제출 #839470

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
839470	2023-08-30 05:52:55	vjudge1	Selling RNA Strands (JOI16_selling_rna)	C++17	0 / 100	122 ms	288484 KiB

selling_rna

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#include<bits/stdc++.h>
#define pb push_back
#define fi first
#define se second 
using namespace std;
typedef long long ll;
const int maxn=1e5+5;
const int maxm=6e6+5;
map<char,int>m;
struct node{
  int a[4];
  int cnt=0;
  node(){for(int i=0;i<4;i++)a[i]=0;}
};
vector<node>trie[2];
int tin[2][maxm];
int tout[2][maxm];
int vt[2][maxm];
void add(string s,int id,int type){
  int pos=0;
  for(auto &v:s){
    int k=m[v];
    if(trie[type][pos].a[k]==0){
      trie[type][pos].a[k]=trie[type].size();
      trie[type].pb(node());
    }
    pos=trie[type][pos].a[k];
  }
  vt[type][id]=pos;
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

selling_rna.cpp: In function 'int main()':
selling_rna.cpp:65:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   65 |  freopen("input.inp","r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
selling_rna.cpp:66:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |  freopen("output.out","w",stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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