QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#141504 | #6534. Peg Solitaire | cy1999 | AC ✓ | 1ms | 3560kb | C++20 | 815b | 2023-08-17 15:31:08 | 2023-08-17 15:31:10 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
bool a[10][10];
int dx[4]={0,1,0,-1};
int dy[4]={1,0,-1,0};
int ans,n,m,k;
void dfs(int num)
{
ans=min(ans,num);
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
if(!a[i][j]) continue;
for(int k=0;k<4;k++)
{
int xx=i+dx[k],yy=j+dy[k],rx=i-dx[k],ry=j-dy[k];
if(xx>=1&&xx<=n&&yy>=1&&yy<=m&&a[xx][yy]&&rx>=1&&rx<=n&&ry>=1&&ry<=m&&!a[rx][ry])
{
a[i][j]=0;
a[xx][yy]=0;
a[rx][ry]=1;
dfs(num-1);
a[i][j]=1;
a[xx][yy]=1;
a[rx][ry]=0;
}
}
}
}
}
int main()
{
int t;
cin>>t;
while(t--)
{
memset(a,0,sizeof(a));
cin>>n>>m>>k;
for(int i=1;i<=k;i++)
{
int x,y;
cin>>x>>y;
a[x][y]=1;
}
ans=k;
dfs(k);
cout<<ans<<'\n';
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3396kb
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: 1ms
memory: 3560kb
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: 1ms
memory: 3460kb
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: 3444kb
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: 3452kb
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