QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#796193 | #6534. Peg Solitaire | DangX | AC ✓ | 0ms | 3656kb | C++20 | 2.9kb | 2024-12-01 14:02:00 | 2024-12-01 14:02:00 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
#define endl "\n"
using namespace std;
int n, m, k, ans;
int mp[20][20];
void DFS(int nowans)
{
ans = min(nowans, ans);
for (int i = 1; i <= n; i++)
{
for (int j = 1; j <= m; j++)
{
if (mp[i][j] == 1)
{
if (i >= 1 && i <= n)
{
// 向下走
if (mp[i + 1][j] == 1 && mp[i + 2][j] == 0)
{
mp[i][j] = 0;
mp[i + 1][j] = 0;
mp[i + 2][j] = 1;
DFS(nowans - 1);
mp[i][j] = 1;
mp[i + 1][j] = 1;
mp[i + 2][j] = 0;
}
// 向上走
if (mp[i - 1][j] == 1 && mp[i - 2][j] == 0)
{
mp[i][j] = 0;
mp[i - 1][j] = 0;
mp[i - 2][j] = 1;
DFS(nowans - 1);
mp[i][j] = 1;
mp[i - 1][j] = 1;
mp[i - 2][j] = 0;
}
}
if (j >= 1 && j <= m)
{
// 向左走
if (mp[i][j - 1] == 1 && mp[i][j - 2] == 0)
{
mp[i][j] = 0;
mp[i][j - 1] = 0;
mp[i][j - 2] = 1;
DFS(nowans - 1);
mp[i][j] = 1;
mp[i][j - 1] = 1;
mp[i][j - 2] = 0;
}
// 向右走
if (mp[i][j + 1] == 1 && mp[i][j + 2] == 0)
{
mp[i][j] = 0;
mp[i][j + 1] = 0;
mp[i][j + 2] = 1;
DFS(nowans - 1);
mp[i][j] = 1;
mp[i][j + 1] = 1;
mp[i][j + 2] = 0;
}
}
}
}
}
}
signed main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int T;
cin >> T;
while (T--)
{
cin >> n >> m >> k;
memset(mp, 0, sizeof(mp));
for (int i = 0; i <= n + 1; i++)
{
mp[i][0] = -1;
mp[i][m + 1] = -1;
}
for (int i = 0; i <= m + 1; i++)
{
mp[0][i] = -1;
mp[n + 1][i] = -1;
}
for (int i = 1; i <= k; i++)
{
int x, y;
cin >> x >> y;
mp[x][y] = 1;
}
ans = k;
DFS(k);
cout << ans << endl;
}
return 0;
} /*Orz Orz Orz ACACAC*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3584kb
input:
3 3 4 5 2 2 1 2 1 4 3 4 1 1 1 3 3 1 1 1 2 1 3 2 1 1 2 1
output:
2 3 1
result:
ok 3 number(s): "2 3 1"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3644kb
input:
20 2 1 2 1 1 2 1 5 1 3 3 1 2 1 4 1 3 3 6 1 2 2 2 1 1 2 3 3 1 3 2 4 4 4 2 3 3 1 3 2 1 2 1 1 1 1 1 5 2 6 3 2 4 1 2 1 5 2 2 2 5 1 1 3 1 1 2 1 5 1 1 5 4 6 5 4 6 4 4 2 3 4 3 1 6 6 6 3 2 4 1 3 2 1 2 2 2 2 1 1 1 5 3 4 2 2 5 1 4 3 3 2 6 5 6 5 5 6 5 2 4 2 1 3 4 1 4 2 6 5 1 6 2 1 1 4 2 3 1 3 3 5 6 2 1 3 3 1 5...
output:
2 2 3 1 1 2 1 1 3 3 2 1 3 3 2 1 3 1 2 2
result:
ok 20 numbers
Test #3:
score: 0
Accepted
time: 0ms
memory: 3648kb
input:
20 2 1 1 2 1 4 3 2 4 3 1 1 6 4 6 4 3 5 4 4 2 3 2 3 4 2 3 3 6 4 3 1 2 6 2 4 3 5 6 6 6 3 3 3 6 4 2 3 2 4 1 1 4 3 3 1 1 1 2 3 2 2 2 2 1 3 2 2 1 2 2 2 3 4 5 2 1 3 4 3 1 2 2 3 2 2 5 5 1 5 2 3 2 5 1 4 2 2 5 6 6 5 1 2 2 1 4 5 3 4 4 1 1 2 3 4 1 1 1 2 2 2 2 1 2 3 4 1 1 2 1 1 2 2 2 6 3 6 4 2 4 1 1 3 6 2 3 3 2...
output:
1 2 2 4 4 1 1 1 2 2 6 2 2 3 4 1 1 1 3 2
result:
ok 20 numbers
Test #4:
score: 0
Accepted
time: 0ms
memory: 3648kb
input:
20 1 5 3 1 2 1 3 1 1 5 6 6 5 4 2 4 4 4 4 6 2 5 3 3 5 2 4 4 1 3 1 4 2 5 2 6 3 6 3 1 5 2 3 2 4 1 4 3 3 3 5 3 5 5 2 2 2 3 1 4 3 3 2 6 1 4 3 1 5 1 1 1 4 1 3 5 6 1 1 2 1 3 4 1 5 2 2 3 3 2 5 2 2 5 2 1 5 4 6 1 3 4 3 2 2 1 2 3 3 2 3 2 3 3 2 3 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 6 4 5 2 1 6 2 3 2 1 2 4 2 5...
output:
2 1 2 2 1 2 3 2 2 3 1 1 1 3 2 2 2 3 2 1
result:
ok 20 numbers
Test #5:
score: 0
Accepted
time: 0ms
memory: 3656kb
input:
20 6 6 6 2 4 3 4 3 3 4 3 4 2 5 2 6 6 6 2 4 3 4 3 3 4 3 4 2 5 2 6 6 6 2 4 3 4 3 3 4 3 4 2 5 2 6 6 6 2 4 3 4 3 3 4 3 4 2 5 2 6 6 6 2 4 3 4 3 3 4 3 4 2 5 2 6 6 6 2 4 3 4 3 3 4 3 4 2 5 2 6 6 6 2 4 3 4 3 3 4 3 4 2 5 2 6 6 6 2 4 3 4 3 3 4 3 4 2 5 2 6 6 6 2 4 3 4 3 3 4 3 4 2 5 2 6 6 6 2 4 3 4 3 3 4 3 4 2 5...
output:
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
result:
ok 20 numbers