Submission #799000

#	Time^UTC-0	Username	Problem	Language	Result	Execution time	Memory
799000	2023-07-31 08:34:07	dvtd	Tracks in the Snow (BOI13_tracks)	C++14	100 / 100	870 ms	254172 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

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// 
#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> ii;
typedef pair<int, ii> iii;
typedef long long ll;
typedef long double ld;
const ll infLL = 2e18 + 7;
const int inf = 2e9 + 7;
const int maxN = 4010;
const ll MOD = 998244353;
const double eps = 1e-12;
int d[maxN][maxN];
int a[maxN][maxN];
bool visited[maxN][maxN];
int dx[4] = {-1, 1, 0, 0};
int dy[4] = {0, 0, -1, 1};
int res = 0;
bool check(int x, int y, int n, int m)
{
    return (0 <= x && x < n && 0 <= y && y < m);
}
void bfs(int n, int m)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

tracks.cpp: In function 'void setIO(std::string)':
tracks.cpp:95:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   95 |         freopen((name + ".inp").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tracks.cpp:96:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   96 |         freopen((name + ".out").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask 130 / 30

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Subtask 270 / 70

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