제출 #1175450

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1175450	2025-03-28 15:53:48	InvMOD	Selling RNA Strands (JOI16_selling_rna)	C++20	35 / 100	570 ms	1114112 KiB

selling_rna

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#include<bits/stdc++.h>
using namespace std;
#define sz(v) (int)(v).size()
#define all(v) (v).begin(), (v).end()
const int N = 2e6 + 5, M = 1e5 + 5, C = 26;
struct Trie{
    struct Node{
        Node* child[C]; int cnt;
        Node(): cnt(0) {
            for(int i = 0; i < C; i++){
                child[i] = nullptr;
            }
        }
    };
    typedef Node* pNode;
    pNode root;
    Trie(){
        root = new Node();
    }
    void addStr(const string &s){
        pNode cur = root;
        for(const char &i : s){
            int c = int(i - 'A');
            if(cur->child[c] == nullptr) cur->child[c] = new Node();
 
 
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컴파일 시 표준 에러 (stderr) 메시지

selling_rna.cpp: In function 'int32_t main()':
selling_rna.cpp:136:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  136 |         freopen(name".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
selling_rna.cpp:137:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  137 |         freopen(name".OUT", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 25
• Subtask 3: 25 / 25
• Subtask 4: 0 / 40