#include...-20221212-161418.docx
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2022-12-12
16:14:38
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#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <cmath>
using namespace std;
const int N=15;
const double eps=1e-5;
int n; double x[N][N];
double a[N][N],sum[N],res[N];
void init(void)
{
scanf("%d",&n);
for (int i=1;i<=n+1;i++)
for (int j=1;j<=n;j++)
scanf("%lf",&x[i][j]);
for (int i=1;i<=n+1;i++)
for (int j=1;j<=n;j++)
sum[i]+=x[i][j]*x[i][j];
for (int i=1;i<=n;i++)
{
for (int j=1;j<=n;j++)
a[i][j]=x[i+1][j]-x[i][j];
a[i][n+1]=(sum[i+1]-sum[i])/2;
}
}
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