#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define sp << ' ' <<
#define nl << '\n'
signed main(){
cin.tie(0)->sync_with_stdio(0);
int n, m; cin >> n >> m; --m;
int a[n][n][n][n];
for(int i=0; i<n; ++i)
for(int j=0; j<n; ++j)
for(int k=0; k<n; ++k)
for(int &l : a[i][j][k]) cin >> l;
for(int i=0; i<n; ++i){
for(int j=0; j<n; ++j){
for(int k=0; k<n; ++k){
deque<int> q;
for(int l=0; l<n; ++l){
if(!q.empty() && q.front() < l-m) q.pop_front();
while(!q.empty() && a[i][j][k][q.back()] >= a[i][j][k][l]) q.pop_back();
q.push_back(l);
if(l >= m) a[i][j][k][l-m] = a[i][j][k][q.front()];
}
}
for(int l=0; l<n-m; ++l){
deque<int> q;
for(int k=0; k<n; ++k){
if(!q.empty() && q.front() < k-m) q.pop_front();
while(!q.empty() && a[i][j][q.back()][l] >= a[i][j][k][l]) q.pop_back();
q.push_back(k);
if(k >= m) a[i][j][k-m][l] = a[i][j][q.front()][l];
}
}
}
}
for(int k=0; k<n-m; ++k){
for(int l=0; l<n-m; ++l){
for(int i=0; i<n; ++i){
deque<int> q;
for(int j=0; j<n; ++j){
if(!q.empty() && q.front() < j-m) q.pop_front();
while(!q.empty() && a[i][q.back()][k][l] >= a[i][j][k][l]) q.pop_back();
q.push_back(j);
if(j >= m) a[i][j-m][k][l] = a[i][q.front()][k][l];
}
}
for(int j=0; j<n-m; ++j){
deque<int> q;
for(int i=0; i<n; ++i){
if(!q.empty() && q.front() < i-m) q.pop_front();
while(!q.empty() && a[q.back()][j][k][l] >= a[i][j][k][l]) q.pop_back();
q.push_back(i);
if(i >= m) a[i-m][j][k][l] = a[q.front()][j][k][l];
}
}
}
}
for(int i=0; i<n-m; ++i)
for(int j=0; j<n-m; ++j)
for(int k=0; k<n-m; ++k)
for(int l=0; l<n-m; ++l)
cout << a[i][j][k][l] << ' ';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
320 KB |
Output is correct |
3 |
Correct |
2 ms |
448 KB |
Output is correct |
4 |
Correct |
3 ms |
460 KB |
Output is correct |
5 |
Correct |
3 ms |
460 KB |
Output is correct |
6 |
Correct |
12 ms |
1220 KB |
Output is correct |
7 |
Correct |
9 ms |
1100 KB |
Output is correct |
8 |
Correct |
25 ms |
1868 KB |
Output is correct |
9 |
Correct |
47 ms |
3596 KB |
Output is correct |
10 |
Correct |
28 ms |
1928 KB |
Output is correct |
11 |
Correct |
78 ms |
4364 KB |
Output is correct |
12 |
Correct |
152 ms |
8164 KB |
Output is correct |
13 |
Correct |
121 ms |
7012 KB |
Output is correct |
14 |
Correct |
229 ms |
12768 KB |
Output is correct |
15 |
Correct |
384 ms |
21452 KB |
Output is correct |
16 |
Correct |
184 ms |
9952 KB |
Output is correct |
17 |
Correct |
239 ms |
11332 KB |
Output is correct |
18 |
Correct |
444 ms |
25516 KB |
Output is correct |
19 |
Correct |
283 ms |
14532 KB |
Output is correct |
20 |
Correct |
223 ms |
12428 KB |
Output is correct |