oj.uz

Submission #59658

# Submission time Handle Problem Language Result Execution time Memory
59658 2018-07-22T20:59:43 Z TadijaSebez Ancient Books (IOI17_books) C++11
100 / 100
 330 ms 243252 KB 
#include "books.h"
#include <stdio.h>
#include <queue>
#include <vector>
#include <algorithm>
using namespace std;
#define ll long long
queue<int> q1,q2;
const int N=1000050;
int max(int a, int b){ return a>b?a:b;}
int min(int a, int b){ return a>b?b:a;}
int abs(int x){ return x>0?x:-x;}
ll minimum_walk(vector<int> p, int s)
{
	ll sol=0;
	int n=p.size(),i,j,ml=n,mr=-1;
	for(i=0;i<n;i++)
	{
		sol+=abs(p[i]-i);
		if(p[i]!=i) ml=min(ml,i),mr=max(mr,i);
	}
	q1.push(s);
	int myl=s,myr=s;
	while(1)
	{
		while(q1.size())
		{
			int x=q1.front();q1.pop();
			while(myl>p[x]) q1.push(--myl);
			while(myr<p[x]) q1.push(++myr);
		}
		int nl=myl,nr=myr,addl=0,addr=0;
		bool lf=0,rf=0;
		while(1)
		{
			if(nl<=ml) break;
			nl--;addl+=2;q2.push(nl);
			while(q2.size())
			{
				int x=q2.front();q2.pop();
				if(p[x]>s) lf=1;
				while(nl>p[x]) q2.push(--nl);
			}
			if(lf) break;
		}
		while(1)
		{
			if(nr>=mr) break;
			nr++;addr+=2;q2.push(nr);
			while(q2.size())
			{
				int x=q2.front();q2.pop();
				if(p[x]<s) rf=1;
				while(nr<p[x]) q2.push(++nr);
			}
			if(rf) break;
		}
		if(lf && rf) sol+=min(addl,addr);
		else{ sol+=addl+addr;break;}
		while(myl>nl) q1.push(--myl);
		while(myr<nr) q1.push(++myr);
	}
	return sol;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:16:19: warning: unused variable 'j' [-Wunused-variable]
  int n=p.size(),i,j,ml=n,mr=-1;
                   ^

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 2 ms 516 KB Output is correct
7 Correct 2 ms 516 KB Output is correct
8 Correct 2 ms 516 KB Output is correct
9 Correct 2 ms 516 KB Output is correct
10 Correct 2 ms 516 KB Output is correct
11 Correct 2 ms 516 KB Output is correct
12 Correct 2 ms 516 KB Output is correct
13 Correct 2 ms 520 KB Output is correct
14 Correct 2 ms 648 KB Output is correct
15 Correct 3 ms 648 KB Output is correct
16 Correct 2 ms 648 KB Output is correct
17 Correct 2 ms 648 KB Output is correct
18 Correct 2 ms 648 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 2 ms 516 KB Output is correct
7 Correct 2 ms 516 KB Output is correct
8 Correct 2 ms 516 KB Output is correct
9 Correct 2 ms 516 KB Output is correct
10 Correct 2 ms 516 KB Output is correct
11 Correct 2 ms 516 KB Output is correct
12 Correct 2 ms 516 KB Output is correct
13 Correct 2 ms 520 KB Output is correct
14 Correct 2 ms 648 KB Output is correct
15 Correct 3 ms 648 KB Output is correct
16 Correct 2 ms 648 KB Output is correct
17 Correct 2 ms 648 KB Output is correct
18 Correct 2 ms 648 KB Output is correct
19 Correct 2 ms 648 KB Output is correct
20 Correct 2 ms 648 KB Output is correct
21 Correct 2 ms 648 KB Output is correct
22 Correct 2 ms 648 KB Output is correct
23 Correct 2 ms 648 KB Output is correct
24 Correct 2 ms 648 KB Output is correct
25 Correct 2 ms 648 KB Output is correct
26 Correct 2 ms 648 KB Output is correct
27 Correct 2 ms 700 KB Output is correct
28 Correct 2 ms 700 KB Output is correct
