Submission #798440

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
798440	2023-07-30 17:32:08	arijit_biswas	Tracks in the Snow (BOI13_tracks)	C++17	100 / 100	669 ms	119516 KiB

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#include <bits/stdc++.h>
#define fast ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
using namespace std;
// void setIO(string filename) {
//     freopen((filename + ".in").c_str(), "r", stdin);
//     freopen((filename + ".out").c_str(), "w", stdout);
// }
int n, m;
vector<vector<char>> snow;
vector<vector<int>> dis;
int ans;
int dx[] = {0, 1, 0, -1};
int dy[] = {1, 0, -1, 0};
bool check(int x, int y) {
    return (x >= 0 && x < n && y >= 0 && y < m && snow[x][y] != '.');
}
void bfs() {
    dis.assign(n, vector<int>(m, 1e9));
    deque<pair<int, int>> dq;
    dis[0][0] = 0;
    dq.push_back({0, 0});
    while (!dq.empty()) {
        auto node = dq.front(); dq.pop_front();
        int i = node.first, j = node.second;
        ans = max(ans, dis[i][j]);
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 70 / 70