Submission #344799

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
344799	2021-01-06 14:51:42	JovanK26	Tracks in the Snow (BOI13_tracks)	C++14	97.81 / 100	893 ms	1048576 KiB

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#include <bits/stdc++.h>
using namespace std;
int n,m;
string mat[4001];
int addx[4]={1,0,-1,0};
int addy[4]={0,1,0,-1};
vector< array<int,2> > pt[2];
int rez=0;
bool check(int i,int j)
{
    if(i<0 || i>=n || j<0 || j>=m || mat[i][j]=='.')return 0;
    return 1;
}
void dfs(int x,int y)
{
    char cur=mat[x][y];
    mat[x][y]='.';
    for(int i=0;i<4;i++)
    {
        int c1=x+addx[i];
        int c2=y+addy[i];
        if(!check(c1,c2))
        {
            continue;
        }
        if(mat[c1][c2]==cur)
        {
            dfs(c1,c2);
        }
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 67.8125 / 70