Submission #1166783

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1166783	2025-03-14 12:15:43	anomori	Tracks in the Snow (BOI13_tracks)	C++20	100 / 100	537 ms	118968 KiB

tracks

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#include <bits/stdc++.h>
using namespace std;
/*
ifstream fin("input.in");
ofstream fout("output.out");
*/
#define fin cin
#define fout cout
using ll = long long;
const int nmax = 4001;
struct point {int x,y;};
int n,m;
char mat[nmax][nmax];
int depth[nmax][nmax];
deque<point> dq;
const point d[] = {
        {1,0},
        {0,1},
        {-1,0},
        {0,-1}
};
bool inside(int x, int y) {
    return 1 <= x and x <= n
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 70 / 70