Submission #873246

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
873246	2023-11-14 17:00:25	rainboy	Shuffle (NOI19_shuffle)	C++17	95.77 / 100	2 ms	2652 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 <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 n, m, k;
int pp[L], xx[N], idx[N * N], xx_[N], ii[N];
int uu[N], vv[N];
int dd[N];
void shuffle_(vvi iii, vvi &aaa) {
  aaa = shuffle(iii);
  for (int d = 0; d < m; d++)
    for (int g = 0; g < k; g++)
      aaa[d][g]--;
}
vi solve(int n_, int m_, int k_, int q, int s) {
  n = n_, m = m_, k = k_;
  vvi iii(m), aaa, aaa_;
  vi aa(n);
  if (s == 3) {
    int l = 0, p = 1;
    while (p < n)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

shuffle.cpp: In function 'vi solve(int, int, int, int, int)':
shuffle.cpp:107:36: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
  107 |    int x = (i < n - 2 ? i : 1 << l - 1 ^ i & 1) ^ ((i & 1) == 0 ? 0 : (1 << l) - 2);
      |                                  ~~^~~
shuffle.cpp:107:44: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
  107 |    int x = (i < n - 2 ? i : 1 << l - 1 ^ i & 1) ^ ((i & 1) == 0 ? 0 : (1 << l) - 2);
      |                                          ~~^~~
shuffle.cpp:168:35: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
  168 |    int x = g + 1 < k ? g : 1 << l - 1;
      |                                 ~~^~~

• Subtask 1: 2 / 2
• Subtask 2: 3 / 3
• Subtask 3: 12 / 12
• Subtask 4: 16 / 16
• Subtask 5: 15 / 15
• Subtask 6: 47.7703747769 / 52