CSES - Datatähti 2017 alku - Results
Submission details
Task:Järjestys
Sender:OulaK
Submission time:2016-10-04 11:54:57 +0300
Language:C++
Status:READY
Result:56
Feedback
groupverdictscore
#1ACCEPTED19
#2ACCEPTED37
#30
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1details
#2ACCEPTED0.06 s2details
#3--3details

Code

#include <bits/stdc++.h>
using namespace std;

int main() {

	int n;
	cin >> n;
	
	int x[n];
	vector<int> moves;
	for(int i = 0; i < n; i++)
		cin >> x[i];

	for(int i = n - 1; i >= 0; i--) {
		for(int ii = i; ii >= 0; ii--) {
			if(ii == i && x[ii] == i + 1) break;
			if(x[ii] == i + 1) {
				reverse(x, x + ii + 1);
				reverse(x, x + i + 1);

				moves.push_back(ii + 1);
				moves.push_back(i + 1);
			}
		}
	}

	cout << moves.size() << '\n';
	for(int i : moves)
		cout << i << " ";
	cout << '\n';

	return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
10
9 3 4 7 6 5 10 2 8 1

correct output
32
10 10 9 10 9 8 7 9 4 2 1 4 5 2...

user output
12
7 10 4 9 7 8 4 7 3 4 1 2 

Test 2

Group: 2

Verdict: ACCEPTED

input
1000
650 716 982 41 133 1000 876 92...

correct output
3984
207 207 206 207 128 127 126 12...

user output
1984
6 1000 904 999 964 998 333 997...

Test 3

Group: 3

Verdict:

input
100000
94703 47808 62366 31885 7091 8...

correct output
399956
98676 98676 98675 98676 62994 ...

user output
(empty)