Submission #565768

#	Time	Username	Problem	Language	Result	Execution time	Memory
565768		MohammadAghil	Secret (JOI14_secret)	C++14	100 / 100	459 ms	8448 KiB

secret

      #include <bits/stdc++.h>
#include "secret.h"
//   #pragma GCC optimize ("Ofast,unroll-loops")
// #pragma GCC target ("avx2")
    using namespace std;
  typedef long long ll;
   typedef pair<int, int> pp;
    #define er(args ...) cerr << __LINE__ << ": ", err(new istringstream(string(#args)), args), cerr << endl
      #define per(i,r,l) for(int i = (r); i >= (l); i--)
        #define rep(i,l,r) for(int i = (l); i < (r); i++)
           #define all(x) x.begin(), x.end()
              #define sz(x) (int)(x).size()
                  #define pb push_back
                      #define ss second
                           #define ff first
                                   void err(istringstream *iss){}template<typename T,typename ...Args> void err(istringstream *iss,const T &_val, const Args&...args){string _name;*iss>>_name;if(_name.back()==',')_name.pop_back();cerr<<_name<<" = "<<_val<<", ",err(iss,args...);}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const ll mod = 1e9 + 7, maxn = 1e3 + 2, sq = 710, lg = 11, inf = ll(1e9) + 5;
ll pw(ll a,ll b,ll md=mod){if(!b)return 1;ll k=pw(a,b>>1ll);return k*k%md*(b&1ll?a:1)%md;}
 
int vl[maxn][maxn], t[maxn];
 
int Query(int L, int R){ L++, R++;
     pp mx = {0, 0};
     rep(i,L,R+1) mx = max(mx, {t[i], i});
     int mid = mx.ss;
     if(mid == R) return vl[mid][L];
     return Secret(vl[mid][L], vl[mid][R]);
}

void Init(int N, int A[]){
     rep(i,1,N+1) t[i] = __builtin_ctz(i);
     rep(i,1,N+1){
          vl[i][i] = A[i-1];
          per(j,i-1,1){
               if(t[j] > t[i]) break;
               vl[i][j] = Secret(A[j-1], vl[i][j+1]);
          }
          vl[i][i+1] = A[i];
          rep(j,i+2,N+1){
               if(t[j] > t[i]) break;
               vl[i][j] = Secret(vl[i][j-1], A[j-1]);
          }
     }
}

• Subtask 1: 100 / 100