제출 #758787

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
758787	2023-06-15 10:03:18	mgl_diamond	Examination (JOI19_examination)	C++14	100 / 100	995 ms	329880 KiB

examination

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ii = pair<int, int>;
 
#define foru(i, l, r) for(int i=(l); i<=(r); ++i)
#define ford(i, l, r) for(int i=(l; i>=(r); --i)
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)x.size()
#define fi first
#define se second
#define C make_pair
 
using dt = pair<ii, int>;
const int N = 2e5+5;
const int INF = 1e9;
const int SQRT = sqrt(N);
int debug = 0;
struct trie {
  struct node {
    int nxt[2], cnt = 0;
    node() { nxt[0] = nxt[1] = -1; cnt = 0; }
  };
  vector<node> trie;
  void built() {
    trie.push_back(node());
 
 
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컴파일 시 표준 에러 (stderr) 메시지

examination.cpp: In function 'int main()':
examination.cpp:148:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  148 |     freopen("input.inp", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
examination.cpp:149:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  149 |     freopen("input.out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 20 / 20
• Subtask 3: 21 / 21
• Subtask 4: 57 / 57