Submission #1165528

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1165528	2025-03-12 02:35:30	goulthen	Tracks in the Snow (BOI13_tracks)	C++20	100 / 100	805 ms	430164 KiB

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#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define fi first
#define se second
#define pb push_back
#define rep(i,a,b) for (int i = a; i <= b; ++i)
#define all(v) (v).begin(), (v).end()
 
const int MAXN = 4e3 + 10;
const int INF = 1e18;
const int MOD = 1e9 + 7;
int a[MAXN][MAXN], dist[MAXN][MAXN], seen[MAXN][MAXN];
int dx[] = {0,1,0,-1};
int dy[] = {1,0,-1,0};
void solve() {
    int n,m;
    cin >> n >> m;
    rep(i,1,n) {
        rep(j,1,m) {
            char ch;cin >> ch;
            a[i][j] = (ch == 'F' ? 1LL : ch == 'R' ? 2 : 0);
        }
    }
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 70 / 70