Submission #872834

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
872834	2023-11-13 22:54:41	rainboy	Shuffle (NOI19_shuffle)	C++17	31 / 100	1 ms	2652 KiB

shuffle

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#include "shuffle.h"
#include <cstring>
#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], xx[N], idx[N * N], xx_[N];
int uu[N], vv[N];
vi solve(int n, int m, int k, int q, int s) {
  vi aa(n);
  if (s == 3) {
    int l = 0, p = 1;
    while (p < n)
      pp[l++] = p, p *= m;
    for (int i = 0; i < n; i++) {
      int d = i % m, x = d;
      for (int h = 1; h < l; h++) {
        int d_ = (i / pp[h] + d) % m;
        x += d_ * pp[h];
      }
      xx[i] = x, idx[x] = i;
    }
    memset(xx_, 0, n * sizeof *xx_);
    for (int h = 0; h < l; h++) {
 
 
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• Subtask 2: 3 / 3
• Subtask 3: 12 / 12
• Subtask 4: 16 / 16
• Subtask 5: 0 / 15
• Subtask 6: 0 / 52