QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#94746 | #5605. A-Mazing Puzzle | PetroTarnavskyi# | AC ✓ | 1985ms | 559764kb | C++17 | 3.0kb | 2023-04-07 17:35:08 | 2023-04-07 17:35:10 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define SZ(a) (int)a.size()
#define ALL(a) a.begin(), a.end()
#define FOR(i, a, b) for (int i = (a); i<(b); ++i)
#define RFOR(i, b, a) for (int i = (b)-1; i>=(a); --i)
#define MP make_pair
#define PB push_back
#define F first
#define S second
typedef long long LL;
typedef pair<int, int> PII;
typedef vector<int> VI;
const int N = 54;
bool br[N][N];
bool bc[N][N];
int df = 0;
int n, m, e;
vector<PII> g[N * N * N * N];
int w[N * N * N * N];
int mn[N * N * N * N];
string dir = "SWNE";
bool fin(int x1, int y1)
{
return (y1 == 0 && x1 == e);
}
PII bl(int x1, int y1, int di)
{
if(fin(x1, y1))
return {x1, y1};
if (di == 0) return {x1, y1 - !br[x1][y1 - 1]};
if (di == 1) return {x1 - !bc[x1 - 1][y1], y1};
if (di == 2) return {x1, y1 + !br[x1][y1]};
if (di == 3) return {x1 + !bc[x1][y1], y1};
assert(0);
}
int calc(int x1, int y1, int x2, int y2)
{
return x1 * N * N * N + y1 * N * N + x2 * N + y2;
}
void out(int v)
{
int y2 = v % N;
v /= N;
int x2 = v % N;
v /= N;
int y1 = v % N;
v /= N;
int x1 = v % N;
v /= N;
cerr << x1 << ' ' << y1 << ' ' << x2 << ' ' << y2 << '\n';
}
void build()
{
FOR(x1, 1, n + 1) FOR(y1, 0, m + 1) FOR(x2, 1, n + 1) FOR(y2, 0, m + 1)
{
if (y1 == 0 && !fin(x1, y1)) continue;
if (y2 == 0 && !fin(x2, y2)) continue;
if (x1 == x2 && y1 == y2) continue;
FOR(di, 0, 4)
{
auto [nx1, ny1] = bl(x1, y1, di);
auto [nx2, ny2] = bl(x2, y2, (di + df) % 4);
int bum = 0;
if (x1 == nx1 && y1 == ny1 && !fin(x1, y1)) bum++;
if (x2 == nx2 && y2 == ny2 && !fin(x2, y2)) bum++;
if (bum == 2) continue;
int X = calc(x1, y1, x2, y2);
int Y = calc(nx1, ny1, nx2, ny2);
g[X].PB({Y, bum});
}
}
}
const int INF = 1e9;
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cin >> n >> m >> e;
int x1, y1, x2, y2;
char c1, c2;
cin >> x1 >> y1 >> c1 >> x2 >> y2 >> c2;
int dir1 = 0;
int dir2 = 0;
FOR(i, 0, 4) if (dir[i] == c1) dir1 = i;
FOR(i, 0, 4) if (dir[i] == c2) dir2 = i;
df = (dir2 + 4 - dir1) % 4;
int sz;
cin >> sz;
FOR(i, 0, sz)
{
int a, b;
cin >> a >> b;
br[a][b] = 1;
}
cin >> sz;
FOR(i, 0, sz)
{
int a, b;
cin >> a >> b;
bc[a][b] = 1;
}
//cout << bc[3][4] << '\n';
//cout << 3 + !bc[3][4] << '\n';
//return 0;
FOR(i, 0, n)
{
if (i + 1 != e) br[i + 1][0] = 1;
br[i + 1][m] = 1;
}
FOR(i, 0, m)
{
bc[0][i + 1] = 1;
bc[n][i + 1] = 1;
}
build();
int st = calc(x1, y1, x2, y2);
FOR(i, 0, N * N * N * N) w[i] = INF;
w[st] = 0;
queue<int> q;
q.push(st);
while(!q.empty())
{
int v = q.front();
//out(v);
q.pop();
for (auto [to, b] : g[v])
{
if (w[to] > w[v] + 1)
{
q.push(to);
w[to] = w[v] + 1;
mn[to] = mn[v] + b;
}
if (w[to] == w[v] + 1)
mn[to] = min(mn[to], mn[v] + b);
}
}
int end = e * N * N * N + e * N;
cout << w[end] << ' ' << mn[end] << '\n';
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 34ms
memory: 237384kb
input:
7 4 4 3 2 S 6 3 S 6 1 1 1 2 1 3 2 3 5 1 5 3 11 2 1 3 1 3 2 5 2 6 2 2 3 4 3 5 3 6 3 3 4 6 4
output:
8 1
result:
ok single line: '8 1'
Test #2:
score: 0
Accepted
time: 33ms
memory: 236172kb
input:
3 4 2 1 3 S 3 2 S 1 3 3 5 1 1 2 1 1 2 1 3 2 3
output:
7 2
result:
ok single line: '7 2'
Test #3:
score: 0
Accepted
time: 1967ms
memory: 558060kb
input:
50 50 4 15 28 W 9 43 E 49 11 47 42 33 3 4 36 49 21 21 15 34 43 5 32 35 3 21 7 1 40 4 22 44 11 40 46 43 13 26 32 6 44 25 31 46 26 7 45 4 18 10 10 21 3 20 31 8 34 40 42 1 48 43 18 17 9 39 17 2 48 25 39 35 45 43 8 2 22 17 6 46 33 1 38 6 28 25 29 32 45 12 11 20 8 48 14 9 2 24 45 38 1 20 34 5 46 24 50 13...
