Submission #1173943

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1173943	2025-03-26 07:26:18	viwlesxq	Tracks in the Snow (BOI13_tracks)	C++20	2.19 / 100	52 ms	18096 KiB

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#include <bits/stdc++.h>
using namespace std;
//#define int long long
#define all(x) x.begin(), x.end()
template<class A, class B>
bool chmin(A &a, const B &b) {
    return a > b ? (a = b) == b : false;
} template<class A, class B>
bool chmax(A &a, const B &b) {
    return a < b ? (a = b) == b : false;
}
const int dx[] = {-1, 1, 0, 0};
const int dy[] = {0, 0, -1, 1};
signed main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    int n, m; cin >> n >> m;
    vector<string> s(n);
    for (int i = 0; i < n; ++i) {
        cin >> s[i];
    }
    int f = 0, r = 0;
    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < m; ++j) {
 
 
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• Subtask 1: 0 / 30
• Subtask 2: 2.1875 / 70