Submission #888471

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
888471	2023-12-17 13:48:07	bashNewbie	Tracks in the Snow (BOI13_tracks)	C++17	75.83 / 100	1031 ms	140720 KiB

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#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <queue>
using namespace std;
#define fast_io ios::sync_with_stdio(0), cin.tie(0)
#define vi vector<int>
#define vvi vector<vi>
#define vs vector<string>
#define pb push_back
int main() {
  fast_io;
  int n, m; cin >> n >> m;
  vs s(n); for(auto &t: s) cin >> t;
  auto in = [&] (int x) {
    return -1 < x && x < n*m;
  };
  auto bad = [&] (int x) {
    return s[x/m][x%m] == '.';
  };
  auto same = [&] (int x, int y) {
    int xr = x/m, xc = x%m, yr = y/m, yc = y%m;
    return s[xr][xc] == s[yr][yc];
  };
 
 
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• Subtask 1: 23.333333333333332 / 30
• Subtask 2: 52.5 / 70