Submission #1678142
Source Code Expand
#include "bits/stdc++.h"
#define REP(i,n) for(ll i=0;i<ll(n);++i)
#define RREP(i,n) for(ll i=ll(n)-1;i>=0;--i)
#define FOR(i,m,n) for(ll i=m;i<ll(n);++i)
#define RFOR(i,m,n) for(ll i=ll(n)-1;i>=ll(m);--i)
#define ALL(v) (v).begin(),(v).end()
#define UNIQUE(v) v.erase(unique(ALL(v)),v.end());
#define DUMP(v) REP(aa, (v).size()) { cout << v[aa]; if (aa != v.size() - 1)cout << " "; else cout << endl; }
#define INF 1000000001ll
#define MOD 1000000007ll
#define EPS 1e-9
const int dx[8] = { 1,1,0,-1,-1,-1,0,1 };
const int dy[8] = { 0,1,1,1,0,-1,-1,-1 };
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<vi> vvi;
typedef vector<vl> vvl;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
ll max(ll a, int b) { return max(a, ll(b)); }
ll max(int a, ll b) { return max(ll(a), b); }
ll min(ll a, int b) { return min(a, ll(b)); }
ll min(int a, ll b) { return min(ll(a), b); }
///(´・ω・`)(´・ω・`)(´・ω・`)(´・ω・`)(´・ω・`)(´・ω・`)///
int main() {
cin.tie(0);
ios::sync_with_stdio(false);
int r, c, sy, sx, gy, gx;
cin >> r >> c >> sy >> sx >> gy >> gx;
sy--; sx--; gy--; gx--;
vector<string> v(r);
REP(i, r)cin >> v[i];
queue<pii> q;
vvi d(r, vi(c, INF));
d[sy][sx] = 0;
q.push({ sx,sy });
while (!q.empty()) {
int x = q.front().first, y = q.front().second;
q.pop();
REP(i, 4) {
int nx = dx[i * 2] + x, ny = dy[i * 2] + y;
if (nx < 0 || ny < 0 || nx >= c || ny >= r)continue;
if (v[ny][nx] == '.'&&d[ny][nx]==INF) {
q.push({ nx,ny });
d[ny][nx] = d[y][x] + 1;
}
}
}
cout << d[gy][gx] << endl;
}
Submission Info
Submission Time |
|
Task |
C - 幅優先探索 |
User |
etonagisa |
Language |
C++14 (GCC 5.4.1) |
Score |
100 |
Code Size |
1684 Byte |
Status |
AC |
Exec Time |
1 ms |
Memory |
256 KB |
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
100 / 100 |
Status |
|
|
Set Name |
Test Cases |
Sample |
subtask0_sample01.txt, subtask0_sample02.txt, subtask0_sample03.txt |
All |
subtask0_sample01.txt, subtask0_sample02.txt, subtask0_sample03.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt, subtask1_21.txt, subtask1_22.txt |
Case Name |
Status |
Exec Time |
Memory |
subtask0_sample01.txt |
AC |
1 ms |
256 KB |
subtask0_sample02.txt |
AC |
1 ms |
256 KB |
subtask0_sample03.txt |
AC |
1 ms |
256 KB |
subtask1_01.txt |
AC |
1 ms |
256 KB |
subtask1_02.txt |
AC |
1 ms |
256 KB |
subtask1_03.txt |
AC |
1 ms |
256 KB |
subtask1_04.txt |
AC |
1 ms |
256 KB |
subtask1_05.txt |
AC |
1 ms |
256 KB |
subtask1_06.txt |
AC |
1 ms |
256 KB |
subtask1_07.txt |
AC |
1 ms |
256 KB |
subtask1_08.txt |
AC |
1 ms |
256 KB |
subtask1_09.txt |
AC |
1 ms |
256 KB |
subtask1_10.txt |
AC |
1 ms |
256 KB |
subtask1_11.txt |
AC |
1 ms |
256 KB |
subtask1_12.txt |
AC |
1 ms |
256 KB |
subtask1_13.txt |
AC |
1 ms |
256 KB |
subtask1_14.txt |
AC |
1 ms |
256 KB |
subtask1_15.txt |
AC |
1 ms |
256 KB |
subtask1_16.txt |
AC |
1 ms |
256 KB |
subtask1_17.txt |
AC |
1 ms |
256 KB |
subtask1_18.txt |
AC |
1 ms |
256 KB |
subtask1_19.txt |
AC |
1 ms |
256 KB |
subtask1_20.txt |
AC |
1 ms |
256 KB |
subtask1_21.txt |
AC |
1 ms |
256 KB |
subtask1_22.txt |
AC |
1 ms |
256 KB |