제출 #786929

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
786929	2023-07-18 14:54:54	MCi	Tracks in the Snow (BOI13_tracks)	C++14	1.67 / 100	698 ms	389120 KiB

tracks

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#include<bits/stdc++.h>
#define file "D:\\CWistor\\code"
using namespace std; 
#define ll long long
#define MAX 100100
#define fi first
#define se second
#define ull unsigned long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define vi vector<int>
#define vl vector<long long>
#define mem(a, b) memset((a), (b), sizeof((a)))
#define all(c) (c).begin(), (c).end()
const int MOD = 1e9 + 7;
const int N = 2e6 + 6;
const ll M = (ll)1e18 + 7LL;
const int INF = 1e9 + 7;
ll oo = 1e17 + 5;
int n, m, a[5005][5005];
int dx[] = {1, -1, 0, 0};
int dy[] = {0, 0, 1, -1};
int cnt = 0;
void run_with_file()
{
    if (fopen(file".inp", "r"))
    {
        freopen(file".inp", "r", stdin);
        freopen(file".out", "w", stdout);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

tracks.cpp: In function 'void run_with_file()':
tracks.cpp:29:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |         freopen(file".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
tracks.cpp:30:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |         freopen(file".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 1.6666666666666667 / 30
• Subtask 2: 0 / 70