output:
91 52
result:
ok single line: '91 52'
Test #4:
score: 0
Accepted
time: 1985ms
memory: 559068kb
input:
50 50 25 1 50 N 50 50 E 1 45 25 1 16 37
output:
100 26
result:
ok single line: '100 26'
Test #5:
score: 0
Accepted
time: 28ms
memory: 237740kb
input:
10 10 1 10 1 N 10 2 N 0 81 9 1 9 2 9 3 9 4 9 5 9 6 9 7 9 8 9 9 8 10 8 9 8 8 8 7 8 6 8 5 8 4 8 3 8 2 7 1 7 2 7 3 7 4 7 5 7 6 7 7 7 8 7 9 6 10 6 9 6 8 6 7 6 6 6 5 6 4 6 3 6 2 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 4 10 4 9 4 8 4 7 4 6 4 5 4 4 4 3 4 2 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 2 10 2 9 2 8 2 7 2...
output:
120 4
result:
ok single line: '120 4'
Test #6:
score: 0
Accepted
time: 39ms
memory: 236496kb
input:
3 3 1 3 1 N 3 2 N 0 4 1 2 1 3 2 1 2 2
output:
13 4
result:
ok single line: '13 4'
Test #7:
score: 0
Accepted
time: 24ms
memory: 237368kb
input:
4 3 1 4 1 N 4 2 N 0 6 1 2 1 3 2 1 2 2 3 2 3 3
output:
15 4
result:
ok single line: '15 4'
Test #8:
score: 0
Accepted
time: 34ms
memory: 236204kb
input:
5 5 1 2 4 N 2 1 S 2 2 2 2 4 3 1 1 1 3 3 3
output:
9 4
result:
ok single line: '9 4'
Test #9:
score: 0
Accepted
time: 43ms
memory: 237888kb
input:
5 6 5 4 1 E 5 2 S 3 4 1 3 1 2 1 3 4 2 4 3 4 4
output:
11 2
result:
ok single line: '11 2'
Test #10:
score: 0
Accepted
time: 25ms
memory: 236176kb
input:
4 4 3 1 2 E 4 1 W 2 3 2 4 1 5 1 1 2 1 1 3 3 2 3 3
output:
5 2
result:
ok single line: '5 2'
Test #11:
score: 0
Accepted
time: 35ms
memory: 238052kb
input:
10 10 2 1 1 E 6 1 W 1 6 1 1 1 1
output:
8 4
result:
ok single line: '8 4'
Test #12:
score: 0
Accepted
time: 42ms
memory: 237224kb
input:
10 10 2 1 1 E 3 1 W 3 5 5 5 6 5 7 3 9 8 9 7 9 6
output:
6 1
result:
ok single line: '6 1'
Test #13:
score: 0
Accepted
time: 34ms
memory: 236888kb
input:
4 8 2 2 4 S 2 6 S 1 2 2 1 2 5
output:
8 1
result:
ok single line: '8 1'
Test #14:
score: 0
Accepted
time: 34ms
memory: 236196kb
input:
5 10 1 3 2 E 5 2 E 2 3 2 5 2 2 1 1 1 2
output:
9 3
result:
ok single line: '9 3'
Test #15:
score: 0
Accepted
time: 35ms
memory: 237000kb
input:
10 10 2 2 3 S 3 3 E 4 2 1 3 1 2 2 3 2 3 1 2 2 2 3 2
output:
11 2
result:
ok single line: '11 2'
Test #16:
score: 0
Accepted
time: 33ms
memory: 235876kb
input:
1 5 1 1 2 S 1 3 S 1 1 4 0
output:
3 0
result:
ok single line: '3 0'
Test #17:
score: 0
Accepted
time: 1815ms
memory: 558240kb
input:
50 50 49 14 39 N 30 28 N 50 1 3 30 21 26 11 32 37 7 14 46 49 44 46 17 16 46 38 42 25 7 9 38 29 22 15 6 20 20 34 49 7 48 27 19 18 27 8 29 17 22 41 11 8 6 43 20 29 13 47 14 46 31 43 18 43 40 28 39 35 2 13 31 47 23 35 37 46 3 1 18 11 9 39 31 22 28 12 15 14 24 23 35 47 16 3 13 19 35 5 6 30 18 46 44 2 30...
