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#include <iostream>
using namespace std;
int menu(int ans); // function declaration for menu
void draw_triangle(int size, char ch); //function declaration for triangle
void draw_downtri( int size, char ch); // function declaration for upside-down triangle
void draw_diamond(int size, char ch); //function declaration for diamond
void draw_side(int size, char ch); // function declaration for side ways triangle
int main()
{
int size =1,ans;
char ch;
menu(int ans); //function call
// starts switch
switch (ans)
{
case 1: // Triangle
cout<< "Please enter your desired size of the triangle \n";
cin >> size;
cout << "Please enter the type of character you'd like to use \n";
cin >> ch;
draw_triangle(size, ch); //function call
break;
case 2: // Upside down triangle
cout << "Please enter your desired size \n";
cin >> size;
cout << "Please enter the character \n";
cin >> ch;
draw_downtri(size, ch); //function call for upside down triangle
break;
case 3: // Diamond
cout << "Please enter your desired size \n";
cin >> size;
cout << "Please enter the character type you'd like to use \n";
cin >> ch;
cout << endl;
draw_diamond(size,ch); //function call for diamond
break;
case 4: // Side way triangle
cout << "Please enter your desired size \n";
cin >> size;
cout << "Please enter the character \n";
cin >> ch;
cout << endl;
draw_side(size,ch); //function call for side ways triangle
break;
}
return 0;
}
int menu(int ans)
{
bool incorrectinput = true;
cout << "Please select which drawing you would like to create (1-4) \n";
while(incorrectinput)
cout <<" 1. A regular triangle \n";
cout <<" 2. An upside down triangle \n";
cout <<" 3. A diamond \n";
cout <<" 4. A side-way triangle \n";
cin >> ans;
if(ans==1 || ans==2 || ans==3 || ans==4)
incorrectinput= true;
else
incorrectinput = false;
cout <<" Sorry, please input a correct input! \n";
return (ans);
}
void draw_triangle(int size, char ch)
{ int i,j;
for ( i =1 ; i <= (size) ; i++) //this displays the size.
{
for (j=0; j <(2*size -i); j++) //this displays the spaces.
{
cout << " ";
}
for (j=0; j < 2*i-1; j++) //this displays the character chosen by the user.
{
cout << ch;
}
} cout <<endl;
}
void draw_downtri( int size, char ch)
{ int i,j;
for ( i =size ; i >= 1 ; i--) //this displays the size.
{
for (j=0; j <(2*size -i); j++) //this displays the spaces.
{
cout << " ";
}
for (j=0; j < 2*i-1; j++) //this displays the character chosen by the user.
{
cout << ch;
}
cout <<endl;
}
}
void draw_diamond(int size, char ch)
{ int i,j;
for( i=0; i<size ; i++ ) //controls loop for rows
{
for (j=0; j < (2*size-i); j++)
{
cout << " ";
}
for (j=0; j < 2*i-1 ; j++) // controls loop for columns
{
cout<< ch;
}
cout <<endl;
}
for ( i =size ; i >= 1 ; i--) //this displays the size.
{
for (j=0; j <(2*size -i); j++) //this displays the spaces.
{
cout << " ";
}
for (j=0; j < 2*i-1; j++) //this displays the character chosen by the user.
{
cout << ch;
}
cout <<endl;
}
}
void draw_side(int size, char ch)
{ int i,j;
int columns=1;
for ( i =0 ; i < size ; i++) //controls loop for rows
{
for (j=0; j < columns ; j++) //this the columns
{
cout << ch;
}
cout <<endl;
columns++;
}
for ( i = size ; i >=0 ; i--)
{
for (j= 0; j < columns ; j++)
{
cout << ch;
}
cout <<endl;
columns--;
}
cout << columns;
}
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