29 Correct 2 ms 700 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 2 ms 516 KB Output is correct
7 Correct 2 ms 516 KB Output is correct
8 Correct 2 ms 516 KB Output is correct
9 Correct 2 ms 516 KB Output is correct
10 Correct 2 ms 516 KB Output is correct
11 Correct 2 ms 516 KB Output is correct
12 Correct 2 ms 516 KB Output is correct
13 Correct 2 ms 520 KB Output is correct
14 Correct 2 ms 648 KB Output is correct
15 Correct 3 ms 648 KB Output is correct
16 Correct 2 ms 648 KB Output is correct
17 Correct 2 ms 648 KB Output is correct
18 Correct 2 ms 648 KB Output is correct
19 Correct 2 ms 648 KB Output is correct
20 Correct 2 ms 648 KB Output is correct
21 Correct 2 ms 648 KB Output is correct
22 Correct 2 ms 648 KB Output is correct
23 Correct 2 ms 648 KB Output is correct
24 Correct 2 ms 648 KB Output is correct
25 Correct 2 ms 648 KB Output is correct
26 Correct 2 ms 648 KB Output is correct
27 Correct 2 ms 700 KB Output is correct
28 Correct 2 ms 700 KB Output is correct
29 Correct 2 ms 700 KB Output is correct
30 Correct 198 ms 19416 KB Output is correct
31 Correct 175 ms 26032 KB Output is correct
32 Correct 142 ms 28820 KB Output is correct
33 Correct 180 ms 35616 KB Output is correct
34 Correct 162 ms 42240 KB Output is correct
35 Correct 158 ms 48916 KB Output is correct
36 Correct 160 ms 55716 KB Output is correct
37 Correct 161 ms 61244 KB Output is correct
38 Correct 156 ms 61256 KB Output is correct
39 Correct 155 ms 61256 KB Output is correct
40 Correct 163 ms 64368 KB Output is correct
41 Correct 203 ms 73024 KB Output is correct
42 Correct 170 ms 79180 KB Output is correct
43 Correct 165 ms 88164 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 88164 KB Output is correct
2 Correct 2 ms 88164 KB Output is correct
3 Correct 2 ms 88164 KB Output is correct
4 Correct 2 ms 88164 KB Output is correct
5 Correct 2 ms 88164 KB Output is correct
6 Correct 2 ms 88164 KB Output is correct
7 Correct 2 ms 88164 KB Output is correct
8 Correct 2 ms 88164 KB Output is correct
9 Correct 2 ms 88164 KB Output is correct
10 Correct 2 ms 88164 KB Output is correct
11 Correct 2 ms 88164 KB Output is correct
12 Correct 2 ms 88164 KB Output is correct
13 Correct 2 ms 88164 KB Output is correct
14 Correct 2 ms 88164 KB Output is correct
15 Correct 2 ms 88164 KB Output is correct
16 Correct 2 ms 88164 KB Output is correct
17 Correct 2 ms 88164 KB Output is correct
18 Correct 3 ms 88164 KB Output is correct
19 Correct 3 ms 88164 KB Output is correct
20 Correct 3 ms 88164 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 2 ms 516 KB Output is correct
7 Correct 2 ms 516 KB Output is correct
8 Correct 2 ms 516 KB Output is correct
9 Correct 2 ms 516 KB Output is correct
10 Correct 2 ms 516 KB Output is correct
11 Correct 2 ms 516 KB Output is correct
12 Correct 2 ms 516 KB Output is correct
13 Correct 2 ms 520 KB Output is correct
14 Correct 2 ms 648 KB Output is correct
15 Correct 3 ms 648 KB Output is correct
16 Correct 2 ms 648 KB Output is correct
17 Correct 2 ms 648 KB Output is correct
18 Correct 2 ms 648 KB Output is correct
19 Correct 2 ms 648 KB Output is correct
20 Correct 2 ms 648 KB Output is correct
21 Correct 2 ms 648 KB Output is correct
