oj.uz

Submission #755241

# Submission time Handle Problem Language Result Execution time Memory
755241 2023-06-09T16:07:43 Z penguin133 Secret (JOI14_secret) C++17
0 / 100
 455 ms 4448 KB 
#include <bits/stdc++.h>
using namespace std;
 
#include "secret.h"
//#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
 
int a[1005], n, sp[12][1005], cnt;
void Init(int N, int A[]) {
	n = N;
  for(int i=0;i<n;i++)a[i] = A[i];
  while((1 << cnt) <= n)cnt++;
  cnt--;
  for(int i = 0; i < cnt; i++){
	  int blk = (1 << i);
	  int sz = (n + blk - 1) / blk;
	  for(int j = 1; j <= blk; j++){
		  int lb = (j - 1) * sz, ub = min(n - 1, j * sz - 1);
		  if(lb >= n)break;
		  int mid = (lb + ub) >> 1;
		  for(int k = mid; k >= lb; k--){
			  if(k == mid)sp[i][mid] = a[mid];
			  else sp[i][k] = Secret(a[k], sp[i][k + 1]);
		  }
		  for(int k = mid + 1; k <= ub; k++){
			  if(k == mid + 1)sp[i][k] = a[k];
			  else sp[i][k] = Secret(sp[i][k-1], a[k]);
		  }
	  }
  }
}
 
int Query(int L, int R) {
  if(L == R)return a[L];
  int brr = L ^ R;
  brr = cnt - (31 - __builtin_clz(brr)) - 1;
  return Secret(sp[brr][L], sp[brr][R]);
}

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 111 ms 2352 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 17921311.
2 Correct 124 ms 2368 KB Output is correct - number of calls to Secret by Init = 3586, maximum number of calls to Secret by Query = 1
3 Incorrect 130 ms 2388 KB Wrong Answer: Query(128, 153) - expected : 959658850, actual : 346459316.
4 Incorrect 455 ms 4368 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 274825282.
5 Incorrect 438 ms 4316 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 307380480.
6 Incorrect 443 ms 4212 KB Wrong Answer: Query(738, 741) - expected : 983692994, actual : 715804745.
7 Incorrect 451 ms 4292 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 803195407.
8 Incorrect 437 ms 4316 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 143491001.
9 Incorrect 449 ms 4448 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 657796239.
10 Incorrect 449 ms 4324 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 895754570.