Järjestys

input/code.cpp: In function 'int main()':
input/code.cpp:50:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (j = 0; j < moves.size() && i < c; j++) {
                               ^

#include <iostream>
#include <string>
#include <vector>
#include <sstream>
#include <cstdlib>

using namespace std;

int
atoi (string c)
{
	stringstream s;
	int i;
	s << c;
	s >> i;
	return i;
}

int
main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	string in;
	int c;
	vector<int> moves(0);
	
	getline (cin, in);
	c = atoi (in);
	int jarj[c+1];

	getline (cin, in);

	istringstream ssin(in);
	int inp, i, j;

	i = 1;
	while (ssin >> inp) {
		jarj[inp] = i;
		i++;
	}
	cout << 2*c << "\n";
	for (i = c; i > 0; i--) {
		if (jarj[i] == i) {
//			cout << "1 1 ";
		} else {
			int cur;
			cur = jarj[i];
		//	cout << moves.size() << endl;
			for (j = 0; j < moves.size() && i < c; j++) {
				if (moves[j] < cur) {
					continue;
				} else if (moves[j] == cur) {
					cur = 1;
				} else {
					if (moves[j] % 2 == 0) {
						int mid = 1+ ((moves[j]-1)/2);
						cur = mid + (mid-cur);
					} else {
						if (cur < moves[j] / 2) {
							cur = ((moves[j]/2)+1)+abs(cur-(moves[j]/2));
						} else {
							cur = (moves[j]/2)-abs(cur-((moves[j]/2)+1));						
						}
					}
				}			
			}
			moves.push_back(cur);
		//	cout << cur << " " << i<<  endl;
			if (cur == 1) {
				cout << cur << " " << 1 << " ";
			} else if (cur == i) {
				cout << "1 1 ";
			} else {
				cout << cur << " " << i << " ";
				moves.push_back(i);
			}
		}
	}
	cout << "\n";
	return 0;
}

Test 1

Group: 1

Verdict: WRONG ANSWER

Test 2

Group: 2

Verdict: WRONG ANSWER

Test 3

Group: 3

Verdict: TIME LIMIT EXCEEDED