Ký ức thời gian

# include <stdio.h>
# include <conio.h>

void main()
{

int mang[100];
int n,m,i,j,k,dem,tam;
float tich;


clrscr();

//Nhap so phan tu that cua mang
printf("Nhap so phan tu that cua mang: ");scanf("%d",&n);

//Nhap gia tri cho tung phan tu cua mang
printf("Nhap gia tri cho tung phan tu cua mang:\n");
for (i=0;i<n;i++) {
	printf("Nhap phan tu [%d]: ",i);scanf("%d",&mang[i]);
		  }

//In mang ra man hinh
printf("\nMang vua nhap:\n");
for (i=0;i<n;i++) printf(" %d",mang[i]);

//Tinh tich cac phan tu cua mang, in ket qua
tich=1;
for (i=0;i<n;i++)
	tich=tich* mang[i];
printf("\nTich cac phan tu cua mang la: %.0f",tich)  ;

//In ra cac phan tu cua mang co gia tri chia het cho 5
for (i=0;i<n;i++)
	if (mang[i]%5==0) printf("\nPhan tu [%d] co gia tri chia het cho 5!",i);

//Nhap so nguyen k, tim xem co gia tri cua phan tu nao = k
printf("\nNhap 1 so nguyen k = ");scanf("%d",&k);
dem=0;
for (i=0;i<n;i++)
	if (mang[i]==k){
		printf("\nPhan tu [%d] co gia tri bang k!",i);
		dem++;}
if (dem==0) printf("\nKhong co gia tri cua phan tu nao bang k");

//Sap xep cac gia tri cua mang theo gia tri tang dan
for (i=n-1;i>0;i--)
for (j=0;j<i;j++)
	if (mang[j]>mang[j+1]) {
		tam=mang[j];
		mang[j]=mang[j+1];
		mang[j+1]=tam;
		}
printf("\nMang da sap xep tang dan: ");
for (i=0;i<n;i++) printf(" %d",mang[i]);			


//Nhap so nguyen k, xoa cac phan tu cua mang co gia tri bang k
printf("\nNhap 1 so nguyen k = ");scanf("%d",&k);
dem=0;
for (m=n-1-dem;m>0;m--)
for (i=0;i<m;i++)
	if (mang[i]==k){
		for (j=i;j<n-dem;j++) mang[j]=mang[j+1];
		dem++;}
printf("\nMang sau khi xoa: \n");
for (i=0;i<n-dem;i++) printf(" %d",mang[i]);

}