题目链接

逆天抽象局，ab都是构造题，

A. Find K Distinct Points with Fixed Center

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#include<iostream>
#define int long long
using namespace std;

int t , x , y , k;
signed main(){
    cin >> t;
    while( t -- ){
        cin >> x >> y >> k;
        if( k % 2 ){
            cout << x << " " << y << endl;
            for(int i = 1;i <= (k-1)/2;i ++){
                cout << x-i << " " << y << endl;
                cout << x+i << " " << y << endl;
            }
        }
        else{
            for(int i = 1;i <= k/2;i ++){
                cout << x-i << " " << y << endl;
                cout << x+i << " " << y << endl;
            }
        }
    }
    return 0;
}

B. Minimize Equal Sum Subarrays

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#include<iostream>
#define int long long
using namespace std;

const int N = 2e5;
int n;
int a[N+10];

signed main(){
    int t;cin >> t;
    while( t -- ){
        cin >> n;
        for(int i = 1;i <= n;i ++){
            cin >> a[i];
        }
        for(int i = 2;i <= n;i ++){
            cout << a[i] << " ";
        }cout << a[1] << endl;
    }
    return 0;
}