Submission #1087398

#	Time	Username	Problem	Language	Result	Execution time	Memory
1087398		sidlad	Tracks in the Snow (BOI13_tracks)	C++17	2.19 / 100	216 ms	31856 KiB

tracks

#include <bits/stdc++.h>
const long double EPS = 1e-7;
const long long int INF = LONG_LONG_MAX/2;
const long long int M = (long long int) 1e9 + 7;//998'244'353;
using namespace std;
//insert policy here

//insert mintcode here

#if defined (ONLINE_JUDGE) || !__has_include (</home/sidlad/Desktop/Coding Folder/c and cpp codes/Debug.h>)
    void _exe() {}
    template <typename T, typename... V>
    const T& _exe(const T &t,const V&... v) {return t;}
    template <typename T, typename... V>
    T& _exe(T &t,V&... v) {return t;}
    
    #define debug(x...) (_exe(x))
    
    class CNothing {};

    template <typename T>
    const CNothing& operator<<(const CNothing& proxy, const T&)
    {
        return proxy;
    }

    const CNothing& operator<<(const CNothing& proxy, std::ostream& (*)(std::ostream&))
    {
        return proxy;
    }
    CNothing cnothing;
    #define cerr cnothing
#else
    #include </home/sidlad/Desktop/Coding Folder/c and cpp codes/Debug.h>
#endif

#define int long long
#define double long double
#define all(x) (x).begin(),(x).end()
#define endl "\n" //comment out for interactive problems
#define cout(x) x?cout<<"Yes"<<endl:cout<<"No"<<endl

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
    cout.precision(numeric_limits<double>::max_digits10);
    // freopen("input.txt","r",stdin);
    // freopen("output.txt","w",stdout);
    int n,m;
    cin>>n>>m;
    vector<vector<char>> v(n,vector<char>(m));
    for(auto& row:v)for(auto&ele:row)cin>>ele;
    set<char> st;
    for(auto&row:v)for(auto& ele:row)if(ele!='.')st.insert(ele);
    cout<<st.size()<<endl;
}

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