Submission #625354

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
625354	2022-08-10 06:50:17	EthanKim8683	Tracks in the Snow (BOI13_tracks)	C++17	100 / 100	507 ms	128964 KiB

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#include<iostream>
#include<cstdio>
#include<queue>
using namespace std;
using I=int;
using C=char;
using B=bool;
const I H=4000;
const I W=4000;
I dx[4]{1,-1,0,0};
I dy[4]{0,0,1,-1};
C cels[H][W+1];
I deps[H][W];
deque<pair<I,I>>que;
I h,w;
B bnd(I i,I j){
  return i>=0&&i<h&&j>=0&&j<w;
}
void add1(I i,I j,I dep){
  deps[i][j]=dep;
  que.push_front({i,j});
}
void add2(I i,I j,I dep){
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 70 / 70