In this tutorial, we will discuss Cpp program to Floyd’s triangle star pattern
We will learn how to create Floyd’s triangle star pattern in C++ language using nested for loop.
Pattern 1
Program 1
C++ program to display the right triangle star pattern
#include <iostream> #include <conio.h> using namespace std; int main() { int i,j,rows; cout << "Enter value to number of rows" << endl; cin>>rows;//get input from user for rows for(i=1; i<=rows; i++){ //for display rows for(j=1; j<=i; j++){ cout<<"*";//print star } cout<<"\n";//move to next line } getch(); return 0; }
When the above code is executed, it produces the following results:
Enter value to number of rows 9 * ** *** **** ***** ****** ******* ******** *********
Pattern 2
Program 2
C++ program to display the mirrored right triangle star pattern
#include <iostream> #include <conio.h> using namespace std; int main() { int i,j,rows; cout << "Enter value to number of rows" << endl; cin>>rows;//get input from user for rows for(i=1; i<=rows; i++){ //for display rows for(j=i; j<=rows; j++){ cout<<" ";//print star } for(j=1; j<=i; j++){ cout<<"*";//print star } cout<<"\n";//move to next line } getch(); return 0; }
When the above code is executed, it produces the following results:
Enter the value to number of rows 9 * ** *** **** ***** ****** ******* ******** *********
Pattern 3
Program 3
C++ program to display the reversed right triangle star pattern
#include <iostream> #include <conio.h> using namespace std; int main() { int i,j,rows; cout << "Enter the value for number of rows" << endl; cin>>rows;//get input from user for rows for(i=1; i<=rows; i++){ //for display rows for(j=i; j<=rows; j++){ cout<<"*";//print star } cout<<"\n";//move to next line } getch(); return 0; }
When the above code is executed, it produces the following results
Enter the value for number of rows 9 ********* ******** ******* ****** ***** **** *** ** *
Pattern 4
Program 4
C++ program to display the reversed mirrored right triangle star pattern
#include <iostream> #include <conio.h> using namespace std; int main() { int i,j,rows; cout << "Enter value for number of rows" << endl; cin>>rows;//get input from user for rows for(i=1; i<=rows; i++){ //for display rows for(j=1; j<=i; j++){ cout<<" ";//print star } for(j=i; j<=rows; j++){ cout<<"*";//print star } cout<<"\n";//move to next line } getch(); return 0; }
When the above code is executed, it produces the following results
Enter value for number of rows 9 ********* ******** ******* ****** ***** **** *** ** *
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