제출 #843761

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
843761	2023-09-04 14:23:20	saturina	Mecho (IOI09_mecho)	C++14	84 / 100	580 ms	7676 KiB

mecho

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//made by Nguyễn Hồng Nam
#include <bits/stdc++.h>
using namespace std;
#define ll int
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#define pll pair<ll,ll>
#define fi first
#define se second
const ll mod = 1e9 + 7,inf = 1e9,mxn = 805;
string s[mxn];
ll n,step,ans = inf,bear[mxn][mxn],bee[mxn][mxn],row[4] = {-1,0,0,1},col[4] = {0,-1,1,0},inf2;
pll start,en;
bool mark[mxn][mxn];
void minz(ll &a,ll b)
{
    if(a > b ) a = b;
}
bool check_bee(ll a,ll b)
{
    if(a >= 0 && a < n && b >= 0 && b < n && s[a][b] != 'T' && s[a][b] != 'D' && s[a][b] != 'H') return true;
    return 0;
}
bool check_bear(ll a,ll b)
{
    if(a >= 0 && a < n && b >= 0 && b < n && s[a][b] != 'T' && s[a][b] != 'H' && mark[a][b] == 0) return true;
    return 0;
}
void bfs_hive(ll i,ll j)
{
 
 
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컴파일 시 표준 에러 (stderr) 메시지

mecho.cpp: In function 'int main()':
mecho.cpp:108:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  108 |         freopen(taskname".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
mecho.cpp:109:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  109 |         freopen(taskname".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 84 / 100