588 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct
11 Correct 2 ms 10692 KB Output is correct
12 Correct 1 ms 10584 KB Output is correct
13 Correct 1 ms 10588 KB Output is correct
14 Correct 2 ms 10588 KB Output is correct
15 Correct 2 ms 10588 KB Output is correct
16 Correct 1 ms 10596 KB Output is correct
17 Correct 1 ms 10588 KB Output is correct
18 Correct 2 ms 10588 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10588 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 2 ms 10588 KB Output is correct
5 Correct 1 ms 10588 KB Output is correct
6 Correct 1 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 10588 KB Output is correct
9 Correct 1 ms 10588 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct
11 Correct 2 ms 10692 KB Output is correct
12 Correct 1 ms 10584 KB Output is correct
13 Correct 1 ms 10588 KB Output is correct
14 Correct 2 ms 10588 KB Output is correct
15 Correct 2 ms 10588 KB Output is correct
16 Correct 1 ms 10596 KB Output is correct
17 Correct 1 ms 10588 KB Output is correct
18 Correct 2 ms 10588 KB Output is correct
19 Correct 2 ms 10588 KB Output is correct
20 Correct 2 ms 10588 KB Output is correct
21 Correct 2 ms 10588 KB Output is correct
22 Correct 2 ms 10588 KB Output is correct
23 Correct 2 ms 10712 KB Output is correct
24 Correct 1 ms 10588 KB Output is correct
25 Correct 1 ms 10588 KB Output is correct
26 Correct 2 ms 10584 KB Output is correct
27 Correct 2 ms 10584 KB Output is correct
28 Correct 2 ms 10584 KB Output is correct
29 Correct 2 ms 10588 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10588 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 2 ms 10588 KB Output is correct
5 Correct 1 ms 10588 KB Output is correct
6 Correct 1 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 10588 KB Output is correct
9 Correct 1 ms 10588 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct
11 Correct 2 ms 10692 KB Output is correct
12 Correct 1 ms 10584 KB Output is correct
13 Correct 1 ms 10588 KB Output is correct
14 Correct 2 ms 10588 KB Output is correct
15 Correct 2 ms 10588 KB Output is correct
16 Correct 1 ms 10596 KB Output is correct
17 Correct 1 ms 10588 KB Output is correct
18 Correct 2 ms 10588 KB Output is correct
19 Correct 2 ms 10588 KB Output is correct
20 Correct 2 ms 10588 KB Output is correct
21 Correct 2 ms 10588 KB Output is correct
22 Correct 2 ms 10588 KB Output is correct
23 Correct 2 ms 10712 KB Output is correct
24 Correct 1 ms 10588 KB Output is correct
25 Correct 1 ms 10588 KB Output is correct
26 Correct 2 ms 10584 KB Output is correct
27 Correct 2 ms 10584 KB Output is correct
28 Correct 2 ms 10584 KB Output is correct
29 Correct 2 ms 10588 KB Output is correct
30 Correct 219 ms 81928 KB Output is correct
31 Correct 269 ms 81956 KB Output is correct
32 Correct 136 ms 54140 KB Output is correct
33 Correct 159 ms 54352 KB Output is correct
34 Correct 151 ms 54352 KB Output is correct
35 Correct 144 ms 54372 KB Output is correct
36 Correct 145 ms 54376 KB Output is correct
37 Correct 132 ms 54656 KB Output is correct
38 Correct 125 ms 54524 KB Output is correct
39 Correct 124 ms 54612 KB Output is correct
40 Correct 128 ms 55752 KB Output is correct
41 Correct 156 ms 69324 KB Output is correct
42 Correct 180 ms 65212 KB Output is correct
43 Correct 146 ms 82364 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10584 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 1 ms 10584 KB Output is correct
5 Correct 2 ms 10588 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 2 ms 10588 KB Output is correct
8 Correct 2 ms 10588 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct
11 Correct 2 ms 10588 KB Output is correct
12 Correct 2 ms 10588 KB Output is correct
13 Correct 2 ms 10588 KB Output is correct
14 Correct 2 ms 10588 KB Output is correct
15 Correct 2 ms 10588 KB Output is correct
16 Correct 2 ms 10584 KB Output is correct
17 Correct 2 ms 10588 KB Output is correct
18 Correct 2 ms 10588 KB Output is correct
