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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#488724#8819. CNOI KnowledgezyxawaTL 0ms0kbC++14685b2024-07-24 14:39:182024-07-24 14:39:19

Judging History

你现在查看的是最新测评结果

  • [2024-07-24 14:39:19]
  • 评测
  • 测评结果:TL
  • 用时:0ms
  • 内存:0kb
  • [2024-07-24 14:39:18]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
int n,x,s[1001],v[1001],a[1001];
unsigned long long val;
map <unsigned long long,int> lst;
int ask(int l,int r){
	printf("? %d %d\n",l,r);
	scanf("%d",&x);
	return x;
}
int main(){
	scanf("%d",&n);
	for(int i=2;i<=n;i++){
		memset(a,0,sizeof(a));
		int l=1,r=i;
		while(l<r){
			int mid=(l+r)/2;
			if(ask(mid,i)!=v[mid]+i-mid+1) l=mid+1;
			else r=mid;
		}
		s[i]=l>1?s[l-1]:i,val=0;
		for(int j=i;j>=1;j--) val=val*13131+s[j],a[lst[val]+1]++,a[j+1]--,lst[val]=j;
		for(int j=1;j<=i;j++) a[j]+=a[j-1];
		for(int j=1;j<=i;j++) v[j]+=a[j];
	}
	printf("! ");
	for(int i=1;i<=n;i++) printf("%d ",s[i]);
	return 0;
}

Details

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Test #1:

score: 0
Time Limit Exceeded

input:

12

output:


result: