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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#744203#9432. PermutationjiamengtongRE 0ms3860kbC++141.1kb2024-11-13 21:09:162024-11-13 21:09:17

Judging History

你现在查看的是最新测评结果

  • [2024-11-13 21:09:17]
  • 评测
  • 测评结果:RE
  • 用时:0ms
  • 内存:3860kb
  • [2024-11-13 21:09:16]
  • 提交

answer

#include<bits/stdc++.h>
#define M 1005
using namespace std;
int n, ans[M], a[M];
int ask(int l, int r, int x, int y)
{
	int mid = (l + r) >> 1;
	printf("0 ");
	for(int i = 1; i <= mid; i++) printf("%d ", x);
	for(int i = mid + 1; i <= n; i++) printf("%d ", y);
	puts("");
	fflush(stdout);
	int res;
	scanf("%d", &res);
	return res;
}
void solve(int l, int r, vector<int> v)
{
	if(l == r)
	{
		ans[l] = v[0];
		return;
	}
	random_shuffle(v.begin(), v.end());
	vector<int> L[2];
	int fl = 0, lst = 0;
	L[0].push_back(v[0]);
	for(int i = 1; i < v.size(); i++)
	{
		int w = ask(l, r, v[i - 1], v[i]);
		if(w != 1)
		{
			L[lst ^ 1].push_back(v[i]), lst ^= 1;
			if(!fl)
			{
				if(w == 0) fl = lst;
				else fl = lst ^ 1;
			}
		}
		else
		{
			L[lst].push_back(v[i]);
		}
	}
	int mid = (l + r) >> 1;
	solve(l, mid, L[fl]);
	solve(mid + 1, r, L[fl ^ 1]);
}
int main()
{
	scanf("%d", &n);
	vector<int> v;
	for(int i = 1; i <= n; i++) v.push_back(i);
	solve(1, n, v);
	printf("1 ");
	for(int i = 1; i <= n; i++) printf("%d ", ans[i]);
	puts("");
	fflush(stdout);
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3860kb

input:

5
0
1
1
2
1
2
2
2

output:

0 5 5 5 4 4 
0 4 4 4 2 2 
0 2 2 2 3 3 
0 3 3 3 1 1 
0 4 4 3 3 3 
0 3 3 2 2 2 
0 3 4 4 4 4 
0 1 1 1 1 5 
1 3 4 2 1 5 

result:

ok Accepted

Test #2:

score: -100
Runtime Error

input:

1000
1
2
1
1
1
0
2
0
1
2
0
2
1
0
1
1
2
1
0
1
1
1
1
2
0
2
1
0
2
0
2
1
1
1
1
0
2
1
1
0
2
1
0
2
1
0
2
1
0
1
2
0
2
0
2
1
1
0
2
1
0
2
1
0
2
1
0
1
1
2
0
2
1
1
1
1
1
1
1
0
2
0
1
1
1
1
1
1
2
0
2
0
2
0
2
0
2
0
1
2
0
2
1
1
1
0
2
1
0
1
1
2
0
1
1
2
1
1
0
2
0
2
1
0
1
2
0
2
0
2
1
1
0
2
0
2
1
0
2
1
0
2
0
2
0
1
2
0...

output:

0 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 111 11...

result: