oj.uz

Submission #489563

# Submission time Handle Problem Language Result Execution time Memory
489563 2021-11-23T08:54:40 Z danikoynov Secret (JOI14_secret) C++14
0 / 100
 496 ms 4392 KB 
#include<bits/stdc++.h>
#include "secret.h"
using namespace std;
const int maxn = 1010, maxlog = 15;


int dp[maxlog][maxn], arr[maxn], n;

void divide(int left, int right, int depth)
{
    if (left == right)
    {
        dp[depth][left] = arr[left];
        return;
    }

    int mid = (left + right) / 2;
    dp[depth][mid] = arr[mid];
    for (int i = mid - 1; i >= left; i --)
    {
        dp[depth][i] = Secret(arr[i], dp[depth][i + 1]);
        ///cout << depth << " " << i << " " << arr[i] << " " << dp[depth][i + 1] << endl;
    }
    dp[depth][mid + 1] = arr[mid + 1];
    for (int i = mid + 2; i <= right; i ++)
        dp[depth][i] = Secret(arr[i], dp[depth][i - 1]);

    divide(left, mid, depth + 1);
    divide(mid + 1, right, depth + 1);
}

void Init(int m, int a[])
{
    n = m;
    for (int i = 0; i < n; i ++)
        arr[i] = a[i];

    divide(0, n - 1, 1);
}

int Query(int l, int r)
{
    int lf = 0, rf = n - 1, depth = 1;
    while(true)
    {
        int mf = (lf + rf) / 2;

        if (lf == rf)
        {
            return dp[depth][lf];
        }
        if (r <= mf)
        {
            rf = mf;
            depth ++;
            continue;
        }
        if (l > mf)
        {
            lf = mf + 1;
            depth ++;
            continue;
        }

        int ans = Secret(dp[depth][l], dp[depth][r]);
        return ans;
    }
    return 0;
}

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 119 ms 2364 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 809782271.
2 Incorrect 125 ms 2460 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 68749376.
3 Incorrect 124 ms 2400 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 136349820.
4 Incorrect 456 ms 4316 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 650789536.
5 Incorrect 458 ms 4356 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 377506838.
6 Incorrect 458 ms 4364 KB Wrong Answer: Query(738, 741) - expected : 983692994, actual : 61461050.
7 Incorrect 496 ms 4380 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 687550570.
8 Incorrect 478 ms 4368 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 145923264.
9 Incorrect 472 ms 4340 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 18757135.
10 Incorrect 470 ms 4392 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 70590726.