output:
74 0
result:
ok single line: '74 0'
Test #18:
score: 0
Accepted
time: 1796ms
memory: 559764kb
input:
50 50 28 39 24 W 50 30 N 48 4 35 19 38 23 43 12 49 26 35 20 40 24 9 29 41 2 16 23 36 26 40 45 5 31 10 41 49 34 44 39 4 2 8 40 11 10 40 10 13 18 6 18 28 2 4 17 22 41 38 20 29 6 35 35 20 42 47 32 21 20 38 17 33 42 45 21 4 39 32 49 32 26 3 11 28 12 6 28 47 2 42 29 14 22 23 34 40 47 23 47 26 39 16 1 17 ...
output:
67 29
result:
ok single line: '67 29'
Test #19:
score: 0
Accepted
time: 1927ms
memory: 559624kb
input:
50 50 31 17 31 S 9 3 S 48 43 19 48 37 39 21 27 23 9 22 35 3 35 15 15 20 18 2 48 3 8 25 28 44 33 23 36 21 49 27 22 12 34 14 30 32 25 17 45 38 41 36 3 17 47 18 34 17 4 38 20 28 21 41 17 6 11 10 1 11 8 41 43 32 30 9 11 2 2 29 3 46 39 20 34 5 29 22 38 3 11 32 8 29 2 33 10 19 37 3 47 37 1 9 29 27 48 18 4...
output:
53 8
result:
ok single line: '53 8'
Test #20:
score: 0
Accepted
time: 1725ms
memory: 558852kb
input:
50 50 35 47 40 N 20 27 N 50 38 4 24 32 7 49 46 46 35 15 5 10 2 21 6 48 38 31 25 24 34 16 16 34 41 6 40 37 8 9 11 28 29 18 13 12 5 18 32 40 17 11 38 28 31 8 13 31 41 10 42 23 27 4 28 20 40 49 8 25 33 13 11 49 15 30 14 27 15 22 31 10 10 6 30 3 42 7 46 16 14 1 37 17 8 17 24 2 41 11 35 14 46 45 26 21 12...
output:
68 18
result:
ok single line: '68 18'
Test #21:
score: 0
Accepted
time: 47ms
memory: 238532kb
input:
10 10 1 3 1 N 3 2 N 0 81 9 1 9 2 9 3 9 4 9 5 9 6 9 7 9 8 9 9 8 10 8 9 8 8 8 7 8 6 8 5 8 4 8 3 8 2 7 1 7 2 7 3 7 4 7 5 7 6 7 7 7 8 7 9 6 10 6 9 6 8 6 7 6 6 6 5 6 4 6 3 6 2 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 4 10 4 9 4 8 4 7 4 6 4 5 4 4 4 3 4 2 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 2 10 2 9 2 8 2 7 2 6...
output:
42 4
result:
ok single line: '42 4'
Test #22:
score: 0
Accepted
time: 32ms
memory: 236824kb
input:
4 4 1 4 1 N 4 2 N 0 9 1 1 1 2 1 3 2 2 2 3 2 4 3 1 3 2 3 3
output:
24 4
result:
ok single line: '24 4'
Test #23:
score: 0
Accepted
time: 795ms
memory: 547504kb
input:
50 50 1 1 50 N 50 50 E 0 0
output:
100 1
result:
ok single line: '100 1'
Test #24:
score: 0
Accepted
time: 1542ms
memory: 555428kb
input:
50 50 28 39 24 W 50 30 N 0 1 40 17
output:
67 28
result:
ok single line: '67 28'
Test #25:
score: 0
Accepted
time: 105ms
memory: 260792kb
input:
25 25 14 19 12 W 25 15 N 0 1 20 8
output:
34 13
result:
ok single line: '34 13'
Test #26:
score: 0
Accepted
time: 49ms
memory: 246868kb
input:
25 16 14 19 9 W 25 12 N 0 1 20 5
output:
31 13
result:
ok single line: '31 13'
Test #27:
score: 0
Accepted
time: 41ms
memory: 239848kb
input:
12 16 1 6 9 W 12 12 N 0 1 7 5
output:
31 13
result:
ok single line: '31 13'