Submission #398827

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
398827	2021-05-04 20:47:08	nikatamliani	Selling RNA Strands (JOI16_selling_rna)	C++14	100 / 100	402 ms	398676 KiB

selling_rna

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#include "bits/stdc++.h"
using namespace std;
const int N = 2e5+10;
string s[N];
int n, m;
int count(const vector<int> &v, int x) {
  if(v.empty()) return 0;
  int l = 0, r = (int)v.size()-1, pos = -1;
  while(r >= l) {
    int m = l + r >> 1;
    if(v[m] <= x) {
      pos = m;
      l = m + 1;
    } else {
      r = m - 1;
    }
  }
  return pos+1;
}
int count(const vector<int> &v, int L, int R) {
  return count(v, R) - count(v, L-1);
}
int id[256];
struct trie {
  int tries;
  vector<array<int, 4>> nxt;
  vector<vector<int>> ids;
  trie() {}
  trie(int size) {
    tries = 0;
 
 
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Compilation message (stderr)

selling_rna.cpp: In function 'int count(const std::vector<int>&, int)':
selling_rna.cpp:10:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   10 |   int m = l + r >> 1;
      |           ~~^~~
selling_rna.cpp: In member function 'void trie::add(const string&, int)':
selling_rna.cpp:37:23: warning: array subscript has type 'char' [-Wchar-subscripts]
   37 |    if(nxt[cur][id[s[i]]] == 0) {
      |                       ^
selling_rna.cpp:38:21: warning: array subscript has type 'char' [-Wchar-subscripts]
   38 |     nxt[cur][id[s[i]]] = ++tries;
      |                     ^
selling_rna.cpp:40:26: warning: array subscript has type 'char' [-Wchar-subscripts]
   40 |    cur = nxt[cur][id[s[i]]];
      |                          ^
selling_rna.cpp: In member function 'int trie::get(const string&, int, int)':
selling_rna.cpp:47:26: warning: array subscript has type 'char' [-Wchar-subscripts]
   47 |    cur = nxt[cur][id[s[i]]];
      |                          ^
selling_rna.cpp: In member function 'std::pair<int, int> trie::get(const string&)':
selling_rna.cpp:54:26: warning: array subscript has type 'char' [-Wchar-subscripts]
   54 |    cur = nxt[cur][id[s[i]]];
      |                          ^

• Subtask 1: 10 / 10
• Subtask 2: 25 / 25
• Subtask 3: 25 / 25
• Subtask 4: 40 / 40