Submission #892447

#	Time	Username	Problem	Language	Result	Execution time	Memory
892447		tnknguyen_	Tracks in the Snow (BOI13_tracks)	C++14	2.19 / 100	197 ms	63472 KiB

tracks

#include <bits/stdc++.h>
using namespace std;
#define endl '\n' 
/**
* IDEA:
*/

const int sz = 4e3 + 5;
int m, n;
int a[sz][sz], vi[sz][sz], d[sz][sz];
int dx[4] = {0, 1, 0, -1};
int dy[4] = {1, 0, -1, 0};

bool valid(int x, int y){
    return (x >= 1 && x <= m && y >= 1 && y <= n);
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    // freopen("main.inp","r",stdin);
    // freopen("main.out","w",stdout);

    cin>>m>>n;

    int f1 = 0, f2 = 0;
    for(int i=1;i<=m;++i){
        for(int j=1;j<=n;++j){
            char c;
            cin>>c;
            if(c == '.'){
                a[i][j] = -1;
                continue;
            }
            if(c == 'F'){
                a[i][j] = 1;
                f1 = 1;
            }
            else{
                a[i][j] = 2;
                f2 = 1;
            }
        }
    }

    cout<<f1 + f2;

    return 0;
}

• Subtask 1: 0 / 30
• Subtask 2: 2.1875 / 70