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#include<stdio.h>
int main()
{
int n,m,i,j,arr[100][100], arr2[100][100],sum;
scanf("%d %d", &n,&m);
for(i=0;i<n;i++)
{
for(j=0;j<m;j++)
scanf("%d", &arr[i][j]);
}
for(i=0;i<n;i++)
{
for(j=0;j<m;j++)
scanf("%d", &arr2[i][j]);
}
for(i=0;i<n;i++)
{
for(j=0;j<m;j++)
{
sum =0;
for(int k = 0; k<m;k++)
{
sum += arr[i][k]*arr2[k][j];
}
printf("%d ", sum);
}
printf("\n");
}
}
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