Submission #1092783

#	Time	Username	Problem	Language	Result	Execution time	Memory
1092783		juicy	Tracks in the Snow (BOI13_tracks)	C++17	2.19 / 100	202 ms	16028 KiB

tracks

#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

int main() {
  ios::sync_with_stdio(false); cin.tie(nullptr);

  int n, m; cin >> n >> m;
  map<char, int> mp;
  for (int i = 0; i < n; ++i) {
    for (int j = 0; j < m; ++j) {
      char c; cin >> c;
      if (c != '.') {
        mp[c]++;
      }
    }
  }
  cout << mp.size();
  return 0;
}

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