ProgramAlgTrain/20240828/P2615/P2615.cpp

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2024-08-28 15:08:59 +00:00
//AC
#include <iostream>
using namespace std;
const int MAX_N=39+5;
int main(){
ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
int n;
cin>>n;
n=n/2*2+1;
int a[MAX_N][MAX_N];
for(int i=0;i<MAX_N;i++){
for(int j=0;j<MAX_N;j++){
a[i][j]=0;
}
}
const int pow_n = n*n;
int x=1,y=n/2+1;
a[x][y]=1;
for(int i=2;i<=pow_n;i++){
if(x==1&&y!=n){
x=n,y+=1;
}else if(y==n&&x!=1){
x-=1,y=1;
}else if(x==1&&y==n){
x+=1;
}else if(x!=1&&y!=n){
if(a[x-1][y+1]==0){
x-=1,y+=1;
}else{
x+=1;
}
}
a[x][y]=i;
}
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
cout<<a[i][j]<<" ";
}
cout<<endl;
}
}