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C++ Program to print Number TriangleLike alphabet triangle, we can write the C++ program to print the number triangle. The number triangle can be printed in different ways. Let's see the C++ example to print number triangle. #include <iostream> using namespace std; int main() { int i,j,k,l,n; cout<<"Enter the Range="; cin>>n; for(i=1;i<=n;i++) { for(j=1;j<=n-i;j++) { cout<<" "; } for(k=1;k<=i;k++) { cout<<k; } for(l=i-1;l>=1;l--) { cout<<l; } cout<<"\n"; } return 0; } Output: Enter the Range=5 1 121 12321 1234321 123454321 Enter the Range=6 1 121 2321 1234321 123454321 12345654321 |