Submission #1348464

#	Time	Username	Problem	Language	Result	Execution time	Memory
1348464		2goo_no	Tracks in the Snow (BOI13_tracks)	C++20	2.19 / 100	202 ms	436 KiB

tracks

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n, m;

    cin >> n >> m;

    set<char> animals;

    for (int i = 0; i < n; i++)
    {
        string a;

        cin >> a;

        for (int j = 0; j < m; j++)
        {
            if (a[j] != '.')
                animals.insert(a[j]);
        }
    }

    cout << animals.size();
}

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