제출 #477808

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
477808	2021-10-04 00:59:45	hollwo_pelw	Examination (JOI19_examination)	C++17	100 / 100	286 ms	10768 KiB

examination

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/*
// is short or still long ???
hollwo_pelw's template(short)
// Note : -Dhollwo_pelw_local
*/
#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/trie_policy.hpp>
// #include <ext/rope>
using namespace std;
// using namespace __gnu_pbds;
// using namespace __gnu_cxx;
void FAST_IO(string filein = "", string fileout = "", string fileerr = ""){
  if (fopen(filein.c_str(), "r")){
    freopen(filein.c_str(), "r", stdin);
    freopen(fileout.c_str(), "w", stdout);
#ifdef hollwo_pelw_local
    freopen(fileerr.c_str(), "w", stderr);
#endif
  }
  cin.tie(0), cout.tie(0) -> sync_with_stdio(0);
}
void Hollwo_Pelw();
signed main(){
#ifdef hollwo_pelw_local
 
 
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컴파일 시 표준 에러 (stderr) 메시지

examination.cpp: In function 'void solve(int, int)':
examination.cpp:88:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   88 |  int m = l + r >> 1;
      |          ~~^~~
examination.cpp: In function 'void FAST_IO(std::string, std::string, std::string)':
examination.cpp:18:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |   freopen(filein.c_str(), "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
examination.cpp:19:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |   freopen(fileout.c_str(), "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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