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Wednesday, October 26, 2011

Viết chương trình hiện ra trên màn hình:




           1
          232
         34543
        4567654
      567898765
     67890109876
    7890123210987
   890123454321098
  90123456765432109
0123456789876543210




#include"iostream"

using namespace std;



int main()

{

int a[19],k,n;

for(int k=1,n=1;n<=19;++k,n+=2)

{

for(int i =1;i<= (10-k);i++)

cout<<" ";



for( int i =0; i<k ;i++)

a[i]= a[n-i-1] =k+i;



for( int i =0;i<n;i++)

{

if( a[i]<10)cout << a[i];

else cout<< a[i]%10;

}

cout<<endl;

}



system("pause");

return 0;

}

 


Suu tam:


#include 

main ()

{

int i,l, n,k, m;

for (i=0; i<=9; i++)

{

for (n=9-i; n>0; n--)

cout << " ";

n=i+1;

for (m=0; m<=2*i; m++)

{

if(n>9) n=n-10;

if (n<0) n=n+10;

if (m<i) {cout <<n; n++;}

else { cout <<n; n--;}

}

cout << endl;

}

system("pause");

return 0;

}


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