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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#250928#6303. InversionDepletedPrism#RE 1ms3544kbC++172.4kb2023-11-13 21:28:022023-11-13 21:28:03

Judging History

你现在查看的是最新测评结果

  • [2023-11-13 21:28:03]
  • 评测
  • 测评结果:RE
  • 用时:1ms
  • 内存:3544kb
  • [2023-11-13 21:28:02]
  • 提交

answer

/*
* @Author: zxxzy
* @Date:   2023-06-26 23:15:27
*/
#include <iostream>
#include <algorithm>
#include <cstring>
#include <bitset>
#include <set>
#include <cmath>
#include <vector>
#include <map>
#include <cassert>
//#define int long long
#define space ' '
// #define endl '\n'
#define de(x) cout<<"** "<<x<<" **"<<endl;
#define N 2001
using namespace std;
using ll=long long;
const int mod=998244353;
const int INF=0x3f3f3f3f;
const double eps=1e-6;

int pos[N],tmp;
int vis[N][N];
int val[N][N];
int cnt=0;
int pr(int l,int r){
    if(l==r)return 0;
    if(!vis[l][r]){
        cnt++;
        assert(cnt<=40000);
        cout<<"? "<<l<<space<<r<<endl;
        cin>>tmp;
        vis[l][r]=1;
        val[l][r]=tmp;
        return tmp;
    }else{
        return val[l][r];
    }
}
bool ch(int mid,int pos){
    if(pos==mid+1){
        return pr(mid,pos);
    }
    return pr(mid,pos)^pr(mid+1,pos)^pr(mid+1,pos-1)^pr(mid,pos-1);
}
void merge(int l,int r){
    int mid=(l+r)>>1;
    int tmpl,tmpr;
    tmpl=l,tmpr=mid+1;
    vector<int> binl(mid-l+2),binr(r-mid-1+2),bin;
    for(int i=l;i<=mid;i++){
        binl[pos[i]]=i;
    }
    for(int i=mid+1;i<=r;i++){
        binr[pos[i]]=i;
    }
    while(tmpl<=mid&&tmpr<=r){
        if(ch(binl[tmpl-l+1],binr[tmpr-mid-1+1])){
            bin.push_back(binr[tmpr-mid-1+1]);
            tmpr++;
        }else{
            bin.push_back(binl[tmpl-l+1]);
            tmpl++;
        }
        // de(3)
    }
    while(tmpl<=mid){
        bin.push_back(binl[tmpl-l+1]);
        tmpl++;
        // de(4)
    }
    while(tmpr<=r){
        bin.push_back(binr[tmpr-mid]);
        tmpr++;
        // de(5)
    }
    for(int i=0;i<bin.size();i++){
        pos[bin[i]]=i+1;
    }
}
void build(int l,int r){
    if(l==r){
        pos[l]=1;
        return ;
    }
    int mid=(l+r)>>1;
    build(l,mid);
    build(mid+1,r);
    merge(l,r);
}
signed main(){
    #ifdef LOCAL
        freopen("D:\\code2023\\test\\input.txt", "r", stdin);
        freopen("D:\\code2023\\test\\output.txt", "w", stdout);
    #endif
    std::ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin>>n;
    if(n==1){
        cout<<"! 1"<<endl;
    }else{
        build(1,n);
        cout<<"! ";
        for(int i=1;i<=n;i++){
            cout<<pos[i]<<space;
        }
    }
    return 0;
}



Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3544kb

input:

3
0
0
1

output:

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

result:

ok OK, guesses=3

Test #2:

score: -100
Runtime Error

input:

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

output:

? 1 2
? 3 4
? 1 3
? 2 3
? 5 6
? 7 8
? 5 7
? 6 7
? 5 8
? 6 8
? 1 7
? 2 7
? 2 6
? 1 6
? 1 5
? 2 5
? 2 4
? 1 4
? 1 8
? 2 8
? 3 8
? 3 7
? 4 8
? 4 7
? 9 10
? 11 12
? 10 11
? 9 11
? 9 12
? 10 12
? 13 14
? 15 16
? 14 15
? 13 15
? 13 16
? 14 16
? 10 14
? 11 14
? 11 13
? 10 13
? 12 14
? 12 13
? 11 15
? 12 15...

result: