Submission #1053626

#	Time	Username	Problem	Language	Result	Execution time	Memory
1053626		phong	Secret (JOI14_secret)	C++17	30 / 100	307 ms	4532 KiB

secret

//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma")
//#pragma GCC optimize("unroll-loops")
//#include<bits/stdc++.h>
#include "secret.h"

#define ll long long
const int nmax = 1000 + 5;

using namespace std;

int n, a[nmax];
int tree[nmax << 2];

void build(int id, int l, int r){
    if(l == r){
        tree[id] = a[l];
        return;
    }
    int mid = r + l >> 1;
    build(id << 1, l, mid);
    build(id << 1| 1, mid + 1, r);
    tree[id] = Secret(tree[id << 1], tree[id << 1 | 1]);
}
int get(int id, int l, int r, int u, int v){
    if(l >= u && r <= v) return tree[id];
    int mid = r + l >> 1;
    if(mid< u) return get(id << 1 | 1, mid + 1, r, u, v);
    if(mid + 1 > v) return get(id << 1, l, mid, u, v);
    return Secret(get(id << 1, l, mid, u, v), get(id << 1 | 1, mid + 1, r, u, v));
}
void Init(int N, int A[]){
    n = N;
    for(int i = 0; i < n; ++i) a[i] = A[i];
    build(1, 0, n - 1);

}
int Query(int l, int r){
    return get(1, 0, n - 1, l, r);
}

Compilation message (stderr)

secret.cpp: In function 'void build(int, int, int)':
secret.cpp:20:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   20 |     int mid = r + l >> 1;
      |               ~~^~~
secret.cpp: In function 'int get(int, int, int, int, int)':
secret.cpp:27:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   27 |     int mid = r + l >> 1;
      |               ~~^~~

• Subtask 1: 30 / 100