# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
582157 | 2022-06-23T12:57:49 Z | YaserFaisal | Library (JOI18_library) | C++14 | 0 ms | 0 KB |
#include <bits/stdc++.h> using namespace std; namespace { struct Judge { int N; int A[1002]; int pos[1002]; bool f[1002]; int query_c; bool answered; void init() { query_c=0; int ret=scanf("%d",&N); ret++; answered=false; for(int i=0;i<N;i++)ret=scanf("%d",&A[i]),pos[A[i]]=i; } int query(const vector<int>& M) { if(query_c==20000) { puts("Wrong Answer [3]"); exit(0); } if(int(M.size())!=N) { puts("Wrong Answer [1]"); exit(0); } bool all_zero=true; for(int i=0;i<N;i++) { if(M[i]!=0&&M[i]!=1) { puts("Wrong Answer [2]"); exit(0); } if(M[i]==1)all_zero=false; } if(all_zero) { puts("Wrong Answer [2]"); exit(0); } memset(f,0,sizeof(f)); for(int i=0;i<N;i++)if(M[i])f[pos[i+1]]=true; bool las=false; int r=0; for(int i=0;i<N;i++) { if(las==false&&f[i]==true)r++; las=f[i]; } query_c++; return r; } void answer(const vector<int>& res) { bool f1=true,f2=true; if(int(res.size())!=N) { puts("Wrong Answer [4]"); exit(0); } if(answered) { puts("Wrong Answer [7]"); exit(0); } answered=true; memset(f,0,sizeof(f)); for(int i=0;i<N;i++) { if(res[i]<=0||res[i]>N) { puts("Wrong Answer [5]"); exit(0); } if(f[res[i]]) { puts("Wrong Answer [6]"); exit(0); } f[res[i]]=true; } for(int i=0;i<N;i++) { f1&=A[i]==res[i]; f2&=A[i]==res[N-i-1]; } if(!f1&&!f2) { puts("Wrong Answer [8]"); exit(0); } } void end() { if(!answered)puts("Wrong Answer [7]"); else printf("Accepted : %d\n",query_c); } }judge; } int Query(const vector<int>& M) { return judge.query(M); } void Answer(const vector<int>& res) { judge.answer(res); } void Solve(int n) { if ( n == 1 ) { vector < int > x = {1} ; Answer(x) ; return ; } vector < int > ans , v(n,0) , cur ; for ( int i = 0 ; i < n ; i++ ) { int sum = 0 ; for ( int j = 0 ; j < n ; j++ ) { if ( i == j ) continue; cur = v ; cur[i] = cur[j] = 1 ; if ( Query(cur) == 1 ) sum++ ; } if ( sum == 1 ) { ans.push_back(i) ; break ; } } for ( int i = 1 ; i < n ; i++ ) { int m = ans.size() - 1 ; v[ans[m]] = 1 ; for ( int j = 0 ; j < n ; j++ ) { if ( v[j] == 1 ) continue; cur = v ; cur[j] = 1 ; if ( Query(cur) == 1 ) { ans.push_back(j) ; break ; } } } for ( int i = 0 ; i < n ; i++ ) ans[i]++ ; Answer(ans) ; } int main() { judge.init(); Solve(judge.N); judge.end(); }