1. Farsi e-learning series

2. Farsi e-learning series
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#include <iostream.h>
#include <conio.h>
int calc(int [],int dim);
void revmatrix( int [],int dim);
void main()
{
int matrix[1000];
int dim,temp;
double leftsum,rightsum;
cout<<" PLEASE ENTER MATRIX DIMANTION : ";
cin>>dim;
cout<<"nnn";
for( int i = 0;i<( dim*dim );i ++ )
{
cout<<"ENTER ELEMAN : ";
cin>>temp;
matrix[i] = temp;
clrscr();
cout<<" PLEASE ENTER MATRIX DIMANTION : "<<dim;
cout<<"nnn";
}//for i
if ( dim > 2 )
{
leftsum = calc( matrix , dim );
cout<<"LEFTSUM of the matrix = "<< leftsum <<"nn";
revmatrix( matrix , dim );
rightsum = calc( matrix ,dim );
cout<<"RIGHTSUM of the matrix = "<< rightsum <<"nnnnnn" ;
cout<<" ( DETERMINAN OF THE MATRIX = "<< leftsum - rightsum<<" )";
}
else
cout<<" ( DETERMINAN OF THE MATRIX = "<<(matrix[0] * matrix[3] - matrix[1]
* matrix[2])<<" )";
getch();
}//end main
/////////////////calc function//////////
int calc( int matrix[ ], int dim )
{
int sum = 0, bul, x = 1;
for( int l = 0; l<( dim*dim );l += ( dim+1 ) )//ghotr asli
x *= matrix[l];
sum = x;
x = 1;
for( int c = 1;c<dim;c ++ )
{
bul=c;
for( int m = 0;m<dim;m ++ )
{
if( ( bul+1 )%dim != 0 )
{
x *= matrix[bul];

3. Farsi e-learning series
bul +=( dim + 1 );
}
else
{
x = x * matrix[bul];
bul += 1;
}
}//for m
sum += x;
x = 1;
}//for c
return sum;
}
////////////////////revmatriv determinan
void revmatrix(int matrix[ ],int dim)
{
int end,temp,counter;
for( int t = dim-1;t <= dim*dim;t = t + dim )
{
end=t;
counter = end -( dim-1 );
while( end > counter )
{
temp = matrix[end];
matrix[end] = matrix[counter];
matrix[counter] = temp;
++ counter;
-- end;
}
}
}
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#include <iostream.h>
int main()
{
int i,j;
double a[512],b;
cout<<”How many content do you want to enter ?:”;
cin >>i;
cout<<”Enter “<<i<<” contents :”;
for(j=0;j<i;j++)
cin>> a[j];
cout<<”Enter a keyword to search in your array : “;
cin >> b;
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4. Farsi e-learning series
for(j=0;j<i;j++)
{
if (a[j]==b)
{
break;
}
}
if (j>=i)
cout << "not found" << endl;
else
cout <<”Hurray !! your searched content is in this row :
“<< j << endl;
return 0;
}
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5. Farsi e-learning series
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#include <iostream.h>
int main()
{
char a[64];
int i,c;
cout<<"Enter a strings:"<<endl;
cin>>a;
for(int i=0; a[i]!='0'; i++);
cout<<"Size of string : " <<i<<endl;
return 0;
}
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#include <iostream.h>
void size(char a[],char b[])
{
int i;
for(i=0; a[i]!='0'; i++);
cout<<"Size of string : " <<i<<endl;
}
int main()
{
char a[64];
int i,c;
cout<<"Enter a strings:"<<endl;
cin>>a;
size(a);
return 0;
}
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6. Farsi e-learning series
#include <iostream.h>
int main()
{
char a[64],b[64];
cout<<"Enter 2 strings:"<<endl;
cin>>a;
cin>>b;
int i=0;
do{
a[i]=b[i];
}while(b[i++]!='0');
a[i]='0';
return 0;
}
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7. Farsi e-learning series
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