oj.uz

Submission #988117

# Submission time Handle Problem Language Result Execution time Memory
988117 2024-05-24T05:09:33 Z icyalmond Secret (JOI14_secret) C++17
0 / 100
 358 ms 4464 KB 
#include "secret.h"
 
int n, pref[1005][15], suf[1005][15], a[1005], mask[1005];
 
void build(int l, int r, int h)
{
  	if (l == r) return;
    int m = l + r >> 1;
    suf[m][h] = a[m];
    for (int i = m - 1; i >= l; i--) suf[i][h] = Secret(suf[i + 1][h], a[i]);
    pref[m + 1][h] = a[m + 1];
    for (int i = m + 2; i <= r; i++) pref[i][h] = Secret(pref[i - 1][h], a[i]);
    for (int i = m + 1; i <= r; i++) mask[i] |= 1 << h;
    if (l != m) build(l, m, h + 1);
    if (m + 1 != r) build(m + 1, r, h + 1);
}
 
void Init(int N, int A[])
{
    n = N;
    for (int i = 0; i < n; i++)
    {
        a[i] = A[i];
        mask[i] = 0;
    }
    build(0, n - 1, 0);
}
 
int Query(int L, int R)
{
    if (L == R) return(a[L]);
    else
    {
        int l = 0, r = n - 1, h = 0;
        while (l < r)
        {
            int m = l + r >> 1;
            if (L <= m && m + 1 <= R) return(Secret(suf[L][h], pref[R][h]));
            else if (R <= m)
            {
                r = m;
                h++;
            }
            else if (m + 1 <= L)
            {
                l = m + 1;
                h++;
            }
        }
    }
}
 
//coded by icyalmond

Compilation message

secret.cpp: In function 'void build(int, int, int)':
secret.cpp:8:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    8 |     int m = l + r >> 1;
      |             ~~^~~
secret.cpp: In function 'int Query(int, int)':
secret.cpp:37:23: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   37 |             int m = l + r >> 1;
      |                     ~~^~~
secret.cpp:51:1: warning: control reaches end of non-void function [-Wreturn-type]
   51 | }
      | ^

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 96 ms 3664 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 268854015.
2 Incorrect 94 ms 2328 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 311474560.
3 Incorrect 94 ms 2388 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 353554500.
4 Incorrect 348 ms 4432 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 343081568.
5 Incorrect 348 ms 4436 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 957013316.
6 Incorrect 353 ms 4448 KB Wrong Answer: Query(200, 208) - expected : 277813445, actual : 154975445.
7 Incorrect 358 ms 4436 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 675449873.
8 Incorrect 352 ms 4432 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 273091792.
9 Incorrect 352 ms 4336 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 827853577.
10 Incorrect 351 ms 4464 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 337854787.