Submission #73312

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
73312	2018-08-28T07:09:23 Z	Sa1378	Ancient Books (IOI17_books)	C++17	50 / 100	234 ms	16284 KB

books

#include "books.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define N ((int)1001*1000)

int n;
ll prt[N],ans;

ll minimum_walk(vector<int> p, int s)
{
	if(s)return 0;
	n=p.size();
	for(int i=0;i<n;i++)
	{
		prt[min(i,p[i])]++;
		prt[max(i,p[i])]--;
	}
	for(int i=0;i<n;i++)
	{
		if(i)prt[i]+=prt[i-1];
		ans+=prt[i];
	}
	if(!ans)return ans;
	int maxi;
	for(int i=n-1;i>=0;i--)
		if(prt[i])
		{
			maxi=i;
			break;
		}
	for(int i=0;i<=maxi;i++)
		if(!prt[i])
			ans+=2;
	return ans;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:25:6: warning: 'maxi' may be used uninitialized in this function [-Wmaybe-uninitialized]
  int maxi;
      ^~~~

Subtask #1

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	3 ms	356 KB	Output is correct
3	Correct	2 ms	432 KB	Output is correct
4	Correct	2 ms	432 KB	Output is correct
5	Correct	3 ms	432 KB	Output is correct
6	Correct	3 ms	508 KB	Output is correct
7	Correct	3 ms	508 KB	Output is correct
8	Correct	2 ms	508 KB	Output is correct
9	Correct	2 ms	540 KB	Output is correct
10	Correct	3 ms	540 KB	Output is correct
11	Correct	2 ms	612 KB	Output is correct
12	Correct	3 ms	612 KB	Output is correct
13	Correct	3 ms	612 KB	Output is correct
14	Correct	3 ms	612 KB	Output is correct
15	Correct	2 ms	612 KB	Output is correct
16	Correct	2 ms	612 KB	Output is correct
17	Correct	2 ms	612 KB	Output is correct
18	Correct	3 ms	612 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	3 ms	356 KB	Output is correct
3	Correct	2 ms	432 KB	Output is correct
4	Correct	2 ms	432 KB	Output is correct
5	Correct	3 ms	432 KB	Output is correct
6	Correct	3 ms	508 KB	Output is correct
7	Correct	3 ms	508 KB	Output is correct
8	Correct	2 ms	508 KB	Output is correct
9	Correct	2 ms	540 KB	Output is correct
10	Correct	3 ms	540 KB	Output is correct
11	Correct	2 ms	612 KB	Output is correct
12	Correct	3 ms	612 KB	Output is correct
13	Correct	3 ms	612 KB	Output is correct
14	Correct	3 ms	612 KB	Output is correct
15	Correct	2 ms	612 KB	Output is correct
16	Correct	2 ms	612 KB	Output is correct
17	Correct	2 ms	612 KB	Output is correct
18	Correct	3 ms	612 KB	Output is correct
19	Correct	2 ms	616 KB	Output is correct
20	Correct	2 ms	616 KB	Output is correct
21	Correct	3 ms	616 KB	Output is correct
22	Correct	3 ms	616 KB	Output is correct
23	Correct	2 ms	616 KB	Output is correct
24	Correct	2 ms	732 KB	Output is correct
25	Correct	2 ms	732 KB	Output is correct
26	Correct	3 ms	732 KB	Output is correct
27	Correct	2 ms	732 KB	Output is correct
28	Correct	3 ms	732 KB	Output is correct
29	Correct	2 ms	732 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	3 ms	356 KB	Output is correct
3	Correct	2 ms	432 KB	Output is correct
4	Correct	2 ms	432 KB	Output is correct
5	Correct	3 ms	432 KB	Output is correct
6	Correct	3 ms	508 KB	Output is correct
7	Correct	3 ms	508 KB	Output is correct
8	Correct	2 ms	508 KB	Output is correct
9	Correct	2 ms	540 KB	Output is correct
10	Correct	3 ms	540 KB	Output is correct
11	Correct	2 ms	612 KB	Output is correct
12	Correct	3 ms	612 KB	Output is correct
13	Correct	3 ms	612 KB	Output is correct
14	Correct	3 ms	612 KB	Output is correct
15	Correct	2 ms	612 KB	Output is correct
16	Correct	2 ms	612 KB	Output is correct
17	Correct	2 ms	612 KB	Output is correct
18	Correct	3 ms	612 KB	Output is correct
19	Correct	2 ms	616 KB	Output is correct
20	Correct	2 ms	616 KB	Output is correct
21	Correct	3 ms	616 KB	Output is correct
22	Correct	3 ms	616 KB	Output is correct
23	Correct	2 ms	616 KB	Output is correct
24	Correct	2 ms	732 KB	Output is correct
25	Correct	2 ms	732 KB	Output is correct
26	Correct	3 ms	732 KB	Output is correct
27	Correct	2 ms	732 KB	Output is correct
28	Correct	3 ms	732 KB	Output is correct
29	Correct	2 ms	732 KB	Output is correct
30	Correct	187 ms	16188 KB	Output is correct
31	Correct	198 ms	16264 KB	Output is correct
32	Correct	148 ms	16264 KB	Output is correct
33	Correct	234 ms	16264 KB	Output is correct
34	Correct	177 ms	16264 KB	Output is correct
35	Correct	163 ms	16264 KB	Output is correct
36	Correct	145 ms	16264 KB	Output is correct
37	Correct	173 ms	16264 KB	Output is correct
38	Correct	160 ms	16264 KB	Output is correct
39	Correct	180 ms	16264 KB	Output is correct
40	Correct	172 ms	16264 KB	Output is correct
41	Correct	192 ms	16264 KB	Output is correct
42	Correct	170 ms	16264 KB	Output is correct
43	Correct	155 ms	16284 KB	Output is correct

