44 lines
851 B
C++
44 lines
851 B
C++
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//AC
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#include <iostream>
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using namespace std;
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const int MAX_N=39+5;
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int main(){
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ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
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int n;
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cin>>n;
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n=n/2*2+1;
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int a[MAX_N][MAX_N];
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for(int i=0;i<MAX_N;i++){
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for(int j=0;j<MAX_N;j++){
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a[i][j]=0;
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}
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}
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const int pow_n = n*n;
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int x=1,y=n/2+1;
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a[x][y]=1;
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for(int i=2;i<=pow_n;i++){
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if(x==1&&y!=n){
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x=n,y+=1;
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}else if(y==n&&x!=1){
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x-=1,y=1;
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}else if(x==1&&y==n){
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x+=1;
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}else if(x!=1&&y!=n){
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if(a[x-1][y+1]==0){
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x-=1,y+=1;
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}else{
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x+=1;
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}
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}
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a[x][y]=i;
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}
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for(int i=1;i<=n;i++){
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for(int j=1;j<=n;j++){
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cout<<a[i][j]<<" ";
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}
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cout<<endl;
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}
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}
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