Submission #437673

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
437673	2021-06-26 20:03:17	MohammadAghil	Tracks in the Snow (BOI13_tracks)	C++14	100 / 100	851 ms	155296 KiB

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#include <bits/stdc++.h> 
using namespace std;
typedef long long ll;
#define rep(i,l,r) for(int i = (l); i < r; i++)
#define per(i,r,l) for(int i = (r); i >= l; i--)
#define all(x) x.begin(), x.end()
#define sz(x) (int)(x).size()
#define pb push_back
#define ff first
#define ss second 
const ll mod = 1e9 + 7, maxn = 4e3 + 5, inf = 1e9 + 5;
int dx[4] = {-1, 0, 1, 0}, dy[4] = {0, 1, 0, -1};
int a[maxn][maxn];
int main(){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n, m; cin >> n >> m;
    rep(i,0,n){
        string s; cin >> s;
        rep(j,0,m){
            if(s[j] == 'R') a[i][j] = 1;
            else if(s[j] == 'F') a[i][j] = 2;
        }
    }
    vector<vector<int>> dist(n, vector<int>(m, inf));
    dist[0][0] = 1;
    deque<pair<int, int>> q; q.pb({0, 0});
    while(sz(q)){
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 70 / 70