Submission #793036

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
793036	2023-07-25 12:56:03	MODDI	Tracks in the Snow (BOI13_tracks)	C++14	84.69 / 100	2081 ms	114648 KiB

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#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef pair<int,int> pii;
typedef pair<long long, long long> pll;
using namespace std;
int n, m;
char mat[4001][4001];
bool vis[4001][4001];
int dist[4001][4001], dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
bool in_range(int i, int j){
  if(i >= 0 && j >= 0 && i < n && j < m)  return true;
  return false;
}
int main(){
  cin>>n>>m;
  for(int i = 0; i < n; i++)
    for(int j = 0; j < m; j++)
      cin>>mat[i][j];
      
  priority_queue<pair<int, pii>> q;
  q.push(mp(0, mp(0, 0)));
  int ans = 1;
  dist[0][0] = vis[0][0] = 1;
  while(!q.empty()){
    pii at = q.top().second;
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 54.6875 / 70