Submission #725753

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
725753	2023-04-18 02:14:03	asdfgrace	Tracks in the Snow (BOI13_tracks)	C++17	100 / 100	562 ms	107600 KiB

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#include <bits/stdc++.h>
using namespace std;
#define DEBUG(x) //x
#define A(x) DEBUG(assert(x))
#define PRINT(x) DEBUG(cerr << x)
#define PV(x) DEBUG(cerr << #x << " = " << x << endl)
#define PAR(x) DEBUG(PRINT(#x << " = { "); for (auto y : x) PRINT(y << ' '); PRINT("}\n");)
#define PAR2(x) DEBUG(PRINT(#x << " = { "); for (auto [y, z] : x) PRINT(y << ',' << z << "  "); PRINT("}\n");)
using i64 = int64_t;
const int INF = 1000000007; //998244353
 
struct S {
  int n, m;
  array<array<char, 4000>, 4000> a{};
  array<array<bool, 4000>, 4000> visited{};
 
  void run() {
    cin >> n >> m;
    for (int i = 0; i < n; ++i) {
      for (int j = 0; j < m; ++j) {
        cin >> a[i][j];
      }
    }
  }
  
  void bfs() {
    deque<array<int, 3>> q; // {d, x, y}
    q.push_back({1, 0, 0});
    visited[0][0] = true;
    int ans = 1;
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 70 / 70