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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#250989#6303. InversionDepletedPrismWA 74ms43548kbC++172.4kb2023-11-13 23:24:382023-11-13 23:24:39

Judging History

你现在查看的是最新测评结果

  • [2023-11-13 23:24:39]
  • 评测
  • 测评结果:WA
  • 用时:74ms
  • 内存:43548kb
  • [2023-11-13 23:24:38]
  • 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],bin[N],tmp;
int dp[N][N];
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 poss){
    mid=bin[mid];
    if(poss==mid+1){
        return pr(mid,poss);
    }
    return pr(mid,poss)^pr(mid+1,poss)^dp[mid+1][poss-1]^dp[mid][poss-1];
}
int bnrsch(int l,int r,int poss){
    int mid;
    while(l+1<r){
        mid=(l+r)>>1;
        (ch(mid,poss)?r:l)=mid;
    }
    return ch(r,poss)?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{
        if(pr(1,2)){
            pos[1]=bin[1]=2;
            pos[2]=bin[2]=1;
            dp[1][2]=1;
        }else{
            pos[1]=bin[1]=1;
            pos[2]=bin[2]=2;
        }
        for(int i=3;i<=n;i++){
            int t=bnrsch(1,i-1,i);
            if(t==1&&ch(bin[1],i)){
                t--;
            }
            // de(t)
            for(int j=1;j<i;j++){
                if(pos[j]>t){
                    pos[j]++;
                }
            }
            pos[i]=t+1;
            int ans=0;
            for(int j=i-1;j>=1;j--){
                if(pos[j]>pos[i])ans++;
                dp[j][i]=dp[j][i-1]+ans;
            }
            for(int j=1;j<=i;j++){
                bin[pos[j]]=j;
            }
        }
        cout<<"! ";
        for(int i=1;i<=n;i++){
            cout<<pos[i]<<space;
        }
        cout<<endl;
    }
    return 0;
}



Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3668kb

input:

3
0
1
0

output:

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

result:

ok OK, guesses=3

Test #2:

score: -100
Wrong Answer
time: 74ms
memory: 43548kb

input:

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

output:

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

result:

wrong answer Wa.