Submission #74198

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
74198	2018-08-30T12:23:56 Z	nvmdava	Ancient Books (IOI17_books)	C++17	12 / 100	2 ms	788 KB

books

#include "books.h"
#include <bits/stdc++.h>
using namespace std;
int r = 0;
vector<int> p;
bool in[1000001];
void go(int v){
	if(in[v] == 1){
		return;
	}
	in[v] = 1;
	r = max(r, v);
	go(p[v]);
}

long long minimum_walk(vector<int> p, int s) {
	::p = p;
	int q = 0;
	long long ans = 0;
	for(int i = 0; i < p.size(); i++){
		ans += (long long)abs(i - p[i]);
		if(in[i] || p[i] == i) continue;
		if(r < i){
			q = i;
		}
		go(i);
	}
	
	ans += (long long) q * 2;
	return ans;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:20:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < p.size(); i++){
                 ~~^~~~~~~~~~

Subtask #1

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	508 KB	Output is correct
3	Correct	2 ms	592 KB	Output is correct
4	Correct	2 ms	596 KB	Output is correct
5	Correct	2 ms	596 KB	Output is correct
6	Correct	2 ms	596 KB	Output is correct
7	Correct	2 ms	596 KB	Output is correct
8	Correct	2 ms	684 KB	Output is correct
9	Correct	2 ms	716 KB	Output is correct
10	Correct	2 ms	716 KB	Output is correct
11	Correct	2 ms	716 KB	Output is correct
12	Correct	2 ms	716 KB	Output is correct
13	Correct	2 ms	716 KB	Output is correct
14	Correct	2 ms	716 KB	Output is correct
15	Correct	2 ms	716 KB	Output is correct
16	Correct	2 ms	788 KB	Output is correct
17	Correct	2 ms	788 KB	Output is correct
18	Correct	2 ms	788 KB	Output is correct

Subtask #2

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	508 KB	Output is correct
3	Correct	2 ms	592 KB	Output is correct
4	Correct	2 ms	596 KB	Output is correct
5	Correct	2 ms	596 KB	Output is correct
6	Correct	2 ms	596 KB	Output is correct
7	Correct	2 ms	596 KB	Output is correct
8	Correct	2 ms	684 KB	Output is correct
9	Correct	2 ms	716 KB	Output is correct
10	Correct	2 ms	716 KB	Output is correct
11	Correct	2 ms	716 KB	Output is correct
12	Correct	2 ms	716 KB	Output is correct
13	Correct	2 ms	716 KB	Output is correct
14	Correct	2 ms	716 KB	Output is correct
15	Correct	2 ms	716 KB	Output is correct
16	Correct	2 ms	788 KB	Output is correct
17	Correct	2 ms	788 KB	Output is correct
18	Correct	2 ms	788 KB	Output is correct
19	Correct	2 ms	788 KB	Output is correct
20	Correct	2 ms	788 KB	Output is correct
21	Correct	2 ms	788 KB	Output is correct
22	Incorrect	2 ms	788 KB	3rd lines differ - on the 1st token, expected: '2082', found: '2782'
23	Halted	0 ms	0 KB	-

Subtask #3

0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	508 KB	Output is correct
3	Correct	2 ms	592 KB	Output is correct
4	Correct	2 ms	596 KB	Output is correct
5	Correct	2 ms	596 KB	Output is correct
6	Correct	2 ms	596 KB	Output is correct
7	Correct	2 ms	596 KB	Output is correct
8	Correct	2 ms	684 KB	Output is correct
9	Correct	2 ms	716 KB	Output is correct
10	Correct	2 ms	716 KB	Output is correct
11	Correct	2 ms	716 KB	Output is correct
12	Correct	2 ms	716 KB	Output is correct
13	Correct	2 ms	716 KB	Output is correct
14	Correct	2 ms	716 KB	Output is correct
15	Correct	2 ms	716 KB	Output is correct
16	Correct	2 ms	788 KB	Output is correct
17	Correct	2 ms	788 KB	Output is correct
18	Correct	2 ms	788 KB	Output is correct
19	Correct	2 ms	788 KB	Output is correct
20	Correct	2 ms	788 KB	Output is correct
21	Correct	2 ms	788 KB	Output is correct
22	Incorrect	2 ms	788 KB	3rd lines differ - on the 1st token, expected: '2082', found: '2782'
23	Halted	0 ms	0 KB	-

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	2 ms	788 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	2 ms	376 KB	Output is correct
2	Correct	2 ms	508 KB	Output is correct
3	Correct	2 ms	592 KB	Output is correct
4	Correct	2 ms	596 KB	Output is correct
5	Correct	2 ms	596 KB	Output is correct
6	Correct	2 ms	596 KB	Output is correct
7	Correct	2 ms	596 KB	Output is correct
8	Correct	2 ms	684 KB	Output is correct
9	Correct	2 ms	716 KB	Output is correct
10	Correct	2 ms	716 KB	Output is correct
11	Correct	2 ms	716 KB	Output is correct
12	Correct	2 ms	716 KB	Output is correct
13	Correct	2 ms	716 KB	Output is correct
14	Correct	2 ms	716 KB	Output is correct
15	Correct	2 ms	716 KB	Output is correct
16	Correct	2 ms	788 KB	Output is correct
17	Correct	2 ms	788 KB	Output is correct
18	Correct	2 ms	788 KB	Output is correct
19	Correct	2 ms	788 KB	Output is correct
20	Correct	2 ms	788 KB	Output is correct
21	Correct	2 ms	788 KB	Output is correct
22	Incorrect	2 ms	788 KB	3rd lines differ - on the 1st token, expected: '2082', found: '2782'
23	Halted	0 ms	0 KB	-