oj.uz

Submission #482924

# Submission time Handle Problem Language Result Execution time Memory
482924 2021-10-26T19:15:41 Z Blistering_Barnacles Secret (JOI14_secret) C++11
100 / 100
 438 ms 17412 KB 
#include "secret.h"
//apig's property
//Happiness can be found, even in the darkest of times, if one only remembers to turn on the light
//El Pueblo Unido Jamas Sera Vencido
//Do or do not... there is no try
//Billions of bilious blue blistering barnacles in a thundering typhoon!
#include<bits/stdc++.h>
#define fast ios_base::sync_with_stdio(0) , cin.tie(0) , cout.tie(0)
#define F first
#define S second
#define pb push_back
#define vll vector< ll >
#define vi vector< int >
#define pll pair< ll , ll >
#define pi pair< int , int >
#define all(s) s.begin() , s.end()
#define sz(s) s.size()
#define str string
#define md ((s + e) / 2)
//#define mid ((l + r) / 2)
#define msdp(dp) memset(dp , -1 , sizeof dp)
#define mscl(dp) memset(dp , 0 , sizeof dp)
#define C continue
#define R return
#define B break
#define lx node * 2
#define rx node * 2 + 1
#define br(o) o ; break
#define co(o) o ; continue
using namespace std;
typedef int ll;
ll q, dp[300005][20] , a[555555] , mask[555555], k, l, m, n, o, p;
map < ll , ll > mp;
vll adj[555555];
const ll mod = 1e9+7;
str s;
void div(ll l , ll r , ll lev){
    if(l == r)R ;
    ll mid = (r + l) / 2 ;
    dp[mid][lev] = a[mid] ;
    for(ll i = mid - 1 ; i >= l ; i--){
        dp[i][lev] = Secret(a[i] , dp[i + 1][lev]) ;
    }
    dp[mid + 1][lev] = a[mid + 1] ;
    for(ll i = mid + 2 ; i <= r ; i++){
        dp[i][lev] = Secret(dp[i - 1][lev] , a[i]) ;
    }
    for(ll i = mid + 1 ; i <= r ; i++)mask[i] ^= (1 << lev) ;
    div(l , mid , lev + 1) , div(mid + 1 , r , lev + 1) ;
}
void Init(int N, int A[]) {
    n = N ;
    for(ll i = 0 ; i < n ; i++){
        a[i] = A[i] ;
    }
    div(0 , n - 1 , 0) ;
}

int Query(int l, int r) {
    if(l == r)R a[r] ;
    ll bits = __builtin_ctz(mask[l] ^ mask[r]) ;
    R Secret(dp[l][bits] , dp[r][bits]) ;
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 15408 KB Output is correct - number of calls to Secret by Init = 3578, maximum number of calls to Secret by Query = 1
2 Correct 125 ms 15428 KB Output is correct - number of calls to Secret by Init = 3586, maximum number of calls to Secret by Query = 1
3 Correct 130 ms 15400 KB Output is correct - number of calls to Secret by Init = 3595, maximum number of calls to Secret by Query = 1
4 Correct 425 ms 17344 KB Output is correct - number of calls to Secret by Init = 7969, maximum number of calls to Secret by Query = 1
5 Correct 433 ms 17396 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
6 Correct 429 ms 17316 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
7 Correct 437 ms 17352 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
8 Correct 427 ms 17412 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
9 Correct 438 ms 17404 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
10 Correct 427 ms 17412 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1