#include <bits/stdc++.h>
using namespace std;
#define scd(t) scanf("%d", &t)
#define scld(t) scanf("%ld", &t)
#define sclld(t) scanf("%lld", &t)
#define scc(t) scanf("%c", &t)
#define scs(t) scanf("%s", t)
#define scf(t) scanf("%f", &t)
#define sclf(t) scanf("%lf", &t)
#define forr(i, j, k) for (int i = j; i < k; i++)
#define frange(i, j) forr(i, 0, j)
#define all(cont) cont.begin(), cont.end()
#define mp make_pair
#define pb push_back
#define f first
#define s second
typedef long int li;
typedef unsigned long int uli;
typedef long long int lli;
typedef unsigned long long int ulli;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<lli> vll;
typedef vector<string> vs;
typedef vector<pii> vii;
typedef vector<vi> vvi;
typedef map<int, int> mpii;
typedef set<int> seti;
typedef multiset<int> mseti;
typedef long double ld;
int main()
{
int h, w;
cin >> h >> w;
vector<string> vec(h);
frange(i, h) cin >> vec[i];
deque<pii> dq;
vector<vb> vis(h, vb(w));
vvi dist(h, vi(w, 0));
dq.pb({0, 0});
dist[0][0] = 1;
vii pos;
pos.pb({0, 1});
// pos.pb({0, -1});
pos.pb({1, 0});
// pos.pb({-1, 0});
int ans = 1;
while (dq.size())
{
auto p = dq.front();
dq.pop_front();
if (vis[p.f][p.s])
continue;
vis[p.f][p.s] = true;
ans = max(ans, dist[p.f][p.s]);
for (auto e : pos)
{
if (0 <= p.f + e.f && p.f + e.f < h && 0 <= p.s + e.s && p.s + e.s < w && vec[p.f + e.f][p.s + e.s] != '.')
{
int w = 0;
if (vec[p.f][p.s] != vec[p.f + e.f][p.s + e.s])
{
w = 1;
}
if (dist[p.f + e.f][p.s + e.s] == 0)
{
dist[p.f + e.f][p.s + e.s] = dist[p.f][p.s] + w;
if (w)
dq.pb({p.f + e.f, p.s + e.s});
else
dq.push_front({p.f + e.f, p.s + e.s});
}
}
}
}
printf("%d", ans);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
14 ms |
2004 KB |
Output isn't correct |
2 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
3 |
Incorrect |
1 ms |
304 KB |
Output isn't correct |
4 |
Incorrect |
8 ms |
1336 KB |
Output isn't correct |
5 |
Incorrect |
3 ms |
824 KB |
Output isn't correct |
6 |
Incorrect |
1 ms |
300 KB |
Output isn't correct |
7 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
8 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
9 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
10 |
Incorrect |
3 ms |
724 KB |
Output isn't correct |
11 |
Incorrect |
3 ms |
468 KB |
Output isn't correct |
12 |
Incorrect |
6 ms |
852 KB |
Output isn't correct |
13 |
Incorrect |
3 ms |
852 KB |
Output isn't correct |
14 |
Incorrect |
3 ms |
824 KB |
Output isn't correct |
15 |
Incorrect |
10 ms |
2104 KB |
Output isn't correct |
16 |
Incorrect |
14 ms |
2052 KB |
Output isn't correct |
17 |
Incorrect |
10 ms |
2004 KB |
Output isn't correct |
18 |
Incorrect |
7 ms |
1364 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
980 KB |
Output isn't correct |
2 |
Incorrect |
48 ms |
10572 KB |
Output isn't correct |
3 |
Incorrect |
374 ms |
106528 KB |
Output isn't correct |
4 |
Incorrect |
106 ms |
26408 KB |
Output isn't correct |
5 |
Incorrect |
199 ms |
57076 KB |
Output isn't correct |
6 |
Incorrect |
806 ms |
107724 KB |
Output isn't correct |
7 |
Incorrect |
3 ms |
1108 KB |
Output isn't correct |
8 |
Incorrect |
3 ms |
980 KB |
Output isn't correct |
9 |
Incorrect |
3 ms |
624 KB |
Output isn't correct |
10 |
Incorrect |
2 ms |
444 KB |
Output isn't correct |
11 |
Incorrect |
3 ms |
980 KB |
Output isn't correct |
12 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
13 |
Incorrect |
46 ms |
10572 KB |
Output isn't correct |
14 |
Incorrect |
27 ms |
6664 KB |
Output isn't correct |
15 |
Incorrect |
23 ms |
7244 KB |
Output isn't correct |
16 |
Incorrect |
19 ms |
4324 KB |
Output isn't correct |
17 |
Incorrect |
119 ms |
28460 KB |
Output isn't correct |
18 |
Incorrect |
90 ms |
28108 KB |
Output isn't correct |
19 |
Incorrect |
100 ms |
26440 KB |
Output isn't correct |
20 |
Incorrect |
77 ms |
24340 KB |
Output isn't correct |
21 |
Incorrect |
204 ms |
58972 KB |
Output isn't correct |
22 |
Incorrect |
200 ms |
57040 KB |
Output isn't correct |
23 |
Incorrect |
224 ms |
48840 KB |
Output isn't correct |
24 |
Incorrect |
206 ms |
58024 KB |
Output isn't correct |
25 |
Incorrect |
357 ms |
106188 KB |
Output isn't correct |
26 |
Correct |
505 ms |
71540 KB |
Output is correct |
27 |
Incorrect |
688 ms |
109116 KB |
Output isn't correct |
28 |
Incorrect |
786 ms |
109104 KB |
Output isn't correct |
29 |
Incorrect |
783 ms |
109896 KB |
Output isn't correct |
30 |
Incorrect |
726 ms |
107744 KB |
Output isn't correct |
31 |
Incorrect |
590 ms |
64176 KB |
Output isn't correct |
32 |
Incorrect |
585 ms |
108108 KB |
Output isn't correct |