[牛客tracker] 构造数独 随笔

题目链接

本题目解法：构造斜对角线

#include <bits/stdc++.h>

using namespace std;

int main(){
    int n,k;
    cin >> n >> k;
    for(int i = 0;i < n;i++){
        for(int j = 0;j < n;j++){
            if(j == i){
                cout << k << " ";
            }else{
                cout << 0 << " ";
            }
        }
        cout << endl;
    }
    return 0;
}