Submission #781114

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
781114	2023-07-12 18:06:32	hasan_tawsif	Tracks in the Snow (BOI13_tracks)	C++14	100 / 100	673 ms	130936 KiB

tracks

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#include <bits/stdc++.h>
using namespace std;
using LL = long long;
const int inf = (int) 1e9;
int dx[] = {-1, +1, 0, 0};
int dy[] = {0, 0, +1, -1};
char adj[4002][4002];
int dis[4002][4002];
void solve() {
  int n, m; cin >> n >> m;
  for (int i = 1; i <= n; ++i)
    for (int j = 1; j <= m; ++j) cin >> adj[i][j], dis[i][j] = inf;
  deque<pair<int , int > > dq;
  dq.push_front({1, 1});
  dis[1][1] = 1;
  auto valid = [&] (int r, int c) {
    return r >= 1 and r <= n and c >= 1 and c <= m and adj[r][c] != '.';
  };
  int ans = 0;
  while (!dq.empty()) {
    auto [r, c] = dq.front(); dq.pop_front();
    ans = max(ans, dis[r][c]);
 
 
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Compilation message (stderr)

tracks.cpp: In function 'void solve()':
tracks.cpp:29:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   29 |   auto [r, c] = dq.front(); dq.pop_front();
      |        ^

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70