oj.uz

Submission #383851

# Submission time Handle Problem Language Result Execution time Memory
383851 2021-03-30T21:56:00 Z JerryLiu06 Secret (JOI14_secret) C++
0 / 100
 510 ms 4588 KB 
#include <bits/stdc++.h>
#include "secret.h"

using namespace std;

int dat[10][1010], mask[1010], A[1010];

void divide(int L, int R, int lev, int A[]) {
    if (L == R) return ; int mid = (L + R) / 2;

    dat[lev][mid] = mid; for (int i = mid - 1; i >= L; i--) dat[lev][i] = Secret(A[i], dat[lev][i + 1]);
    dat[lev][mid + 1] = mid + 1; for (int i = mid + 2; i <= R; i++) dat[lev][i] = Secret(A[i], dat[lev][i - 1]);

    for (int i = mid + 1; i <= R; i++) mask[i] ^= (1 << lev);

    divide(L, mid, lev + 1, A); divide(mid + 1, R, lev + 1, A);
}
void Init(int N, int arr[]) { for (int i = 0; i < N; i++) A[i] = arr[i]; divide(1, N, 1, A); }

int Query(int L, int R) { if (L == R) return A[L];
    int lev = __builtin_ctz(mask[L] ^ mask[R]); return Secret(dat[lev][L], dat[lev][R]);
}

Compilation message

secret.cpp: In function 'void divide(int, int, int, int*)':
secret.cpp:9:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
    9 |     if (L == R) return ; int mid = (L + R) / 2;
      |     ^~
secret.cpp:9:26: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
    9 |     if (L == R) return ; int mid = (L + R) / 2;
      |                          ^~~

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 130 ms 2540 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 17246242.
2 Incorrect 130 ms 2540 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 551202856.
3 Incorrect 132 ms 2540 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 480575520.
4 Incorrect 504 ms 4460 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 833765607.
5 Incorrect 491 ms 4460 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 49300752.
6 Incorrect 490 ms 4460 KB Wrong Answer: Query(738, 741) - expected : 983692994, actual : 825894872.
7 Incorrect 496 ms 4588 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 586843152.
8 Incorrect 505 ms 4460 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 478167248.
9 Incorrect 510 ms 4460 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 811479591.
10 Incorrect 487 ms 4460 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 873218568.