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- #include <iostream>
- using namespace std;
- int main() {
- int a[20][20],i,j,n;
- cin>>n;
- for(i=1;i<=n;i++){
- for(j=1;j<=n;j++){
- a[i][j]=3;
- }
- }
- for(i=1;i<=n;i++){
- a[i][i]=0;
- a[i][n-i+1]=0;
- }
- for(i=1;i<=n/2;i++){
- for(j=i+1;j<=n-i;j++){
- a[i][j]=1;
- }
- }
- for(i=n/2+1;i<=n;i++){
- for(j=n-i+2;j<i;j++){
- a[i][j]=2;
- }
- }
- for(i=1;i<=n;i++){
- for(j=1;j<=n;j++) {
- cout<<a[i][j]<<' ';
- }
- cout<<endl;
- }
- return 0;
- }
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