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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#488790#8819. CNOI KnowledgeczcWA 1ms3600kbC++14958b2024-07-24 15:19:432024-07-24 15:19:44

Judging History

你现在查看的是最新测评结果

  • [2024-07-24 15:19:44]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3600kb
  • [2024-07-24 15:19:43]
  • 提交

answer

#include<bits/stdc++.h>
#define ull unsigned long long
const ull p=131;
using namespace std;
int n;
inline int ask(int l,int r){
	cout<<"? "<<l<<" "<<r<<endl;
	int x; cin>>x;
	return x;
}
unordered_map<ull,int> mp;
const int maxn=1e3+5;
int s[maxn],cnt[maxn],tot;
ull h[maxn],pw[maxn];
inline int get(int l,int r){
	int ret=0;
	for(int i=l;i<=r;i++) ret+=cnt[i];
	return ret;
}
int main(){
	cin>>n;
	pw[0]=1;
	for(int i=1;i<=n;i++) pw[i]=pw[i-1]*p;
	for(int i=1;i<=n;i++){
		if(i==1 || get(1,i-1)+i==ask(1,i)){
			s[i]=++tot;
		}
		else{
			int l=2,r=i-1;
			while(l<r){
				int mid=(l+r)>>1;
				if(get(mid,i-1)+(i-mid+1)==ask(mid,i)) r=mid;
				else l=mid+1;
			}
			s[i]=s[l-1];
		}
		h[i]=h[i-1]*p+(ull)s[i];
		for(int j=1;j<=i;j++){
			if(!mp[h[i]-h[j-1]*pw[i-j+1]]){
				mp[h[i]-h[j-1]*pw[i-j+1]]=1;
				cnt[j]++;
			}
		}
	}
	cout<<"! ";
	for(int i=1;i<=n;i++) cout<<s[i]<<" ";
	cout<<endl;
	return 0;
}

Details

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Test #1:

score: 0
Wrong Answer
time: 1ms
memory: 3600kb

input:

12
3
6
10
15
21
27
10
15
20
34
14
20
26
43
52
19
34
42
62
19
8
13
72
25
9
6

output:

? 1 2
? 1 3
? 1 4
? 1 5
? 1 6
? 1 7
? 4 7
? 3 7
? 2 7
? 1 8
? 4 8
? 3 8
? 2 8
? 1 9
? 1 10
? 5 10
? 3 10
? 2 10
? 1 11
? 6 11
? 8 11
? 7 11
? 1 12
? 6 12
? 9 12
? 10 12
! 1 2 3 4 5 6 2 2 7 2 2 2 

result:

wrong answer Wrong Answer.