Write a C++ program to print the right angled triangle of 1 and 0’s using for loop.
#include<iostream> using namespace std; int main() { int i, j, rows; cout << "Enter Right Triangle of 1 & 0 Pattern Row = "; cin >> rows; cout << "Right Triangle of 1 and 0 Numbers Pattern\n"; for(i = 1; i <= rows; i++) { for(j = 1; j <= i; j++) { if(j % 2 == 0) { cout << 0 << " "; } else { cout << 1 << " "; } } cout << "\n"; } return 0; }

This C++ example prints the right angled triangle with 1 and 0’s as alternative columns using a while loop.
#include<iostream> using namespace std; int main() { int i, j, rows; cout << "Enter Right Triangle of 1 & 0 Pattern Row = "; cin >> rows; cout << "Right Triangle of 1 and 0 Numbers Pattern\n"; i = 1; while( i <= rows) { j = 1; while( j <= i) { if(j % 2 == 0) { cout << 0 << " "; } else { cout << 1 << " "; } j++; } cout << "\n"; i++; } return 0; }
Enter Right Triangle of 1 & 0 Pattern Row = 15
Right Triangle of 1 and 0 Numbers Pattern
1
1 0
1 0 1
1 0 1 0
1 0 1 0 1
1 0 1 0 1 0
1 0 1 0 1 0 1
1 0 1 0 1 0 1 0
1 0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0 1 0
1 0 1 0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0 1 0 1 0
1 0 1 0 1 0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0 1 0 1 0 1 0
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1