oj.uz

Submission #13385

# Submission time Handle Problem Language Result Execution time Memory
13385 2015-02-15T05:46:26 Z gs14004 Secret (JOI14_secret) C++14
100 / 100
 623 ms 5148 KB 
#include "secret.h"
#include <algorithm>
using namespace std;

int t[10][1005];

void make(int depth, int A[], int N, int piv){
    if(depth == -1) return;
    make(depth-1,A,N,piv - (1<<(depth-1)));
    make(depth-1,A,N,piv + (1<<(depth-1)));
    int np = min(piv-1,N-1);
    if(np >= piv - (1<<depth)) t[depth][np] = A[np];
    for (int i=np-1; i>=piv - (1<<depth); i--) {
        t[depth][i] = Secret(A[i],t[depth][i+1]);
    }
    if(N > piv) t[depth][piv] = A[piv];
    for (int i=piv+1; i<piv + (1<<depth) && i < N; i++) {
        t[depth][i] = Secret(t[depth][i-1],A[i]);
    }
}

void Init(int N, int A[]){
    make(9,A,N,512);
}

int q(int p, int l, int r, int d){
    if(l <= p-1 && p <= r) return Secret(t[d][l],t[d][r]);
    if(r == p-1) return t[d][l];
    if(l == p) return t[d][r];
    if(r <= p-1) return q(p-(1<<(d-1)),l,r,d-1);
    return q(p+(1<<(d-1)),l,r,d-1);
}

int Query(int L, int R){
    return q(512,L,R,9);
}

Compilation message

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 166 ms 5148 KB Output is correct - number of calls to Secret by Init = 4088, maximum number of calls to Secret by Query = 1
2 Correct 173 ms 5148 KB Output is correct - number of calls to Secret by Init = 4097, maximum number of calls to Secret by Query = 1
3 Correct 166 ms 5148 KB Output is correct - number of calls to Secret by Init = 4097, maximum number of calls to Secret by Query = 1
4 Correct 589 ms 5148 KB Output is correct - number of calls to Secret by Init = 7991, maximum number of calls to Secret by Query = 1
5 Correct 589 ms 5148 KB Output is correct - number of calls to Secret by Init = 8000, maximum number of calls to Secret by Query = 1
6 Correct 589 ms 5148 KB Output is correct - number of calls to Secret by Init = 8000, maximum number of calls to Secret by Query = 1
7 Correct 596 ms 5148 KB Output is correct - number of calls to Secret by Init = 8000, maximum number of calls to Secret by Query = 1
8 Correct 593 ms 5148 KB Output is correct - number of calls to Secret by Init = 8000, maximum number of calls to Secret by Query = 1
9 Correct 593 ms 5148 KB Output is correct - number of calls to Secret by Init = 8000, maximum number of calls to Secret by Query = 1
10 Correct 623 ms 5148 KB Output is correct - number of calls to Secret by Init = 8000, maximum number of calls to Secret by Query = 1