Submission #824333

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
824333	2023-08-14 02:52:17	lto5	Genetics (BOI18_genetics)	C++14	100 / 100	256 ms	35020 KiB

genetics

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#include <bits/stdc++.h>
using namespace std;
mt19937_64 rng(time(NULL));
const int N = 4505;
char a[N][N];
int64_t h[N];
int mpp[256];
int64_t rows[N][4];
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
#define task "a"
  if (fopen(task ".inp", "r")) {
    freopen(task ".inp", "r", stdin);
    freopen(task ".out", "w", stdout);
  }
  int n, m, k;
  cin >> n >> m >> k;
  int64_t all_rows = 0;
  for (int i = 1; i <= n; i++) {
    h[i] = uniform_int_distribution<int64_t>(1, 1e18)(rng);
    all_rows += h[i];
  }
  mpp['A'] = 0, mpp['C'] = 1, mpp['T'] = 2, mpp['G'] = 3;
  for (int i = 1; i <= n; i++) {
 
 
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Compilation message (stderr)

genetics.cpp: In function 'int main()':
genetics.cpp:33:25: warning: array subscript has type 'char' [-Wchar-subscripts]
   33 |       rows[j][mpp[a[i][j]]] += h[i];
      |                   ~~~~~~^
genetics.cpp:39:48: warning: array subscript has type 'char' [-Wchar-subscripts]
   39 |       list_row += all_rows - rows[j][mpp[a[i][j]]];
      |                                          ~~~~~~^
genetics.cpp:19:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |     freopen(task ".inp", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
genetics.cpp:20:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     freopen(task ".out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 27 / 27
• Subtask 2: 19 / 19
• Subtask 3: 28 / 28
• Subtask 4: 26 / 26