Submission #276055

# Submission time Handle Problem Language Result Execution time Memory
276055 2020-08-20T10:21:23 Z PKhing Zagonetka (COI18_zagonetka) C++14
9 / 100
90 ms 384 KB
#include<bits/stdc++.h>
#define FOR(i,a) for(int i=0;i<a;i++)
#define FOR1(i,a) for(int i=1;i<=a;i++)
#define db(a) printf("<%d> ",a)
#define f first
#define s second
#define all(x) x.begin(),x.end()
#define mp make_pair
#define pb emplace_back
#define p emplace
#define ii pair<int,int>
#define ll long long
#define rf() freopen("_working/input.in","r",stdin)
#define pf() freopen("_working/output.out","w+",stdout)
using namespace std;
const int INF=1e9;
int tab[105];
int x[105];
int visit[105];
int edge[105][105];
vector<int> e[105];
int deg[105];
int n;
int query(){
    FOR(i,n){
        x[tab[i]-1]=i+1;
    }
    printf("query ");
    for(int i=0;i<n;i++){
        printf("%d ",x[i]);
    }
    cout<<endl;
    int x;
    cin>>x;
    return !x;
}
void find(int i){
    visit[tab[i]]=1;
    while(i>0&&edge[tab[i]][tab[i-1]]!=1){
        swap(tab[i],tab[i-1]);
         if(edge[tab[i-1]][tab[i]]==-1){
             i--;
             continue;
         }
        if(query()){
            swap(tab[i],tab[i-1]);
            edge[tab[i]][tab[i-1]]=1;
            find(i-1);
            continue;
        }
        i--;
    }
}
int main(){
    cin>>n;  
    FOR(i,n){
        cin>>x[i];
        tab[x[i]-1]=i+1;
    }   
    FOR(i,n){
        for(int j=i-1;j>=0;j--)edge[tab[j]][tab[i]]=-1;
    }
    while(visit[tab[n-1]]!=1){
        find(n-1);
    }
    printf("end");
    cout<<endl;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            if(edge[i][j]==1){
               //printf("<%d,%d>\n",i,j);
                e[j].pb(i);
            }
        }
    }


    priority_queue<int,vector<int>,greater<int>> q1;
    FOR1(i,n){
        for(auto j:e[i])deg[j]++;
    }
    int cnt=1;
    FOR1(i,n)if(deg[i]==0)q1.p(i);
    while(!q1.empty()){
        tab[q1.top()]=cnt++;
        int u = q1.top();
        q1.pop();
        for(auto v:e[u]){
            deg[v]--;
            if(deg[v]==0){q1.p(v);}
        }
    }
    FOR1(i,n)printf("%d ",tab[i]);
cout<<endl;
cnt = 1;
    FOR1(i,n)deg[i]=0;
    priority_queue<int> q;
    FOR1(i,n){
        for(auto j:e[i])deg[j]++;
    }
    FOR1(i,n)if(deg[i]==0)q.p(i);
    while(!q.empty()){
        tab[q.top()]=cnt++;
        int u = q.top();
        q.pop();
        for(auto v:e[u]){
            deg[v]--;
            if(deg[v]==0){q.p(v);}
        }
    }
    
    FOR1(i,n)printf("%d ",tab[i]);
    cout<<endl;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 15 ms 384 KB Output is correct
2 Incorrect 24 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 90 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -