void songuyento(int a[][100],int n,int m)
{
if (safe==1)
{
clrscr();
printf("Ma tran A:\n");
xuatmang2(a,n,m);
printf("\n");
int count,count2=0;
for(int i=0;i<n;i++)
for(int j=0;j<m;j++)
{
if(i==0||(j==0)||(j==m-1)||(i==n-1))
{
count=ktsnt(a[i][j]);
if (count==1)
{
printf("%4d",a[i][j]);
count2++;
}
}
}
if (count2!=0)
printf(" la %d so nguyen to tren bien cua mang.\n",count2);
else
printf("\n Bien cua mang khong co so nguyen to nao.\n");
}
else
printf("\nBan phai tao mang truoc khi chon chuc nang khac");
}
void main()
{
int i,n,dem=0,A[100];
printf("\n nhap n= ");
scanf("%d",&n);
nhap(A,n);
for(i=1;i<n;i++)
if(ktsnt(A[i])==1) dem++;
printf("\n so so nguyen to trong day la: %d",dem);
getch();
}
