Codeforces 417E

#include<iostream>
#include<cstring>
#include<cstdio>
#include<cmath>
#include<cstdlib>
using namespace std;

bool judge(int s)
{
    int k = sqrt(s);
    return k*k == s;
}
int main()
{
    int n,m;
    int a,b,c,d;
    scanf("%d%d",&n,&m);
    while (true)
    {
        a = rand()%100 + 1;
        b = rand()%100 + 1;
        c = rand()%100 + 1;
        d = rand()%100 + 1;
        if (judge(a*a*(m-1) + b*b)
            &&judge(a*a*(n-1)+c*c)
            &&judge(b*b*(n-1)+d*d)
            &&judge(c*c*(m-1)+d*d))
            break;
    }
    for (int i = 1;i<n;i++)
    {
        for (int j = 1;j<m;j++)
        printf("%d ",a);
        printf("%d
",b);
    }
    for (int i = 1;i<m;i++)
    printf("%d ",c);
    printf("%d
",d);
    return 0;
}

随机构造