oj.uz

Submission #720297

# Submission time Handle Problem Language Result Execution time Memory
720297 2023-04-07T21:44:10 Z swagchicken Secret (JOI14_secret) C++14
0 / 100
 432 ms 8288 KB 
#include "secret.h"

int n;
int pre[1010][1010] = {};

void process(int L, int R, int A[]) {
    if(L == R) return;

    int m = (L + R)/2;

    pre[m][m] = A[m];
    pre[m+1][m+1] = A[m+1];
    for(int i = m-1; i >= L; i--) {
        pre[m][i] = Secret(A[i], pre[m][i+1]);
    }
    for(int i = m+2; i <= R; i++) {
        pre[m+1][i] = Secret(pre[m+1][i-1], A[i]);
    }
    process(L, m, A);
    process(m+1, R, A);
}   

void Init(int N, int A[]) {
    n = N;
    process(0, N-1, A);
}

int Query(int L, int R) {

    int lo = 0, hi = n-1;

    while(lo < hi) {
        int mid = (lo + hi)/2;
        if(L <= mid && R >= mid + 1) {
            return Secret(pre[L][mid], pre[mid+1][R]);
        } else if(R == mid) {
            return pre[L][mid];
        }

        if(R < mid + 1) {
            hi = mid;
        } else {
            lo = mid + 1;
        }
    }

    return pre[lo][lo];

}

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 116 ms 4288 KB Wrong Answer: Query(113, 206) - expected : 536899947, actual : 269891210.
2 Incorrect 119 ms 4384 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 712055264.
3 Incorrect 120 ms 4464 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 539361598.
4 Incorrect 432 ms 8120 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 374358039.
5 Incorrect 419 ms 8236 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 483966986.
6 Incorrect 426 ms 8268 KB Wrong Answer: Query(811, 813) - expected : 25091616, actual : 162759528.
7 Incorrect 423 ms 8288 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 177907722.
8 Incorrect 422 ms 8256 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 489869504.
9 Incorrect 429 ms 8208 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 702032905.
10 Incorrect 425 ms 8268 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 336488262.