Bom Tan Tuan` 1 ne````

by nucuoithienthan20077 Fri Aug 26, 2011 8:07 pm

Code:: #include<iostream.h> #include<conio.h> void nhap (int a[],int n) /*Nhap mang*/ { for(int i=0;i<n;i++) { cout<<"Nhap a["<<i<<"]: "; cin>>a[i]; } } void xuat (int a[], int n) /*Xuat mang ra man hinh*/ { for (int i=0;i<n;i++) cout<<" "<<a[i]; } void chen(int a[],int n) /*Chen x vao vi tri k trong mang */ { int x,k; cout<<"\nNhap x:"; cin>>x; cout<<"\nNhap k:"; cin>>k; for(int i=n;i>0;i--) { if(i>=k-1) a[i+1]=a[i]; if(i==k-1) a[i]=x; } cout<<"\n"; for(i=0;i<=n;i++) cout<<" "<<a[i]; } void xoa(int a[], int n) /*Xoa gia tri y trong mang */ { int dem=0; int b=0,y; cout<<"\nNhap so muon xoa:"; cin>>y; for(int i=0;i<=n;i++) if(a[i]==y) b++; if(b==0) cout<<"\nGia tri ban nhap ko co trong mang"; for( i=0;i<=n;i++) { if(a[i]==y) dem++; else a[i-dem]=a[i]; } n=n-dem; cout<<"\nMang sau khi xoa so la:"; for ( i=0;i<=n;i++) cout<<" "<<a[i]; } void tongsont(int a[], int n) / *Tinh tong cac so nguyen to*/ { int tong=0; int dem=0; for(int i=0;i<=n;i++) { for(int j=2;j<=a[i]/2;j++) if(a[i]%j==0) dem++; if(dem==0&& a[i]!=1) tong=tong+a[i]; dem=0; } cout<<"\nTong cac so nguyen to trong mang la:"<<tong; return; } void sapxep(int a[],int n) /*sap xep mang*/ { for(int i=0;i<=n;i++) for(int j=0;j<=n;j++) if (a[i]<a[j]) { int tam=a[i]; a[i]=a[j]; a[j]=tam; } cout<<"\nMang sau khi sap xep:"; for(i=0;i<=n;i++) cout<<" "<<a[i]; } void main() { clrscr(); int a[100],n; cout<<"\nNhap n:"; cin>>n; nhap(a,n); xuat(a,n); chen(a,n); xoa(a,n); tongsont(a,n); sapxep(a,n); getch(); }