#include <bits/stdc++.h>
using namespace std;
class min_queue{
public:
void del(){
while (ae>=0) {
a.pop_back();
ae--;
}
while(be>=0){
b.pop_back();
be--;
}
}
void push(int k){
if (ae!=-1) a.push_back(make_pair(k,min(k,a[ae].second)));
else a.push_back(make_pair(k,k));
ae++;
}
void pop(){
if (be==-1){
b.push_back(make_pair(a[ae].first,a[ae].first));
ae--;
a.pop_back();
be++;
while(ae>=0){
b.push_back(make_pair(a[ae].first,min(a[ae].first,b[be].second)));
a.pop_back();
ae--;
be++;
}
}
b.pop_back();
be--;
}
int mn(){
int am=ae>=0?a[ae].second:INT_MAX;
int bm=be>=0?b[be].second:INT_MAX;
return min(am,bm);
}
min_queue(){
ae=-1;
be=-1;
}
private:
vector <pair<int,int > > a;
vector <pair<int,int > > b;
int ae,be;
};
const int N=37;
min_queue q;
int a[N][N][N][N];
int b1[N][N][N][N];
int b2[N][N][N][N];
int b3[N][N][N][N];
int b4[N][N][N][N];
int main()
{
ios_base::sync_with_stdio(false);
int n,m;
cin>>n>>m;
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)
for(int k=1;k<=n;++k)
for(int l=1;l<=n;++l)
cin>>a[i][j][k][l];
for(int j=1;j<=n;++j)
for(int k=1;k<=n;++k)
for(int l=1;l<=n;++l){
q.del();
for(int i=1;i<m;++i){
q.push(a[i][j][k][l]);
}
for(int i=m;i<=n;++i){
q.push(a[i][j][k][l]);
b1[i-m+1][j][k][l]=q.mn();
q.pop();
}
}
for(int i=1;i<=n-m+1;i++)
for(int k=1;k<=n;++k)
for(int l=1;l<=n;++l){
q.del();
for(int j=1;j<m;++j){
q.push(b1[i][j][k][l]);
}
for(int j=m;j<=n;++j){
q.push(b1[i][j][k][l]);
b2[i][j-m+1][k][l]=q.mn();
q.pop();
}
}
for(int i=1;i<=n-m+1;++i)
for(int j=1;j<=n-m+1;++j)
for(int l=1;l<=n;++l){
q.del();
for(int k=1;k<m;++k){
q.push(b2[i][j][k][l]);
}
for(int k=m;k<=n;++k){
q.push(b2[i][j][k][l]);
b3[i][j][k-m+1][l]=q.mn();
q.pop();
}
}
for(int i=1;i<=n-m+1;++i)
for(int j=1;j<=n-m+1;++j)
for(int k=1;k<=n-m+1;++k){
q.del();
for(int l=1;l<m;++l){
q.push(b3[i][j][k][l]);
}
for(int l=m;l<=n;++l){
q.push(b3[i][j][k][l]);
b4[i][j][k][l-m+1]=q.mn();
q.pop();
}
}
for(int i=1;i<=n-m+1;++i)
for(int j=1;j<=n-m+1;++j)
for(int k=1;k<=n-m+1;++k)
for(int l=1;l<=n-m+1;++l){
cout<<b4[i][j][k][l]<<" ";
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
38784 KB |
Output is correct |
2 |
Correct |
0 ms |
38784 KB |
Output is correct |
3 |
Correct |
0 ms |
38784 KB |
Output is correct |
4 |
Runtime error |
3 ms |
38784 KB |
Execution killed because of forbidden syscall writev (20) |
5 |
Halted |
0 ms |
0 KB |
- |