답안 #789124

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
789124	2023-07-21T05:36:42 Z	ymm	Abracadabra (CEOI22_abracadabra)	C++17	10 / 100	600 ms	524288 KB

Main

#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
typedef long long ll;
using namespace std;

vector<int> shf(vector<int> vec)
{
	int n = vec.size();
	vector<int> ans;
	int p0 = 0, p1 = n/2;
	Loop (_,0,n) {
		if (p1 == n || (p0 < n/2 && vec[p0] < vec[p1]))
			ans.push_back(vec[p0++]);
		else
			ans.push_back(vec[p1++]);
	}
	return ans;
}

vector<vector<int>> vecs;

int main()
{
	cin.tie(0) -> sync_with_stdio(false);
	int n, q;
	cin >> n >> q;
	vector<int> vec(n);
	for (int &x : vec)
		cin >> x;
	vecs.push_back(vec);
	for (;;) {
		vec = shf(vec);
		if (vecs.back() == vec)
			break;
		vecs.push_back(vec);
	}
	while (q--) {
		int t, i;
		cin >> t >> i;
		--i;
		t = min<int>(t, vecs.size()-1);
		cout << vecs[t][i] << '\n';
	}
}

Subtask #1

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	178 ms	15792 KB	Output is correct
2	Correct	176 ms	12520 KB	Output is correct
3	Correct	207 ms	13180 KB	Output is correct
4	Correct	170 ms	10248 KB	Output is correct
5	Correct	181 ms	11956 KB	Output is correct
6	Correct	151 ms	10824 KB	Output is correct
7	Correct	174 ms	12272 KB	Output is correct
8	Correct	150 ms	10720 KB	Output is correct
9	Correct	151 ms	10444 KB	Output is correct
10	Correct	186 ms	10656 KB	Output is correct
11	Correct	150 ms	10652 KB	Output is correct
12	Correct	188 ms	9548 KB	Output is correct
13	Correct	152 ms	10260 KB	Output is correct
14	Correct	157 ms	11320 KB	Output is correct
15	Correct	156 ms	10564 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	149 ms	9728 KB	Output is correct
18	Correct	149 ms	9628 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct

Subtask #2

0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	600 ms	524288 KB	Execution killed with signal 9
2	Halted	0 ms	0 KB	-

Subtask #3

0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	461 ms	524288 KB	Execution killed with signal 9
2	Halted	0 ms	0 KB	-

Subtask #4

0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	178 ms	15792 KB	Output is correct
2	Correct	176 ms	12520 KB	Output is correct
3	Correct	207 ms	13180 KB	Output is correct
4	Correct	170 ms	10248 KB	Output is correct
5	Correct	181 ms	11956 KB	Output is correct
6	Correct	151 ms	10824 KB	Output is correct
7	Correct	174 ms	12272 KB	Output is correct
8	Correct	150 ms	10720 KB	Output is correct
9	Correct	151 ms	10444 KB	Output is correct
10	Correct	186 ms	10656 KB	Output is correct
11	Correct	150 ms	10652 KB	Output is correct
12	Correct	188 ms	9548 KB	Output is correct
13	Correct	152 ms	10260 KB	Output is correct
14	Correct	157 ms	11320 KB	Output is correct
15	Correct	156 ms	10564 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	149 ms	9728 KB	Output is correct
18	Correct	149 ms	9628 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Runtime error	600 ms	524288 KB	Execution killed with signal 9
22	Halted	0 ms	0 KB	-