In this tutorial, we will learn about the triangle Number pattern using nested while in Cpp language.
We can use nested while loop in C++ to write coding for Squares, rectangles, Floyed triangle, Pyramid triangles and many other shapes.
In this tutorial, we will learn about some of the Floyd’s triangle shapes and how to write coding for that in C++ programming language.
Program 1
#include <iostream> #include <conio.h> using namespace std; int main() { int rows; cout << "Floyd's triangle pattern" << endl; cout << "Enter the number of rows: "; cin>>rows; int i=1; while(i<=rows){//outer while loop int j=1; while(j<=i){//inner while loop cout<<j; j++; } cout<<"\n"; i++; } getch(); return 0; }
When the above code is compiled and executed, it produces the following results
Floyd's triangle pattern Enter the number of rows: 6 1 12 123 1234 12345 123456
Program 2
#include <iostream> #include <conio.h> using namespace std; int main() { int rows; cout << "Floyd's triangle pattern" << endl; cout << "Enter the number of rows" << endl; cin>>rows; int i=1; while(i<=rows){//outer while loop int j=1; while(j<=i){//inner while loop cout<<i; j++; } cout<<"\n"; i++; } getch(); return 0; }
When the above code is compiled and executed, it produces the following results
Floyd's triangle pattern Enter the number of rows: 6 1 22 333 4444 55555 666666
Program 3
#include <iostream> #include <conio.h> using namespace std; int main() { int rows; cout << "Floyd's triangle pattern" << endl; cout << "Enter the number of rows: "; cin>>rows; int row=1; int i=1; while(i<=rows){//outer while loop int j=1; while(j<=i){//inner while loop cout<<row<<" "; row++; j++; } cout<<"\n"; i++; } getch(); return 0; }
When the above code is compiled and executed, it produces the following results
Floyd's triangle pattern Enter the number of rows: 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
Program 4
#include <iostream> #include <conio.h> using namespace std; int main() { cout << "Floyd's triangle pattern" << endl; int i=1,j,k,row=8,num=0; while(i<=row){//outer while loop int k=1; while(k<=row-(row-i)){//inner while loop cout<<" "; k++; } num=row-i; j=1; while(j<=num){ cout<<row-(row-j); j++; } i++; cout<<"\n"; } getch(); return 0; }
When the above code is compiled and executed, it produces the following results
Floyd's triangle pattern 1234567 123456 12345 1234 123 12 1
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View Comments
how do you make a triangle number pattern that outputs
1
2 6
3 7 10
4 8 11 13
5 9 12 14 15
number of rows depends on input