oj.uz

Submission #671190

# Submission time Handle Problem Language Result Execution time Memory
671190 2022-12-12T10:28:13 Z Denkata Secret (JOI14_secret) C++14
0 / 100
 468 ms 8288 KB 
#include<bits/stdc++.h>
#include "secret.h"
using namespace std;
int prefix[1006][1006];
int n;
void precompute(int l,int r,int A[])
{
    int mid = (l+r)/2;
    prefix[mid][mid]=A[mid];
    prefix[mid+1][mid+1]=A[mid+1];
    for(int i=mid+2;i<=r;i++)
        prefix[mid+1][i] = Secret(prefix[mid+1][i-1],A[i]);
    for(int i=mid-1;i>=l;i--)
        prefix[mid][i] = Secret(prefix[mid][i+1],A[i]);
    if(mid+1<r)
        precompute(mid+1,r,A);
   if(mid>l)
        precompute(l,mid,A);
}
void Init(int N, int A[])
{
    n=N;
    precompute(0,N-1,A);
}

int Query(int L, int R)
{
    int l = 0, r = n-1;
    while(l!=r)
    {
        int mid = (l+r)/2;
        if(L<=mid && mid+1<=R)
            return Secret(prefix[mid][L],prefix[mid+1][R]);///answers even if only on the left side there is query
        else if(mid==R)
            return prefix[mid][L];
        else if(mid<L)
            l=mid+1;
        else r=mid;
    }
    return prefix[l][l];
}

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 116 ms 4424 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 268854015.
2 Incorrect 126 ms 4364 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 311474560.
3 Incorrect 136 ms 4396 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 353554500.
4 Incorrect 458 ms 8208 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 343081568.
5 Incorrect 462 ms 8236 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 957013316.
6 Incorrect 468 ms 8280 KB Wrong Answer: Query(200, 208) - expected : 277813445, actual : 154975445.
7 Incorrect 460 ms 8288 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 675449873.
8 Incorrect 457 ms 8232 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 273091792.
9 Incorrect 465 ms 8232 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 827853577.
10 Incorrect 466 ms 8264 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 337854787.