有注释😄不怕康不懂

#include <bits/stdc++.h>
using namespace std;
int main(int argc, char **argv){
	int n,i,j;
	cin >> n >> i >> j;
	// 同一行上格子的位置
	for (int y = 1;y <= n;y++){
		printf("(%d,%d) ",i,y);
	}
	cout << "\n";
	// 同一列上格子的位置
	for (int x = 1;x <= n;x++){
		printf("(%d,%d) ",x,j);
	}
	cout << "\n";
	// 左上到右下对角线上的格子的位置
	for (int x = 1;x <= n;x++){	// 左到右
		for (int y = 1;y <= n;y++){	// 上到下
			if (i - x == j - y){	// 判断是否为对角线
				printf("(%d,%d) ",x,y);
			}
		}
	}
	cout << "\n";
	// 左下到右上对角线上的格子的位置
	for (int x = n;x > 0;x--){	// 右到左
		for (int y = n;y > 0;y--){	// 下到上
			if (x - i == j - y){	// 判断是否为对角线
				printf("(%d,%d) ",x,y);
			}
		}
	}
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
int n,x,y;
int main(){
    cin>>n>>x>>y;
    for(int i=1;i<=n;i++) cout<<"("<<x<<","<<i<<")"<<" ";
    cout<<endl;
    for(int i=1;i<=n;i++) cout<<"("<<i<<","<<y<<")"<<" ";
    cout<<endl;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++) if(i-j==x-y) cout<<"("<<i<<","<<j<<")"<<" ";
    cout<<endl;
    for(int i=n;i>=1;i--)
        for(int j=1;j<=n;j++) if(i+j==x+y) cout<<"("<<i<<","<<j<<")"<<" ";
    cout<<endl;
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
short N,i,j;
int main(){
   cin>>N>>i>>j;
   for(int z=1;z<=N;z++){
      cout<<'('<<i<<','<<z<<')'<<' ';
   }cout<<endl;//遍历竖行
   for(int k=1;k<=N;k++){
      cout<<'('<<k<<','<<j<<')'<<' ';
   }cout<<endl;//遍历横行
   for(int k=1;k<=N;k++){
      for(int z=1;z<=N;z++){
         if(k-z==i-j) cout<<'('<<k<<','<<z<<')'<<' ';}
   }cout<<endl;
   //规律=横竖之差相等
   //例(1,2) (2,3) (3,4) 1-2=2-3=3-4
   //1  2  3  4
   //*  x  *  * 1
   //*  *  x  * 2
   //*  *  *  x 3
   //*  *  *  * 4
   for(int k=1;k<=N;k++){
      for(int z=1;z<=N;z++){
         if(k+z==i+j) cout<<'('<<z<<','<<k<<')'<<' ';}
   }cout<<endl;
   //规律=横竖之和相等
   //例(4,1) (3,2) (2,3) (1,4) 4+1=3+2=2+3=1+4
   //1  2  3  4
   //*  *  *  x 1
   //*  *  x  * 2
   //*  x  *  * 3
   //x  *  *  * 4
   return 0;}

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n,x,y;
    cin>>n>>x>>y;
    for(int i=1;i<=n;i++){
        cout<<"("<<x<<","<<i<<")"<<" ";    	
    }
    cout<<endl;
    for(int i=1;i<=n;i++){
        cout<<"("<<i<<","<<y<<")"<<" ";    	
    }
    cout<<endl;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
		    if(i-j==x-y){
		        cout<<"("<<i<<","<<j<<")"<<" ";	
		    }
	    }
    }
    cout<<endl;
    for(int i=n;i>=1;i--){
        for(int j=1;j<=n;j++){
		    if(i+j==x+y){
		        cout<<"("<<i<<","<<j<<")"<<" ";	
		    }
	    }
    }
    cout<<endl;
	return 0;
}

`

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n,x,y;
    cin>>n>>x>>y;
    for(int i=1;i<=n;i++){
        cout<<"("<<x<<","<<i<<")"<<" ";    	
    }
    cout<<endl;
    for(int i=1;i<=n;i++){
        cout<<"("<<i<<","<<y<<")"<<" ";    	
    }
    cout<<endl;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
		    if(i-j==x-y){
		        cout<<"("<<i<<","<<j<<")"<<" ";	
		    }
	    }
    }
    cout<<endl;
    for(int i=n;i>=1;i--){
        for(int j=1;j<=n;j++){
		    if(i+j==x+y){
		        cout<<"("<<i<<","<<j<<")"<<" ";	
		    }
	    }
    }
    cout<<endl;
	return 0;
}