Submission #608387

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
608387	2022-07-27 07:23:14	nguyentu	Portals (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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• Subtask 1: 11 / 11
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 19 / 19
• Subtask 5: 30 / 30