제출 #994343

#제출 시각아이디문제언어결과실행 시간메모리
994343biankAbracadabra (CEOI22_abracadabra)C++14
10 / 100
416 ms524292 KiB
#include <bits/stdc++.h> using namespace std; #define sz(x) int(x.size()) #define all(x) begin(x),end(x) #define forsn(i,s,n) for(int i=int(s);i<int(n);i++) #define forn(i,n) for(int i=0;i<int(n);i++) #define dforsn(i,s,n) for(int i=int(n)-1;i>=int(s);i--) #define dforn(i,n) for(int i=int(n)-1;i>=0;i--) #define dbg(x) cerr<<#x<<": "<<x<<endl #define pb push_back typedef vector<int> vi; int main(){ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n,q; cin>>n>>q; vector<vi> p(1,vi(n)); forn(i,n) cin>>p[0][i]; while(true){ int i=0,j=n/2; vi v(n); forn(k,n){ if(i<n/2&&(j>=n||p.back()[i]<p.back()[j])) v[k]=p.back()[i++]; else v[k]=p.back()[j++]; } if(v==p.back()) break; p.pb(v); } while(q--){ int t,i; cin>>t>>i; --i,t=min(t,sz(p)-1); cout<<p[t][i]<<'\n'; } return 0; }
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