제출 #608387

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
608387	2022-07-27 07:23:14	nguyentu	포탈들 (BOI14_portals)	C++14	100 / 100	545 ms	112972 KiB

portals

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#include <bits/stdc++.h>
#pragma GCC target("avx2")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
using namespace std;
#define ii pair<int , int>  
#define iv pair<ii , ii>
#define iii pair<int , ii>
#define fi first
#define se second
#define int long long
const int inf = 1e18 + 7;
const int MAX_N = 1e3 + 7 ;
const int MOD = 1e9 + 7;
int dx[] = {1 , -1 , 0 , 0};
int dy[] = {0 , 0 , 1 , -1};
char a[MAX_N][MAX_N];
int n , m;
int neleft[MAX_N][MAX_N] , neright[MAX_N][MAX_N];
int neup[MAX_N][MAX_N] , nedown[MAX_N][MAX_N];
int dist[MAX_N][MAX_N];
vector<int> b[MAX_N][MAX_N];
bool check(int x , int y) {
    return (1 <= x && 1 <= y && x <= n && y <= m);
 
 
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