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	2 ms	16284 KB	3rd lines differ - on the 1st token, expected: '3304', found: '0'
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	3 ms	356 KB	Output is correct
3	Correct	2 ms	432 KB	Output is correct
4	Correct	2 ms	432 KB	Output is correct
5	Correct	3 ms	432 KB	Output is correct
6	Correct	3 ms	508 KB	Output is correct
7	Correct	3 ms	508 KB	Output is correct
8	Correct	2 ms	508 KB	Output is correct
9	Correct	2 ms	540 KB	Output is correct
10	Correct	3 ms	540 KB	Output is correct
11	Correct	2 ms	612 KB	Output is correct
12	Correct	3 ms	612 KB	Output is correct
13	Correct	3 ms	612 KB	Output is correct
14	Correct	3 ms	612 KB	Output is correct
15	Correct	2 ms	612 KB	Output is correct
16	Correct	2 ms	612 KB	Output is correct
17	Correct	2 ms	612 KB	Output is correct
18	Correct	3 ms	612 KB	Output is correct
19	Correct	2 ms	616 KB	Output is correct
20	Correct	2 ms	616 KB	Output is correct
21	Correct	3 ms	616 KB	Output is correct
22	Correct	3 ms	616 KB	Output is correct
23	Correct	2 ms	616 KB	Output is correct
24	Correct	2 ms	732 KB	Output is correct
25	Correct	2 ms	732 KB	Output is correct
26	Correct	3 ms	732 KB	Output is correct
27	Correct	2 ms	732 KB	Output is correct
28	Correct	3 ms	732 KB	Output is correct
29	Correct	2 ms	732 KB	Output is correct
30	Correct	187 ms	16188 KB	Output is correct
31	Correct	198 ms	16264 KB	Output is correct
32	Correct	148 ms	16264 KB	Output is correct
33	Correct	234 ms	16264 KB	Output is correct
34	Correct	177 ms	16264 KB	Output is correct
35	Correct	163 ms	16264 KB	Output is correct
36	Correct	145 ms	16264 KB	Output is correct
37	Correct	173 ms	16264 KB	Output is correct
38	Correct	160 ms	16264 KB	Output is correct
39	Correct	180 ms	16264 KB	Output is correct
40	Correct	172 ms	16264 KB	Output is correct
41	Correct	192 ms	16264 KB	Output is correct
42	Correct	170 ms	16264 KB	Output is correct
43	Correct	155 ms	16284 KB	Output is correct
44	Incorrect	2 ms	16284 KB	3rd lines differ - on the 1st token, expected: '3304', found: '0'
45	Halted	0 ms	0 KB	-