22 Correct 2 ms 648 KB Output is correct
23 Correct 2 ms 648 KB Output is correct
24 Correct 2 ms 648 KB Output is correct
25 Correct 2 ms 648 KB Output is correct
26 Correct 2 ms 648 KB Output is correct
27 Correct 2 ms 700 KB Output is correct
28 Correct 2 ms 700 KB Output is correct
29 Correct 2 ms 700 KB Output is correct
30 Correct 198 ms 19416 KB Output is correct
31 Correct 175 ms 26032 KB Output is correct
32 Correct 142 ms 28820 KB Output is correct
33 Correct 180 ms 35616 KB Output is correct
34 Correct 162 ms 42240 KB Output is correct
35 Correct 158 ms 48916 KB Output is correct
36 Correct 160 ms 55716 KB Output is correct
37 Correct 161 ms 61244 KB Output is correct
38 Correct 156 ms 61256 KB Output is correct
39 Correct 155 ms 61256 KB Output is correct
40 Correct 163 ms 64368 KB Output is correct
41 Correct 203 ms 73024 KB Output is correct
42 Correct 170 ms 79180 KB Output is correct
43 Correct 165 ms 88164 KB Output is correct
44 Correct 2 ms 88164 KB Output is correct
45 Correct 2 ms 88164 KB Output is correct
46 Correct 2 ms 88164 KB Output is correct
47 Correct 2 ms 88164 KB Output is correct
48 Correct 2 ms 88164 KB Output is correct
49 Correct 2 ms 88164 KB Output is correct
50 Correct 2 ms 88164 KB Output is correct
51 Correct 2 ms 88164 KB Output is correct
52 Correct 2 ms 88164 KB Output is correct
53 Correct 2 ms 88164 KB Output is correct
54 Correct 2 ms 88164 KB Output is correct
55 Correct 2 ms 88164 KB Output is correct
56 Correct 2 ms 88164 KB Output is correct
57 Correct 2 ms 88164 KB Output is correct
58 Correct 2 ms 88164 KB Output is correct
59 Correct 2 ms 88164 KB Output is correct
60 Correct 2 ms 88164 KB Output is correct
61 Correct 3 ms 88164 KB Output is correct
62 Correct 3 ms 88164 KB Output is correct
63 Correct 3 ms 88164 KB Output is correct
64 Correct 321 ms 95268 KB Output is correct
65 Correct 290 ms 101820 KB Output is correct
66 Correct 295 ms 108512 KB Output is correct
67 Correct 330 ms 114560 KB Output is correct
68 Correct 28 ms 114560 KB Output is correct
69 Correct 28 ms 114560 KB Output is correct
70 Correct 28 ms 114560 KB Output is correct
71 Correct 27 ms 114560 KB Output is correct
72 Correct 26 ms 114560 KB Output is correct
73 Correct 30 ms 114560 KB Output is correct
74 Correct 288 ms 121620 KB Output is correct
75 Correct 274 ms 128368 KB Output is correct
76 Correct 262 ms 139068 KB Output is correct
77 Correct 282 ms 145772 KB Output is correct
78 Correct 245 ms 149928 KB Output is correct
79 Correct 303 ms 156708 KB Output is correct
80 Correct 202 ms 162084 KB Output is correct
81 Correct 274 ms 170220 KB Output is correct
82 Correct 244 ms 176952 KB Output is correct
83 Correct 263 ms 182312 KB Output is correct
84 Correct 302 ms 189056 KB Output is correct
85 Correct 270 ms 195804 KB Output is correct
86 Correct 254 ms 202544 KB Output is correct
87 Correct 279 ms 209288 KB Output is correct
88 Correct 289 ms 216040 KB Output is correct
89 Correct 296 ms 222924 KB Output is correct
90 Correct 304 ms 229524 KB Output is correct
91 Correct 301 ms 236284 KB Output is correct
92 Correct 307 ms 243252 KB Output is correct