19 Correct 2 ms 10588 KB Output is correct
20 Correct 2 ms 10588 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10588 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 2 ms 10588 KB Output is correct
5 Correct 1 ms 10588 KB Output is correct
6 Correct 1 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 10588 KB Output is correct
9 Correct 1 ms 10588 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct
11 Correct 2 ms 10692 KB Output is correct
12 Correct 1 ms 10584 KB Output is correct
13 Correct 1 ms 10588 KB Output is correct
14 Correct 2 ms 10588 KB Output is correct
15 Correct 2 ms 10588 KB Output is correct
16 Correct 1 ms 10596 KB Output is correct
17 Correct 1 ms 10588 KB Output is correct
18 Correct 2 ms 10588 KB Output is correct
19 Correct 2 ms 10588 KB Output is correct
20 Correct 2 ms 10588 KB Output is correct
21 Correct 2 ms 10588 KB Output is correct
22 Correct 2 ms 10588 KB Output is correct
23 Correct 2 ms 10712 KB Output is correct
24 Correct 1 ms 10588 KB Output is correct
25 Correct 1 ms 10588 KB Output is correct
26 Correct 2 ms 10584 KB Output is correct
27 Correct 2 ms 10584 KB Output is correct
28 Correct 2 ms 10584 KB Output is correct
29 Correct 2 ms 10588 KB Output is correct
30 Correct 219 ms 81928 KB Output is correct
31 Correct 269 ms 81956 KB Output is correct
32 Correct 136 ms 54140 KB Output is correct
33 Correct 159 ms 54352 KB Output is correct
34 Correct 151 ms 54352 KB Output is correct
35 Correct 144 ms 54372 KB Output is correct
36 Correct 145 ms 54376 KB Output is correct
37 Correct 132 ms 54656 KB Output is correct
38 Correct 125 ms 54524 KB Output is correct
39 Correct 124 ms 54612 KB Output is correct
40 Correct 128 ms 55752 KB Output is correct
41 Correct 156 ms 69324 KB Output is correct
42 Correct 180 ms 65212 KB Output is correct
43 Correct 146 ms 82364 KB Output is correct
44 Correct 2 ms 10584 KB Output is correct
45 Correct 2 ms 10588 KB Output is correct
46 Correct 2 ms 10588 KB Output is correct
47 Correct 1 ms 10584 KB Output is correct
48 Correct 2 ms 10588 KB Output is correct
49 Correct 2 ms 10588 KB Output is correct
50 Correct 2 ms 10588 KB Output is correct
51 Correct 2 ms 10588 KB Output is correct
52 Correct 2 ms 10588 KB Output is correct
53 Correct 2 ms 10588 KB Output is correct
54 Correct 2 ms 10588 KB Output is correct
55 Correct 2 ms 10588 KB Output is correct
56 Correct 2 ms 10588 KB Output is correct
57 Correct 2 ms 10588 KB Output is correct
58 Correct 2 ms 10588 KB Output is correct
59 Correct 2 ms 10584 KB Output is correct
60 Correct 2 ms 10588 KB Output is correct
61 Correct 2 ms 10588 KB Output is correct
62 Correct 2 ms 10588 KB Output is correct
63 Correct 2 ms 10588 KB Output is correct
64 Correct 138 ms 79184 KB Output is correct
65 Correct 130 ms 74776 KB Output is correct
66 Correct 133 ms 57948 KB Output is correct
67 Correct 127 ms 67624 KB Output is correct
68 Correct 15 ms 18868 KB Output is correct
69 Correct 14 ms 17088 KB Output is correct
70 Correct 15 ms 18736 KB Output is correct
71 Correct 14 ms 18256 KB Output is correct
72 Correct 14 ms 16476 KB Output is correct
73 Correct 15 ms 18072 KB Output is correct
74 Correct 145 ms 54352 KB Output is correct
75 Correct 165 ms 54212 KB Output is correct
76 Correct 156 ms 82128 KB Output is correct
77 Correct 139 ms 82356 KB Output is correct
78 Correct 134 ms 61632 KB Output is correct
79 Correct 144 ms 62380 KB Output is correct
80 Correct 125 ms 54352 KB Output is correct
81 Correct 133 ms 56536 KB Output is correct
82 Correct 135 ms 56008 KB Output is correct
83 Correct 144 ms 54356 KB Output is correct
84 Correct 143 ms 54372 KB Output is correct
85 Correct 127 ms 54392 KB Output is correct
86 Correct 123 ms 54388 KB Output is correct
87 Correct 182 ms 54248 KB Output is correct
88 Correct 141 ms 54364 KB Output is correct
89 Correct 138 ms 54356 KB Output is correct
90 Correct 127 ms 54392 KB Output is correct
91 Correct 126 ms 54380 KB Output is correct
92 Correct 130 ms 55588 KB Output is correct