Submission #872828

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
872828	2023-11-13 22:28:25	rainboy	Shuffle (NOI19_shuffle)	C++17	12 / 100	1 ms	1372 KiB

shuffle

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "shuffle.h"
#include <vector>
using namespace std;
const int N = 1000, L = 10; /* L = ceil(log2(N)) */
typedef vector<int> vi;
typedef vector<vi> vvi;
int pp[L];
vi solve(int n, int b, int k, int q, int s) {
  vi aa(n);
  if (s == 3) {
    int l = 0, p = 1;
    while (p < n)
      pp[l++] = p, p *= b;
    vi xx(n), idx(p);
    for (int i = 0; i < n; i++) {
      int d = i % b, x = d;
      for (int h = 1; h < l; h++) {
        int d_ = (i / pp[h] + d) % b;
        x += d_ * pp[h];
      }
      xx[i] = x, idx[x] = i;
    }
    vi xx_(n, 0);
    for (int h = 0; h < l; h++) {
      vvi iii(b);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 0 / 2
• Subtask 2: 0 / 3
• Subtask 3: 12 / 12
• Subtask 4: 0 / 16
• Subtask 5: 0 / 15
• Subtask 6: 0 / 52