Submission #1172178

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1172178	2025-03-22 20:45:56	ndan	Tracks in the Snow (BOI13_tracks)	C++20	0 / 100	2 ms	328 KiB

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#include <bits/stdc++.h>
#include <deque>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define file "test"
#define forr(i, a, b) for (int i = (a), _b = (b); i <= _b; ++i)
#define ford(i, b, a) for (int i = (b), _a = (a); i >= _a; --i)
#define forf(i, a, b) for (int i = (a), _b = (b); i < _b; ++i)
#define rep(i, n) for (int i = 0, _n = (n); i < _n; ++i)
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define MASK(i) (1LL << (i))
#define bit(x, i) (((x) >> (i)) & 1)
#define bp __builtin_popcountll
const int maxn = 4e3 + 10;
const int MOD = 1e9 + 7; // 998244353 // 1e9 + 2277 // 1e9 + 5277
const ll inf = 1e18;
const int oo = 1e9 + 7;
const float eps = 1e-6;
template<class X, class Y>
 
 
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Compilation message (stderr)

tracks.cpp: In function 'int main()':
tracks.cpp:86:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   86 |     freopen(file".inp", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
tracks.cpp:87:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   87 |     freopen(file".out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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