제출 #493650

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
493650	2021-12-12 13:52:33	_Monkey_	Tracks in the Snow (BOI13_tracks)	C++17	100 / 100	618 ms	105440 KiB

tracks

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#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define el '\n'
#define ld long double
const int maxn=4e3+1,oo=1e9;
char c[maxn][maxn];
bool ok[maxn][maxn]={0};
int n,m,ans,x,y,nx,ny;
char cnt;
struct pnt{
    int x,y;
};
int dx[]={-1,0,1,0},dy[]={0,1,0,-1};
vector<pnt> now,net;
bool check(int xx,int yy){
    if(!ok[xx][yy]) return 0;
    ok[xx][yy]=0;
    return 1;
}
int main(){
    //freopen("T.INP","r",stdin);
    //freopen("T.OUT","w",stdout);
    ios_base::sync_with_stdio(0);cin.tie(0);
    cin >> n >> m;
    for(int i=1;i<=n;++i)
        for(int j=1;j<=m;++j){
            cin >> c[i][j];
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 70 / 70