Submission #1053654

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1053654	2024-08-11 15:05:06	vjudge1	Tracks in the Snow (BOI13_tracks)	C++17	63.23 / 100	2017 ms	60284 KiB

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#include <bits/stdc++.h>
using namespace std;
 
#define ll long long
#define ld long double
#define pii pair<int, int>
#define pll pair<ll, ll>
#define pld pair<ld, ld>
#define pb push_back
#define fi first
#define se second
#define debug(x) cout << #x << " => " << x << endl
#define all(x) x.begin(),x.end()
bool vis[4010][4010];
int main()
{
  ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
  int n,m;cin>>n>>m;
  string s[n];
  for(int i=0;i<n;i++) cin>>s[i];
  priority_queue<pair<int,pii>> pq;
  pq.push({0,{0,0}});
  vis[0][0]=1;
  int ans=0;
  while(!pq.empty())
  {
    int x=pq.top().se.fi,y=pq.top().se.se,v=-pq.top().fi;
 
 
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• Subtask 1: 21.666666666666668 / 30
• Subtask 2: 41.5625 / 70