- To print full blank triangle pattern using *
User Input: 3
Output:
* * * * * * * *
#include <iostream>
using namespace std;
int main() {
int rows;
cout <<"Enter number of rows: ";
cin >> rows;
for(int i=rows; i>=1; i--) {
for(int j=1; j<=(2*rows-i); j++) {
if(j==i||j==(2*rows-i)||i==1)cout<<"* ";
else cout<<" ";
}
cout<<endl;
}
return 0;
}
Enter number of rows: 4 * * * * * * * * * * * *Program
Main Logic :
for(int i=rows; i>=1; i--) {
for(int j=1; j<=(2*rows-i); j++) {
if(j==i||j==(2*rows-i)||i==1)cout<<"* ";
else cout<<" ";
}
cout<<endl;
}
You can print any thing in this pattern, just replace your value with *
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