제출 #784324

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
784324	2023-07-16 02:51:45	Anthony_Liu	Mecho (IOI09_mecho)	C++11	100 / 100	832 ms	6696 KiB

mecho

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#include<bits/stdc++.h>
using namespace std;
//#pragma GCC optimize("O3, unroll-loops")
//#pragma GCC target("avx2, bmi, bmi2, lzcnt, popcnt")
#define f first
#define s second
#define ll long long
#define pb push_back 
#define pi pair <int,int>
#define vi vector <int>
#define size(x) (int)(x).size()
#define all(x) x.begin(), x.end()
void setIO(string name = "") {
  cin.tie(0)->sync_with_stdio(0);
  if (size(name)) {
    freopen((name + ".in").c_str(), "r", stdin);
    freopen((name + ".out").c_str(), "w", stdout);
  }
}
int N, S;
pi mecho;
pi home;
  
char grid[801][801];
vector <pi> hives;
int dx[] = {-1, 1, 0, 0};
int dy[] = {0, 0, 1, -1};
 
 
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컴파일 시 표준 에러 (stderr) 메시지

mecho.cpp: In function 'void setIO(std::string)':
mecho.cpp:16:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |   freopen((name + ".in").c_str(), "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mecho.cpp:17:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |   freopen((name + ".out").c_str(), "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100