Submission #916431

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
916431	2024-01-25 21:31:24	Dec0Dedd	Secret (JOI14_secret)	C++14	100 / 100	388 ms	8564 KiB

secret

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#include <bits/stdc++.h>
#include "secret.h"
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int N = 1e3+10;
int n, a[N], que[N][N];
void gen(int l, int r) {
    if (l == r) {
        que[l][l]=a[l];
        return;
    } int m=(l+r)/2;
    gen(l, m), gen(m+1, r);
    que[m+1][m+1]=a[m+1];
    for (int i=m+2; i<=r; ++i) que[m+1][i]=Secret(que[m+1][i-1], a[i]);
    que[m][m]=a[m];
    for (int i=m-1; i>=l; --i) que[i][m]=Secret(a[i], que[i+1][m]);
}
void Init(int _n, int ax[]) {
    n=_n;
    for (int i=1; i<=n; ++i) a[i]=ax[i-1];
    gen(1, n);
}
 
 
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• Subtask 1: 100 / 100