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Submission #660113

# Submission time Handle Problem Language Result Execution time Memory
660113 2022-11-20T11:27:09 Z ymm The Collection Game (BOI21_swaps) C++17
0 / 100
 2 ms 284 KB 
#include "swaps.h"
#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (ll)(r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (ll)(l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;

const int LG = 9;
const int N = 1<<LG;
vector<int> ord;
vector<pii> sched;
int n;

vector<int> cmp()
{
	int cnt = 0;
	for (auto [i, j] : sched) {
		int x = ord[i];
		int y = ord[j];
		if (x > n || y > n)
			continue;
		schedule(x, y);
		++cnt;
	}
	vector<int> res = cnt? visit(): vector<int>(), ans;
	reverse(res.begin(), res.end());
	for (auto [i, j] : sched) {
		int x = ord[i];
		int y = ord[j];
		if (x > n || y > n) {
			ans.push_back(x < y);
		} else {
			ans.push_back(res.back());
			res.pop_back();
		}
	}
	sched.clear();
	return ans;
}

void Do(int dis)
{
	assert(N%dis == 0);
	Loop (i,0,N) {
		if ((i/dis)%2 == 0)
			sched.push_back({i, i+dis});
	}
	auto res = cmp();
	reverse(res.begin(), res.end());
	Loop (i,0,N) {
		if ((i/dis)%2 == 0) {
			int x = res.back();
			res.pop_back();
			if (!x)
				swap(ord[i], ord[i+dis]);
		}
	}
}

void solve(int _n, int v)
{
	n = _n;
	ord.resize(N);
	iota(ord.begin(), ord.end(), 1);
	LoopR (mx,0,LG) LoopR (i,0,mx+1) {
		Do(1<<i);
	}
	ord.resize(n);
	answer(ord);
}

Subtask #1
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 208 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 2.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 208 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 284 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 284 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #11
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 208 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #12
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 208 KB Not correct
2 Halted 0 ms 0 KB -