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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#154466#6303. Inversionqzez#WA 57ms19700kbC++141.4kb2023-08-31 18:14:592023-08-31 18:15:00

Judging History

你现在查看的是最新测评结果

  • [2023-08-31 18:15:00]
  • 评测
  • 测评结果:WA
  • 用时:57ms
  • 内存:19700kb
  • [2023-08-31 18:14:59]
  • 提交

answer

#include<bits/stdc++.h>
#define Gc() getchar() 
#define Me(x,y) memset(x,y,sizeof(x))
#define Mc(x,y) memcpy(x,y,sizeof(x))
#define d(x,y) ((m)*(x-1)+(y))
#define R(n) (rnd()%(n)+1)
#define Pc(x) putchar(x)
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
using namespace std;using ll=long long;using db=double;using lb=long db;using ui=unsigned;using ull=unsigned long long;using pii=pair<int,int>;using LL=__int128;
const int N=2e3+5,M=N*40+5,K=(1<<25)+5,mod=998244353,Mod=mod-1;const db eps=1e-9;const ll INF=1e18+7;mt19937 rnd(time(0));
int n,A[N],f[N][N],B[N];
int calc(int x,int y){
	if(x>y) return 0;
	if(~f[x][y]) return f[x][y];
	cout<<"? "<<x<<' '<<y<<endl;
	cin>>f[x][y];return f[x][y];
}
int qry(int x,int y){return (calc(x,y)-calc(x+1,y)-calc(x,y-1)+calc(x+1,y-1)+2)&1;}
void insert(int x){
	int l=0,r=x,mid;
	while(l+1<r){
		mid=l+r>>1;
		if(qry(B[mid],x)) r=mid;else l=mid;
	}
	A[x]=l+1;
	for(int i=1;i<x;i++) if(A[i]>l) A[i]++;
	for(int i=1;i<=x;i++) B[A[i]]=i;
	for(int i=1;i<x;i++) f[i][x]=(f[i-1][x]+f[i][x-1]-f[i-1][x-1]+(A[i]>A[x])+2)&1;
}
void Solve(){
	int i,j;scanf("%d",&n);
	Me(f,-1);
	for(i=1;i<=n;i++) insert(i);
	cout<<"! ";
	for(i=1;i<=n;i++) cout<<A[i]<<' ';cout<<endl;
}
int main(){
	int t;
	// scanf("%d",&t);
	t=1;
	while(t--) Solve();
	cerr<<clock()*1.0/CLOCKS_PER_SEC<<'\n';
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 19700kb

input:

3
0
0
0
0
1

output:

? 1 2
? 2 2
? 1 1
? 1 3
? 2 3
! 2 3 1 

result:

ok OK, guesses=5

Test #2:

score: -100
Wrong Answer
time: 57ms
memory: 19688kb

input:

1993
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
0
0
1
1
0
0
1
0
1
1
1
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
1
1
1
1
0
0
0
1
1
0
0
0
1
0
1
1
0
0
0
0
0
0
1
0
0
0
0
1
0
0
1
1
0
0
1
0
1
1
1
1
0
1
1
1
1
0
0
0
1
0
0
0
0
0
0
1
1
0
0
0
1
0
0
1
0
0
1
1
0
0
0
0
0
0
0
1
1
1
1
0
0
1
1
1
0
1
1...

output:

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

result:

wrong answer Wa.