Submission #223039

#	Time	Username	Problem	Language	Result	Execution time	Memory
223039		aggu_01000101	Secret (JOI14_secret)	C++14	6 / 100	903 ms	8364 KiB

secret

#include "secret.h"
#define mid(l, u) ((l+u)/2)
#define lchild(i) (i*2 + 1)
#define rchild(i) (i*2 + 2)
using namespace std;
int DP[1000][1000];
int segtree[4000];
int n;
int build(int l, int u, int i, int a[]){
    if(l==u) return DP[l][u] = segtree[i] = a[l];
    return DP[l][u] = segtree[i] = Secret(build(l, mid(l, u), lchild(i), a), build(mid(l, u)+1, u, rchild(i), a));
}
int query(int l, int u, int i, int ll, int uu){
    if(DP[ll][uu]>-1) return DP[ll][uu];
    if(l>=ll && u<=uu) return segtree[i];
    if(ll>mid(l, u)) return query(mid(l, u)+1, u, rchild(i), ll, uu);
    if(uu<=mid(l, u)) return query(l, mid(l, u), lchild(i), ll, uu);
    return DP[ll][uu] = Secret(query(l, mid(l, u), lchild(i), ll, mid(l, u)), query(mid(l, u)+1, u, rchild(i), mid(l, u)+1, uu));
}
void Init(int N, int A[]){
    n = N;
    for(int i = 0;i<n;i++){
        for(int j = 0;j<n;j++) DP[i][j] = -1;
    }
    build(0, n-1, 0, A);
    for(int i = 0;i<n;i++){
        for(int j = i;j<n;j++){
            query(0, n-1, 0, i, j);
        }
    }
}
int Query(int L, int R){
    return query(0, n-1, 0, L, R);
}

• Subtask 1: 6 / 100