QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#702033 | #6534. Peg Solitaire | libantian# | AC ✓ | 10ms | 4024kb | C++23 | 2.0kb | 2024-11-02 15:08:41 | 2024-11-02 15:08:43 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define INF 0x3f3f3f3f3f3f3f3f
#define pii pair<int,int>
#define fi first
#define se second
#define all(_a) _a.begin(), _a.end()
map<pii,int>mp;
map<map<pii,int>,bool>st;
int res=INF;
int n,m,k;
void dfs(map<pii,int>mp){
if(st[mp])return ;
st[mp]=true;
int cnt=0;
for(int x=1;x<=n;x++){
for(int y=1;y<=m;y++){
if(mp[{x,y}]){
cnt++;
if((x+2<=n)&&mp[{x+1,y}]&&!mp[{x+2,y}]){
auto ne=mp;
ne[{x,y}]=0;
ne[{x+1,y}]=0;
ne[{x+2,y}]=1;
dfs(ne);
}
if((x-2)>=1&&mp[{x-1,y}]&&!mp[{x-2,y}]){
auto ne=mp;
ne[{x,y}]=0;
ne[{x-1,y}]=0;
ne[{x-2,y}]=1;
dfs(ne);
}
if((y+2<=m)&&mp[{x,y+1}]&&!mp[{x,y+2}]){
auto ne=mp;
ne[{x,y}]=0;
ne[{x,y+1}]=0;
ne[{x,y+2}]=1;
dfs(ne);
}
if((y-2)>=1&&mp[{x,y-1}]&&!mp[{x,y-2}]){
auto ne=mp;
ne[{x,y}]=0;
ne[{x,y-1}]=0;
ne[{x,y-2}]=1;
dfs(ne);
}
}
}
}
res=min(res,cnt);
}
void solve(){
mp.clear();
st.clear();
res=INF;
cin>>n>>m>>k;
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++)mp[{i,j}]=0;
}
for(int i=1;i<=k;i++){
int x,y;
cin>>x>>y;
mp[{x,y}]=1;
}
dfs(mp);
cout<<res<<endl;
}
signed main(){
ios::sync_with_stdio(false);
cin.tie(nullptr), cout.tie(nullptr);
cout << setiosflags(ios::fixed) << setprecision(15);
int T;
T=1;
cin>>T;
while(T--)solve();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3800kb
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: 3676kb
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: 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: 1ms
memory: 3604kb
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: 10ms
memory: 4024kb
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